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Process Discovery

Adversaries may attempt to get information about running processes on a system. Information obtained could be used to gain an understanding of common software/applications running on systems within the network. Adversaries may use the information from Process Discovery during automated discovery to shape follow-on behaviors, including whether or not the adversary fully infects the target and/or attempts specific actions.

In Windows environments, adversaries could obtain details on running processes using the Tasklist utility via cmd or Get-Process via PowerShell. Information about processes can also be extracted from the output of Native API calls such as CreateToolhelp32Snapshot. In Mac and Linux, this is accomplished with the ps command. Adversaries may also opt to enumerate processes via /proc.

ID: T1057
Sub-techniques:  No sub-techniques
ⓘ
Tactic: Discovery
ⓘ
Platforms: Linux, Windows, macOS
ⓘ
System Requirements: Administrator, SYSTEM may provide better process ownership details
ⓘ
Permissions Required: Administrator, SYSTEM, User
ⓘ
CAPEC ID: CAPEC-573
Version: 1.2
Created: 31 May 2017
Last Modified: 26 March 2020
Provided by LAYER 8

Procedure Examples

ID Name Description
S0065 4H RAT

4H RAT has the capability to obtain a listing of running processes (including loaded modules).[1]
S0045 ADVSTORESHELL

ADVSTORESHELL can list running processes.[2]
S0331 Agent Tesla

Agent Tesla can list the current running processes on the system.[3]
G0138 Andariel

Andariel has used tasklist to enumerate processes and find a specific string.[4]
S0622 AppleSeed

AppleSeed can enumerate the current process on a compromised host.[5]
G0006 APT1

APT1 gathered a list of running processes on the system using tasklist /v.[6]
G0007 APT28

An APT28 loader Trojan will enumerate the victim's processes searching for explorer.exe if its current process does not have necessary permissions.[7]
G0016 APT29

APT29 has used multiple command-line utilities to enumerate running processes.[8][9]
G0022 APT3

APT3 has a tool that can list out currently running processes.[10][11]
G0067 APT37

APT37's Freenki malware lists running processes using the Microsoft Windows API.[12]
G0082 APT38

APT38 leveraged Sysmon to understand the processes, services in the organization.[13]
S0456 Aria-body

Aria-body has the ability to enumerate loaded modules for a process.[14].
S0373 Astaroth

Astaroth searches for different processes on the system.[15]
S0640 Avaddon

Avaddon has collected information about running processes.[16]
S0473 Avenger

Avenger has the ability to use Tasklist to identify running processes.[17]
S0344 Azorult

Azorult can collect a list of running processes by calling CreateToolhelp32Snapshot.[18][19]
S0638 Babuk

Babuk has the ability to check running processes on a targeted system.[20][21][22]
S0414 BabyShark

BabyShark has executed the tasklist command.[23]

S0093 Backdoor.Oldrea

Backdoor.Oldrea collects information about running processes.[24]
S0031 BACKSPACE

BACKSPACE may collect information about running processes.[25]
S0606 Bad Rabbit

Bad Rabbit can enumerate all running processes to compare hashes.[26]
S0239 Bankshot

Bankshot identifies processes and collects the process ids.[27]
S0534 Bazar

Bazar can identity the current process on a compromised host.[28]
S0127 BBSRAT

BBSRAT can list running processes.[29]
S0017 BISCUIT

BISCUIT has a command to enumerate running processes and identify their owners.[30]
S0268 Bisonal

Bisonal can obtain a list of running processes on the victim’s machine.[31][32]
S0069 BLACKCOFFEE

BLACKCOFFEE has the capability to discover processes.[33]
S0089 BlackEnergy

BlackEnergy has gathered a process list by using Tasklist.exe.[34][35][36]
S0657 BLUELIGHT

BLUELIGHT can collect process filenames and SID authority level.[37]
S0486 Bonadan

Bonadan can use the ps command to discover other cryptocurrency miners active on the system.[38]
S0252 Brave Prince

Brave Prince lists the running processes.[39]
S0482 Bundlore

Bundlore has used the ps command to list processes.[40]
S0351 Cannon

Cannon can obtain a list of processes running on the system.[41][42]
S0030 Carbanak

Carbanak lists running processes.[43]
S0484 Carberp

Carberp has collected a list of running processes.[44]
S0335 Carbon

Carbon can list the processes on the victim’s machine.[45]
S0348 Cardinal RAT

Cardinal RAT contains watchdog functionality that ensures its process is always running, else spawns a new instance.[46]
S0572 Caterpillar WebShell

Caterpillar WebShell can gather a list of processes running on the machine.[47]

S0144 ChChes

ChChes collects its process identifier (PID) on the victim.[48]
G0114 Chimera

Chimera has used tasklist to enumerate processes.[49]
S0611 Clop

Clop can enumerate all processes on the victim's machine.[50]
S0154 Cobalt Strike

Cobalt Strike's Beacon payload can collect information on process details.[51][52][53]
S0244 Comnie

Comnie uses the tasklist to view running processes on the victim’s machine.[54]
S0575 Conti

Conti can enumerate through all open processes to search for any that have the string "sql" in their process name.[55]
S0115 Crimson

Crimson contains a command to list processes.[56][57]

S0625 Cuba

Cuba can enumerate processes running on a victim's machine.[58]
S0497 Dacls

Dacls can collect data on running and parent processes.[59]
S0334 DarkComet

DarkComet can list active processes running on the victim’s machine.[60]
G0012 Darkhotel

Darkhotel malware can collect a list of running processes on a system.[61]
G0009 Deep Panda

Deep Panda uses the Microsoft Tasklist utility to list processes running on systems.[62]
S0021 Derusbi

Derusbi collects current and parent process IDs.[63][64]
S0600 Doki

Doki has searched for the current process’s PID.[65]
S0472 down_new

down_new has the ability to list running processes on a compromised host.[17]
S0567 Dtrack

Dtrack’s dropper can list all running processes.[66][67]
S0038 Duqu

The discovery modules used with Duqu can collect information on process details.[68]
S0062 DustySky

DustySky collects information about running processes from victims.[69][70]
S0605 EKANS

EKANS looks for processes from a hard-coded list.[71][72][73]
S0081 Elise

Elise enumerates processes via the tasklist command.[74]
S0064 ELMER

ELMER is capable of performing process listings.[75]
S0367 Emotet

Emotet has been observed enumerating local processes.[76]
S0363 Empire

Empire can find information about processes running on local and remote systems.[77]
S0091 Epic

Epic uses the tasklist /v command to obtain a list of processes.[78][79]
S0396 EvilBunny

EvilBunny has used EnumProcesses() to identify how many process are running in the environment.[80]
S0512 FatDuke

FatDuke can list running processes on the localhost.[81]
S0267 FELIXROOT

FELIXROOT collects a list of running processes.[82]
S0355 Final1stspy

Final1stspy obtains a list of running processes.[83]
S0182 FinFisher

FinFisher checks its parent process for indications that it is running in a sandbox setup.[84][85]
S0503 FrameworkPOS

FrameworkPOS can enumerate and exclude selected processes on a compromised host to speed execution of memory scraping.[86]
G0101 Frankenstein

Frankenstein has enumerated hosts, looking to obtain a list of all currently running processes.[87]
S0277 FruitFly

FruitFly has the ability to list processes on the system.[88]
S0410 Fysbis

Fysbis can collect information about running processes.[89]

S0049 GeminiDuke

GeminiDuke collects information on running processes and environment variables from the victim.[90]
S0460 Get2

Get2 has the ability to identify running processes on an infected host.[91]
S0032 gh0st RAT

gh0st RAT has the capability to list processes.[92]
S0249 Gold Dragon

Gold Dragon checks the running processes on the victim’s machine.[39]
S0477 Goopy

Goopy has checked for the Google Updater process to ensure Goopy was loaded properly.[93]
S0531 Grandoreiro

Grandoreiro can identify installed security tools based on process names.[94]
S0237 GravityRAT

GravityRAT lists the running processes on the system.[95]
S0151 HALFBAKED

HALFBAKED can obtain information about running processes on the victim.[96]
S0617 HELLOKITTY

HELLOKITTY can search for specific processes to terminate.[97]
S0170 Helminth

Helminth has used Tasklist to get information on processes.[7]
G0126 Higaisa

Higaisa’s shellcode attempted to find the process ID of the current process.[98]
G0072 Honeybee

Honeybee gathers a list of processes using the tasklist command and then is sent back to the control server.[99]
S0431 HotCroissant

HotCroissant has the ability to list running processes on the infected host.[100]
S0203 Hydraq

Hydraq creates a backdoor through which remote attackers can monitor processes.[101][102]
S0278 iKitten

iKitten lists the current processes running.[88]
S0434 Imminent Monitor

Imminent Monitor has a "Process Watcher" feature to monitor processes in case the client ever crashes or gets closed.[103]
G0100 Inception

Inception has used a reconnaissance module to identify active processes and other associated loaded modules.[104]
S0260 InvisiMole

InvisiMole can obtain a list of running processes.[105][106]
S0581 IronNetInjector

IronNetInjector can identify processes via C# methods such as GetProcessesByName and running Tasklist with the Python os.popen function.[107]
S0015 Ixeshe

Ixeshe can list running processes.[108]
S0528 Javali

Javali can monitor processes for open browsers and custom banking applications.[109]
S0044 JHUHUGIT

JHUHUGIT obtains a list of running processes on the victim.[110][111]
S0201 JPIN

JPIN can list running processes.[112]
S0283 jRAT

jRAT can query and kill system processes.[113]
S0088 Kasidet

Kasidet has the ability to search for a given process name in processes currently running in the system.[114]
S0265 Kazuar

Kazuar obtains a list of running processes through WMI querying and the ps command.[115]
G0004 Ke3chang

Ke3chang performs process discovery using tasklist commands.[116][117]
S0271 KEYMARBLE

KEYMARBLE can obtain a list of running processes on the system.[118]
S0607 KillDisk

KillDisk has called GetCurrentProcess.[119]
S0599 Kinsing

Kinsing has used ps to list processes.[120]
S0162 Komplex

The OsInfo function in Komplex collects a running process list.[121]
S0356 KONNI

KONNI has used tasklist.exe to get a snapshot of the current processes’ state of the target machine.[122]
S0236 Kwampirs

Kwampirs collects a list of running services with the command tasklist /v.[123]
G0032 Lazarus Group

Several Lazarus Group malware families gather a list of running processes on a victim system and send it to their C2 server. A Destover-like variant used by Lazarus Group also gathers process times.[124][125][126][127][59]
S0211 Linfo

Linfo creates a backdoor through which remote attackers can retrieve a list of running processes.[128]
S0582 LookBack

LookBack can list running processes.[129]
S0451 LoudMiner

LoudMiner used the ps command to monitor the running processes on the system.[130]

S0532 Lucifer

Lucifer can identify the process that owns remote connections.[131]
S0409 Machete

Machete has a component to check for running processes to look for web browsers.[132]

G0059 Magic Hound

Magic Hound malware can list running processes.[133]
S0652 MarkiRAT

MarkiRAT can search for different processes on a system.[134]
S0449 Maze

Maze has gathered all of the running system processes.[135]

S0455 Metamorfo

Metamorfo has performed process name checks and has monitored applications.[136]

S0079 MobileOrder

MobileOrder has a command to upload information about all running processes to its C2 server.[137]
G0021 Molerats

Molerats actors obtained a list of active processes on the victim and sent them to C2 servers.[69]
S0149 MoonWind

MoonWind has a command to return a list of running processes.[138]
S0256 Mosquito

Mosquito runs tasklist to obtain running processes.[139]
G0069 MuddyWater

MuddyWater has used malware to obtain a list of running processes on the system.[140][141]
G0129 Mustang Panda

Mustang Panda has used tasklist /v to determine active process information.[142]

S0247 NavRAT

NavRAT uses tasklist /v to check running processes.[143]
S0630 Nebulae

Nebulae can enumerate processes on a target system.[144]
S0034 NETEAGLE

NETEAGLE can send process listings over the C2 channel.[25]
S0198 NETWIRE

NETWIRE can discover processes on compromised hosts.[145]
S0385 njRAT

njRAT can search a list of running processes for Tr.exe.[146]
S0644 ObliqueRAT

ObliqueRAT can check for blocklisted process names on a compromised host.[147]
S0346 OceanSalt

OceanSalt can collect the name and ID for every process running on the system.[148]
G0049 OilRig

OilRig has run tasklist on a victim's machine.[149]
G0116 Operation Wocao

Operation Wocao has collected a list of running processes on the infected system.[150]
S0229 Orz

Orz can gather a process list from the victim.[151]
S0626 P8RAT

P8RAT can check for specific processes associated with virtual environments.[152]
S0208 Pasam

Pasam creates a backdoor through which remote attackers can retrieve lists of running processes.[153]
S0517 Pillowmint

Pillowmint can iterate through running processes every six seconds collecting a list of processes to capture from later.[154]

S0501 PipeMon

PipeMon can iterate over the running processes to find a suitable injection target.[155]
S0254 PLAINTEE

PLAINTEE performs the tasklist command to list running processes.[156]
S0435 PLEAD

PLEAD has the ability to list processes on the compromised host.[157]
S0013 PlugX

PlugX has a module to list the processes running on a machine.[158]
S0428 PoetRAT

PoetRAT has the ability to list all running processes.[159]
S0216 POORAIM

POORAIM can enumerate processes.[160]
G0033 Poseidon Group

After compromising a victim, Poseidon Group lists all running processes.[161]
S0139 PowerDuke

PowerDuke has a command to list the victim's processes.[162]
S0441 PowerShower

PowerShower has the ability to deploy a reconnaissance module to retrieve a list of the active processes.[163]
S0194 PowerSploit

PowerSploit's Get-ProcessTokenPrivilege Privesc-PowerUp module can enumerate privileges for a given process.[164][165]
S0393 PowerStallion

PowerStallion has been used to monitor process lists.[166]
S0223 POWERSTATS

POWERSTATS has used get_tasklist to discover processes on the compromised host.[167]
S0184 POWRUNER

POWRUNER may collect process information by running tasklist on a victim.[168]
S0238 Proxysvc

Proxysvc lists processes running on the system.[127]
S0192 Pupy

Pupy can list the running processes and get the process ID and parent process’s ID.[169]
S0650 QakBot

QakBot has the ability to check running processes.[170]
S0629 RainyDay

RainyDay can enumerate processes on a target system.[144]
S0458 Ramsay

Ramsay can gather a list of running processes by using Tasklist.[171]
S0241 RATANKBA

RATANKBA lists the system’s processes.[172][173]
S0125 Remsec

Remsec can obtain a process list from the victim.[174]
S0448 Rising Sun

Rising Sun can enumerate all running processes and process information on an infected machine.[175]

G0106 Rocke

Rocke can detect a running process's PID on the infected machine.[176]

S0270 RogueRobin

RogueRobin checks the running processes for evidence it may be running in a sandbox environment. It specifically enumerates processes for Wireshark and Sysinternals.[177]
S0240 ROKRAT

ROKRAT lists the current running processes on the system.[178][179]
S0148 RTM

RTM can obtain information about process integrity levels.[180]
S0446 Ryuk

Ryuk has called CreateToolhelp32Snapshot to enumerate all running processes.[181]
S0345 Seasalt

Seasalt has a command to perform a process listing.[30]
S0596 ShadowPad

ShadowPad has collected the PID of a malicious process.[182]
S0445 ShimRatReporter

ShimRatReporter listed all running processes on the machine.[183]
S0063 SHOTPUT

SHOTPUT has a command to obtain a process listing.[184]
G0121 Sidewinder

Sidewinder has used tools to identify running processes on the victim's machine.[185]
S0468 Skidmap

Skidmap has monitored critical processes to ensure resiliency.[186]

S0533 SLOTHFULMEDIA

SLOTHFULMEDIA has enumerated processes by ID, name, or privileges.[187]

S0273 Socksbot

Socksbot can list all running processes.[188]
S0627 SodaMaster

SodaMaster can search a list of running processes.[152]
S0615 SombRAT

SombRAT can use the getprocesslist command to enumerate processes on a compromised host.[189][97][190]
S0516 SoreFang

SoreFang can enumerate processes on a victim machine through use of Tasklist.[191]
G0038 Stealth Falcon

Stealth Falcon malware gathers a list of running processes.[192]
S0142 StreamEx

StreamEx has the ability to enumerate processes.[193]
S0491 StrongPity

StrongPity can determine if a user is logged in by checking to see if explorer.exe is running.[194]
S0559 SUNBURST

SUNBURST collected a list of process names that were hashed using a FNV-1a + XOR algorithm to check against similarly-hashed hardcoded blocklists.[195]
S0562 SUNSPOT

SUNSPOT monitored running processes for instances of MsBuild.exe by hashing the name of each running process and comparing it to the corresponding value 0x53D525. It also extracted command-line arguments and individual arguments from the running MsBuild.exe process to identify the directory path of the Orion software Visual Studio solution.[196]
S0018 Sykipot

Sykipot may gather a list of running processes by running tasklist /v.[197]
S0242 SynAck

SynAck enumerates all running processes.[198][199]
S0464 SYSCON

SYSCON has the ability to use Tasklist to list running processes.[200]
S0011 Taidoor

Taidoor can use GetCurrentProcessId for process discovery.[201]
S0586 TAINTEDSCRIBE

TAINTEDSCRIBE can execute ProcessList for process discovery.[202]
S0467 TajMahal

TajMahal has the ability to identify running processes and associated plugins on an infected host.[203]
S0057 Tasklist

Tasklist can be used to discover processes running on a system.[204]
G0139 TeamTNT

TeamTNT searches for rival malware and removes them if found.[205]
S0595 ThiefQuest

ThiefQuest obtains a list of running processes using the function kill_unwanted.[206]
S0266 TrickBot

TrickBot uses module networkDll for process list discovery.[207][208]
S0094 Trojan.Karagany

Trojan.Karagany can use Tasklist to collect a list of running tasks.[24][209]
G0081 Tropic Trooper

Tropic Trooper is capable of enumerating the running processes on the system using pslist.[210][211]
S0436 TSCookie

TSCookie has the ability to list processes on the infected host.[212]
G0010 Turla

Turla surveys a system upon check-in to discover running processes using the tasklist /v command.[78] Turla RPC backdoors have also enumerated processes associated with specific open ports or named pipes.[166]
S0333 UBoatRAT

UBoatRAT can list running processes on the system.[213]
S0386 Ursnif

Ursnif has gathered information about running processes.[214][215]
S0452 USBferry

USBferry can use tasklist to gather information about the process running on the infected system.[211]

S0476 Valak

Valak has the ability to enumerate running processes on a compromised host.[216]
S0257 VERMIN

VERMIN can get a list of the processes and running tasks on the system.[217]
S0180 Volgmer

Volgmer can gather a list of processes.[218]
S0579 Waterbear

Waterbear can identify the process for a specific security product.[219]
G0112 Windshift

Windshift has used malware to enumerate active processes.[220]
S0219 WINERACK

WINERACK can enumerate processes.[160]
S0059 WinMM

WinMM sets a WH_CBT Windows hook to collect information on process creation.[221]
G0044 Winnti Group

Winnti Group looked for a specific process running on infected servers.[222]
S0161 XAgentOSX

XAgentOSX contains the getProcessList function to run ps aux to get running processes.[223]
S0248 yty

yty gets an output of running processes using the tasklist command.[224]
S0251 Zebrocy

Zebrocy uses the tasklist and wmic process get Capture, ExecutablePath commands to gather the processes running on the system.[41][225][42][226][227]
S0330 Zeus Panda

Zeus Panda checks for running processes on the victim’s machine.[228]
S0412 ZxShell

ZxShell has a command, ps, to obtain a listing of processes on the system.[229]

Mitigations

This type of attack technique cannot be easily mitigated with preventive controls since it is based on the abuse of system features.

Detection

ID Data Source Data Component
DS0017 Command Command Execution
DS0009 Process OS API Execution
Process Creation

System and network discovery techniques normally occur throughout an operation as an adversary learns the environment. Data and events should not be viewed in isolation, but as part of a chain of behavior that could lead to other activities, such as Lateral Movement, based on the information obtained.

Normal, benign system and network events that look like process discovery may be uncommon, depending on the environment and how they are used. Monitor processes and command-line arguments for actions that could be taken to gather system and network information. Remote access tools with built-in features may interact directly with the Windows API to gather information. Information may also be acquired through Windows system management tools such as Windows Management Instrumentation and PowerShell.

References

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