darkcomet | aa1b3fb6f2d8659533d09550635a7217f3a9484ac0a470b01420c37707d3e1c4

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
14/07/2024, 16:03

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General

Target
468865151820248bf45dc313afd89dd7_JaffaCakes118.exe
Size 725KB
Sample240714-thbmvsxdlj
SHA256 aa1b3fb6f2d8659533d09550635a7217f3a9484ac0a470b01420c37707d3e1c4
MD5 468865151820248bf45dc313afd89dd7
SHA1 0984cc32985318aa56939159968c7fa1b39c3017
SHA512 54833c9c0ca01c833886ce58d182561dddc70f78d9ec0beb241183fcd0f0d529d24c857460ba327a5ca9495e206006dc3e43c06d2a94b2ea24eb6ad551316f0a
SSDEEP 12288:ysaAMMjwrItMbp+BBRN23r/qy3SQ34NFLA8tgw39nMemUWaeV:o8WWaQN23rCNQ82qj9Ml
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

darkcomet mohamed persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Mohamed

codemousa.no-ip.info:1604

Mutex

DC_MUTEX-KDXJBB2

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
SPcvpMuumhxp
install
true
offline_keylogger
true
persistence
true
reg_key
MicroUpdate

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	468865151820248bf45dc313afd89dd7_JaffaCakes118.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\Control Panel\International\Geo\Nation	468865151820248bf45dc313afd89dd7_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
1416	msdcsc.exe
2264	msdcsc.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3380-0-0x0000000000400000-0x0000000000711000-memory.dmp	upx
behavioral2/memory/3380-7-0x0000000000400000-0x0000000000711000-memory.dmp	upx
behavioral2/files/0x0008000000023411-13.dat	upx
behavioral2/memory/1416-31-0x0000000000400000-0x0000000000711000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	msdcsc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	468865151820248bf45dc313afd89dd7_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3380 set thread context of 4572	3380	468865151820248bf45dc313afd89dd7_JaffaCakes118.exe	86
PID 1416 set thread context of 2264	1416	msdcsc.exe	88

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4572	468865151820248bf45dc313afd89dd7_JaffaCakes118.exe
Token: SeSecurityPrivilege	4572	468865151820248bf45dc313afd89dd7_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	4572	468865151820248bf45dc313afd89dd7_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	4572	468865151820248bf45dc313afd89dd7_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	4572	468865151820248bf45dc313afd89dd7_JaffaCakes118.exe
Token: SeSystemtimePrivilege	4572	468865151820248bf45dc313afd89dd7_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	4572	468865151820248bf45dc313afd89dd7_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	4572	468865151820248bf45dc313afd89dd7_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	4572	468865151820248bf45dc313afd89dd7_JaffaCakes118.exe
Token: SeBackupPrivilege	4572	468865151820248bf45dc313afd89dd7_JaffaCakes118.exe
Token: SeRestorePrivilege	4572	468865151820248bf45dc313afd89dd7_JaffaCakes118.exe
Token: SeShutdownPrivilege	4572	468865151820248bf45dc313afd89dd7_JaffaCakes118.exe
Token: SeDebugPrivilege	4572	468865151820248bf45dc313afd89dd7_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	4572	468865151820248bf45dc313afd89dd7_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	4572	468865151820248bf45dc313afd89dd7_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	4572	468865151820248bf45dc313afd89dd7_JaffaCakes118.exe
Token: SeUndockPrivilege	4572	468865151820248bf45dc313afd89dd7_JaffaCakes118.exe
Token: SeManageVolumePrivilege	4572	468865151820248bf45dc313afd89dd7_JaffaCakes118.exe
Token: SeImpersonatePrivilege	4572	468865151820248bf45dc313afd89dd7_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	4572	468865151820248bf45dc313afd89dd7_JaffaCakes118.exe
Token: 33	4572	468865151820248bf45dc313afd89dd7_JaffaCakes118.exe
Token: 34	4572	468865151820248bf45dc313afd89dd7_JaffaCakes118.exe
Token: 35	4572	468865151820248bf45dc313afd89dd7_JaffaCakes118.exe
Token: 36	4572	468865151820248bf45dc313afd89dd7_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2264	msdcsc.exe
Token: SeSecurityPrivilege	2264	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2264	msdcsc.exe
Token: SeLoadDriverPrivilege	2264	msdcsc.exe
Token: SeSystemProfilePrivilege	2264	msdcsc.exe
Token: SeSystemtimePrivilege	2264	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2264	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2264	msdcsc.exe
Token: SeCreatePagefilePrivilege	2264	msdcsc.exe
Token: SeBackupPrivilege	2264	msdcsc.exe
Token: SeRestorePrivilege	2264	msdcsc.exe
Token: SeShutdownPrivilege	2264	msdcsc.exe
Token: SeDebugPrivilege	2264	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2264	msdcsc.exe
Token: SeChangeNotifyPrivilege	2264	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2264	msdcsc.exe
Token: SeUndockPrivilege	2264	msdcsc.exe
Token: SeManageVolumePrivilege	2264	msdcsc.exe
Token: SeImpersonatePrivilege	2264	msdcsc.exe
Token: SeCreateGlobalPrivilege	2264	msdcsc.exe
Token: 33	2264	msdcsc.exe
Token: 34	2264	msdcsc.exe
Token: 35	2264	msdcsc.exe
Token: 36	2264	msdcsc.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
3380	468865151820248bf45dc313afd89dd7_JaffaCakes118.exe
1416	msdcsc.exe
2264	msdcsc.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 3380 wrote to memory of 4572	3380	468865151820248bf45dc313afd89dd7_JaffaCakes118.exe	86
PID 3380 wrote to memory of 4572	3380	468865151820248bf45dc313afd89dd7_JaffaCakes118.exe	86
PID 3380 wrote to memory of 4572	3380	468865151820248bf45dc313afd89dd7_JaffaCakes118.exe	86
PID 3380 wrote to memory of 4572	3380	468865151820248bf45dc313afd89dd7_JaffaCakes118.exe	86
PID 3380 wrote to memory of 4572	3380	468865151820248bf45dc313afd89dd7_JaffaCakes118.exe	86
PID 3380 wrote to memory of 4572	3380	468865151820248bf45dc313afd89dd7_JaffaCakes118.exe	86
PID 3380 wrote to memory of 4572	3380	468865151820248bf45dc313afd89dd7_JaffaCakes118.exe	86
PID 3380 wrote to memory of 4572	3380	468865151820248bf45dc313afd89dd7_JaffaCakes118.exe	86
PID 3380 wrote to memory of 4572	3380	468865151820248bf45dc313afd89dd7_JaffaCakes118.exe	86
PID 3380 wrote to memory of 4572	3380	468865151820248bf45dc313afd89dd7_JaffaCakes118.exe	86
PID 3380 wrote to memory of 4572	3380	468865151820248bf45dc313afd89dd7_JaffaCakes118.exe	86
PID 3380 wrote to memory of 4572	3380	468865151820248bf45dc313afd89dd7_JaffaCakes118.exe	86
PID 3380 wrote to memory of 4572	3380	468865151820248bf45dc313afd89dd7_JaffaCakes118.exe	86
PID 3380 wrote to memory of 4572	3380	468865151820248bf45dc313afd89dd7_JaffaCakes118.exe	86
PID 4572 wrote to memory of 1416	4572	468865151820248bf45dc313afd89dd7_JaffaCakes118.exe	87
PID 4572 wrote to memory of 1416	4572	468865151820248bf45dc313afd89dd7_JaffaCakes118.exe	87
PID 4572 wrote to memory of 1416	4572	468865151820248bf45dc313afd89dd7_JaffaCakes118.exe	87
PID 1416 wrote to memory of 2264	1416	msdcsc.exe	88
PID 1416 wrote to memory of 2264	1416	msdcsc.exe	88
PID 1416 wrote to memory of 2264	1416	msdcsc.exe	88
PID 1416 wrote to memory of 2264	1416	msdcsc.exe	88
PID 1416 wrote to memory of 2264	1416	msdcsc.exe	88
PID 1416 wrote to memory of 2264	1416	msdcsc.exe	88
PID 1416 wrote to memory of 2264	1416	msdcsc.exe	88
PID 1416 wrote to memory of 2264	1416	msdcsc.exe	88
PID 1416 wrote to memory of 2264	1416	msdcsc.exe	88
PID 1416 wrote to memory of 2264	1416	msdcsc.exe	88
PID 1416 wrote to memory of 2264	1416	msdcsc.exe	88
PID 1416 wrote to memory of 2264	1416	msdcsc.exe	88
PID 1416 wrote to memory of 2264	1416	msdcsc.exe	88
PID 1416 wrote to memory of 2264	1416	msdcsc.exe	88

C:\Users\Admin\AppData\Local\Temp\468865151820248bf45dc313afd89dd7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\468865151820248bf45dc313afd89dd7_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3380
- C:\Users\Admin\AppData\Local\Temp\468865151820248bf45dc313afd89dd7_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\468865151820248bf45dc313afd89dd7_JaffaCakes118.exe
  2⤵
  - Modifies WinLogon for persistence
  - Checks computer location settings
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4572
- - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
    "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1416
  - - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:2264

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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msdcsc.exe

Path C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
Size 725KB
SHA256 aa1b3fb6f2d8659533d09550635a7217f3a9484ac0a470b01420c37707d3e1c4
MD5 468865151820248bf45dc313afd89dd7
SHA1 0984cc32985318aa56939159968c7fa1b39c3017
SHA512 54833c9c0ca01c833886ce58d182561dddc70f78d9ec0beb241183fcd0f0d529d24c857460ba327a5ca9495e206006dc3e43c06d2a94b2ea24eb6ad551316f0a
SSDEEP 12288:ysaAMMjwrItMbp+BBRN23r/qy3SQ34NFLA8tgw39nMemUWaeV:o8WWaQN23rCNQ82qj9Ml
MD5 SHA1 SHA512 SSDEEP

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memory/1416-31-0x0000000000400000-0x0000000000711000-memory.dmp

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memory/2264-42-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/2264-46-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/2264-50-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/2264-49-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/2264-37-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/2264-48-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/2264-29-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/2264-28-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/2264-47-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/2264-32-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/2264-35-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/2264-34-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/2264-36-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/2264-33-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/2264-45-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/2264-38-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/2264-39-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/2264-40-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/2264-41-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/2264-44-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/2264-43-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/3380-0-0x0000000000400000-0x0000000000711000-memory.dmp

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memory/3380-7-0x0000000000400000-0x0000000000711000-memory.dmp

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memory/4572-4-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/4572-3-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/4572-24-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/4572-8-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/4572-6-0x0000000000400000-0x00000000004B2000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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