darkcomet | 423f079d7403c94a7c18b49a523d8f0c7ab4e8954a8e62d7719cd52a79d56d01

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
18/07/2024, 13:35

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General

Target
579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe
Size 724KB
Sample240718-qv17hatfmf
SHA256 423f079d7403c94a7c18b49a523d8f0c7ab4e8954a8e62d7719cd52a79d56d01
MD5 579a0829ecad5669af6c1f17e6e55042
SHA1 4afdc30c5d8ea6c202e17f4f865a5f00a0db5ace
SHA512 88f45fdd90517c16233d50e329f56db500d64f36142c2c3d07be7a423f422a2658685ef3a15a43e98fa9e87fd0f83eddde93b305869f79ff1781d890f26750ea
SSDEEP 12288:J3e2g3TtQ9eimPYj+bDvz2Bgj75rY/Mw8N6J+dHna/0M57fRixScnU:w2uQ1j+XMgjtKMR6otvM57fYxScU
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

darkcomet persistence rat trojan

Malware Config

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\\AppData\\Roaming\\Adobe\\adobe32.exe"	579a0829ecad5669af6c1f17e6e55042_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-1-5-21-1750093773-264148664-1320403265-1000\Control Panel\International\Geo\Nation	579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
2932	adobe32.exe
1792	adobe32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\Adobe\\adobe32.exe"	579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2800 set thread context of 2888	2800	579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe	87
PID 2932 set thread context of 1792	2932	adobe32.exe	93

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	2888	579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe
Token: SeSecurityPrivilege	2888	579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2888	579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2888	579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2888	579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2888	579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2888	579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2888	579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2888	579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe
Token: SeBackupPrivilege	2888	579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe
Token: SeRestorePrivilege	2888	579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe
Token: SeShutdownPrivilege	2888	579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe
Token: SeDebugPrivilege	2888	579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2888	579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2888	579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2888	579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe
Token: SeUndockPrivilege	2888	579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2888	579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2888	579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2888	579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe
Token: 33	2888	579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe
Token: 34	2888	579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe
Token: 35	2888	579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe
Token: 36	2888	579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	1792	adobe32.exe
Token: SeSecurityPrivilege	1792	adobe32.exe
Token: SeTakeOwnershipPrivilege	1792	adobe32.exe
Token: SeLoadDriverPrivilege	1792	adobe32.exe
Token: SeSystemProfilePrivilege	1792	adobe32.exe
Token: SeSystemtimePrivilege	1792	adobe32.exe
Token: SeProfSingleProcessPrivilege	1792	adobe32.exe
Token: SeIncBasePriorityPrivilege	1792	adobe32.exe
Token: SeCreatePagefilePrivilege	1792	adobe32.exe
Token: SeBackupPrivilege	1792	adobe32.exe
Token: SeRestorePrivilege	1792	adobe32.exe
Token: SeShutdownPrivilege	1792	adobe32.exe
Token: SeDebugPrivilege	1792	adobe32.exe
Token: SeSystemEnvironmentPrivilege	1792	adobe32.exe
Token: SeChangeNotifyPrivilege	1792	adobe32.exe
Token: SeRemoteShutdownPrivilege	1792	adobe32.exe
Token: SeUndockPrivilege	1792	adobe32.exe
Token: SeManageVolumePrivilege	1792	adobe32.exe
Token: SeImpersonatePrivilege	1792	adobe32.exe
Token: SeCreateGlobalPrivilege	1792	adobe32.exe
Token: 33	1792	adobe32.exe
Token: 34	1792	adobe32.exe
Token: 35	1792	adobe32.exe
Token: 36	1792	adobe32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2800	579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe
2932	adobe32.exe
1792	adobe32.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 2800 wrote to memory of 2888	2800	579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe	87
PID 2800 wrote to memory of 2888	2800	579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe	87
PID 2800 wrote to memory of 2888	2800	579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe	87
PID 2800 wrote to memory of 2888	2800	579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe	87
PID 2800 wrote to memory of 2888	2800	579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe	87
PID 2800 wrote to memory of 2888	2800	579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe	87
PID 2800 wrote to memory of 2888	2800	579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe	87
PID 2800 wrote to memory of 2888	2800	579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe	87
PID 2800 wrote to memory of 2888	2800	579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe	87
PID 2800 wrote to memory of 2888	2800	579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe	87
PID 2800 wrote to memory of 2888	2800	579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe	87
PID 2800 wrote to memory of 2888	2800	579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe	87
PID 2800 wrote to memory of 2888	2800	579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe	87
PID 2800 wrote to memory of 2888	2800	579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe	87
PID 2888 wrote to memory of 2932	2888	579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe	90
PID 2888 wrote to memory of 2932	2888	579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe	90
PID 2888 wrote to memory of 2932	2888	579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe	90
PID 2932 wrote to memory of 1792	2932	adobe32.exe	93
PID 2932 wrote to memory of 1792	2932	adobe32.exe	93
PID 2932 wrote to memory of 1792	2932	adobe32.exe	93
PID 2932 wrote to memory of 1792	2932	adobe32.exe	93
PID 2932 wrote to memory of 1792	2932	adobe32.exe	93
PID 2932 wrote to memory of 1792	2932	adobe32.exe	93
PID 2932 wrote to memory of 1792	2932	adobe32.exe	93
PID 2932 wrote to memory of 1792	2932	adobe32.exe	93
PID 2932 wrote to memory of 1792	2932	adobe32.exe	93
PID 2932 wrote to memory of 1792	2932	adobe32.exe	93
PID 2932 wrote to memory of 1792	2932	adobe32.exe	93
PID 2932 wrote to memory of 1792	2932	adobe32.exe	93
PID 2932 wrote to memory of 1792	2932	adobe32.exe	93
PID 2932 wrote to memory of 1792	2932	adobe32.exe	93

C:\Users\Admin\AppData\Local\Temp\579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2800
- C:\Users\Admin\AppData\Local\Temp\579a0829ecad5669af6c1f17e6e55042_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\579a0829ecad5669af6c1f17e6e55042_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:2888
- - C:\Users\Admin\AppData\Roaming\Adobe\adobe32.exe
    "C:\Users\Admin\AppData\Roaming\Adobe\adobe32.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2932
  - - C:\Users\Admin\AppData\Roaming\Adobe\adobe32.exe
      "C:\Users\Admin\AppData\Roaming\Adobe\adobe32.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:1792

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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Downloads

adobe32.exe

Path C:\Users\Admin\AppData\Roaming\Adobe\adobe32.exe
Size 724KB
SHA256 423f079d7403c94a7c18b49a523d8f0c7ab4e8954a8e62d7719cd52a79d56d01
MD5 579a0829ecad5669af6c1f17e6e55042
SHA1 4afdc30c5d8ea6c202e17f4f865a5f00a0db5ace
SHA512 88f45fdd90517c16233d50e329f56db500d64f36142c2c3d07be7a423f422a2658685ef3a15a43e98fa9e87fd0f83eddde93b305869f79ff1781d890f26750ea
SSDEEP 12288:J3e2g3TtQ9eimPYj+bDvz2Bgj75rY/Mw8N6J+dHna/0M57fRixScnU:w2uQ1j+XMgjtKMR6otvM57fYxScU
MD5 SHA1 SHA512 SSDEEP

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memory/1792-34-0x0000000000400000-0x00000000004AF000-memory.dmp

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memory/1792-45-0x0000000000400000-0x00000000004AF000-memory.dmp

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memory/1792-47-0x0000000000400000-0x00000000004AF000-memory.dmp

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memory/1792-46-0x0000000000400000-0x00000000004AF000-memory.dmp

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memory/1792-44-0x0000000000400000-0x00000000004AF000-memory.dmp

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memory/1792-43-0x0000000000400000-0x00000000004AF000-memory.dmp

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memory/1792-27-0x0000000000400000-0x00000000004AF000-memory.dmp

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memory/1792-28-0x0000000000400000-0x00000000004AF000-memory.dmp

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memory/1792-29-0x0000000000400000-0x00000000004AF000-memory.dmp

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memory/1792-30-0x0000000000400000-0x00000000004AF000-memory.dmp

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memory/1792-32-0x0000000000400000-0x00000000004AF000-memory.dmp

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memory/1792-35-0x0000000000400000-0x00000000004AF000-memory.dmp

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memory/1792-42-0x0000000000400000-0x00000000004AF000-memory.dmp

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memory/1792-33-0x0000000000400000-0x00000000004AF000-memory.dmp

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memory/1792-31-0x0000000000400000-0x00000000004AF000-memory.dmp

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memory/1792-36-0x0000000000400000-0x00000000004AF000-memory.dmp

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memory/1792-37-0x0000000000400000-0x00000000004AF000-memory.dmp

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memory/1792-38-0x0000000000400000-0x00000000004AF000-memory.dmp

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memory/1792-39-0x0000000000400000-0x00000000004AF000-memory.dmp

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memory/1792-40-0x0000000000400000-0x00000000004AF000-memory.dmp

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memory/1792-41-0x0000000000400000-0x00000000004AF000-memory.dmp

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memory/2888-4-0x0000000000400000-0x00000000004AF000-memory.dmp

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memory/2888-20-0x0000000000400000-0x00000000004AF000-memory.dmp

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memory/2888-3-0x0000000000400000-0x00000000004AF000-memory.dmp

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memory/2888-2-0x0000000000400000-0x00000000004AF000-memory.dmp

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memory/2888-5-0x0000000000400000-0x00000000004AF000-memory.dmp

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memory/2888-6-0x0000000000400000-0x00000000004AF000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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