darkcomet | 864ca9e668afd622aa7e36429fec7a85cdaafd1045e1a1ad85c43e4f8ce9f84c

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-12-2024 04:55

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General

Target

e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe
Size

504KB
MD5

e4c92e4190580442c367f8a3f7ba0cbf
SHA1

875f9d4228cbc657a275a8e1d38ea8e9f25b692c
SHA256

864ca9e668afd622aa7e36429fec7a85cdaafd1045e1a1ad85c43e4f8ce9f84c
SHA512

23f71d872fde0f01b0d8bc9ddbcb96a08f1c121eae0b6060fb756632143e145ece16b00cff6e544429b3455a34d71435251399ee8b54c83c23b72719ceddfdc8
SSDEEP

12288:NUIENsXWcNWxQA5II7X6Ag8vC5euujNBq0FaiCGMRBLMj:NU+XWcN6+I7X6AgFeuuBw0EZo

Score

10^/10

darkcomet fa discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

mahmodemos.no-ip.org:1604

Mutex

DC_MUTEX-6ZSL9GY

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
60BQkPtZSaCq
install
true
offline_keylogger
true
persistence
false
reg_key
MicroUpdate

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Darkcomet family
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\\Favorites\\MSDCSC\\msdcsc.exe"	e4c92e4190580442c367f8a3f7ba0cbf_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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
4808	msdcsc.exe
2704	msdcsc.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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Favorites\\MSDCSC\\msdcsc.exe"	e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2656 set thread context of 3760	2656	e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe	82
PID 4808 set thread context of 2704	4808	msdcsc.exe	91

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3760	e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe
Token: SeSecurityPrivilege	3760	e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	3760	e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	3760	e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	3760	e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe
Token: SeSystemtimePrivilege	3760	e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	3760	e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	3760	e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	3760	e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe
Token: SeBackupPrivilege	3760	e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe
Token: SeRestorePrivilege	3760	e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe
Token: SeShutdownPrivilege	3760	e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe
Token: SeDebugPrivilege	3760	e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	3760	e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	3760	e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	3760	e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe
Token: SeUndockPrivilege	3760	e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe
Token: SeManageVolumePrivilege	3760	e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe
Token: SeImpersonatePrivilege	3760	e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	3760	e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe
Token: 33	3760	e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe
Token: 34	3760	e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe
Token: 35	3760	e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe
Token: 36	3760	e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2704	msdcsc.exe
Token: SeSecurityPrivilege	2704	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2704	msdcsc.exe
Token: SeLoadDriverPrivilege	2704	msdcsc.exe
Token: SeSystemProfilePrivilege	2704	msdcsc.exe
Token: SeSystemtimePrivilege	2704	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2704	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2704	msdcsc.exe
Token: SeCreatePagefilePrivilege	2704	msdcsc.exe
Token: SeBackupPrivilege	2704	msdcsc.exe
Token: SeRestorePrivilege	2704	msdcsc.exe
Token: SeShutdownPrivilege	2704	msdcsc.exe
Token: SeDebugPrivilege	2704	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2704	msdcsc.exe
Token: SeChangeNotifyPrivilege	2704	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2704	msdcsc.exe
Token: SeUndockPrivilege	2704	msdcsc.exe
Token: SeManageVolumePrivilege	2704	msdcsc.exe
Token: SeImpersonatePrivilege	2704	msdcsc.exe
Token: SeCreateGlobalPrivilege	2704	msdcsc.exe
Token: 33	2704	msdcsc.exe
Token: 34	2704	msdcsc.exe
Token: 35	2704	msdcsc.exe
Token: 36	2704	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2704	msdcsc.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 2656 wrote to memory of 3760	2656	e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe	82
PID 2656 wrote to memory of 3760	2656	e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe	82
PID 2656 wrote to memory of 3760	2656	e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe	82
PID 2656 wrote to memory of 3760	2656	e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe	82
PID 2656 wrote to memory of 3760	2656	e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe	82
PID 2656 wrote to memory of 3760	2656	e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe	82
PID 2656 wrote to memory of 3760	2656	e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe	82
PID 2656 wrote to memory of 3760	2656	e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe	82
PID 2656 wrote to memory of 3760	2656	e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe	82
PID 2656 wrote to memory of 3760	2656	e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe	82
PID 2656 wrote to memory of 3760	2656	e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe	82
PID 2656 wrote to memory of 3760	2656	e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe	82
PID 2656 wrote to memory of 3760	2656	e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe	82
PID 2656 wrote to memory of 3760	2656	e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe	82
PID 3760 wrote to memory of 4808	3760	e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe	85
PID 3760 wrote to memory of 4808	3760	e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe	85
PID 3760 wrote to memory of 4808	3760	e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe	85
PID 4808 wrote to memory of 2704	4808	msdcsc.exe	91
PID 4808 wrote to memory of 2704	4808	msdcsc.exe	91
PID 4808 wrote to memory of 2704	4808	msdcsc.exe	91
PID 4808 wrote to memory of 2704	4808	msdcsc.exe	91
PID 4808 wrote to memory of 2704	4808	msdcsc.exe	91
PID 4808 wrote to memory of 2704	4808	msdcsc.exe	91
PID 4808 wrote to memory of 2704	4808	msdcsc.exe	91
PID 4808 wrote to memory of 2704	4808	msdcsc.exe	91
PID 4808 wrote to memory of 2704	4808	msdcsc.exe	91
PID 4808 wrote to memory of 2704	4808	msdcsc.exe	91
PID 4808 wrote to memory of 2704	4808	msdcsc.exe	91
PID 4808 wrote to memory of 2704	4808	msdcsc.exe	91
PID 4808 wrote to memory of 2704	4808	msdcsc.exe	91
PID 4808 wrote to memory of 2704	4808	msdcsc.exe	91

C:\Users\Admin\AppData\Local\Temp\e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2656
- C:\Users\Admin\AppData\Local\Temp\e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\e4c92e4190580442c367f8a3f7ba0cbf_JaffaCakes118.exe
  2⤵
  - Modifies WinLogon for persistence
  - Checks computer location settings
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3760
- - C:\Users\Admin\Favorites\MSDCSC\msdcsc.exe
    "C:\Users\Admin\Favorites\MSDCSC\msdcsc.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4808
  - - C:\Users\Admin\Favorites\MSDCSC\msdcsc.exe
      C:\Users\Admin\Favorites\MSDCSC\msdcsc.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:2704

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\Favorites\MSDCSC\msdcsc.exe

Filesize
504KB

MD5
e4c92e4190580442c367f8a3f7ba0cbf

SHA1
875f9d4228cbc657a275a8e1d38ea8e9f25b692c

SHA256
864ca9e668afd622aa7e36429fec7a85cdaafd1045e1a1ad85c43e4f8ce9f84c

SHA512
23f71d872fde0f01b0d8bc9ddbcb96a08f1c121eae0b6060fb756632143e145ece16b00cff6e544429b3455a34d71435251399ee8b54c83c23b72719ceddfdc8

Download Submit
memory/2656-14-0x0000000000400000-0x000000000050D000-memory.dmp

Filesize
1.1MB

Download
memory/2656-0-0x0000000000400000-0x000000000050D000-memory.dmp

Filesize
1.1MB

Download
memory/2704-53-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2704-60-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2704-57-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2704-56-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2704-55-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2704-59-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2704-54-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2704-49-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2704-52-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2704-58-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2704-51-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2704-42-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2704-45-0x00000000007E0000-0x00000000007E1000-memory.dmp

Filesize
4KB

Download
memory/2704-50-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2704-46-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2704-47-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2704-48-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/3760-6-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/3760-29-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/3760-1-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/3760-3-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/3760-2-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/3760-7-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/3760-9-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/3760-15-0x0000000002280000-0x0000000002281000-memory.dmp

Filesize
4KB

Download
memory/3760-13-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/3760-11-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/3760-8-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/4808-44-0x0000000000400000-0x000000000050D000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads