darkcomet | 082c5ed7f0134b9cc7c9f9d7d8420cf25a3b709a4ebf9797c9f8637d3f5cb767

Analysis

max time kernel
150s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-11-2024 19:55

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General

Target

96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe
Size

1.1MB
MD5

96e1b7e54ae0ce539cfe6cc55dd45642
SHA1

b15a8dcc868aabdf32ff462cadc921cba4afb477
SHA256

082c5ed7f0134b9cc7c9f9d7d8420cf25a3b709a4ebf9797c9f8637d3f5cb767
SHA512

cf3c461c7d8906bbc079e06c132fb08acbbba80c62ec9b35fa0a4caa5945f55906eb3cf5e20a8b5ffce1460533a058d7e8bd50988584c514ff30451d45aaf903
SSDEEP

24576:HCzsJS/A1jPhEeYChuUUmLoNOaj/ND9ngpyVeTW7U+oLOzcRoqV+CZEl+Q/8nV:Hwbn79U+k9RR7ElX/8V

Score

10^/10

darkcomet discovery persistence rat trojan

Malware Config

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\\Documents\\MSDCSC\\msdcsc.exe"	96e1b7e54ae0ce539cfe6cc55dd45642_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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe

Executes dropped EXE 3 IoCs

pid	Process
4116	msdcsc.exe
1916	msdcsc.exe
4324	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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2936 set thread context of 4128	2936	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe	85
PID 4128 set thread context of 4964	4128	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe	86
PID 4116 set thread context of 1916	4116	msdcsc.exe	90
PID 1916 set thread context of 4324	1916	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 6 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	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4964	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe
Token: SeSecurityPrivilege	4964	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	4964	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	4964	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	4964	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe
Token: SeSystemtimePrivilege	4964	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	4964	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	4964	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	4964	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe
Token: SeBackupPrivilege	4964	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe
Token: SeRestorePrivilege	4964	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe
Token: SeShutdownPrivilege	4964	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe
Token: SeDebugPrivilege	4964	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	4964	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	4964	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	4964	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe
Token: SeUndockPrivilege	4964	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe
Token: SeManageVolumePrivilege	4964	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe
Token: SeImpersonatePrivilege	4964	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	4964	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe
Token: 33	4964	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe
Token: 34	4964	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe
Token: 35	4964	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe
Token: 36	4964	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	4324	msdcsc.exe
Token: SeSecurityPrivilege	4324	msdcsc.exe
Token: SeTakeOwnershipPrivilege	4324	msdcsc.exe
Token: SeLoadDriverPrivilege	4324	msdcsc.exe
Token: SeSystemProfilePrivilege	4324	msdcsc.exe
Token: SeSystemtimePrivilege	4324	msdcsc.exe
Token: SeProfSingleProcessPrivilege	4324	msdcsc.exe
Token: SeIncBasePriorityPrivilege	4324	msdcsc.exe
Token: SeCreatePagefilePrivilege	4324	msdcsc.exe
Token: SeBackupPrivilege	4324	msdcsc.exe
Token: SeRestorePrivilege	4324	msdcsc.exe
Token: SeShutdownPrivilege	4324	msdcsc.exe
Token: SeDebugPrivilege	4324	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	4324	msdcsc.exe
Token: SeChangeNotifyPrivilege	4324	msdcsc.exe
Token: SeRemoteShutdownPrivilege	4324	msdcsc.exe
Token: SeUndockPrivilege	4324	msdcsc.exe
Token: SeManageVolumePrivilege	4324	msdcsc.exe
Token: SeImpersonatePrivilege	4324	msdcsc.exe
Token: SeCreateGlobalPrivilege	4324	msdcsc.exe
Token: 33	4324	msdcsc.exe
Token: 34	4324	msdcsc.exe
Token: 35	4324	msdcsc.exe
Token: 36	4324	msdcsc.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2936	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe
4128	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe
4116	msdcsc.exe
1916	msdcsc.exe
4324	msdcsc.exe

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 2936 wrote to memory of 4128	2936	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe	85
PID 2936 wrote to memory of 4128	2936	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe	85
PID 2936 wrote to memory of 4128	2936	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe	85
PID 2936 wrote to memory of 4128	2936	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe	85
PID 2936 wrote to memory of 4128	2936	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe	85
PID 2936 wrote to memory of 4128	2936	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe	85
PID 2936 wrote to memory of 4128	2936	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe	85
PID 2936 wrote to memory of 4128	2936	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe	85
PID 4128 wrote to memory of 4964	4128	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe	86
PID 4128 wrote to memory of 4964	4128	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe	86
PID 4128 wrote to memory of 4964	4128	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe	86
PID 4128 wrote to memory of 4964	4128	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe	86
PID 4128 wrote to memory of 4964	4128	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe	86
PID 4128 wrote to memory of 4964	4128	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe	86
PID 4128 wrote to memory of 4964	4128	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe	86
PID 4128 wrote to memory of 4964	4128	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe	86
PID 4128 wrote to memory of 4964	4128	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe	86
PID 4128 wrote to memory of 4964	4128	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe	86
PID 4128 wrote to memory of 4964	4128	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe	86
PID 4128 wrote to memory of 4964	4128	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe	86
PID 4128 wrote to memory of 4964	4128	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe	86
PID 4128 wrote to memory of 4964	4128	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe	86
PID 4964 wrote to memory of 4116	4964	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe	88
PID 4964 wrote to memory of 4116	4964	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe	88
PID 4964 wrote to memory of 4116	4964	96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe	88
PID 4116 wrote to memory of 1916	4116	msdcsc.exe	90
PID 4116 wrote to memory of 1916	4116	msdcsc.exe	90
PID 4116 wrote to memory of 1916	4116	msdcsc.exe	90
PID 4116 wrote to memory of 1916	4116	msdcsc.exe	90
PID 4116 wrote to memory of 1916	4116	msdcsc.exe	90
PID 4116 wrote to memory of 1916	4116	msdcsc.exe	90
PID 4116 wrote to memory of 1916	4116	msdcsc.exe	90
PID 4116 wrote to memory of 1916	4116	msdcsc.exe	90
PID 1916 wrote to memory of 4324	1916	msdcsc.exe	91
PID 1916 wrote to memory of 4324	1916	msdcsc.exe	91
PID 1916 wrote to memory of 4324	1916	msdcsc.exe	91
PID 1916 wrote to memory of 4324	1916	msdcsc.exe	91
PID 1916 wrote to memory of 4324	1916	msdcsc.exe	91
PID 1916 wrote to memory of 4324	1916	msdcsc.exe	91
PID 1916 wrote to memory of 4324	1916	msdcsc.exe	91
PID 1916 wrote to memory of 4324	1916	msdcsc.exe	91
PID 1916 wrote to memory of 4324	1916	msdcsc.exe	91
PID 1916 wrote to memory of 4324	1916	msdcsc.exe	91
PID 1916 wrote to memory of 4324	1916	msdcsc.exe	91
PID 1916 wrote to memory of 4324	1916	msdcsc.exe	91
PID 1916 wrote to memory of 4324	1916	msdcsc.exe	91
PID 1916 wrote to memory of 4324	1916	msdcsc.exe	91

C:\Users\Admin\AppData\Local\Temp\96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2936
- C:\Users\Admin\AppData\Local\Temp\96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4128
- - C:\Users\Admin\AppData\Local\Temp\96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe
    C:\Users\Admin\AppData\Local\Temp\96e1b7e54ae0ce539cfe6cc55dd45642_JaffaCakes118.exe
    3⤵
    - 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:4964
  - - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:4116
    - - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
        
        C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        System Location Discovery: System Language Discovery
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:1916
      - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
        
        C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
        6⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of SetWindowsHookEx
        
        PID:4324

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\Documents\MSDCSC\msdcsc.exe

Filesize
1.1MB

MD5
96e1b7e54ae0ce539cfe6cc55dd45642

SHA1
b15a8dcc868aabdf32ff462cadc921cba4afb477

SHA256
082c5ed7f0134b9cc7c9f9d7d8420cf25a3b709a4ebf9797c9f8637d3f5cb767

SHA512
cf3c461c7d8906bbc079e06c132fb08acbbba80c62ec9b35fa0a4caa5945f55906eb3cf5e20a8b5ffce1460533a058d7e8bd50988584c514ff30451d45aaf903

Download Submit
memory/1916-42-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1916-34-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4128-4-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4128-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4128-12-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4324-51-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4324-55-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4324-60-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4324-59-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4324-58-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4324-40-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4324-41-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4324-57-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4324-44-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4324-46-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4324-45-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4324-48-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4324-47-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4324-49-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4324-50-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4324-56-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4324-52-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4324-53-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4324-54-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4964-14-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4964-7-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4964-8-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4964-9-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4964-27-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4964-13-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads