darkcomet | 214749e416f40d30ace6cb3d06fdb72b31a8c7655aa099ff3720971f60409d8d

Analysis

max time kernel
122s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-01-2025 20:04

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General

Target

JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe
Size

838KB
MD5

d1c2f768f8e176f28029cf684c34600c
SHA1

a3a1b9c94c21b18648f02af18a9781aae4f29dd9
SHA256

214749e416f40d30ace6cb3d06fdb72b31a8c7655aa099ff3720971f60409d8d
SHA512

46d4c41da9d5389831c53d1b5e614f5bac2ef7824b0b117d7b4c4d6ddd981bfb9579e1152c871e8b0f17416e5bb1701d0087cdedb74a1863d3d639b9b775bb26
SSDEEP

24576:ah/lKHX2g41tXPpozD/i9w9Z3//TVniDuEDP99:adQ4/9wnvLVniDuEDP9

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"	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe

Executes dropped EXE 1 IoCs

pid	Process
2728	msdcsc.exe

Loads dropped DLL 1 IoCs

pid	Process
2132	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2448 set thread context of 2132	2448	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe	32

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	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DllHost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	2448	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe
Token: SeIncreaseQuotaPrivilege	2132	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe
Token: SeSecurityPrivilege	2132	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe
Token: SeTakeOwnershipPrivilege	2132	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe
Token: SeLoadDriverPrivilege	2132	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe
Token: SeSystemProfilePrivilege	2132	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe
Token: SeSystemtimePrivilege	2132	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe
Token: SeProfSingleProcessPrivilege	2132	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe
Token: SeIncBasePriorityPrivilege	2132	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe
Token: SeCreatePagefilePrivilege	2132	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe
Token: SeBackupPrivilege	2132	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe
Token: SeRestorePrivilege	2132	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe
Token: SeShutdownPrivilege	2132	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe
Token: SeDebugPrivilege	2132	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe
Token: SeSystemEnvironmentPrivilege	2132	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe
Token: SeChangeNotifyPrivilege	2132	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe
Token: SeRemoteShutdownPrivilege	2132	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe
Token: SeUndockPrivilege	2132	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe
Token: SeManageVolumePrivilege	2132	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe
Token: SeImpersonatePrivilege	2132	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe
Token: SeCreateGlobalPrivilege	2132	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe
Token: 33	2132	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe
Token: 34	2132	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe
Token: 35	2132	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe
Token: SeDebugPrivilege	2728	msdcsc.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2780	DllHost.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2780	DllHost.exe
2780	DllHost.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2448 wrote to memory of 316	2448	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe	31
PID 2448 wrote to memory of 316	2448	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe	31
PID 2448 wrote to memory of 316	2448	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe	31
PID 2448 wrote to memory of 316	2448	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe	31
PID 2448 wrote to memory of 2132	2448	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe	32
PID 2448 wrote to memory of 2132	2448	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe	32
PID 2448 wrote to memory of 2132	2448	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe	32
PID 2448 wrote to memory of 2132	2448	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe	32
PID 2448 wrote to memory of 2132	2448	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe	32
PID 2448 wrote to memory of 2132	2448	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe	32
PID 2448 wrote to memory of 2132	2448	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe	32
PID 2448 wrote to memory of 2132	2448	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe	32
PID 2448 wrote to memory of 2132	2448	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe	32
PID 2448 wrote to memory of 2132	2448	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe	32
PID 2448 wrote to memory of 2132	2448	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe	32
PID 2448 wrote to memory of 2132	2448	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe	32
PID 2448 wrote to memory of 2132	2448	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe	32
PID 2132 wrote to memory of 2728	2132	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe	34
PID 2132 wrote to memory of 2728	2132	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe	34
PID 2132 wrote to memory of 2728	2132	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe	34
PID 2132 wrote to memory of 2728	2132	JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe	34
PID 2728 wrote to memory of 2572	2728	msdcsc.exe	35
PID 2728 wrote to memory of 2572	2728	msdcsc.exe	35
PID 2728 wrote to memory of 2572	2728	msdcsc.exe	35
PID 2728 wrote to memory of 2572	2728	msdcsc.exe	35
PID 2728 wrote to memory of 2600	2728	msdcsc.exe	36
PID 2728 wrote to memory of 2600	2728	msdcsc.exe	36
PID 2728 wrote to memory of 2600	2728	msdcsc.exe	36
PID 2728 wrote to memory of 2600	2728	msdcsc.exe	36

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2448
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe
  JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe
  2⤵
  PID:316
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe
  JaffaCakes118_d1c2f768f8e176f28029cf684c34600c.exe
  2⤵
  - Modifies WinLogon for persistence
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2132
- - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
    "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2728
  - - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      msdcsc.exe
      4⤵
      PID:2572
  - - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      msdcsc.exe
      4⤵
      PID:2600

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:2780

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

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\7678Y.JPG

Filesize
21KB

MD5
0034cb69d18b059f05d41c6a660d9d08

SHA1
fa6ac2154bdce744f6a44cc5b2f24b3ab0a4120f

SHA256
2d6fa5599400e4e719f214c8155fea4755ce3fbcb38856eebbcd2b5d42e9c0df

SHA512
3279976dd2a003b1dd672aac0db6d5890ca2ce29ac94fb2a4b61dd7afeec763d59f236aaca71a9f7bced0aed4c904488b32bf9e57b265f1d0c4e82ebc0c48b1c

Download Submit
\Users\Admin\Documents\MSDCSC\msdcsc.exe

Filesize
838KB

MD5
d1c2f768f8e176f28029cf684c34600c

SHA1
a3a1b9c94c21b18648f02af18a9781aae4f29dd9

SHA256
214749e416f40d30ace6cb3d06fdb72b31a8c7655aa099ff3720971f60409d8d

SHA512
46d4c41da9d5389831c53d1b5e614f5bac2ef7824b0b117d7b4c4d6ddd981bfb9579e1152c871e8b0f17416e5bb1701d0087cdedb74a1863d3d639b9b775bb26

Download Submit
memory/2132-13-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2132-9-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2132-21-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2132-22-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2132-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2132-17-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2132-15-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2132-23-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2132-39-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2132-11-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2132-30-0x0000000000500000-0x0000000000502000-memory.dmp

Filesize
8KB

Download
memory/2132-3-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2132-26-0x0000000000140000-0x0000000000141000-memory.dmp

Filesize
4KB

Download
memory/2132-25-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2132-7-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2132-5-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2448-24-0x0000000074560000-0x0000000074B0B000-memory.dmp

Filesize
5.7MB

Download
memory/2448-2-0x0000000074560000-0x0000000074B0B000-memory.dmp

Filesize
5.7MB

Download
memory/2448-1-0x0000000074560000-0x0000000074B0B000-memory.dmp

Filesize
5.7MB

Download
memory/2448-0-0x0000000074561000-0x0000000074562000-memory.dmp

Filesize
4KB

Download
memory/2780-31-0x00000000000B0000-0x00000000000B2000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads