darkcomet | 80dd309638e1ab53050b7d313ef34e0591095c0f873366c8343f07e481aa51ed

Analysis

max time kernel
150s
max time network
18s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
02-01-2025 17:17

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General

Target

JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Size

1.0MB
MD5

66c8b6e79111811bb5d1a6347ea5a2c7
SHA1

f776ce50d7276e7d853237be8c461630642d2492
SHA256

80dd309638e1ab53050b7d313ef34e0591095c0f873366c8343f07e481aa51ed
SHA512

55c94d0c826b2e0144a6372ad9da0416602bc1477f2532683f3d2aee8133783393f30d146e26e8be44a813ea4a0544e59bf4d792096d953aa7a550bce74400f6
SSDEEP

24576:qMwVWG/If9sOc3/gqNx5FGGwAKSFZzr5APUTF/gOF:q5W5u5FpTKIB5A8R

Score

10^/10

darkcomet skynet discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Skynet

spicial-k.no-ip.biz:1604

Mutex

DC_MUTEX-Q8PJ2G1

Attributes

InstallPath
MSDCSC\Skynet123.exe
gencode
YWGkPfoaNlzg
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
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\\Skynet123.exe"	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe

Executes dropped EXE 2 IoCs

pid	Process
2676	Skynet123.exe
2768	Skynet123.exe

Loads dropped DLL 2 IoCs

pid	Process
2072	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
2072	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\Skynet123.exe"	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\Skynet123.exe"	Skynet123.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2608 set thread context of 2072	2608	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe	29
PID 2676 set thread context of 2768	2676	Skynet123.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 5 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_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DllHost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Skynet123.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Skynet123.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2072	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Token: SeSecurityPrivilege	2072	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Token: SeTakeOwnershipPrivilege	2072	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Token: SeLoadDriverPrivilege	2072	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Token: SeSystemProfilePrivilege	2072	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Token: SeSystemtimePrivilege	2072	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Token: SeProfSingleProcessPrivilege	2072	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Token: SeIncBasePriorityPrivilege	2072	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Token: SeCreatePagefilePrivilege	2072	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Token: SeBackupPrivilege	2072	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Token: SeRestorePrivilege	2072	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Token: SeShutdownPrivilege	2072	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Token: SeDebugPrivilege	2072	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Token: SeSystemEnvironmentPrivilege	2072	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Token: SeChangeNotifyPrivilege	2072	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Token: SeRemoteShutdownPrivilege	2072	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Token: SeUndockPrivilege	2072	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Token: SeManageVolumePrivilege	2072	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Token: SeImpersonatePrivilege	2072	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Token: SeCreateGlobalPrivilege	2072	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Token: 33	2072	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Token: 34	2072	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Token: 35	2072	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
Token: SeIncreaseQuotaPrivilege	2768	Skynet123.exe
Token: SeSecurityPrivilege	2768	Skynet123.exe
Token: SeTakeOwnershipPrivilege	2768	Skynet123.exe
Token: SeLoadDriverPrivilege	2768	Skynet123.exe
Token: SeSystemProfilePrivilege	2768	Skynet123.exe
Token: SeSystemtimePrivilege	2768	Skynet123.exe
Token: SeProfSingleProcessPrivilege	2768	Skynet123.exe
Token: SeIncBasePriorityPrivilege	2768	Skynet123.exe
Token: SeCreatePagefilePrivilege	2768	Skynet123.exe
Token: SeBackupPrivilege	2768	Skynet123.exe
Token: SeRestorePrivilege	2768	Skynet123.exe
Token: SeShutdownPrivilege	2768	Skynet123.exe
Token: SeDebugPrivilege	2768	Skynet123.exe
Token: SeSystemEnvironmentPrivilege	2768	Skynet123.exe
Token: SeChangeNotifyPrivilege	2768	Skynet123.exe
Token: SeRemoteShutdownPrivilege	2768	Skynet123.exe
Token: SeUndockPrivilege	2768	Skynet123.exe
Token: SeManageVolumePrivilege	2768	Skynet123.exe
Token: SeImpersonatePrivilege	2768	Skynet123.exe
Token: SeCreateGlobalPrivilege	2768	Skynet123.exe
Token: 33	2768	Skynet123.exe
Token: 34	2768	Skynet123.exe
Token: 35	2768	Skynet123.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2872	DllHost.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2768	Skynet123.exe
2872	DllHost.exe
2872	DllHost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2608 wrote to memory of 2072	2608	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe	29
PID 2608 wrote to memory of 2072	2608	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe	29
PID 2608 wrote to memory of 2072	2608	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe	29
PID 2608 wrote to memory of 2072	2608	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe	29
PID 2608 wrote to memory of 2072	2608	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe	29
PID 2608 wrote to memory of 2072	2608	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe	29
PID 2608 wrote to memory of 2072	2608	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe	29
PID 2608 wrote to memory of 2072	2608	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe	29
PID 2608 wrote to memory of 2072	2608	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe	29
PID 2608 wrote to memory of 2072	2608	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe	29
PID 2608 wrote to memory of 2072	2608	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe	29
PID 2608 wrote to memory of 2072	2608	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe	29
PID 2608 wrote to memory of 2072	2608	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe	29
PID 2072 wrote to memory of 2676	2072	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe	31
PID 2072 wrote to memory of 2676	2072	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe	31
PID 2072 wrote to memory of 2676	2072	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe	31
PID 2072 wrote to memory of 2676	2072	JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe	31
PID 2676 wrote to memory of 2768	2676	Skynet123.exe	32
PID 2676 wrote to memory of 2768	2676	Skynet123.exe	32
PID 2676 wrote to memory of 2768	2676	Skynet123.exe	32
PID 2676 wrote to memory of 2768	2676	Skynet123.exe	32
PID 2676 wrote to memory of 2768	2676	Skynet123.exe	32
PID 2676 wrote to memory of 2768	2676	Skynet123.exe	32
PID 2676 wrote to memory of 2768	2676	Skynet123.exe	32
PID 2676 wrote to memory of 2768	2676	Skynet123.exe	32
PID 2676 wrote to memory of 2768	2676	Skynet123.exe	32
PID 2676 wrote to memory of 2768	2676	Skynet123.exe	32
PID 2676 wrote to memory of 2768	2676	Skynet123.exe	32
PID 2676 wrote to memory of 2768	2676	Skynet123.exe	32
PID 2676 wrote to memory of 2768	2676	Skynet123.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2608
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_66c8b6e79111811bb5d1a6347ea5a2c7.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:2072
- - C:\Users\Admin\Documents\MSDCSC\Skynet123.exe
    "C:\Users\Admin\Documents\MSDCSC\Skynet123.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2676
  - - C:\Users\Admin\Documents\MSDCSC\Skynet123.exe
      C:\Users\Admin\Documents\MSDCSC\Skynet123.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:2768

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:2872

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\PIC.JPG

Filesize
11KB

MD5
2d78d1c2cd3ed35ade6ae672d327abba

SHA1
33f8c6af31815cbe08e2e6ca997be940f20b55df

SHA256
f2a1eb0d1ee4d6331afb191b0228dc0fa845d60c19114b9a47c69cad4dd911d1

SHA512
de12e4f260ad68ddeeb872284e432ad12b71dbe106e1f834614b15fdae4c4aa964d1978df41cca8799bbb2daef48b2f047b187521f843ee90097417e35849fc1

Download Submit
\Users\Admin\Documents\MSDCSC\Skynet123.exe

Filesize
1.0MB

MD5
66c8b6e79111811bb5d1a6347ea5a2c7

SHA1
f776ce50d7276e7d853237be8c461630642d2492

SHA256
80dd309638e1ab53050b7d313ef34e0591095c0f873366c8343f07e481aa51ed

SHA512
55c94d0c826b2e0144a6372ad9da0416602bc1477f2532683f3d2aee8133783393f30d146e26e8be44a813ea4a0544e59bf4d792096d953aa7a550bce74400f6

Download Submit
memory/2072-16-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2072-21-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2072-12-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2072-64-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2072-20-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2072-24-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2072-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2072-22-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2072-14-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2072-11-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2072-8-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2072-6-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2072-4-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2072-2-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2072-28-0x00000000035C0000-0x00000000035C2000-memory.dmp

Filesize
8KB

Download
memory/2072-23-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2608-0-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2608-1-0x00000000001D0000-0x00000000001D4000-memory.dmp

Filesize
16KB

Download
memory/2768-59-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2768-69-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2768-61-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2768-71-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2768-66-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2768-67-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2768-68-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2768-60-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2768-79-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2768-70-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2768-72-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2768-73-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2768-74-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2768-75-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2768-76-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2768-77-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2768-78-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2872-29-0x0000000000220000-0x0000000000222000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads