darkcomet | d8b86515c6bfd01b6182e0485080e87dd0e8e7c9fa14e8b77fd0d52a299d3a49

Analysis

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

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-12-2024 11:00

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe
Size

711KB
MD5

b82414e14db15173d1145fbb77e1aaad
SHA1

4cafd82aa1c3f43841f58adeb357e857b57d51b7
SHA256

d8b86515c6bfd01b6182e0485080e87dd0e8e7c9fa14e8b77fd0d52a299d3a49
SHA512

4baff641fd74129d3467b63a486029f0f1ceed7834318e47a018d4a97754da719016d09da74759b127be93eb2aad3d9c20c9b8fb78f366c17738bce747f52ccd
SSDEEP

12288:FkEl2g0uimpMomUfOm/k02fZGY0i/k/REbIpdlRI7CeePYdqaus5:hhLS7m/n2fj4CI5RIpqaB

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"	b82414e14db15173d1145fbb77e1aaad_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	b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
4064	msdcsc.exe
1820	msdcsc.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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	msdcsc.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4712 set thread context of 4544	4712	b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe	83
PID 4064 set thread context of 1820	4064	msdcsc.exe	85

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	b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 50 IoCs

description	pid	Process
Token: SeDebugPrivilege	4712	b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	4544	b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe
Token: SeSecurityPrivilege	4544	b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	4544	b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	4544	b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	4544	b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe
Token: SeSystemtimePrivilege	4544	b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	4544	b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	4544	b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	4544	b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe
Token: SeBackupPrivilege	4544	b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe
Token: SeRestorePrivilege	4544	b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe
Token: SeShutdownPrivilege	4544	b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe
Token: SeDebugPrivilege	4544	b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	4544	b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	4544	b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	4544	b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe
Token: SeUndockPrivilege	4544	b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe
Token: SeManageVolumePrivilege	4544	b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe
Token: SeImpersonatePrivilege	4544	b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	4544	b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe
Token: 33	4544	b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe
Token: 34	4544	b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe
Token: 35	4544	b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe
Token: 36	4544	b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe
Token: SeDebugPrivilege	4064	msdcsc.exe
Token: SeIncreaseQuotaPrivilege	1820	msdcsc.exe
Token: SeSecurityPrivilege	1820	msdcsc.exe
Token: SeTakeOwnershipPrivilege	1820	msdcsc.exe
Token: SeLoadDriverPrivilege	1820	msdcsc.exe
Token: SeSystemProfilePrivilege	1820	msdcsc.exe
Token: SeSystemtimePrivilege	1820	msdcsc.exe
Token: SeProfSingleProcessPrivilege	1820	msdcsc.exe
Token: SeIncBasePriorityPrivilege	1820	msdcsc.exe
Token: SeCreatePagefilePrivilege	1820	msdcsc.exe
Token: SeBackupPrivilege	1820	msdcsc.exe
Token: SeRestorePrivilege	1820	msdcsc.exe
Token: SeShutdownPrivilege	1820	msdcsc.exe
Token: SeDebugPrivilege	1820	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	1820	msdcsc.exe
Token: SeChangeNotifyPrivilege	1820	msdcsc.exe
Token: SeRemoteShutdownPrivilege	1820	msdcsc.exe
Token: SeUndockPrivilege	1820	msdcsc.exe
Token: SeManageVolumePrivilege	1820	msdcsc.exe
Token: SeImpersonatePrivilege	1820	msdcsc.exe
Token: SeCreateGlobalPrivilege	1820	msdcsc.exe
Token: 33	1820	msdcsc.exe
Token: 34	1820	msdcsc.exe
Token: 35	1820	msdcsc.exe
Token: 36	1820	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1820	msdcsc.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 4712 wrote to memory of 4544	4712	b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe	83
PID 4712 wrote to memory of 4544	4712	b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe	83
PID 4712 wrote to memory of 4544	4712	b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe	83
PID 4712 wrote to memory of 4544	4712	b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe	83
PID 4712 wrote to memory of 4544	4712	b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe	83
PID 4712 wrote to memory of 4544	4712	b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe	83
PID 4712 wrote to memory of 4544	4712	b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe	83
PID 4712 wrote to memory of 4544	4712	b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe	83
PID 4712 wrote to memory of 4544	4712	b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe	83
PID 4712 wrote to memory of 4544	4712	b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe	83
PID 4712 wrote to memory of 4544	4712	b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe	83
PID 4712 wrote to memory of 4544	4712	b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe	83
PID 4712 wrote to memory of 4544	4712	b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe	83
PID 4712 wrote to memory of 4544	4712	b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe	83
PID 4544 wrote to memory of 4064	4544	b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe	84
PID 4544 wrote to memory of 4064	4544	b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe	84
PID 4544 wrote to memory of 4064	4544	b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe	84
PID 4064 wrote to memory of 1820	4064	msdcsc.exe	85
PID 4064 wrote to memory of 1820	4064	msdcsc.exe	85
PID 4064 wrote to memory of 1820	4064	msdcsc.exe	85
PID 4064 wrote to memory of 1820	4064	msdcsc.exe	85
PID 4064 wrote to memory of 1820	4064	msdcsc.exe	85
PID 4064 wrote to memory of 1820	4064	msdcsc.exe	85
PID 4064 wrote to memory of 1820	4064	msdcsc.exe	85
PID 4064 wrote to memory of 1820	4064	msdcsc.exe	85
PID 4064 wrote to memory of 1820	4064	msdcsc.exe	85
PID 4064 wrote to memory of 1820	4064	msdcsc.exe	85
PID 4064 wrote to memory of 1820	4064	msdcsc.exe	85
PID 4064 wrote to memory of 1820	4064	msdcsc.exe	85
PID 4064 wrote to memory of 1820	4064	msdcsc.exe	85
PID 4064 wrote to memory of 1820	4064	msdcsc.exe	85

C:\Users\Admin\AppData\Local\Temp\b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4712
- C:\Users\Admin\AppData\Local\Temp\b82414e14db15173d1145fbb77e1aaad_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\b82414e14db15173d1145fbb77e1aaad_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:4544
- - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
    "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4064
  - - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      C:\Users\Admin\Documents\MSDCSC\msdcsc.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:1820

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
711KB

MD5
b82414e14db15173d1145fbb77e1aaad

SHA1
4cafd82aa1c3f43841f58adeb357e857b57d51b7

SHA256
d8b86515c6bfd01b6182e0485080e87dd0e8e7c9fa14e8b77fd0d52a299d3a49

SHA512
4baff641fd74129d3467b63a486029f0f1ceed7834318e47a018d4a97754da719016d09da74759b127be93eb2aad3d9c20c9b8fb78f366c17738bce747f52ccd

Download Submit
memory/1820-40-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/1820-36-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/1820-38-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/1820-39-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/1820-37-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/1820-34-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/4064-25-0x0000000074302000-0x0000000074303000-memory.dmp

Filesize
4KB

Download
memory/4064-26-0x0000000074300000-0x00000000748B1000-memory.dmp

Filesize
5.7MB

Download
memory/4064-27-0x0000000074300000-0x00000000748B1000-memory.dmp

Filesize
5.7MB

Download
memory/4064-35-0x0000000074300000-0x00000000748B1000-memory.dmp

Filesize
5.7MB

Download
memory/4544-22-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/4544-10-0x0000000002260000-0x0000000002261000-memory.dmp

Filesize
4KB

Download
memory/4544-8-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/4544-6-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/4544-4-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/4712-9-0x0000000075350000-0x0000000075901000-memory.dmp

Filesize
5.7MB

Download
memory/4712-0-0x0000000075352000-0x0000000075353000-memory.dmp

Filesize
4KB

Download
memory/4712-2-0x0000000075350000-0x0000000075901000-memory.dmp

Filesize
5.7MB

Download
memory/4712-1-0x0000000075350000-0x0000000075901000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads