darkcomet | 5d62a1ae398aeb0c19c5b66ff73cf0b6b38ffd804bef9e34026cd2dfb8353beb

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-01-2025 09:28

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General

Target

JaffaCakes118_78ed27b6643f73e861b135aebfbcabf1.exe
Size

658KB
MD5

78ed27b6643f73e861b135aebfbcabf1
SHA1

e68c4485b01798cc8c9df5072be47c48314706a1
SHA256

5d62a1ae398aeb0c19c5b66ff73cf0b6b38ffd804bef9e34026cd2dfb8353beb
SHA512

6bd2654e92f7a8b11cbd506bb9893982bc2614052153c1c8eb933e251ff1f51c8fb3b0b2ba1df1b24d7b28749ad46c8447bb8a462ceba513060c1c295eccf56c
SSDEEP

12288:y9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hB:eZ1xuVVjfFoynPaVBUR8f+kN10EBr

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

userzilg0d.zapto.org:1604

Mutex

DC_MUTEX-G6PT2F5

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
9KvVSYnTqgqJ
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\\msdcsc.exe"	JaffaCakes118_78ed27b6643f73e861b135aebfbcabf1.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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	JaffaCakes118_78ed27b6643f73e861b135aebfbcabf1.exe

Executes dropped EXE 1 IoCs

pid	Process
4628	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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	JaffaCakes118_78ed27b6643f73e861b135aebfbcabf1.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	msdcsc.exe

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 2 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_78ed27b6643f73e861b135aebfbcabf1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1396	JaffaCakes118_78ed27b6643f73e861b135aebfbcabf1.exe
Token: SeSecurityPrivilege	1396	JaffaCakes118_78ed27b6643f73e861b135aebfbcabf1.exe
Token: SeTakeOwnershipPrivilege	1396	JaffaCakes118_78ed27b6643f73e861b135aebfbcabf1.exe
Token: SeLoadDriverPrivilege	1396	JaffaCakes118_78ed27b6643f73e861b135aebfbcabf1.exe
Token: SeSystemProfilePrivilege	1396	JaffaCakes118_78ed27b6643f73e861b135aebfbcabf1.exe
Token: SeSystemtimePrivilege	1396	JaffaCakes118_78ed27b6643f73e861b135aebfbcabf1.exe
Token: SeProfSingleProcessPrivilege	1396	JaffaCakes118_78ed27b6643f73e861b135aebfbcabf1.exe
Token: SeIncBasePriorityPrivilege	1396	JaffaCakes118_78ed27b6643f73e861b135aebfbcabf1.exe
Token: SeCreatePagefilePrivilege	1396	JaffaCakes118_78ed27b6643f73e861b135aebfbcabf1.exe
Token: SeBackupPrivilege	1396	JaffaCakes118_78ed27b6643f73e861b135aebfbcabf1.exe
Token: SeRestorePrivilege	1396	JaffaCakes118_78ed27b6643f73e861b135aebfbcabf1.exe
Token: SeShutdownPrivilege	1396	JaffaCakes118_78ed27b6643f73e861b135aebfbcabf1.exe
Token: SeDebugPrivilege	1396	JaffaCakes118_78ed27b6643f73e861b135aebfbcabf1.exe
Token: SeSystemEnvironmentPrivilege	1396	JaffaCakes118_78ed27b6643f73e861b135aebfbcabf1.exe
Token: SeChangeNotifyPrivilege	1396	JaffaCakes118_78ed27b6643f73e861b135aebfbcabf1.exe
Token: SeRemoteShutdownPrivilege	1396	JaffaCakes118_78ed27b6643f73e861b135aebfbcabf1.exe
Token: SeUndockPrivilege	1396	JaffaCakes118_78ed27b6643f73e861b135aebfbcabf1.exe
Token: SeManageVolumePrivilege	1396	JaffaCakes118_78ed27b6643f73e861b135aebfbcabf1.exe
Token: SeImpersonatePrivilege	1396	JaffaCakes118_78ed27b6643f73e861b135aebfbcabf1.exe
Token: SeCreateGlobalPrivilege	1396	JaffaCakes118_78ed27b6643f73e861b135aebfbcabf1.exe
Token: 33	1396	JaffaCakes118_78ed27b6643f73e861b135aebfbcabf1.exe
Token: 34	1396	JaffaCakes118_78ed27b6643f73e861b135aebfbcabf1.exe
Token: 35	1396	JaffaCakes118_78ed27b6643f73e861b135aebfbcabf1.exe
Token: 36	1396	JaffaCakes118_78ed27b6643f73e861b135aebfbcabf1.exe
Token: SeIncreaseQuotaPrivilege	4628	msdcsc.exe
Token: SeSecurityPrivilege	4628	msdcsc.exe
Token: SeTakeOwnershipPrivilege	4628	msdcsc.exe
Token: SeLoadDriverPrivilege	4628	msdcsc.exe
Token: SeSystemProfilePrivilege	4628	msdcsc.exe
Token: SeSystemtimePrivilege	4628	msdcsc.exe
Token: SeProfSingleProcessPrivilege	4628	msdcsc.exe
Token: SeIncBasePriorityPrivilege	4628	msdcsc.exe
Token: SeCreatePagefilePrivilege	4628	msdcsc.exe
Token: SeBackupPrivilege	4628	msdcsc.exe
Token: SeRestorePrivilege	4628	msdcsc.exe
Token: SeShutdownPrivilege	4628	msdcsc.exe
Token: SeDebugPrivilege	4628	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	4628	msdcsc.exe
Token: SeChangeNotifyPrivilege	4628	msdcsc.exe
Token: SeRemoteShutdownPrivilege	4628	msdcsc.exe
Token: SeUndockPrivilege	4628	msdcsc.exe
Token: SeManageVolumePrivilege	4628	msdcsc.exe
Token: SeImpersonatePrivilege	4628	msdcsc.exe
Token: SeCreateGlobalPrivilege	4628	msdcsc.exe
Token: 33	4628	msdcsc.exe
Token: 34	4628	msdcsc.exe
Token: 35	4628	msdcsc.exe
Token: 36	4628	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4628	msdcsc.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1396 wrote to memory of 4628	1396	JaffaCakes118_78ed27b6643f73e861b135aebfbcabf1.exe	82
PID 1396 wrote to memory of 4628	1396	JaffaCakes118_78ed27b6643f73e861b135aebfbcabf1.exe	82
PID 1396 wrote to memory of 4628	1396	JaffaCakes118_78ed27b6643f73e861b135aebfbcabf1.exe	82

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_78ed27b6643f73e861b135aebfbcabf1.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_78ed27b6643f73e861b135aebfbcabf1.exe"
1⤵
- 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:1396
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4628

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
658KB

MD5
78ed27b6643f73e861b135aebfbcabf1

SHA1
e68c4485b01798cc8c9df5072be47c48314706a1

SHA256
5d62a1ae398aeb0c19c5b66ff73cf0b6b38ffd804bef9e34026cd2dfb8353beb

SHA512
6bd2654e92f7a8b11cbd506bb9893982bc2614052153c1c8eb933e251ff1f51c8fb3b0b2ba1df1b24d7b28749ad46c8447bb8a462ceba513060c1c295eccf56c

Download Submit
memory/1396-14-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1396-0-0x00000000023C0000-0x00000000023C1000-memory.dmp

Filesize
4KB

Download
memory/4628-19-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4628-21-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4628-16-0x00000000006B0000-0x00000000006B1000-memory.dmp

Filesize
4KB

Download
memory/4628-17-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4628-18-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4628-13-0x00000000006B0000-0x00000000006B1000-memory.dmp

Filesize
4KB

Download
memory/4628-20-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4628-15-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4628-22-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4628-23-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4628-24-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4628-25-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4628-26-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4628-27-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4628-28-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4628-29-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads