darkcomet | 1fcca160810d613b3c95e10ae327b23476db7925b00d8befc129912ccd4a3b23

Analysis

max time kernel
149s
max time network
154s
platform
windows11-21h2_x64
resource
win11-20250410-en
resource tags

arch:x64arch:x86image:win11-20250410-enlocale:en-usos:windows11-21h2-x64system
submitted
19/04/2025, 06:38

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General

Target

JaffaCakes118_c1adf0ba899c7d16676d87b6de8f77aa.exe
Size

751KB
MD5

c1adf0ba899c7d16676d87b6de8f77aa
SHA1

864065137b6f772d33cf6f35c4224bca73944697
SHA256

1fcca160810d613b3c95e10ae327b23476db7925b00d8befc129912ccd4a3b23
SHA512

4315e35e3df6851877c75261106e5230b7b3289c3d2be61b327b7d2388771f27333a3a9b2d0de48cdabd1024f705711fd3f17ae1b0583df4547564d878410de9
SSDEEP

12288:2eSdWyot/0lsBvyMHEFXKDlwgQVy8/0bpuD41AgB1UMcbBV6PCluBKARnmnxCd/7:/Vv/0l0dHENNVynbgDKB19ctWC0vRh1r

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

mydarkrat.no-ip.org:1604

Mutex

DC_MUTEX-0BSJTXF

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
S9t3Am2D#$wZ
install
true
offline_keylogger
true
persistence
false
reg_key
MicroUpdate

rc4.plain

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_c1adf0ba899c7d16676d87b6de8f77aa.exe

Executes dropped EXE 2 IoCs

pid	Process
6052	msdcsc.exe
5616	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-1-5-21-599783296-1627459723-2423478968-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	JaffaCakes118_c1adf0ba899c7d16676d87b6de8f77aa.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 6052 set thread context of 988	6052	msdcsc.exe	81

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	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iexplore.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_c1adf0ba899c7d16676d87b6de8f77aa.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2004	JaffaCakes118_c1adf0ba899c7d16676d87b6de8f77aa.exe
Token: SeSecurityPrivilege	2004	JaffaCakes118_c1adf0ba899c7d16676d87b6de8f77aa.exe
Token: SeTakeOwnershipPrivilege	2004	JaffaCakes118_c1adf0ba899c7d16676d87b6de8f77aa.exe
Token: SeLoadDriverPrivilege	2004	JaffaCakes118_c1adf0ba899c7d16676d87b6de8f77aa.exe
Token: SeSystemProfilePrivilege	2004	JaffaCakes118_c1adf0ba899c7d16676d87b6de8f77aa.exe
Token: SeSystemtimePrivilege	2004	JaffaCakes118_c1adf0ba899c7d16676d87b6de8f77aa.exe
Token: SeProfSingleProcessPrivilege	2004	JaffaCakes118_c1adf0ba899c7d16676d87b6de8f77aa.exe
Token: SeIncBasePriorityPrivilege	2004	JaffaCakes118_c1adf0ba899c7d16676d87b6de8f77aa.exe
Token: SeCreatePagefilePrivilege	2004	JaffaCakes118_c1adf0ba899c7d16676d87b6de8f77aa.exe
Token: SeBackupPrivilege	2004	JaffaCakes118_c1adf0ba899c7d16676d87b6de8f77aa.exe
Token: SeRestorePrivilege	2004	JaffaCakes118_c1adf0ba899c7d16676d87b6de8f77aa.exe
Token: SeShutdownPrivilege	2004	JaffaCakes118_c1adf0ba899c7d16676d87b6de8f77aa.exe
Token: SeDebugPrivilege	2004	JaffaCakes118_c1adf0ba899c7d16676d87b6de8f77aa.exe
Token: SeSystemEnvironmentPrivilege	2004	JaffaCakes118_c1adf0ba899c7d16676d87b6de8f77aa.exe
Token: SeChangeNotifyPrivilege	2004	JaffaCakes118_c1adf0ba899c7d16676d87b6de8f77aa.exe
Token: SeRemoteShutdownPrivilege	2004	JaffaCakes118_c1adf0ba899c7d16676d87b6de8f77aa.exe
Token: SeUndockPrivilege	2004	JaffaCakes118_c1adf0ba899c7d16676d87b6de8f77aa.exe
Token: SeManageVolumePrivilege	2004	JaffaCakes118_c1adf0ba899c7d16676d87b6de8f77aa.exe
Token: SeImpersonatePrivilege	2004	JaffaCakes118_c1adf0ba899c7d16676d87b6de8f77aa.exe
Token: SeCreateGlobalPrivilege	2004	JaffaCakes118_c1adf0ba899c7d16676d87b6de8f77aa.exe
Token: 33	2004	JaffaCakes118_c1adf0ba899c7d16676d87b6de8f77aa.exe
Token: 34	2004	JaffaCakes118_c1adf0ba899c7d16676d87b6de8f77aa.exe
Token: 35	2004	JaffaCakes118_c1adf0ba899c7d16676d87b6de8f77aa.exe
Token: 36	2004	JaffaCakes118_c1adf0ba899c7d16676d87b6de8f77aa.exe
Token: SeIncreaseQuotaPrivilege	6052	msdcsc.exe
Token: SeSecurityPrivilege	6052	msdcsc.exe
Token: SeTakeOwnershipPrivilege	6052	msdcsc.exe
Token: SeLoadDriverPrivilege	6052	msdcsc.exe
Token: SeSystemProfilePrivilege	6052	msdcsc.exe
Token: SeSystemtimePrivilege	6052	msdcsc.exe
Token: SeProfSingleProcessPrivilege	6052	msdcsc.exe
Token: SeIncBasePriorityPrivilege	6052	msdcsc.exe
Token: SeCreatePagefilePrivilege	6052	msdcsc.exe
Token: SeBackupPrivilege	6052	msdcsc.exe
Token: SeRestorePrivilege	6052	msdcsc.exe
Token: SeShutdownPrivilege	6052	msdcsc.exe
Token: SeDebugPrivilege	6052	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	6052	msdcsc.exe
Token: SeChangeNotifyPrivilege	6052	msdcsc.exe
Token: SeRemoteShutdownPrivilege	6052	msdcsc.exe
Token: SeUndockPrivilege	6052	msdcsc.exe
Token: SeManageVolumePrivilege	6052	msdcsc.exe
Token: SeImpersonatePrivilege	6052	msdcsc.exe
Token: SeCreateGlobalPrivilege	6052	msdcsc.exe
Token: 33	6052	msdcsc.exe
Token: 34	6052	msdcsc.exe
Token: 35	6052	msdcsc.exe
Token: 36	6052	msdcsc.exe
Token: SeIncreaseQuotaPrivilege	5616	msdcsc.exe
Token: SeSecurityPrivilege	5616	msdcsc.exe
Token: SeTakeOwnershipPrivilege	5616	msdcsc.exe
Token: SeLoadDriverPrivilege	5616	msdcsc.exe
Token: SeSystemProfilePrivilege	5616	msdcsc.exe
Token: SeSystemtimePrivilege	5616	msdcsc.exe
Token: SeProfSingleProcessPrivilege	5616	msdcsc.exe
Token: SeIncBasePriorityPrivilege	5616	msdcsc.exe
Token: SeCreatePagefilePrivilege	5616	msdcsc.exe
Token: SeBackupPrivilege	5616	msdcsc.exe
Token: SeRestorePrivilege	5616	msdcsc.exe
Token: SeShutdownPrivilege	5616	msdcsc.exe
Token: SeDebugPrivilege	5616	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	5616	msdcsc.exe
Token: SeChangeNotifyPrivilege	5616	msdcsc.exe
Token: SeRemoteShutdownPrivilege	5616	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5616	msdcsc.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 6052	1996	cmd.exe	80
PID 1996 wrote to memory of 6052	1996	cmd.exe	80
PID 1996 wrote to memory of 6052	1996	cmd.exe	80
PID 6052 wrote to memory of 988	6052	msdcsc.exe	81
PID 6052 wrote to memory of 988	6052	msdcsc.exe	81
PID 6052 wrote to memory of 988	6052	msdcsc.exe	81
PID 6052 wrote to memory of 988	6052	msdcsc.exe	81
PID 6052 wrote to memory of 988	6052	msdcsc.exe	81
PID 2004 wrote to memory of 5616	2004	JaffaCakes118_c1adf0ba899c7d16676d87b6de8f77aa.exe	82
PID 2004 wrote to memory of 5616	2004	JaffaCakes118_c1adf0ba899c7d16676d87b6de8f77aa.exe	82
PID 2004 wrote to memory of 5616	2004	JaffaCakes118_c1adf0ba899c7d16676d87b6de8f77aa.exe	82
PID 5616 wrote to memory of 2444	5616	msdcsc.exe	83
PID 5616 wrote to memory of 2444	5616	msdcsc.exe	83
PID 5616 wrote to memory of 2444	5616	msdcsc.exe	83
PID 5616 wrote to memory of 5784	5616	msdcsc.exe	84
PID 5616 wrote to memory of 5784	5616	msdcsc.exe	84

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c1adf0ba899c7d16676d87b6de8f77aa.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c1adf0ba899c7d16676d87b6de8f77aa.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2004
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:5616
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    PID:2444
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    PID:5784

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
1⤵
- Suspicious use of WriteProcessMemory
PID:1996
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:6052
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:988

Network

MITRE ATT&CK Enterprise v16

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\Documents\MSDCSC\msdcsc.exe

Filesize
751KB

MD5
c1adf0ba899c7d16676d87b6de8f77aa

SHA1
864065137b6f772d33cf6f35c4224bca73944697

SHA256
1fcca160810d613b3c95e10ae327b23476db7925b00d8befc129912ccd4a3b23

SHA512
4315e35e3df6851877c75261106e5230b7b3289c3d2be61b327b7d2388771f27333a3a9b2d0de48cdabd1024f705711fd3f17ae1b0583df4547564d878410de9

Download Submit
memory/2004-0-0x0000000000400000-0x00000000005B9000-memory.dmp

Filesize
1.7MB

Download
memory/2004-1-0x0000000000400000-0x00000000005B9000-memory.dmp

Filesize
1.7MB

Download
memory/2004-3-0x0000000002470000-0x0000000002471000-memory.dmp

Filesize
4KB

Download
memory/2004-13-0x0000000000400000-0x00000000005B9000-memory.dmp

Filesize
1.7MB

Download
memory/2004-14-0x0000000002470000-0x0000000002471000-memory.dmp

Filesize
4KB

Download
memory/5616-16-0x0000000000400000-0x00000000005B9000-memory.dmp

Filesize
1.7MB

Download
memory/5616-18-0x0000000000400000-0x00000000005B9000-memory.dmp

Filesize
1.7MB

Download
memory/6052-8-0x0000000000400000-0x00000000005B9000-memory.dmp

Filesize
1.7MB

Download
memory/6052-10-0x0000000002230000-0x0000000002231000-memory.dmp

Filesize
4KB

Download
memory/6052-12-0x0000000000400000-0x00000000005B9000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads