darkcomet | dff1fdf57e443884f73c50c7c3d285e6b752fa923a3601daa3c1ce63331ce4f2

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-12-2024 09:16

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General

Target

e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe
Size

676KB
MD5

e5b1bb3bb10e1870f622cbc5a49e1e9f
SHA1

77ace91242caaafebb4478068d064d3cb98f72a5
SHA256

dff1fdf57e443884f73c50c7c3d285e6b752fa923a3601daa3c1ce63331ce4f2
SHA512

a970b3b3625a3385cb0df70fa3b31b383dcc8efdccb9e47f595c9eec1ea87c1817a1fca2f4a9d62a1ef2bccf7031706e7c8935ba81c20d9c7a60ee7691cfde05
SSDEEP

12288:cWRSJugNlxv0W3ZUwbqwpXbtL8LLtBYKuFewpncaXn3IWeK4DYrwjWK8hR/JSUSc:pQcgNTv0CUwbhtLuLYtFFJNeDErdh0Nu

Score

10^/10

darkcomet 24/12/2012 1604 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

24/12/2012 1604

158.255.215.83:1700

Mutex

DC_MUTEX-YEWS2Q4

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
3xmvFz3cURTB
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:\\ProgramData\\Microsoft\\Windows\\Start Menu\\Programs\\MSDCSC\\msdcsc.exe"	e5b1bb3bb10e1870f622cbc5a49e1e9f_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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
3692	msdcsc.exe
4684	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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\Programs\\MSDCSC\\msdcsc.exe"	e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\Programs\\MSDCSC\\msdcsc.exe"	msdcsc.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 548 set thread context of 4588	548	e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe	84
PID 3692 set thread context of 4684	3692	msdcsc.exe	86

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	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4588	e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe
Token: SeSecurityPrivilege	4588	e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	4588	e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	4588	e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	4588	e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe
Token: SeSystemtimePrivilege	4588	e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	4588	e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	4588	e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	4588	e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe
Token: SeBackupPrivilege	4588	e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe
Token: SeRestorePrivilege	4588	e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe
Token: SeShutdownPrivilege	4588	e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe
Token: SeDebugPrivilege	4588	e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	4588	e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	4588	e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	4588	e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe
Token: SeUndockPrivilege	4588	e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe
Token: SeManageVolumePrivilege	4588	e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe
Token: SeImpersonatePrivilege	4588	e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	4588	e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe
Token: 33	4588	e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe
Token: 34	4588	e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe
Token: 35	4588	e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe
Token: 36	4588	e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	4684	msdcsc.exe
Token: SeSecurityPrivilege	4684	msdcsc.exe
Token: SeTakeOwnershipPrivilege	4684	msdcsc.exe
Token: SeLoadDriverPrivilege	4684	msdcsc.exe
Token: SeSystemProfilePrivilege	4684	msdcsc.exe
Token: SeSystemtimePrivilege	4684	msdcsc.exe
Token: SeProfSingleProcessPrivilege	4684	msdcsc.exe
Token: SeIncBasePriorityPrivilege	4684	msdcsc.exe
Token: SeCreatePagefilePrivilege	4684	msdcsc.exe
Token: SeBackupPrivilege	4684	msdcsc.exe
Token: SeRestorePrivilege	4684	msdcsc.exe
Token: SeShutdownPrivilege	4684	msdcsc.exe
Token: SeDebugPrivilege	4684	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	4684	msdcsc.exe
Token: SeChangeNotifyPrivilege	4684	msdcsc.exe
Token: SeRemoteShutdownPrivilege	4684	msdcsc.exe
Token: SeUndockPrivilege	4684	msdcsc.exe
Token: SeManageVolumePrivilege	4684	msdcsc.exe
Token: SeImpersonatePrivilege	4684	msdcsc.exe
Token: SeCreateGlobalPrivilege	4684	msdcsc.exe
Token: 33	4684	msdcsc.exe
Token: 34	4684	msdcsc.exe
Token: 35	4684	msdcsc.exe
Token: 36	4684	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4684	msdcsc.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 548 wrote to memory of 4588	548	e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe	84
PID 548 wrote to memory of 4588	548	e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe	84
PID 548 wrote to memory of 4588	548	e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe	84
PID 548 wrote to memory of 4588	548	e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe	84
PID 548 wrote to memory of 4588	548	e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe	84
PID 548 wrote to memory of 4588	548	e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe	84
PID 548 wrote to memory of 4588	548	e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe	84
PID 548 wrote to memory of 4588	548	e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe	84
PID 548 wrote to memory of 4588	548	e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe	84
PID 548 wrote to memory of 4588	548	e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe	84
PID 548 wrote to memory of 4588	548	e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe	84
PID 548 wrote to memory of 4588	548	e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe	84
PID 548 wrote to memory of 4588	548	e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe	84
PID 4588 wrote to memory of 3692	4588	e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe	85
PID 4588 wrote to memory of 3692	4588	e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe	85
PID 4588 wrote to memory of 3692	4588	e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe	85
PID 3692 wrote to memory of 4684	3692	msdcsc.exe	86
PID 3692 wrote to memory of 4684	3692	msdcsc.exe	86
PID 3692 wrote to memory of 4684	3692	msdcsc.exe	86
PID 3692 wrote to memory of 4684	3692	msdcsc.exe	86
PID 3692 wrote to memory of 4684	3692	msdcsc.exe	86
PID 3692 wrote to memory of 4684	3692	msdcsc.exe	86
PID 3692 wrote to memory of 4684	3692	msdcsc.exe	86
PID 3692 wrote to memory of 4684	3692	msdcsc.exe	86
PID 3692 wrote to memory of 4684	3692	msdcsc.exe	86
PID 3692 wrote to memory of 4684	3692	msdcsc.exe	86
PID 3692 wrote to memory of 4684	3692	msdcsc.exe	86
PID 3692 wrote to memory of 4684	3692	msdcsc.exe	86
PID 3692 wrote to memory of 4684	3692	msdcsc.exe	86

C:\Users\Admin\AppData\Local\Temp\e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:548
- C:\Users\Admin\AppData\Local\Temp\e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\e5b1bb3bb10e1870f622cbc5a49e1e9f_JaffaCakes118.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Checks computer location settings
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4588
- - C:\ProgramData\Microsoft\Windows\Start Menu\Programs\MSDCSC\msdcsc.exe
    "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\MSDCSC\msdcsc.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3692
  - - C:\ProgramData\Microsoft\Windows\Start Menu\Programs\MSDCSC\msdcsc.exe
      "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\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:4684

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:\ProgramData\Microsoft\Windows\Start Menu\Programs\MSDCSC\msdcsc.exe

Filesize
676KB

MD5
e5b1bb3bb10e1870f622cbc5a49e1e9f

SHA1
77ace91242caaafebb4478068d064d3cb98f72a5

SHA256
dff1fdf57e443884f73c50c7c3d285e6b752fa923a3601daa3c1ce63331ce4f2

SHA512
a970b3b3625a3385cb0df70fa3b31b383dcc8efdccb9e47f595c9eec1ea87c1817a1fca2f4a9d62a1ef2bccf7031706e7c8935ba81c20d9c7a60ee7691cfde05

Download Submit
memory/4588-0-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4588-1-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4588-2-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4588-3-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4588-4-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4588-74-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4684-72-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4684-70-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4684-73-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4684-71-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4684-69-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4684-76-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4684-77-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4684-79-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4684-81-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4684-83-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4684-89-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads