darkcomet | 072b5711ab18c1deba6e33b60ab4f6e93305879abb8abad2cd34c6edf3e147f0

Analysis

max time kernel
150s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01/01/2025, 23:18

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General

Target

JaffaCakes118_613fdc038b6adf912463aaf9d9598541.exe
Size

724KB
MD5

613fdc038b6adf912463aaf9d9598541
SHA1

9cb541d24d3ed663ec28e5631c803013df4e960e
SHA256

072b5711ab18c1deba6e33b60ab4f6e93305879abb8abad2cd34c6edf3e147f0
SHA512

78cb3f7e102a78a31ef7ca60e221f2f9483cbb9ac072d125f933dfb2a9294184b85bbb521e15ddf1a88439df267082210a3dc1f85ba11bcffacce5867bdfa8dc
SSDEEP

12288:19HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hrg:/Z1xuVVjfFoynPaVBUR8f+kN10EBlg

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

ahmadludin.no-ip.biz:200

Mutex

DC_MUTEX-SQNLX1W

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
zlPkgSMaaLDj
install
true
offline_keylogger
true
persistence
true
reg_key
rundll32

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\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	JaffaCakes118_613fdc038b6adf912463aaf9d9598541.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_613fdc038b6adf912463aaf9d9598541.exe

Executes dropped EXE 1 IoCs

pid	Process
3452	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\rundll32 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	JaffaCakes118_613fdc038b6adf912463aaf9d9598541.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rundll32 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\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 3 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_613fdc038b6adf912463aaf9d9598541.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	JaffaCakes118_613fdc038b6adf912463aaf9d9598541.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	768	JaffaCakes118_613fdc038b6adf912463aaf9d9598541.exe
Token: SeSecurityPrivilege	768	JaffaCakes118_613fdc038b6adf912463aaf9d9598541.exe
Token: SeTakeOwnershipPrivilege	768	JaffaCakes118_613fdc038b6adf912463aaf9d9598541.exe
Token: SeLoadDriverPrivilege	768	JaffaCakes118_613fdc038b6adf912463aaf9d9598541.exe
Token: SeSystemProfilePrivilege	768	JaffaCakes118_613fdc038b6adf912463aaf9d9598541.exe
Token: SeSystemtimePrivilege	768	JaffaCakes118_613fdc038b6adf912463aaf9d9598541.exe
Token: SeProfSingleProcessPrivilege	768	JaffaCakes118_613fdc038b6adf912463aaf9d9598541.exe
Token: SeIncBasePriorityPrivilege	768	JaffaCakes118_613fdc038b6adf912463aaf9d9598541.exe
Token: SeCreatePagefilePrivilege	768	JaffaCakes118_613fdc038b6adf912463aaf9d9598541.exe
Token: SeBackupPrivilege	768	JaffaCakes118_613fdc038b6adf912463aaf9d9598541.exe
Token: SeRestorePrivilege	768	JaffaCakes118_613fdc038b6adf912463aaf9d9598541.exe
Token: SeShutdownPrivilege	768	JaffaCakes118_613fdc038b6adf912463aaf9d9598541.exe
Token: SeDebugPrivilege	768	JaffaCakes118_613fdc038b6adf912463aaf9d9598541.exe
Token: SeSystemEnvironmentPrivilege	768	JaffaCakes118_613fdc038b6adf912463aaf9d9598541.exe
Token: SeChangeNotifyPrivilege	768	JaffaCakes118_613fdc038b6adf912463aaf9d9598541.exe
Token: SeRemoteShutdownPrivilege	768	JaffaCakes118_613fdc038b6adf912463aaf9d9598541.exe
Token: SeUndockPrivilege	768	JaffaCakes118_613fdc038b6adf912463aaf9d9598541.exe
Token: SeManageVolumePrivilege	768	JaffaCakes118_613fdc038b6adf912463aaf9d9598541.exe
Token: SeImpersonatePrivilege	768	JaffaCakes118_613fdc038b6adf912463aaf9d9598541.exe
Token: SeCreateGlobalPrivilege	768	JaffaCakes118_613fdc038b6adf912463aaf9d9598541.exe
Token: 33	768	JaffaCakes118_613fdc038b6adf912463aaf9d9598541.exe
Token: 34	768	JaffaCakes118_613fdc038b6adf912463aaf9d9598541.exe
Token: 35	768	JaffaCakes118_613fdc038b6adf912463aaf9d9598541.exe
Token: 36	768	JaffaCakes118_613fdc038b6adf912463aaf9d9598541.exe
Token: SeIncreaseQuotaPrivilege	3452	msdcsc.exe
Token: SeSecurityPrivilege	3452	msdcsc.exe
Token: SeTakeOwnershipPrivilege	3452	msdcsc.exe
Token: SeLoadDriverPrivilege	3452	msdcsc.exe
Token: SeSystemProfilePrivilege	3452	msdcsc.exe
Token: SeSystemtimePrivilege	3452	msdcsc.exe
Token: SeProfSingleProcessPrivilege	3452	msdcsc.exe
Token: SeIncBasePriorityPrivilege	3452	msdcsc.exe
Token: SeCreatePagefilePrivilege	3452	msdcsc.exe
Token: SeBackupPrivilege	3452	msdcsc.exe
Token: SeRestorePrivilege	3452	msdcsc.exe
Token: SeShutdownPrivilege	3452	msdcsc.exe
Token: SeDebugPrivilege	3452	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	3452	msdcsc.exe
Token: SeChangeNotifyPrivilege	3452	msdcsc.exe
Token: SeRemoteShutdownPrivilege	3452	msdcsc.exe
Token: SeUndockPrivilege	3452	msdcsc.exe
Token: SeManageVolumePrivilege	3452	msdcsc.exe
Token: SeImpersonatePrivilege	3452	msdcsc.exe
Token: SeCreateGlobalPrivilege	3452	msdcsc.exe
Token: 33	3452	msdcsc.exe
Token: 34	3452	msdcsc.exe
Token: 35	3452	msdcsc.exe
Token: 36	3452	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3452	msdcsc.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 768 wrote to memory of 3452	768	JaffaCakes118_613fdc038b6adf912463aaf9d9598541.exe	82
PID 768 wrote to memory of 3452	768	JaffaCakes118_613fdc038b6adf912463aaf9d9598541.exe	82
PID 768 wrote to memory of 3452	768	JaffaCakes118_613fdc038b6adf912463aaf9d9598541.exe	82
PID 3452 wrote to memory of 3292	3452	msdcsc.exe	83
PID 3452 wrote to memory of 3292	3452	msdcsc.exe	83
PID 3452 wrote to memory of 3292	3452	msdcsc.exe	83
PID 3452 wrote to memory of 3292	3452	msdcsc.exe	83
PID 3452 wrote to memory of 3292	3452	msdcsc.exe	83
PID 3452 wrote to memory of 3292	3452	msdcsc.exe	83
PID 3452 wrote to memory of 3292	3452	msdcsc.exe	83
PID 3452 wrote to memory of 3292	3452	msdcsc.exe	83
PID 3452 wrote to memory of 3292	3452	msdcsc.exe	83
PID 3452 wrote to memory of 3292	3452	msdcsc.exe	83
PID 3452 wrote to memory of 3292	3452	msdcsc.exe	83
PID 3452 wrote to memory of 3292	3452	msdcsc.exe	83
PID 3452 wrote to memory of 3292	3452	msdcsc.exe	83
PID 3452 wrote to memory of 3292	3452	msdcsc.exe	83
PID 3452 wrote to memory of 3292	3452	msdcsc.exe	83
PID 3452 wrote to memory of 3292	3452	msdcsc.exe	83
PID 3452 wrote to memory of 3292	3452	msdcsc.exe	83
PID 3452 wrote to memory of 3292	3452	msdcsc.exe	83
PID 3452 wrote to memory of 3292	3452	msdcsc.exe	83
PID 3452 wrote to memory of 3292	3452	msdcsc.exe	83
PID 3452 wrote to memory of 3292	3452	msdcsc.exe	83
PID 3452 wrote to memory of 3292	3452	msdcsc.exe	83

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_613fdc038b6adf912463aaf9d9598541.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_613fdc038b6adf912463aaf9d9598541.exe"
1⤵
- 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:768
- C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
  "C:\Users\Admin\AppData\Local\Temp\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
  - Suspicious use of WriteProcessMemory
  PID:3452
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3292

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\AppData\Local\Temp\MSDCSC\msdcsc.exe

Filesize
724KB

MD5
613fdc038b6adf912463aaf9d9598541

SHA1
9cb541d24d3ed663ec28e5631c803013df4e960e

SHA256
072b5711ab18c1deba6e33b60ab4f6e93305879abb8abad2cd34c6edf3e147f0

SHA512
78cb3f7e102a78a31ef7ca60e221f2f9483cbb9ac072d125f933dfb2a9294184b85bbb521e15ddf1a88439df267082210a3dc1f85ba11bcffacce5867bdfa8dc

Download Submit
memory/768-63-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/768-0-0x0000000002290000-0x0000000002291000-memory.dmp

Filesize
4KB

Download
memory/3292-62-0x0000000000F40000-0x0000000000F41000-memory.dmp

Filesize
4KB

Download
memory/3452-69-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/3452-70-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/3452-65-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/3452-66-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/3452-67-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/3452-68-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/3452-61-0x0000000000680000-0x0000000000681000-memory.dmp

Filesize
4KB

Download
memory/3452-64-0x0000000000680000-0x0000000000681000-memory.dmp

Filesize
4KB

Download
memory/3452-71-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/3452-72-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/3452-73-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/3452-74-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/3452-75-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/3452-76-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/3452-77-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/3452-78-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads