darkcomet | 8da669d07ac0a1fe830a9d5167b789017d85a1885e6b3230fef812de30a5bbd7

Analysis

max time kernel
148s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-01-2025 04:35

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General

Target

JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe
Size

1.2MB
MD5

328ea995a9d0df242b055dc591f4d5b7
SHA1

bdea43f70c00f94b55eacba44cd9263cc64dba2f
SHA256

8da669d07ac0a1fe830a9d5167b789017d85a1885e6b3230fef812de30a5bbd7
SHA512

0990c02a37838afade67e05bf2afece328f3f86c73d0d4c9ea26c54a07f5a6b9a3e8238d680e9cfebb5340f014ad5bc4feb86ba0d05f4c3c6866b3a67310ba40
SSDEEP

24576:W+iuVC3C8zgAb4A25KtaDHQ9nUwzdV3TfJQicrg3Tc4Ynyivt6jEivI9cyegHVkt:WwVgEK0zunUwzdV3TfJQick3Tc4Ynyim

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

jduhudhjwehuwe.no-ip.biz:1604

127.0.0.1:1604

Mutex

DC_MUTEX-59H5BKD

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
fzFSlT6Vhc7o
install
true
offline_keylogger
true
persistence
false
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\\MSDCSC\\msdcsc.exe"	JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe

Executes dropped EXE 2 IoCs

pid	Process
1504	msdcsc.exe
1776	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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe"	JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4928 set thread context of 4760	4928	JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe	93
PID 1504 set thread context of 1776	1504	msdcsc.exe	98

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	JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe
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	JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4760	JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe
Token: SeSecurityPrivilege	4760	JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe
Token: SeTakeOwnershipPrivilege	4760	JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe
Token: SeLoadDriverPrivilege	4760	JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe
Token: SeSystemProfilePrivilege	4760	JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe
Token: SeSystemtimePrivilege	4760	JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe
Token: SeProfSingleProcessPrivilege	4760	JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe
Token: SeIncBasePriorityPrivilege	4760	JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe
Token: SeCreatePagefilePrivilege	4760	JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe
Token: SeBackupPrivilege	4760	JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe
Token: SeRestorePrivilege	4760	JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe
Token: SeShutdownPrivilege	4760	JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe
Token: SeDebugPrivilege	4760	JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe
Token: SeSystemEnvironmentPrivilege	4760	JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe
Token: SeChangeNotifyPrivilege	4760	JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe
Token: SeRemoteShutdownPrivilege	4760	JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe
Token: SeUndockPrivilege	4760	JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe
Token: SeManageVolumePrivilege	4760	JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe
Token: SeImpersonatePrivilege	4760	JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe
Token: SeCreateGlobalPrivilege	4760	JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe
Token: 33	4760	JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe
Token: 34	4760	JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe
Token: 35	4760	JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe
Token: 36	4760	JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe
Token: SeIncreaseQuotaPrivilege	1776	msdcsc.exe
Token: SeSecurityPrivilege	1776	msdcsc.exe
Token: SeTakeOwnershipPrivilege	1776	msdcsc.exe
Token: SeLoadDriverPrivilege	1776	msdcsc.exe
Token: SeSystemProfilePrivilege	1776	msdcsc.exe
Token: SeSystemtimePrivilege	1776	msdcsc.exe
Token: SeProfSingleProcessPrivilege	1776	msdcsc.exe
Token: SeIncBasePriorityPrivilege	1776	msdcsc.exe
Token: SeCreatePagefilePrivilege	1776	msdcsc.exe
Token: SeBackupPrivilege	1776	msdcsc.exe
Token: SeRestorePrivilege	1776	msdcsc.exe
Token: SeShutdownPrivilege	1776	msdcsc.exe
Token: SeDebugPrivilege	1776	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	1776	msdcsc.exe
Token: SeChangeNotifyPrivilege	1776	msdcsc.exe
Token: SeRemoteShutdownPrivilege	1776	msdcsc.exe
Token: SeUndockPrivilege	1776	msdcsc.exe
Token: SeManageVolumePrivilege	1776	msdcsc.exe
Token: SeImpersonatePrivilege	1776	msdcsc.exe
Token: SeCreateGlobalPrivilege	1776	msdcsc.exe
Token: 33	1776	msdcsc.exe
Token: 34	1776	msdcsc.exe
Token: 35	1776	msdcsc.exe
Token: 36	1776	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1776	msdcsc.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 4928 wrote to memory of 4760	4928	JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe	93
PID 4928 wrote to memory of 4760	4928	JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe	93
PID 4928 wrote to memory of 4760	4928	JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe	93
PID 4928 wrote to memory of 4760	4928	JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe	93
PID 4928 wrote to memory of 4760	4928	JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe	93
PID 4928 wrote to memory of 4760	4928	JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe	93
PID 4928 wrote to memory of 4760	4928	JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe	93
PID 4928 wrote to memory of 4760	4928	JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe	93
PID 4928 wrote to memory of 4760	4928	JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe	93
PID 4928 wrote to memory of 4760	4928	JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe	93
PID 4928 wrote to memory of 4760	4928	JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe	93
PID 4928 wrote to memory of 4760	4928	JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe	93
PID 4928 wrote to memory of 4760	4928	JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe	93
PID 4928 wrote to memory of 4760	4928	JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe	93
PID 4760 wrote to memory of 1504	4760	JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe	94
PID 4760 wrote to memory of 1504	4760	JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe	94
PID 4760 wrote to memory of 1504	4760	JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe	94
PID 1504 wrote to memory of 1776	1504	msdcsc.exe	98
PID 1504 wrote to memory of 1776	1504	msdcsc.exe	98
PID 1504 wrote to memory of 1776	1504	msdcsc.exe	98
PID 1504 wrote to memory of 1776	1504	msdcsc.exe	98
PID 1504 wrote to memory of 1776	1504	msdcsc.exe	98
PID 1504 wrote to memory of 1776	1504	msdcsc.exe	98
PID 1504 wrote to memory of 1776	1504	msdcsc.exe	98
PID 1504 wrote to memory of 1776	1504	msdcsc.exe	98
PID 1504 wrote to memory of 1776	1504	msdcsc.exe	98
PID 1504 wrote to memory of 1776	1504	msdcsc.exe	98
PID 1504 wrote to memory of 1776	1504	msdcsc.exe	98
PID 1504 wrote to memory of 1776	1504	msdcsc.exe	98
PID 1504 wrote to memory of 1776	1504	msdcsc.exe	98
PID 1504 wrote to memory of 1776	1504	msdcsc.exe	98

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4928
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_328ea995a9d0df242b055dc591f4d5b7.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:4760
- - C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe
    "C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1504
  - - C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe
      "C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:1776

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\MSDCSC\msdcsc.exe

Filesize
1.2MB

MD5
328ea995a9d0df242b055dc591f4d5b7

SHA1
bdea43f70c00f94b55eacba44cd9263cc64dba2f

SHA256
8da669d07ac0a1fe830a9d5167b789017d85a1885e6b3230fef812de30a5bbd7

SHA512
0990c02a37838afade67e05bf2afece328f3f86c73d0d4c9ea26c54a07f5a6b9a3e8238d680e9cfebb5340f014ad5bc4feb86ba0d05f4c3c6866b3a67310ba40

Download Submit
memory/1504-45-0x0000000010000000-0x000000001009B000-memory.dmp

Filesize
620KB

Download
memory/1504-32-0x0000000010000000-0x000000001009B000-memory.dmp

Filesize
620KB

Download
memory/1504-31-0x0000000010000000-0x000000001009B000-memory.dmp

Filesize
620KB

Download
memory/1504-30-0x00000000004F0000-0x00000000004F1000-memory.dmp

Filesize
4KB

Download
memory/1776-49-0x0000000002180000-0x0000000002181000-memory.dmp

Filesize
4KB

Download
memory/1776-47-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1776-48-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1776-46-0x0000000002180000-0x0000000002181000-memory.dmp

Filesize
4KB

Download
memory/1776-44-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4760-18-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4760-12-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4760-8-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4760-6-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4760-5-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4760-19-0x00000000023B0000-0x00000000023B1000-memory.dmp

Filesize
4KB

Download
memory/4760-17-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4760-11-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4760-29-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4760-10-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4760-16-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4760-4-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4760-14-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4928-15-0x0000000010000000-0x000000001009B000-memory.dmp

Filesize
620KB

Download
memory/4928-0-0x00000000006F0000-0x00000000006F1000-memory.dmp

Filesize
4KB

Download
memory/4928-3-0x0000000010000000-0x000000001009B000-memory.dmp

Filesize
620KB

Download
memory/4928-2-0x00000000006F0000-0x00000000006F1000-memory.dmp

Filesize
4KB

Download
memory/4928-1-0x0000000010000000-0x000000001009B000-memory.dmp

Filesize
620KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads