darkcomet | 4ea4d839643908a89687a813fbd4b2f6cf181b25bfd308f363c6fc22fd8a6a68

Analysis

max time kernel
129s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
21/03/2025, 19:53

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General

Target

JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Size

1.6MB
MD5

84872548d241f11d30b0ec3cb37ef889
SHA1

cd7465a28cbe344f71b806d6ce0d4ee3a17e010f
SHA256

4ea4d839643908a89687a813fbd4b2f6cf181b25bfd308f363c6fc22fd8a6a68
SHA512

9ba00fb2a2758ff0d63420fbd317e6242a066c2c80b008d41931d56d8b06625b550a877153b14beff6094bd9289ae2cef010e52ecba08c0e66cf23d302a5a7ae
SSDEEP

24576:8RmJkcoQricOIQxiZY1iaLWSzWOxnyBLqyfWlo58iAoX62SdHfX9JduvU/X:pJZoQrbTFZY1iaTzcZPf8o58smXducv

Score

10^/10

darkcomet guest16_min discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

37.59.186.230:1604

Mutex

DCMIN_MUTEX-WWWEW8L

Attributes

InstallPath
DCSCMIN\IMDCSC.exe
gencode
2i6c1eVulMdM
install
true
offline_keylogger
true
persistence
false
reg_key
DarkComet RAT

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\\DCSCMIN\\IMDCSC.exe"	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.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-1-5-21-3218366390-1258052702-4267193707-1000\Control Panel\International\Geo\Nation	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe

Executes dropped EXE 2 IoCs

pid	Process
3480	IMDCSC.exe
5112	IMDCSC.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-1-5-21-3218366390-1258052702-4267193707-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DarkComet RAT = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe"	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/files/0x00080000000240ed-17.dat	autoit_exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2864 set thread context of 4160	2864	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe	87
PID 3480 set thread context of 5112	3480	IMDCSC.exe	91

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_84872548d241f11d30b0ec3cb37ef889.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IMDCSC.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IMDCSC.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4160	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Token: SeSecurityPrivilege	4160	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Token: SeTakeOwnershipPrivilege	4160	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Token: SeLoadDriverPrivilege	4160	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Token: SeSystemProfilePrivilege	4160	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Token: SeSystemtimePrivilege	4160	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Token: SeProfSingleProcessPrivilege	4160	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Token: SeIncBasePriorityPrivilege	4160	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Token: SeCreatePagefilePrivilege	4160	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Token: SeBackupPrivilege	4160	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Token: SeRestorePrivilege	4160	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Token: SeShutdownPrivilege	4160	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Token: SeDebugPrivilege	4160	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Token: SeSystemEnvironmentPrivilege	4160	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Token: SeChangeNotifyPrivilege	4160	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Token: SeRemoteShutdownPrivilege	4160	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Token: SeUndockPrivilege	4160	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Token: SeManageVolumePrivilege	4160	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Token: SeImpersonatePrivilege	4160	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Token: SeCreateGlobalPrivilege	4160	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Token: 33	4160	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Token: 34	4160	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Token: 35	4160	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Token: 36	4160	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Token: SeIncreaseQuotaPrivilege	5112	IMDCSC.exe
Token: SeSecurityPrivilege	5112	IMDCSC.exe
Token: SeTakeOwnershipPrivilege	5112	IMDCSC.exe
Token: SeLoadDriverPrivilege	5112	IMDCSC.exe
Token: SeSystemProfilePrivilege	5112	IMDCSC.exe
Token: SeSystemtimePrivilege	5112	IMDCSC.exe
Token: SeProfSingleProcessPrivilege	5112	IMDCSC.exe
Token: SeIncBasePriorityPrivilege	5112	IMDCSC.exe
Token: SeCreatePagefilePrivilege	5112	IMDCSC.exe
Token: SeBackupPrivilege	5112	IMDCSC.exe
Token: SeRestorePrivilege	5112	IMDCSC.exe
Token: SeShutdownPrivilege	5112	IMDCSC.exe
Token: SeDebugPrivilege	5112	IMDCSC.exe
Token: SeSystemEnvironmentPrivilege	5112	IMDCSC.exe
Token: SeChangeNotifyPrivilege	5112	IMDCSC.exe
Token: SeRemoteShutdownPrivilege	5112	IMDCSC.exe
Token: SeUndockPrivilege	5112	IMDCSC.exe
Token: SeManageVolumePrivilege	5112	IMDCSC.exe
Token: SeImpersonatePrivilege	5112	IMDCSC.exe
Token: SeCreateGlobalPrivilege	5112	IMDCSC.exe
Token: 33	5112	IMDCSC.exe
Token: 34	5112	IMDCSC.exe
Token: 35	5112	IMDCSC.exe
Token: 36	5112	IMDCSC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5112	IMDCSC.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2864 wrote to memory of 4160	2864	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe	87
PID 2864 wrote to memory of 4160	2864	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe	87
PID 2864 wrote to memory of 4160	2864	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe	87
PID 2864 wrote to memory of 4160	2864	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe	87
PID 2864 wrote to memory of 4160	2864	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe	87
PID 4160 wrote to memory of 3480	4160	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe	90
PID 4160 wrote to memory of 3480	4160	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe	90
PID 4160 wrote to memory of 3480	4160	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe	90
PID 3480 wrote to memory of 5112	3480	IMDCSC.exe	91
PID 3480 wrote to memory of 5112	3480	IMDCSC.exe	91
PID 3480 wrote to memory of 5112	3480	IMDCSC.exe	91
PID 3480 wrote to memory of 5112	3480	IMDCSC.exe	91
PID 3480 wrote to memory of 5112	3480	IMDCSC.exe	91

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2864
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.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:4160
- - C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
    "C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3480
  - - C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
      C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:5112

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\aut77D0.tmp

Filesize
658KB

MD5
43ab232717d95c8e0cce23c749d53932

SHA1
b8c8695fefbfbfa83a2bdd18c3f7fc7c15ee03a2

SHA256
36c7fec63d94ab002c76e35af0af9fcce6783e943fc0a442f2da0f676d1bf787

SHA512
f89fb7bdc980bb5c3f972653c7516cfbdefddeb2f8bce55a0f78477d037922dcbf01ef5ab9792a4a63db68cef80f7cf0ac6df1d7660582e2720e8b8cd7cef5b8

Download Submit
C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe

Filesize
1.6MB

MD5
84872548d241f11d30b0ec3cb37ef889

SHA1
cd7465a28cbe344f71b806d6ce0d4ee3a17e010f

SHA256
4ea4d839643908a89687a813fbd4b2f6cf181b25bfd308f363c6fc22fd8a6a68

SHA512
9ba00fb2a2758ff0d63420fbd317e6242a066c2c80b008d41931d56d8b06625b550a877153b14beff6094bd9289ae2cef010e52ecba08c0e66cf23d302a5a7ae

Download Submit
memory/4160-7-0x00000000000D0000-0x0000000000182000-memory.dmp

Filesize
712KB

Download
memory/4160-8-0x00000000000D0000-0x0000000000182000-memory.dmp

Filesize
712KB

Download
memory/4160-10-0x00000000000D0000-0x0000000000182000-memory.dmp

Filesize
712KB

Download
memory/4160-11-0x00000000000D0000-0x0000000000182000-memory.dmp

Filesize
712KB

Download
memory/4160-12-0x00000000028D0000-0x00000000028D1000-memory.dmp

Filesize
4KB

Download
memory/4160-40-0x00000000000D0000-0x0000000000182000-memory.dmp

Filesize
712KB

Download
memory/5112-37-0x00000000000D0000-0x0000000000182000-memory.dmp

Filesize
712KB

Download
memory/5112-38-0x00000000000D0000-0x0000000000182000-memory.dmp

Filesize
712KB

Download
memory/5112-39-0x00000000000D0000-0x0000000000182000-memory.dmp

Filesize
712KB

Download
memory/5112-41-0x00000000000D0000-0x0000000000182000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads