darkcomet | 5918de565bef17006e9b3ec2ef017d786aad4f27f2912fea242d471f52e33652

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
27/02/2025, 08:05

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General

Target

JaffaCakes118_2bd7cd4c15fa82d33dfbbd63fe751be6.exe
Size

1.4MB
MD5

2bd7cd4c15fa82d33dfbbd63fe751be6
SHA1

0876eedc0333955f4c471c2cec441e4155e9e71f
SHA256

5918de565bef17006e9b3ec2ef017d786aad4f27f2912fea242d471f52e33652
SHA512

17839fee0efa17e108a909768ca5e195673338177ea7f3b919436fd3c2cfdab8a441eec546337cec04df6f5e3a4017f6885ad855d67cb9f0efbc3a8643ad74f7
SSDEEP

24576:kRmJkcoQricOIQxiZY1ia3BEX7o0wAZbn8DEu94ZcvAm45:hJZoQrbTFZY1iaREXk0wWbT+4+om45

Score

10^/10

darkcomet guest16_min discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

176.31.65.184:1604

Mutex

DCMIN_MUTEX-GMFC3TS

Attributes

InstallPath
DCSCMIN\IMDCSC.exe
gencode
ysRvVVnKt7W8
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_2bd7cd4c15fa82d33dfbbd63fe751be6.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-1-5-21-22591836-1183090055-1220658180-1000\Control Panel\International\Geo\Nation	JaffaCakes118_2bd7cd4c15fa82d33dfbbd63fe751be6.exe

Executes dropped EXE 2 IoCs

pid	Process
1636	IMDCSC.exe
980	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-1-5-21-22591836-1183090055-1220658180-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DarkComet RAT = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe"	JaffaCakes118_2bd7cd4c15fa82d33dfbbd63fe751be6.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/files/0x0007000000023d28-17.dat	autoit_exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 640 set thread context of 3756	640	JaffaCakes118_2bd7cd4c15fa82d33dfbbd63fe751be6.exe	87
PID 1636 set thread context of 980	1636	IMDCSC.exe	89

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_2bd7cd4c15fa82d33dfbbd63fe751be6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IMDCSC.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IMDCSC.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_2bd7cd4c15fa82d33dfbbd63fe751be6.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3756	JaffaCakes118_2bd7cd4c15fa82d33dfbbd63fe751be6.exe
Token: SeSecurityPrivilege	3756	JaffaCakes118_2bd7cd4c15fa82d33dfbbd63fe751be6.exe
Token: SeTakeOwnershipPrivilege	3756	JaffaCakes118_2bd7cd4c15fa82d33dfbbd63fe751be6.exe
Token: SeLoadDriverPrivilege	3756	JaffaCakes118_2bd7cd4c15fa82d33dfbbd63fe751be6.exe
Token: SeSystemProfilePrivilege	3756	JaffaCakes118_2bd7cd4c15fa82d33dfbbd63fe751be6.exe
Token: SeSystemtimePrivilege	3756	JaffaCakes118_2bd7cd4c15fa82d33dfbbd63fe751be6.exe
Token: SeProfSingleProcessPrivilege	3756	JaffaCakes118_2bd7cd4c15fa82d33dfbbd63fe751be6.exe
Token: SeIncBasePriorityPrivilege	3756	JaffaCakes118_2bd7cd4c15fa82d33dfbbd63fe751be6.exe
Token: SeCreatePagefilePrivilege	3756	JaffaCakes118_2bd7cd4c15fa82d33dfbbd63fe751be6.exe
Token: SeBackupPrivilege	3756	JaffaCakes118_2bd7cd4c15fa82d33dfbbd63fe751be6.exe
Token: SeRestorePrivilege	3756	JaffaCakes118_2bd7cd4c15fa82d33dfbbd63fe751be6.exe
Token: SeShutdownPrivilege	3756	JaffaCakes118_2bd7cd4c15fa82d33dfbbd63fe751be6.exe
Token: SeDebugPrivilege	3756	JaffaCakes118_2bd7cd4c15fa82d33dfbbd63fe751be6.exe
Token: SeSystemEnvironmentPrivilege	3756	JaffaCakes118_2bd7cd4c15fa82d33dfbbd63fe751be6.exe
Token: SeChangeNotifyPrivilege	3756	JaffaCakes118_2bd7cd4c15fa82d33dfbbd63fe751be6.exe
Token: SeRemoteShutdownPrivilege	3756	JaffaCakes118_2bd7cd4c15fa82d33dfbbd63fe751be6.exe
Token: SeUndockPrivilege	3756	JaffaCakes118_2bd7cd4c15fa82d33dfbbd63fe751be6.exe
Token: SeManageVolumePrivilege	3756	JaffaCakes118_2bd7cd4c15fa82d33dfbbd63fe751be6.exe
Token: SeImpersonatePrivilege	3756	JaffaCakes118_2bd7cd4c15fa82d33dfbbd63fe751be6.exe
Token: SeCreateGlobalPrivilege	3756	JaffaCakes118_2bd7cd4c15fa82d33dfbbd63fe751be6.exe
Token: 33	3756	JaffaCakes118_2bd7cd4c15fa82d33dfbbd63fe751be6.exe
Token: 34	3756	JaffaCakes118_2bd7cd4c15fa82d33dfbbd63fe751be6.exe
Token: 35	3756	JaffaCakes118_2bd7cd4c15fa82d33dfbbd63fe751be6.exe
Token: 36	3756	JaffaCakes118_2bd7cd4c15fa82d33dfbbd63fe751be6.exe
Token: SeIncreaseQuotaPrivilege	980	IMDCSC.exe
Token: SeSecurityPrivilege	980	IMDCSC.exe
Token: SeTakeOwnershipPrivilege	980	IMDCSC.exe
Token: SeLoadDriverPrivilege	980	IMDCSC.exe
Token: SeSystemProfilePrivilege	980	IMDCSC.exe
Token: SeSystemtimePrivilege	980	IMDCSC.exe
Token: SeProfSingleProcessPrivilege	980	IMDCSC.exe
Token: SeIncBasePriorityPrivilege	980	IMDCSC.exe
Token: SeCreatePagefilePrivilege	980	IMDCSC.exe
Token: SeBackupPrivilege	980	IMDCSC.exe
Token: SeRestorePrivilege	980	IMDCSC.exe
Token: SeShutdownPrivilege	980	IMDCSC.exe
Token: SeDebugPrivilege	980	IMDCSC.exe
Token: SeSystemEnvironmentPrivilege	980	IMDCSC.exe
Token: SeChangeNotifyPrivilege	980	IMDCSC.exe
Token: SeRemoteShutdownPrivilege	980	IMDCSC.exe
Token: SeUndockPrivilege	980	IMDCSC.exe
Token: SeManageVolumePrivilege	980	IMDCSC.exe
Token: SeImpersonatePrivilege	980	IMDCSC.exe
Token: SeCreateGlobalPrivilege	980	IMDCSC.exe
Token: 33	980	IMDCSC.exe
Token: 34	980	IMDCSC.exe
Token: 35	980	IMDCSC.exe
Token: 36	980	IMDCSC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
980	IMDCSC.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 640 wrote to memory of 3756	640	JaffaCakes118_2bd7cd4c15fa82d33dfbbd63fe751be6.exe	87
PID 640 wrote to memory of 3756	640	JaffaCakes118_2bd7cd4c15fa82d33dfbbd63fe751be6.exe	87
PID 640 wrote to memory of 3756	640	JaffaCakes118_2bd7cd4c15fa82d33dfbbd63fe751be6.exe	87
PID 640 wrote to memory of 3756	640	JaffaCakes118_2bd7cd4c15fa82d33dfbbd63fe751be6.exe	87
PID 640 wrote to memory of 3756	640	JaffaCakes118_2bd7cd4c15fa82d33dfbbd63fe751be6.exe	87
PID 3756 wrote to memory of 1636	3756	JaffaCakes118_2bd7cd4c15fa82d33dfbbd63fe751be6.exe	88
PID 3756 wrote to memory of 1636	3756	JaffaCakes118_2bd7cd4c15fa82d33dfbbd63fe751be6.exe	88
PID 3756 wrote to memory of 1636	3756	JaffaCakes118_2bd7cd4c15fa82d33dfbbd63fe751be6.exe	88
PID 1636 wrote to memory of 980	1636	IMDCSC.exe	89
PID 1636 wrote to memory of 980	1636	IMDCSC.exe	89
PID 1636 wrote to memory of 980	1636	IMDCSC.exe	89
PID 1636 wrote to memory of 980	1636	IMDCSC.exe	89
PID 1636 wrote to memory of 980	1636	IMDCSC.exe	89

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2bd7cd4c15fa82d33dfbbd63fe751be6.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2bd7cd4c15fa82d33dfbbd63fe751be6.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:640
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2bd7cd4c15fa82d33dfbbd63fe751be6.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2bd7cd4c15fa82d33dfbbd63fe751be6.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:3756
- - 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:1636
  - - 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:980

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\aut9B17.tmp

Filesize
658KB

MD5
49f223898e90c95b6c98411133a12816

SHA1
afc1731f4a3560f7039018f47a227a6f47714301

SHA256
412ecb8fe3a0e86e6b4e66617aab5bdbcff76f06d529cd7bc6eeba336746ebcd

SHA512
40b8d8e1a268cf801e59c608beefd2bbd028f059586fdb33664def072b7aea34317dd58e80426d543b02e2835f322c70b4b9ef8a12cb121e19e0dcd6f657ef4a

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

Filesize
1.4MB

MD5
2bd7cd4c15fa82d33dfbbd63fe751be6

SHA1
0876eedc0333955f4c471c2cec441e4155e9e71f

SHA256
5918de565bef17006e9b3ec2ef017d786aad4f27f2912fea242d471f52e33652

SHA512
17839fee0efa17e108a909768ca5e195673338177ea7f3b919436fd3c2cfdab8a441eec546337cec04df6f5e3a4017f6885ad855d67cb9f0efbc3a8643ad74f7

Download Submit
memory/980-37-0x00000000000D0000-0x0000000000182000-memory.dmp

Filesize
712KB

Download
memory/980-39-0x00000000000D0000-0x0000000000182000-memory.dmp

Filesize
712KB

Download
memory/980-38-0x00000000000D0000-0x0000000000182000-memory.dmp

Filesize
712KB

Download
memory/980-41-0x00000000000D0000-0x0000000000182000-memory.dmp

Filesize
712KB

Download
memory/3756-7-0x00000000000D0000-0x0000000000182000-memory.dmp

Filesize
712KB

Download
memory/3756-9-0x00000000000D0000-0x0000000000182000-memory.dmp

Filesize
712KB

Download
memory/3756-12-0x00000000027A0000-0x00000000027A1000-memory.dmp

Filesize
4KB

Download
memory/3756-11-0x00000000000D0000-0x0000000000182000-memory.dmp

Filesize
712KB

Download
memory/3756-10-0x00000000000D0000-0x0000000000182000-memory.dmp

Filesize
712KB

Download
memory/3756-40-0x00000000000D0000-0x0000000000182000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads