darkcomet | 2d2cb66feb848fd2242d7876f4914fa8f4ac7793ba7f416d17fa3d93deaa0fba

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05-03-2024 16:44

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General

Target

b52bb7d593fdfefbf59e3bf21e1b3853.exe
Size

629KB
MD5

b52bb7d593fdfefbf59e3bf21e1b3853
SHA1

247912905107a9a2d0e540f6c026d8fc29d3d480
SHA256

2d2cb66feb848fd2242d7876f4914fa8f4ac7793ba7f416d17fa3d93deaa0fba
SHA512

12ea4eb359dbce559d1a62d42d923f01dc320325e62a9c3befc1ee52ce2e5dd43d45b1e781e121b1ba73c1876b10231b54f5500b05225861471a474a630917ac
SSDEEP

12288:DB0hps3/cUseAZUhmqe77j9ab1Xirk+LGghVgZRYbfwE:DOhO9GZQmqexabYr5L1PgYboE

Score

10^/10

darkcomet guest16_min persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

127.0.0.1:1604

Mutex

DCMIN_MUTEX-5QQ6WPK

Attributes

InstallPath
DCSCMIN\IMDCSC.exe
gencode
JLHXAKF5YbYE
install
true
offline_keylogger
true
persistence
false
reg_key
DarkComet RAT

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat 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"	b52bb7d593fdfefbf59e3bf21e1b3853.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-1-5-21-399997616-3400990511-967324271-1000\Control Panel\International\Geo\Nation	b52bb7d593fdfefbf59e3bf21e1b3853.exe

Executes dropped EXE 2 IoCs

pid	Process
4888	IMDCSC.exe
3796	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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DarkComet RAT = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe"	b52bb7d593fdfefbf59e3bf21e1b3853.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3108 set thread context of 3764	3108	b52bb7d593fdfefbf59e3bf21e1b3853.exe	92
PID 4888 set thread context of 3796	4888	IMDCSC.exe	95

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 50 IoCs

description	pid	Process
Token: SeDebugPrivilege	3108	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: SeIncreaseQuotaPrivilege	3764	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: SeSecurityPrivilege	3764	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: SeTakeOwnershipPrivilege	3764	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: SeLoadDriverPrivilege	3764	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: SeSystemProfilePrivilege	3764	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: SeSystemtimePrivilege	3764	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: SeProfSingleProcessPrivilege	3764	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: SeIncBasePriorityPrivilege	3764	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: SeCreatePagefilePrivilege	3764	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: SeBackupPrivilege	3764	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: SeRestorePrivilege	3764	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: SeShutdownPrivilege	3764	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: SeDebugPrivilege	3764	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: SeSystemEnvironmentPrivilege	3764	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: SeChangeNotifyPrivilege	3764	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: SeRemoteShutdownPrivilege	3764	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: SeUndockPrivilege	3764	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: SeManageVolumePrivilege	3764	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: SeImpersonatePrivilege	3764	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: SeCreateGlobalPrivilege	3764	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: 33	3764	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: 34	3764	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: 35	3764	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: 36	3764	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: SeDebugPrivilege	4888	IMDCSC.exe
Token: SeIncreaseQuotaPrivilege	3796	IMDCSC.exe
Token: SeSecurityPrivilege	3796	IMDCSC.exe
Token: SeTakeOwnershipPrivilege	3796	IMDCSC.exe
Token: SeLoadDriverPrivilege	3796	IMDCSC.exe
Token: SeSystemProfilePrivilege	3796	IMDCSC.exe
Token: SeSystemtimePrivilege	3796	IMDCSC.exe
Token: SeProfSingleProcessPrivilege	3796	IMDCSC.exe
Token: SeIncBasePriorityPrivilege	3796	IMDCSC.exe
Token: SeCreatePagefilePrivilege	3796	IMDCSC.exe
Token: SeBackupPrivilege	3796	IMDCSC.exe
Token: SeRestorePrivilege	3796	IMDCSC.exe
Token: SeShutdownPrivilege	3796	IMDCSC.exe
Token: SeDebugPrivilege	3796	IMDCSC.exe
Token: SeSystemEnvironmentPrivilege	3796	IMDCSC.exe
Token: SeChangeNotifyPrivilege	3796	IMDCSC.exe
Token: SeRemoteShutdownPrivilege	3796	IMDCSC.exe
Token: SeUndockPrivilege	3796	IMDCSC.exe
Token: SeManageVolumePrivilege	3796	IMDCSC.exe
Token: SeImpersonatePrivilege	3796	IMDCSC.exe
Token: SeCreateGlobalPrivilege	3796	IMDCSC.exe
Token: 33	3796	IMDCSC.exe
Token: 34	3796	IMDCSC.exe
Token: 35	3796	IMDCSC.exe
Token: 36	3796	IMDCSC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3796	IMDCSC.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 3108 wrote to memory of 3764	3108	b52bb7d593fdfefbf59e3bf21e1b3853.exe	92
PID 3108 wrote to memory of 3764	3108	b52bb7d593fdfefbf59e3bf21e1b3853.exe	92
PID 3108 wrote to memory of 3764	3108	b52bb7d593fdfefbf59e3bf21e1b3853.exe	92
PID 3108 wrote to memory of 3764	3108	b52bb7d593fdfefbf59e3bf21e1b3853.exe	92
PID 3108 wrote to memory of 3764	3108	b52bb7d593fdfefbf59e3bf21e1b3853.exe	92
PID 3108 wrote to memory of 3764	3108	b52bb7d593fdfefbf59e3bf21e1b3853.exe	92
PID 3108 wrote to memory of 3764	3108	b52bb7d593fdfefbf59e3bf21e1b3853.exe	92
PID 3108 wrote to memory of 3764	3108	b52bb7d593fdfefbf59e3bf21e1b3853.exe	92
PID 3108 wrote to memory of 3764	3108	b52bb7d593fdfefbf59e3bf21e1b3853.exe	92
PID 3108 wrote to memory of 3764	3108	b52bb7d593fdfefbf59e3bf21e1b3853.exe	92
PID 3108 wrote to memory of 3764	3108	b52bb7d593fdfefbf59e3bf21e1b3853.exe	92
PID 3108 wrote to memory of 3764	3108	b52bb7d593fdfefbf59e3bf21e1b3853.exe	92
PID 3108 wrote to memory of 3764	3108	b52bb7d593fdfefbf59e3bf21e1b3853.exe	92
PID 3108 wrote to memory of 3764	3108	b52bb7d593fdfefbf59e3bf21e1b3853.exe	92
PID 3764 wrote to memory of 4888	3764	b52bb7d593fdfefbf59e3bf21e1b3853.exe	93
PID 3764 wrote to memory of 4888	3764	b52bb7d593fdfefbf59e3bf21e1b3853.exe	93
PID 3764 wrote to memory of 4888	3764	b52bb7d593fdfefbf59e3bf21e1b3853.exe	93
PID 4888 wrote to memory of 3796	4888	IMDCSC.exe	95
PID 4888 wrote to memory of 3796	4888	IMDCSC.exe	95
PID 4888 wrote to memory of 3796	4888	IMDCSC.exe	95
PID 4888 wrote to memory of 3796	4888	IMDCSC.exe	95
PID 4888 wrote to memory of 3796	4888	IMDCSC.exe	95
PID 4888 wrote to memory of 3796	4888	IMDCSC.exe	95
PID 4888 wrote to memory of 3796	4888	IMDCSC.exe	95
PID 4888 wrote to memory of 3796	4888	IMDCSC.exe	95
PID 4888 wrote to memory of 3796	4888	IMDCSC.exe	95
PID 4888 wrote to memory of 3796	4888	IMDCSC.exe	95
PID 4888 wrote to memory of 3796	4888	IMDCSC.exe	95
PID 4888 wrote to memory of 3796	4888	IMDCSC.exe	95
PID 4888 wrote to memory of 3796	4888	IMDCSC.exe	95
PID 4888 wrote to memory of 3796	4888	IMDCSC.exe	95

C:\Users\Admin\AppData\Local\Temp\b52bb7d593fdfefbf59e3bf21e1b3853.exe
"C:\Users\Admin\AppData\Local\Temp\b52bb7d593fdfefbf59e3bf21e1b3853.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3108
- C:\Users\Admin\AppData\Local\Temp\b52bb7d593fdfefbf59e3bf21e1b3853.exe
  C:\Users\Admin\AppData\Local\Temp\b52bb7d593fdfefbf59e3bf21e1b3853.exe
  2⤵
  - Modifies WinLogon for persistence
  - Checks computer location settings
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3764
- - C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
    "C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4888
  - - C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
      C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:3796

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
629KB

MD5
b52bb7d593fdfefbf59e3bf21e1b3853

SHA1
247912905107a9a2d0e540f6c026d8fc29d3d480

SHA256
2d2cb66feb848fd2242d7876f4914fa8f4ac7793ba7f416d17fa3d93deaa0fba

SHA512
12ea4eb359dbce559d1a62d42d923f01dc320325e62a9c3befc1ee52ce2e5dd43d45b1e781e121b1ba73c1876b10231b54f5500b05225861471a474a630917ac

Download Submit
memory/3108-1-0x0000000000A90000-0x0000000000AA0000-memory.dmp

Filesize
64KB

Download
memory/3108-2-0x0000000075010000-0x00000000755C1000-memory.dmp

Filesize
5.7MB

Download
memory/3108-7-0x0000000075010000-0x00000000755C1000-memory.dmp

Filesize
5.7MB

Download
memory/3108-0-0x0000000075010000-0x00000000755C1000-memory.dmp

Filesize
5.7MB

Download
memory/3764-24-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3764-3-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3764-5-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3764-6-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3764-8-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3764-9-0x00000000022C0000-0x00000000022C1000-memory.dmp

Filesize
4KB

Download
memory/3796-30-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3796-36-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3796-50-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3796-49-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3796-48-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3796-32-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3796-34-0x0000000002170000-0x0000000002171000-memory.dmp

Filesize
4KB

Download
memory/3796-33-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3796-35-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3796-47-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3796-37-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3796-40-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3796-41-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3796-42-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3796-44-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3796-46-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4888-23-0x0000000074120000-0x00000000746D1000-memory.dmp

Filesize
5.7MB

Download
memory/4888-31-0x0000000074120000-0x00000000746D1000-memory.dmp

Filesize
5.7MB

Download
memory/4888-21-0x0000000074120000-0x00000000746D1000-memory.dmp

Filesize
5.7MB

Download
memory/4888-22-0x00000000009B0000-0x00000000009C0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads