darkcomet | 2d2cb66feb848fd2242d7876f4914fa8f4ac7793ba7f416d17fa3d93deaa0fba

Analysis

max time kernel
150s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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

Executes dropped EXE 2 IoCs

pid	Process
2652	IMDCSC.exe
2404	IMDCSC.exe

Loads dropped DLL 2 IoCs

pid	Process
1740	b52bb7d593fdfefbf59e3bf21e1b3853.exe
1740	b52bb7d593fdfefbf59e3bf21e1b3853.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-1-5-21-1650401615-1019878084-3673944445-1000\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 2688 set thread context of 1740	2688	b52bb7d593fdfefbf59e3bf21e1b3853.exe	28
PID 2652 set thread context of 2404	2652	IMDCSC.exe	30

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeDebugPrivilege	2688	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: SeIncreaseQuotaPrivilege	1740	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: SeSecurityPrivilege	1740	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: SeTakeOwnershipPrivilege	1740	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: SeLoadDriverPrivilege	1740	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: SeSystemProfilePrivilege	1740	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: SeSystemtimePrivilege	1740	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: SeProfSingleProcessPrivilege	1740	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: SeIncBasePriorityPrivilege	1740	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: SeCreatePagefilePrivilege	1740	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: SeBackupPrivilege	1740	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: SeRestorePrivilege	1740	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: SeShutdownPrivilege	1740	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: SeDebugPrivilege	1740	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: SeSystemEnvironmentPrivilege	1740	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: SeChangeNotifyPrivilege	1740	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: SeRemoteShutdownPrivilege	1740	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: SeUndockPrivilege	1740	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: SeManageVolumePrivilege	1740	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: SeImpersonatePrivilege	1740	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: SeCreateGlobalPrivilege	1740	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: 33	1740	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: 34	1740	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: 35	1740	b52bb7d593fdfefbf59e3bf21e1b3853.exe
Token: SeDebugPrivilege	2652	IMDCSC.exe
Token: SeIncreaseQuotaPrivilege	2404	IMDCSC.exe
Token: SeSecurityPrivilege	2404	IMDCSC.exe
Token: SeTakeOwnershipPrivilege	2404	IMDCSC.exe
Token: SeLoadDriverPrivilege	2404	IMDCSC.exe
Token: SeSystemProfilePrivilege	2404	IMDCSC.exe
Token: SeSystemtimePrivilege	2404	IMDCSC.exe
Token: SeProfSingleProcessPrivilege	2404	IMDCSC.exe
Token: SeIncBasePriorityPrivilege	2404	IMDCSC.exe
Token: SeCreatePagefilePrivilege	2404	IMDCSC.exe
Token: SeBackupPrivilege	2404	IMDCSC.exe
Token: SeRestorePrivilege	2404	IMDCSC.exe
Token: SeShutdownPrivilege	2404	IMDCSC.exe
Token: SeDebugPrivilege	2404	IMDCSC.exe
Token: SeSystemEnvironmentPrivilege	2404	IMDCSC.exe
Token: SeChangeNotifyPrivilege	2404	IMDCSC.exe
Token: SeRemoteShutdownPrivilege	2404	IMDCSC.exe
Token: SeUndockPrivilege	2404	IMDCSC.exe
Token: SeManageVolumePrivilege	2404	IMDCSC.exe
Token: SeImpersonatePrivilege	2404	IMDCSC.exe
Token: SeCreateGlobalPrivilege	2404	IMDCSC.exe
Token: 33	2404	IMDCSC.exe
Token: 34	2404	IMDCSC.exe
Token: 35	2404	IMDCSC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2404	IMDCSC.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 1740	2688	b52bb7d593fdfefbf59e3bf21e1b3853.exe	28
PID 2688 wrote to memory of 1740	2688	b52bb7d593fdfefbf59e3bf21e1b3853.exe	28
PID 2688 wrote to memory of 1740	2688	b52bb7d593fdfefbf59e3bf21e1b3853.exe	28
PID 2688 wrote to memory of 1740	2688	b52bb7d593fdfefbf59e3bf21e1b3853.exe	28
PID 2688 wrote to memory of 1740	2688	b52bb7d593fdfefbf59e3bf21e1b3853.exe	28
PID 2688 wrote to memory of 1740	2688	b52bb7d593fdfefbf59e3bf21e1b3853.exe	28
PID 2688 wrote to memory of 1740	2688	b52bb7d593fdfefbf59e3bf21e1b3853.exe	28
PID 2688 wrote to memory of 1740	2688	b52bb7d593fdfefbf59e3bf21e1b3853.exe	28
PID 2688 wrote to memory of 1740	2688	b52bb7d593fdfefbf59e3bf21e1b3853.exe	28
PID 2688 wrote to memory of 1740	2688	b52bb7d593fdfefbf59e3bf21e1b3853.exe	28
PID 2688 wrote to memory of 1740	2688	b52bb7d593fdfefbf59e3bf21e1b3853.exe	28
PID 2688 wrote to memory of 1740	2688	b52bb7d593fdfefbf59e3bf21e1b3853.exe	28
PID 2688 wrote to memory of 1740	2688	b52bb7d593fdfefbf59e3bf21e1b3853.exe	28
PID 1740 wrote to memory of 2652	1740	b52bb7d593fdfefbf59e3bf21e1b3853.exe	29
PID 1740 wrote to memory of 2652	1740	b52bb7d593fdfefbf59e3bf21e1b3853.exe	29
PID 1740 wrote to memory of 2652	1740	b52bb7d593fdfefbf59e3bf21e1b3853.exe	29
PID 1740 wrote to memory of 2652	1740	b52bb7d593fdfefbf59e3bf21e1b3853.exe	29
PID 2652 wrote to memory of 2404	2652	IMDCSC.exe	30
PID 2652 wrote to memory of 2404	2652	IMDCSC.exe	30
PID 2652 wrote to memory of 2404	2652	IMDCSC.exe	30
PID 2652 wrote to memory of 2404	2652	IMDCSC.exe	30
PID 2652 wrote to memory of 2404	2652	IMDCSC.exe	30
PID 2652 wrote to memory of 2404	2652	IMDCSC.exe	30
PID 2652 wrote to memory of 2404	2652	IMDCSC.exe	30
PID 2652 wrote to memory of 2404	2652	IMDCSC.exe	30
PID 2652 wrote to memory of 2404	2652	IMDCSC.exe	30
PID 2652 wrote to memory of 2404	2652	IMDCSC.exe	30
PID 2652 wrote to memory of 2404	2652	IMDCSC.exe	30
PID 2652 wrote to memory of 2404	2652	IMDCSC.exe	30
PID 2652 wrote to memory of 2404	2652	IMDCSC.exe	30

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:2688
- C:\Users\Admin\AppData\Local\Temp\b52bb7d593fdfefbf59e3bf21e1b3853.exe
  C:\Users\Admin\AppData\Local\Temp\b52bb7d593fdfefbf59e3bf21e1b3853.exe
  2⤵
  - Modifies WinLogon for persistence
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1740
- - 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:2652
  - - 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:2404

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
629KB

MD5
b52bb7d593fdfefbf59e3bf21e1b3853

SHA1
247912905107a9a2d0e540f6c026d8fc29d3d480

SHA256
2d2cb66feb848fd2242d7876f4914fa8f4ac7793ba7f416d17fa3d93deaa0fba

SHA512
12ea4eb359dbce559d1a62d42d923f01dc320325e62a9c3befc1ee52ce2e5dd43d45b1e781e121b1ba73c1876b10231b54f5500b05225861471a474a630917ac

Download Submit
memory/1740-21-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1740-22-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1740-20-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1740-5-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1740-6-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1740-8-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1740-10-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1740-12-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1740-13-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1740-14-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1740-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1740-17-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1740-18-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1740-36-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1740-3-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2404-65-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2404-58-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2404-63-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2404-61-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2404-60-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2404-59-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2404-57-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2404-55-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2652-56-0x0000000074BD0000-0x000000007517B000-memory.dmp

Filesize
5.7MB

Download
memory/2652-35-0x0000000074BD0000-0x000000007517B000-memory.dmp

Filesize
5.7MB

Download
memory/2652-34-0x0000000001F50000-0x0000000001F90000-memory.dmp

Filesize
256KB

Download
memory/2652-33-0x0000000074BD0000-0x000000007517B000-memory.dmp

Filesize
5.7MB

Download
memory/2688-19-0x0000000074D50000-0x00000000752FB000-memory.dmp

Filesize
5.7MB

Download
memory/2688-2-0x0000000001FE0000-0x0000000002020000-memory.dmp

Filesize
256KB

Download
memory/2688-1-0x0000000074D50000-0x00000000752FB000-memory.dmp

Filesize
5.7MB

Download
memory/2688-0-0x0000000074D50000-0x00000000752FB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads