darkcomet | 296cb3364d353b8551ec67c19de24092668ef3a6efc9aa18c5270d718a633a66

General

Target

296cb3364d353b8551ec67c19de24092668ef3a6efc9aa18c5270d718a633a66.exe
Size

940KB
MD5

1cb7616efb8582716addeff1cf9adaab
SHA1

1e6c42e3ae1e81e11d12e562fb260900d44ac4a3
SHA256

296cb3364d353b8551ec67c19de24092668ef3a6efc9aa18c5270d718a633a66
SHA512

610305546e739e291b8a0c335742a240ecc90c871dd7588caf91c2df75d4363cb8074c3eebe002b560d2cb58f5f679eac93ac443952d7806998cada0943bef1a
SSDEEP

12288:t6B84kuYsrNUe4Iy0fKRmTLy2hKfL/LKrknu+JWsGKmVjoYphrYZ3Mk98bQGvzZo:t6B8lujmt/fLkYL1KoW1zZToa1dS

Score

10^/10

darkcomet fb persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

FB

C2

drweb78.Nno-ip.org:1604

Mutex

DCMIN_MUTEX-VR87S85

Attributes

gencode
FoYxDt2iKzaq
install
false
offline_keylogger
true
persistence
false

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet

Executes dropped EXE 1 IoCs

pid	Process
368	Service.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Google = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Google\\Chrome.exe"	296cb3364d353b8551ec67c19de24092668ef3a6efc9aa18c5270d718a633a66.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4260 set thread context of 368	4260	296cb3364d353b8551ec67c19de24092668ef3a6efc9aa18c5270d718a633a66.exe	83

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4260	296cb3364d353b8551ec67c19de24092668ef3a6efc9aa18c5270d718a633a66.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	4260	296cb3364d353b8551ec67c19de24092668ef3a6efc9aa18c5270d718a633a66.exe
Token: SeIncreaseQuotaPrivilege	368	Service.exe
Token: SeSecurityPrivilege	368	Service.exe
Token: SeTakeOwnershipPrivilege	368	Service.exe
Token: SeLoadDriverPrivilege	368	Service.exe
Token: SeSystemProfilePrivilege	368	Service.exe
Token: SeSystemtimePrivilege	368	Service.exe
Token: SeProfSingleProcessPrivilege	368	Service.exe
Token: SeIncBasePriorityPrivilege	368	Service.exe
Token: SeCreatePagefilePrivilege	368	Service.exe
Token: SeBackupPrivilege	368	Service.exe
Token: SeRestorePrivilege	368	Service.exe
Token: SeShutdownPrivilege	368	Service.exe
Token: SeDebugPrivilege	368	Service.exe
Token: SeSystemEnvironmentPrivilege	368	Service.exe
Token: SeChangeNotifyPrivilege	368	Service.exe
Token: SeRemoteShutdownPrivilege	368	Service.exe
Token: SeUndockPrivilege	368	Service.exe
Token: SeManageVolumePrivilege	368	Service.exe
Token: SeImpersonatePrivilege	368	Service.exe
Token: SeCreateGlobalPrivilege	368	Service.exe
Token: 33	368	Service.exe
Token: 34	368	Service.exe
Token: 35	368	Service.exe
Token: 36	368	Service.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
368	Service.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4260 wrote to memory of 368	4260	296cb3364d353b8551ec67c19de24092668ef3a6efc9aa18c5270d718a633a66.exe	83
PID 4260 wrote to memory of 368	4260	296cb3364d353b8551ec67c19de24092668ef3a6efc9aa18c5270d718a633a66.exe	83
PID 4260 wrote to memory of 368	4260	296cb3364d353b8551ec67c19de24092668ef3a6efc9aa18c5270d718a633a66.exe	83
PID 4260 wrote to memory of 368	4260	296cb3364d353b8551ec67c19de24092668ef3a6efc9aa18c5270d718a633a66.exe	83
PID 4260 wrote to memory of 368	4260	296cb3364d353b8551ec67c19de24092668ef3a6efc9aa18c5270d718a633a66.exe	83
PID 4260 wrote to memory of 368	4260	296cb3364d353b8551ec67c19de24092668ef3a6efc9aa18c5270d718a633a66.exe	83
PID 4260 wrote to memory of 368	4260	296cb3364d353b8551ec67c19de24092668ef3a6efc9aa18c5270d718a633a66.exe	83
PID 4260 wrote to memory of 368	4260	296cb3364d353b8551ec67c19de24092668ef3a6efc9aa18c5270d718a633a66.exe	83
PID 4260 wrote to memory of 368	4260	296cb3364d353b8551ec67c19de24092668ef3a6efc9aa18c5270d718a633a66.exe	83
PID 4260 wrote to memory of 368	4260	296cb3364d353b8551ec67c19de24092668ef3a6efc9aa18c5270d718a633a66.exe	83
PID 4260 wrote to memory of 368	4260	296cb3364d353b8551ec67c19de24092668ef3a6efc9aa18c5270d718a633a66.exe	83
PID 4260 wrote to memory of 368	4260	296cb3364d353b8551ec67c19de24092668ef3a6efc9aa18c5270d718a633a66.exe	83
PID 4260 wrote to memory of 368	4260	296cb3364d353b8551ec67c19de24092668ef3a6efc9aa18c5270d718a633a66.exe	83
PID 4260 wrote to memory of 368	4260	296cb3364d353b8551ec67c19de24092668ef3a6efc9aa18c5270d718a633a66.exe	83

C:\Users\Admin\AppData\Local\Temp\296cb3364d353b8551ec67c19de24092668ef3a6efc9aa18c5270d718a633a66.exe
"C:\Users\Admin\AppData\Local\Temp\296cb3364d353b8551ec67c19de24092668ef3a6efc9aa18c5270d718a633a66.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4260
- C:\Users\Admin\AppData\Local\Temp\Service.exe
  C:\Users\Admin\AppData\Local\Temp\Service.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:368

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Service.exe

Filesize
940KB

MD5
1cb7616efb8582716addeff1cf9adaab

SHA1
1e6c42e3ae1e81e11d12e562fb260900d44ac4a3

SHA256
296cb3364d353b8551ec67c19de24092668ef3a6efc9aa18c5270d718a633a66

SHA512
610305546e739e291b8a0c335742a240ecc90c871dd7588caf91c2df75d4363cb8074c3eebe002b560d2cb58f5f679eac93ac443952d7806998cada0943bef1a

Download Submit
C:\Users\Admin\AppData\Local\Temp\Service.exe

Filesize
940KB

MD5
1cb7616efb8582716addeff1cf9adaab

SHA1
1e6c42e3ae1e81e11d12e562fb260900d44ac4a3

SHA256
296cb3364d353b8551ec67c19de24092668ef3a6efc9aa18c5270d718a633a66

SHA512
610305546e739e291b8a0c335742a240ecc90c871dd7588caf91c2df75d4363cb8074c3eebe002b560d2cb58f5f679eac93ac443952d7806998cada0943bef1a

Download Submit
memory/368-133-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/368-136-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/368-137-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/368-139-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/368-142-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/368-143-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4260-140-0x0000000075190000-0x0000000075741000-memory.dmp

Filesize
5.7MB

Download
memory/4260-141-0x0000000075190000-0x0000000075741000-memory.dmp

Filesize
5.7MB

Download

Analysis

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