darkcomet | c5a7fcb90e63d1cf98a4052aa20c5b9aef002919206f333fc6c3d0809e8972bf

General

Target

c5a7fcb90e63d1cf98a4052aa20c5b9aef002919206f333fc6c3d0809e8972bf.exe
Size

1.1MB
MD5

dbfc593199674df4b9db5ae1e2f93897
SHA1

4c700c10fd95a68d7e3f661f4ebd788f80e1ce03
SHA256

c5a7fcb90e63d1cf98a4052aa20c5b9aef002919206f333fc6c3d0809e8972bf
SHA512

1e894994a5edae0e8bc15f0971599cae0fbfb1573fdd4aa483e77897bd3c54c76b8a13d0c73b2127f06844d208e55be78e61e2c8a1bc1acca797634f99a726d2
SSDEEP

12288:IvQejwyA0DBRbsGazSViOAe1oY/P4QxFRQuB57wlQ6hVfzc0kWpLquJrIwVIEK2E:eZBiCf8l1J5I83lkj8ROrT

Score

10^/10

darkcomet persistence rat trojan

Malware Config

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Executes dropped EXE 1 IoCs

Processes:

vbc.exe

pid process

4028 vbc.exe
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

pid	process
4028	vbc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

c5a7fcb90e63d1cf98a4052aa20c5b9aef002919206f333fc6c3d0809e8972bf.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WinUpdtr = "C:\\Users\\Admin\\AppData\\Roaming\\WinUpdtr\\c5a7fcb90e63d1cf98a4052aa20c5b9aef002919206f333fc6c3d0809e8972bf.exe"	c5a7fcb90e63d1cf98a4052aa20c5b9aef002919206f333fc6c3d0809e8972bf.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

c5a7fcb90e63d1cf98a4052aa20c5b9aef002919206f333fc6c3d0809e8972bf.exe

description	pid	process	target process
PID 3416 set thread context of 4028	3416	c5a7fcb90e63d1cf98a4052aa20c5b9aef002919206f333fc6c3d0809e8972bf.exe	vbc.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

vbc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	4028	vbc.exe
Token: SeSecurityPrivilege	4028	vbc.exe
Token: SeTakeOwnershipPrivilege	4028	vbc.exe
Token: SeLoadDriverPrivilege	4028	vbc.exe
Token: SeSystemProfilePrivilege	4028	vbc.exe
Token: SeSystemtimePrivilege	4028	vbc.exe
Token: SeProfSingleProcessPrivilege	4028	vbc.exe
Token: SeIncBasePriorityPrivilege	4028	vbc.exe
Token: SeCreatePagefilePrivilege	4028	vbc.exe
Token: SeBackupPrivilege	4028	vbc.exe
Token: SeRestorePrivilege	4028	vbc.exe
Token: SeShutdownPrivilege	4028	vbc.exe
Token: SeDebugPrivilege	4028	vbc.exe
Token: SeSystemEnvironmentPrivilege	4028	vbc.exe
Token: SeChangeNotifyPrivilege	4028	vbc.exe
Token: SeRemoteShutdownPrivilege	4028	vbc.exe
Token: SeUndockPrivilege	4028	vbc.exe
Token: SeManageVolumePrivilege	4028	vbc.exe
Token: SeImpersonatePrivilege	4028	vbc.exe
Token: SeCreateGlobalPrivilege	4028	vbc.exe
Token: 33	4028	vbc.exe
Token: 34	4028	vbc.exe
Token: 35	4028	vbc.exe
Token: 36	4028	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

vbc.exe

pid process

4028 vbc.exe

pid	process
4028	vbc.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

c5a7fcb90e63d1cf98a4052aa20c5b9aef002919206f333fc6c3d0809e8972bf.exe

description	pid	process	target process
PID 3416 wrote to memory of 4028	3416	c5a7fcb90e63d1cf98a4052aa20c5b9aef002919206f333fc6c3d0809e8972bf.exe	vbc.exe
PID 3416 wrote to memory of 4028	3416	c5a7fcb90e63d1cf98a4052aa20c5b9aef002919206f333fc6c3d0809e8972bf.exe	vbc.exe
PID 3416 wrote to memory of 4028	3416	c5a7fcb90e63d1cf98a4052aa20c5b9aef002919206f333fc6c3d0809e8972bf.exe	vbc.exe
PID 3416 wrote to memory of 4028	3416	c5a7fcb90e63d1cf98a4052aa20c5b9aef002919206f333fc6c3d0809e8972bf.exe	vbc.exe
PID 3416 wrote to memory of 4028	3416	c5a7fcb90e63d1cf98a4052aa20c5b9aef002919206f333fc6c3d0809e8972bf.exe	vbc.exe
PID 3416 wrote to memory of 4028	3416	c5a7fcb90e63d1cf98a4052aa20c5b9aef002919206f333fc6c3d0809e8972bf.exe	vbc.exe
PID 3416 wrote to memory of 4028	3416	c5a7fcb90e63d1cf98a4052aa20c5b9aef002919206f333fc6c3d0809e8972bf.exe	vbc.exe
PID 3416 wrote to memory of 4028	3416	c5a7fcb90e63d1cf98a4052aa20c5b9aef002919206f333fc6c3d0809e8972bf.exe	vbc.exe
PID 3416 wrote to memory of 4028	3416	c5a7fcb90e63d1cf98a4052aa20c5b9aef002919206f333fc6c3d0809e8972bf.exe	vbc.exe
PID 3416 wrote to memory of 4028	3416	c5a7fcb90e63d1cf98a4052aa20c5b9aef002919206f333fc6c3d0809e8972bf.exe	vbc.exe
PID 3416 wrote to memory of 4028	3416	c5a7fcb90e63d1cf98a4052aa20c5b9aef002919206f333fc6c3d0809e8972bf.exe	vbc.exe
PID 3416 wrote to memory of 4028	3416	c5a7fcb90e63d1cf98a4052aa20c5b9aef002919206f333fc6c3d0809e8972bf.exe	vbc.exe
PID 3416 wrote to memory of 4028	3416	c5a7fcb90e63d1cf98a4052aa20c5b9aef002919206f333fc6c3d0809e8972bf.exe	vbc.exe
PID 3416 wrote to memory of 4028	3416	c5a7fcb90e63d1cf98a4052aa20c5b9aef002919206f333fc6c3d0809e8972bf.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\c5a7fcb90e63d1cf98a4052aa20c5b9aef002919206f333fc6c3d0809e8972bf.exe
"C:\Users\Admin\AppData\Local\Temp\c5a7fcb90e63d1cf98a4052aa20c5b9aef002919206f333fc6c3d0809e8972bf.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3416

C:\Users\Admin\AppData\Local\Temp\vbc.exe
C:\Users\Admin\AppData\Local\Temp\vbc.exe
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4028

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Scripting

1

T1064

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\vbc.exe
Filesize
1.1MB

MD5
d881de17aa8f2e2c08cbb7b265f928f9

SHA1
08936aebc87decf0af6e8eada191062b5e65ac2a

SHA256
b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

SHA512
5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc.exe
Filesize
1.1MB

MD5
d881de17aa8f2e2c08cbb7b265f928f9

SHA1
08936aebc87decf0af6e8eada191062b5e65ac2a

SHA256
b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

SHA512
5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

Download Submit
memory/3416-132-0x0000000074A80000-0x0000000075031000-memory.dmp

Filesize
5.7MB

Download
memory/3416-138-0x0000000074A80000-0x0000000075031000-memory.dmp

Filesize
5.7MB

Download
memory/4028-133-0x0000000000000000-mapping.dmp

Download
memory/4028-134-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4028-137-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4028-139-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4028-141-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4028-142-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4028-143-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads