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

904 vbc.exe
Loads dropped DLL 1 IoCs

Processes:

c5a7fcb90e63d1cf98a4052aa20c5b9aef002919206f333fc6c3d0809e8972bf.exe

pid process

1372 c5a7fcb90e63d1cf98a4052aa20c5b9aef002919206f333fc6c3d0809e8972bf.exe
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

pid	process
904	vbc.exe

pid	process
1372	c5a7fcb90e63d1cf98a4052aa20c5b9aef002919206f333fc6c3d0809e8972bf.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-1-5-21-1214520366-621468234-4062160515-1000\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 1372 set thread context of 904 1372 c5a7fcb90e63d1cf98a4052aa20c5b9aef002919206f333fc6c3d0809e8972bf.exe vbc.exe

description	pid	process	target process
PID 1372 set thread context of 904	1372	c5a7fcb90e63d1cf98a4052aa20c5b9aef002919206f333fc6c3d0809e8972bf.exe	vbc.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

Processes:

vbc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	904	vbc.exe
Token: SeSecurityPrivilege	904	vbc.exe
Token: SeTakeOwnershipPrivilege	904	vbc.exe
Token: SeLoadDriverPrivilege	904	vbc.exe
Token: SeSystemProfilePrivilege	904	vbc.exe
Token: SeSystemtimePrivilege	904	vbc.exe
Token: SeProfSingleProcessPrivilege	904	vbc.exe
Token: SeIncBasePriorityPrivilege	904	vbc.exe
Token: SeCreatePagefilePrivilege	904	vbc.exe
Token: SeBackupPrivilege	904	vbc.exe
Token: SeRestorePrivilege	904	vbc.exe
Token: SeShutdownPrivilege	904	vbc.exe
Token: SeDebugPrivilege	904	vbc.exe
Token: SeSystemEnvironmentPrivilege	904	vbc.exe
Token: SeChangeNotifyPrivilege	904	vbc.exe
Token: SeRemoteShutdownPrivilege	904	vbc.exe
Token: SeUndockPrivilege	904	vbc.exe
Token: SeManageVolumePrivilege	904	vbc.exe
Token: SeImpersonatePrivilege	904	vbc.exe
Token: SeCreateGlobalPrivilege	904	vbc.exe
Token: 33	904	vbc.exe
Token: 34	904	vbc.exe
Token: 35	904	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

vbc.exe

pid process

904 vbc.exe

pid	process
904	vbc.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

c5a7fcb90e63d1cf98a4052aa20c5b9aef002919206f333fc6c3d0809e8972bf.exe

description	pid	process	target process
PID 1372 wrote to memory of 904	1372	c5a7fcb90e63d1cf98a4052aa20c5b9aef002919206f333fc6c3d0809e8972bf.exe	vbc.exe
PID 1372 wrote to memory of 904	1372	c5a7fcb90e63d1cf98a4052aa20c5b9aef002919206f333fc6c3d0809e8972bf.exe	vbc.exe
PID 1372 wrote to memory of 904	1372	c5a7fcb90e63d1cf98a4052aa20c5b9aef002919206f333fc6c3d0809e8972bf.exe	vbc.exe
PID 1372 wrote to memory of 904	1372	c5a7fcb90e63d1cf98a4052aa20c5b9aef002919206f333fc6c3d0809e8972bf.exe	vbc.exe
PID 1372 wrote to memory of 904	1372	c5a7fcb90e63d1cf98a4052aa20c5b9aef002919206f333fc6c3d0809e8972bf.exe	vbc.exe
PID 1372 wrote to memory of 904	1372	c5a7fcb90e63d1cf98a4052aa20c5b9aef002919206f333fc6c3d0809e8972bf.exe	vbc.exe
PID 1372 wrote to memory of 904	1372	c5a7fcb90e63d1cf98a4052aa20c5b9aef002919206f333fc6c3d0809e8972bf.exe	vbc.exe
PID 1372 wrote to memory of 904	1372	c5a7fcb90e63d1cf98a4052aa20c5b9aef002919206f333fc6c3d0809e8972bf.exe	vbc.exe
PID 1372 wrote to memory of 904	1372	c5a7fcb90e63d1cf98a4052aa20c5b9aef002919206f333fc6c3d0809e8972bf.exe	vbc.exe
PID 1372 wrote to memory of 904	1372	c5a7fcb90e63d1cf98a4052aa20c5b9aef002919206f333fc6c3d0809e8972bf.exe	vbc.exe
PID 1372 wrote to memory of 904	1372	c5a7fcb90e63d1cf98a4052aa20c5b9aef002919206f333fc6c3d0809e8972bf.exe	vbc.exe
PID 1372 wrote to memory of 904	1372	c5a7fcb90e63d1cf98a4052aa20c5b9aef002919206f333fc6c3d0809e8972bf.exe	vbc.exe
PID 1372 wrote to memory of 904	1372	c5a7fcb90e63d1cf98a4052aa20c5b9aef002919206f333fc6c3d0809e8972bf.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\c5a7fcb90e63d1cf98a4052aa20c5b9aef002919206f333fc6c3d0809e8972bf.exe
"C:\Users\Admin\AppData\Local\Temp\c5a7fcb90e63d1cf98a4052aa20c5b9aef002919206f333fc6c3d0809e8972bf.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1372

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:904

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
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

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

MD5
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

Download Submit
memory/904-66-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/904-72-0x000000000049F92C-mapping.dmp

Download
memory/904-58-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/904-60-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/904-62-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/904-64-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/904-79-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/904-67-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/904-69-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/904-57-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/904-71-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/904-78-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/904-74-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/904-76-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1372-77-0x0000000074550000-0x0000000074AFB000-memory.dmp

Filesize
5.7MB

Download
memory/1372-55-0x0000000074550000-0x0000000074AFB000-memory.dmp

Filesize
5.7MB

Download
memory/1372-54-0x0000000075D11000-0x0000000075D13000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads