darkcomet | c0c9436da85defdeef4061fdb693bef1f3f5626735a1ec4aa0a6dbefb3ee3b01

General

Target

c0c9436da85defdeef4061fdb693bef1f3f5626735a1ec4aa0a6dbefb3ee3b01.exe
Size

1.3MB
MD5

343484d86828c3b14878e28ea740e11f
SHA1

3e5437fa1399cd137ab421f4b1fa2769e45a2365
SHA256

c0c9436da85defdeef4061fdb693bef1f3f5626735a1ec4aa0a6dbefb3ee3b01
SHA512

036a05982222b95e15b876e45ac6c34419b921508a97d7c7e17e1ea0468d2abd2f3952bd673e290b7c7d43c11968296f1f203c6a4cfdaaac50473d024c1b4b41
SSDEEP

24576:sWUwXMG/GK2U+42gLqWzgFXzbRXKnc+cDGjZmvM:7dcG/b7qWCbRXKncR+mU

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

4556 vbc.exe
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

pid	process
4556	vbc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

c0c9436da85defdeef4061fdb693bef1f3f5626735a1ec4aa0a6dbefb3ee3b01.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WinUpdtr = "C:\\Users\\Admin\\AppData\\Roaming\\WinUpdtr\\c0c9436da85defdeef4061fdb693bef1f3f5626735a1ec4aa0a6dbefb3ee3b01.exe"	c0c9436da85defdeef4061fdb693bef1f3f5626735a1ec4aa0a6dbefb3ee3b01.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

c0c9436da85defdeef4061fdb693bef1f3f5626735a1ec4aa0a6dbefb3ee3b01.exe

description	pid	process	target process
PID 4808 set thread context of 4556	4808	c0c9436da85defdeef4061fdb693bef1f3f5626735a1ec4aa0a6dbefb3ee3b01.exe	vbc.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

vbc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	4556	vbc.exe
Token: SeSecurityPrivilege	4556	vbc.exe
Token: SeTakeOwnershipPrivilege	4556	vbc.exe
Token: SeLoadDriverPrivilege	4556	vbc.exe
Token: SeSystemProfilePrivilege	4556	vbc.exe
Token: SeSystemtimePrivilege	4556	vbc.exe
Token: SeProfSingleProcessPrivilege	4556	vbc.exe
Token: SeIncBasePriorityPrivilege	4556	vbc.exe
Token: SeCreatePagefilePrivilege	4556	vbc.exe
Token: SeBackupPrivilege	4556	vbc.exe
Token: SeRestorePrivilege	4556	vbc.exe
Token: SeShutdownPrivilege	4556	vbc.exe
Token: SeDebugPrivilege	4556	vbc.exe
Token: SeSystemEnvironmentPrivilege	4556	vbc.exe
Token: SeChangeNotifyPrivilege	4556	vbc.exe
Token: SeRemoteShutdownPrivilege	4556	vbc.exe
Token: SeUndockPrivilege	4556	vbc.exe
Token: SeManageVolumePrivilege	4556	vbc.exe
Token: SeImpersonatePrivilege	4556	vbc.exe
Token: SeCreateGlobalPrivilege	4556	vbc.exe
Token: 33	4556	vbc.exe
Token: 34	4556	vbc.exe
Token: 35	4556	vbc.exe
Token: 36	4556	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

vbc.exe

pid process

4556 vbc.exe

pid	process
4556	vbc.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

c0c9436da85defdeef4061fdb693bef1f3f5626735a1ec4aa0a6dbefb3ee3b01.exe

description	pid	process	target process
PID 4808 wrote to memory of 4556	4808	c0c9436da85defdeef4061fdb693bef1f3f5626735a1ec4aa0a6dbefb3ee3b01.exe	vbc.exe
PID 4808 wrote to memory of 4556	4808	c0c9436da85defdeef4061fdb693bef1f3f5626735a1ec4aa0a6dbefb3ee3b01.exe	vbc.exe
PID 4808 wrote to memory of 4556	4808	c0c9436da85defdeef4061fdb693bef1f3f5626735a1ec4aa0a6dbefb3ee3b01.exe	vbc.exe
PID 4808 wrote to memory of 4556	4808	c0c9436da85defdeef4061fdb693bef1f3f5626735a1ec4aa0a6dbefb3ee3b01.exe	vbc.exe
PID 4808 wrote to memory of 4556	4808	c0c9436da85defdeef4061fdb693bef1f3f5626735a1ec4aa0a6dbefb3ee3b01.exe	vbc.exe
PID 4808 wrote to memory of 4556	4808	c0c9436da85defdeef4061fdb693bef1f3f5626735a1ec4aa0a6dbefb3ee3b01.exe	vbc.exe
PID 4808 wrote to memory of 4556	4808	c0c9436da85defdeef4061fdb693bef1f3f5626735a1ec4aa0a6dbefb3ee3b01.exe	vbc.exe
PID 4808 wrote to memory of 4556	4808	c0c9436da85defdeef4061fdb693bef1f3f5626735a1ec4aa0a6dbefb3ee3b01.exe	vbc.exe
PID 4808 wrote to memory of 4556	4808	c0c9436da85defdeef4061fdb693bef1f3f5626735a1ec4aa0a6dbefb3ee3b01.exe	vbc.exe
PID 4808 wrote to memory of 4556	4808	c0c9436da85defdeef4061fdb693bef1f3f5626735a1ec4aa0a6dbefb3ee3b01.exe	vbc.exe
PID 4808 wrote to memory of 4556	4808	c0c9436da85defdeef4061fdb693bef1f3f5626735a1ec4aa0a6dbefb3ee3b01.exe	vbc.exe
PID 4808 wrote to memory of 4556	4808	c0c9436da85defdeef4061fdb693bef1f3f5626735a1ec4aa0a6dbefb3ee3b01.exe	vbc.exe
PID 4808 wrote to memory of 4556	4808	c0c9436da85defdeef4061fdb693bef1f3f5626735a1ec4aa0a6dbefb3ee3b01.exe	vbc.exe
PID 4808 wrote to memory of 4556	4808	c0c9436da85defdeef4061fdb693bef1f3f5626735a1ec4aa0a6dbefb3ee3b01.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\c0c9436da85defdeef4061fdb693bef1f3f5626735a1ec4aa0a6dbefb3ee3b01.exe
"C:\Users\Admin\AppData\Local\Temp\c0c9436da85defdeef4061fdb693bef1f3f5626735a1ec4aa0a6dbefb3ee3b01.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4808

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:4556

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/4556-134-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4556-132-0x0000000000000000-mapping.dmp

Download
memory/4556-137-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4556-139-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4556-141-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4556-142-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4556-143-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4808-133-0x0000000074E10000-0x00000000753C1000-memory.dmp

Filesize
5.7MB

Download
memory/4808-138-0x0000000074E10000-0x00000000753C1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads