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

1728 vbc.exe
Loads dropped DLL 1 IoCs

Processes:

c0c9436da85defdeef4061fdb693bef1f3f5626735a1ec4aa0a6dbefb3ee3b01.exe

pid process

1564 c0c9436da85defdeef4061fdb693bef1f3f5626735a1ec4aa0a6dbefb3ee3b01.exe
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

pid	process
1728	vbc.exe

pid	process
1564	c0c9436da85defdeef4061fdb693bef1f3f5626735a1ec4aa0a6dbefb3ee3b01.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-1-5-21-3845472200-3839195424-595303356-1000\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 1564 set thread context of 1728	1564	c0c9436da85defdeef4061fdb693bef1f3f5626735a1ec4aa0a6dbefb3ee3b01.exe	vbc.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

Processes:

vbc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	1728	vbc.exe
Token: SeSecurityPrivilege	1728	vbc.exe
Token: SeTakeOwnershipPrivilege	1728	vbc.exe
Token: SeLoadDriverPrivilege	1728	vbc.exe
Token: SeSystemProfilePrivilege	1728	vbc.exe
Token: SeSystemtimePrivilege	1728	vbc.exe
Token: SeProfSingleProcessPrivilege	1728	vbc.exe
Token: SeIncBasePriorityPrivilege	1728	vbc.exe
Token: SeCreatePagefilePrivilege	1728	vbc.exe
Token: SeBackupPrivilege	1728	vbc.exe
Token: SeRestorePrivilege	1728	vbc.exe
Token: SeShutdownPrivilege	1728	vbc.exe
Token: SeDebugPrivilege	1728	vbc.exe
Token: SeSystemEnvironmentPrivilege	1728	vbc.exe
Token: SeChangeNotifyPrivilege	1728	vbc.exe
Token: SeRemoteShutdownPrivilege	1728	vbc.exe
Token: SeUndockPrivilege	1728	vbc.exe
Token: SeManageVolumePrivilege	1728	vbc.exe
Token: SeImpersonatePrivilege	1728	vbc.exe
Token: SeCreateGlobalPrivilege	1728	vbc.exe
Token: 33	1728	vbc.exe
Token: 34	1728	vbc.exe
Token: 35	1728	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

vbc.exe

pid process

1728 vbc.exe

pid	process
1728	vbc.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

c0c9436da85defdeef4061fdb693bef1f3f5626735a1ec4aa0a6dbefb3ee3b01.exe

description	pid	process	target process
PID 1564 wrote to memory of 1728	1564	c0c9436da85defdeef4061fdb693bef1f3f5626735a1ec4aa0a6dbefb3ee3b01.exe	vbc.exe
PID 1564 wrote to memory of 1728	1564	c0c9436da85defdeef4061fdb693bef1f3f5626735a1ec4aa0a6dbefb3ee3b01.exe	vbc.exe
PID 1564 wrote to memory of 1728	1564	c0c9436da85defdeef4061fdb693bef1f3f5626735a1ec4aa0a6dbefb3ee3b01.exe	vbc.exe
PID 1564 wrote to memory of 1728	1564	c0c9436da85defdeef4061fdb693bef1f3f5626735a1ec4aa0a6dbefb3ee3b01.exe	vbc.exe
PID 1564 wrote to memory of 1728	1564	c0c9436da85defdeef4061fdb693bef1f3f5626735a1ec4aa0a6dbefb3ee3b01.exe	vbc.exe
PID 1564 wrote to memory of 1728	1564	c0c9436da85defdeef4061fdb693bef1f3f5626735a1ec4aa0a6dbefb3ee3b01.exe	vbc.exe
PID 1564 wrote to memory of 1728	1564	c0c9436da85defdeef4061fdb693bef1f3f5626735a1ec4aa0a6dbefb3ee3b01.exe	vbc.exe
PID 1564 wrote to memory of 1728	1564	c0c9436da85defdeef4061fdb693bef1f3f5626735a1ec4aa0a6dbefb3ee3b01.exe	vbc.exe
PID 1564 wrote to memory of 1728	1564	c0c9436da85defdeef4061fdb693bef1f3f5626735a1ec4aa0a6dbefb3ee3b01.exe	vbc.exe
PID 1564 wrote to memory of 1728	1564	c0c9436da85defdeef4061fdb693bef1f3f5626735a1ec4aa0a6dbefb3ee3b01.exe	vbc.exe
PID 1564 wrote to memory of 1728	1564	c0c9436da85defdeef4061fdb693bef1f3f5626735a1ec4aa0a6dbefb3ee3b01.exe	vbc.exe
PID 1564 wrote to memory of 1728	1564	c0c9436da85defdeef4061fdb693bef1f3f5626735a1ec4aa0a6dbefb3ee3b01.exe	vbc.exe
PID 1564 wrote to memory of 1728	1564	c0c9436da85defdeef4061fdb693bef1f3f5626735a1ec4aa0a6dbefb3ee3b01.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\c0c9436da85defdeef4061fdb693bef1f3f5626735a1ec4aa0a6dbefb3ee3b01.exe
"C:\Users\Admin\AppData\Local\Temp\c0c9436da85defdeef4061fdb693bef1f3f5626735a1ec4aa0a6dbefb3ee3b01.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1564

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:1728

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/1564-54-0x0000000076031000-0x0000000076033000-memory.dmp

Filesize
8KB

Download
memory/1564-55-0x0000000074360000-0x000000007490B000-memory.dmp

Filesize
5.7MB

Download
memory/1564-75-0x0000000074360000-0x000000007490B000-memory.dmp

Filesize
5.7MB

Download
memory/1728-66-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1728-72-0x000000000049F92C-mapping.dmp

Download
memory/1728-64-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1728-57-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1728-69-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1728-67-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1728-71-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1728-62-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1728-60-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1728-58-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1728-74-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1728-77-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1728-78-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1728-79-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads