darkcomet | 7a8916c13c6b816bc756134acdf71c4cb9f28e9dd0f6009783a84e2b26437af1

General

Target

7a8916c13c6b816bc756134acdf71c4cb9f28e9dd0f6009783a84e2b26437af1.exe
Size

1.5MB
MD5

b4f71adf9ec04a2b87e7588d8af2ba9e
SHA1

316b8b6e5a80eb8d2e061a80527ff7be6731c25e
SHA256

7a8916c13c6b816bc756134acdf71c4cb9f28e9dd0f6009783a84e2b26437af1
SHA512

36b1259f6769582ae28a14ebf64ac7c8133f5513f8595892a3eb3de8d71b12966967e67f82ea0a301bc91f9f912d79862905048853e22b26c070aaf9368908d2

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

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

Scripting
T1064

pid	process
616	vbc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

7a8916c13c6b816bc756134acdf71c4cb9f28e9dd0f6009783a84e2b26437af1.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\WinUpdtr = "C:\\Users\\Admin\\AppData\\Roaming\\WinUpdtr\\7a8916c13c6b816bc756134acdf71c4cb9f28e9dd0f6009783a84e2b26437af1.exe"	7a8916c13c6b816bc756134acdf71c4cb9f28e9dd0f6009783a84e2b26437af1.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

7a8916c13c6b816bc756134acdf71c4cb9f28e9dd0f6009783a84e2b26437af1.exe

description pid process target process

PID 4048 set thread context of 616 4048 7a8916c13c6b816bc756134acdf71c4cb9f28e9dd0f6009783a84e2b26437af1.exe vbc.exe

description	pid	process	target process
PID 4048 set thread context of 616	4048	7a8916c13c6b816bc756134acdf71c4cb9f28e9dd0f6009783a84e2b26437af1.exe	vbc.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

vbc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	616	vbc.exe
Token: SeSecurityPrivilege	616	vbc.exe
Token: SeTakeOwnershipPrivilege	616	vbc.exe
Token: SeLoadDriverPrivilege	616	vbc.exe
Token: SeSystemProfilePrivilege	616	vbc.exe
Token: SeSystemtimePrivilege	616	vbc.exe
Token: SeProfSingleProcessPrivilege	616	vbc.exe
Token: SeIncBasePriorityPrivilege	616	vbc.exe
Token: SeCreatePagefilePrivilege	616	vbc.exe
Token: SeBackupPrivilege	616	vbc.exe
Token: SeRestorePrivilege	616	vbc.exe
Token: SeShutdownPrivilege	616	vbc.exe
Token: SeDebugPrivilege	616	vbc.exe
Token: SeSystemEnvironmentPrivilege	616	vbc.exe
Token: SeChangeNotifyPrivilege	616	vbc.exe
Token: SeRemoteShutdownPrivilege	616	vbc.exe
Token: SeUndockPrivilege	616	vbc.exe
Token: SeManageVolumePrivilege	616	vbc.exe
Token: SeImpersonatePrivilege	616	vbc.exe
Token: SeCreateGlobalPrivilege	616	vbc.exe
Token: 33	616	vbc.exe
Token: 34	616	vbc.exe
Token: 35	616	vbc.exe
Token: 36	616	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

vbc.exe

pid process

616 vbc.exe

pid	process
616	vbc.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

7a8916c13c6b816bc756134acdf71c4cb9f28e9dd0f6009783a84e2b26437af1.exevbc.exe

description	pid	process	target process
PID 4048 wrote to memory of 616	4048	7a8916c13c6b816bc756134acdf71c4cb9f28e9dd0f6009783a84e2b26437af1.exe	vbc.exe
PID 4048 wrote to memory of 616	4048	7a8916c13c6b816bc756134acdf71c4cb9f28e9dd0f6009783a84e2b26437af1.exe	vbc.exe
PID 4048 wrote to memory of 616	4048	7a8916c13c6b816bc756134acdf71c4cb9f28e9dd0f6009783a84e2b26437af1.exe	vbc.exe
PID 4048 wrote to memory of 616	4048	7a8916c13c6b816bc756134acdf71c4cb9f28e9dd0f6009783a84e2b26437af1.exe	vbc.exe
PID 4048 wrote to memory of 616	4048	7a8916c13c6b816bc756134acdf71c4cb9f28e9dd0f6009783a84e2b26437af1.exe	vbc.exe
PID 4048 wrote to memory of 616	4048	7a8916c13c6b816bc756134acdf71c4cb9f28e9dd0f6009783a84e2b26437af1.exe	vbc.exe
PID 4048 wrote to memory of 616	4048	7a8916c13c6b816bc756134acdf71c4cb9f28e9dd0f6009783a84e2b26437af1.exe	vbc.exe
PID 4048 wrote to memory of 616	4048	7a8916c13c6b816bc756134acdf71c4cb9f28e9dd0f6009783a84e2b26437af1.exe	vbc.exe
PID 4048 wrote to memory of 616	4048	7a8916c13c6b816bc756134acdf71c4cb9f28e9dd0f6009783a84e2b26437af1.exe	vbc.exe
PID 4048 wrote to memory of 616	4048	7a8916c13c6b816bc756134acdf71c4cb9f28e9dd0f6009783a84e2b26437af1.exe	vbc.exe
PID 4048 wrote to memory of 616	4048	7a8916c13c6b816bc756134acdf71c4cb9f28e9dd0f6009783a84e2b26437af1.exe	vbc.exe
PID 4048 wrote to memory of 616	4048	7a8916c13c6b816bc756134acdf71c4cb9f28e9dd0f6009783a84e2b26437af1.exe	vbc.exe
PID 4048 wrote to memory of 616	4048	7a8916c13c6b816bc756134acdf71c4cb9f28e9dd0f6009783a84e2b26437af1.exe	vbc.exe
PID 4048 wrote to memory of 616	4048	7a8916c13c6b816bc756134acdf71c4cb9f28e9dd0f6009783a84e2b26437af1.exe	vbc.exe
PID 616 wrote to memory of 1432	616	vbc.exe	iexplore.exe
PID 616 wrote to memory of 1432	616	vbc.exe	iexplore.exe
PID 616 wrote to memory of 1432	616	vbc.exe	iexplore.exe
PID 616 wrote to memory of 1512	616	vbc.exe	explorer.exe
PID 616 wrote to memory of 1512	616	vbc.exe	explorer.exe

C:\Users\Admin\AppData\Local\Temp\7a8916c13c6b816bc756134acdf71c4cb9f28e9dd0f6009783a84e2b26437af1.exe
"C:\Users\Admin\AppData\Local\Temp\7a8916c13c6b816bc756134acdf71c4cb9f28e9dd0f6009783a84e2b26437af1.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4048

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
- Suspicious use of WriteProcessMemory
PID:616

C:\Program Files (x86)\Internet Explorer\iexplore.exe
"C:\Program Files (x86)\Internet Explorer\iexplore.exe"
3⤵
PID:1432

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
3⤵
PID:1512

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scripting

1

T1064

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

Scripting

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\vbc.exe
MD5
99d17ff97e92667bf238e5154e53c6a1

SHA1
893d5e4fc27e23831dba69e39762fb494c7edc94

SHA256
bb44568093a3b7299af075b09358bb4691abaa57c0496e8d97d289b05b58ad27

SHA512
31c5a1425d3fd36a26dc85270a19d6d1a07a644466de4527798985b12aba1242a961e6df0990c6f0bbb7f21a4c4de31aa4baaaf18999894e7c6cb56f4689bddd

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc.exe
MD5
99d17ff97e92667bf238e5154e53c6a1

SHA1
893d5e4fc27e23831dba69e39762fb494c7edc94

SHA256
bb44568093a3b7299af075b09358bb4691abaa57c0496e8d97d289b05b58ad27

SHA512
31c5a1425d3fd36a26dc85270a19d6d1a07a644466de4527798985b12aba1242a961e6df0990c6f0bbb7f21a4c4de31aa4baaaf18999894e7c6cb56f4689bddd

Download Submit
memory/616-115-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/616-116-0x000000000049F92C-mapping.dmp

Download
memory/616-119-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/616-120-0x0000000000550000-0x00000000005FE000-memory.dmp

Filesize
696KB

Download
memory/4048-114-0x0000000002BE0000-0x0000000002BE1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads