darkcomet | 63dbc8dfdbca1ea99a1e446b403af0cbfc637f03f201fe5b8acd45d45630d412

General

Target

63dbc8dfdbca1ea99a1e446b403af0cbfc637f03f201fe5b8acd45d45630d412.exe
Size

389KB
MD5

250a1a4c32feba7e2148f4e6048b8350
SHA1

70e2397aac72b94ced3f1f80107e2406adeebafa
SHA256

63dbc8dfdbca1ea99a1e446b403af0cbfc637f03f201fe5b8acd45d45630d412
SHA512

39a39305dc914bd1c61c9ef6f2a8f6e52a264d7adfcc02dd42b0cf1c714609e7febf9ed7461dc2c7be37f0e56954d043f9698146486a094440ffd20696769ee5
SSDEEP

12288:oMtmhGDx90PfxPeYBKAjYh7RnFysc93nAK:lx92evnyXOK

Score

10^/10

darkcomet zombie rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Zombie

C2

y29kzv93yxjfnta5.no-ip.org:500

Mutex

DC_MUTEX-KB194P8

Attributes

gencode
ywG7u7LU1KaH
install
false
offline_keylogger
true
persistence
false

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

1776 vbc.exe
Loads dropped DLL 1 IoCs

Processes:

63dbc8dfdbca1ea99a1e446b403af0cbfc637f03f201fe5b8acd45d45630d412.exe

pid process

860 63dbc8dfdbca1ea99a1e446b403af0cbfc637f03f201fe5b8acd45d45630d412.exe
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064
Suspicious use of SetThreadContext 1 IoCs

Processes:

63dbc8dfdbca1ea99a1e446b403af0cbfc637f03f201fe5b8acd45d45630d412.exe

description pid process target process

PID 860 set thread context of 1776 860 63dbc8dfdbca1ea99a1e446b403af0cbfc637f03f201fe5b8acd45d45630d412.exe vbc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

pid	process
1776	vbc.exe

pid	process
860	63dbc8dfdbca1ea99a1e446b403af0cbfc637f03f201fe5b8acd45d45630d412.exe

description	pid	process	target process
PID 860 set thread context of 1776	860	63dbc8dfdbca1ea99a1e446b403af0cbfc637f03f201fe5b8acd45d45630d412.exe	vbc.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

Processes:

vbc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	1776	vbc.exe
Token: SeSecurityPrivilege	1776	vbc.exe
Token: SeTakeOwnershipPrivilege	1776	vbc.exe
Token: SeLoadDriverPrivilege	1776	vbc.exe
Token: SeSystemProfilePrivilege	1776	vbc.exe
Token: SeSystemtimePrivilege	1776	vbc.exe
Token: SeProfSingleProcessPrivilege	1776	vbc.exe
Token: SeIncBasePriorityPrivilege	1776	vbc.exe
Token: SeCreatePagefilePrivilege	1776	vbc.exe
Token: SeBackupPrivilege	1776	vbc.exe
Token: SeRestorePrivilege	1776	vbc.exe
Token: SeShutdownPrivilege	1776	vbc.exe
Token: SeDebugPrivilege	1776	vbc.exe
Token: SeSystemEnvironmentPrivilege	1776	vbc.exe
Token: SeChangeNotifyPrivilege	1776	vbc.exe
Token: SeRemoteShutdownPrivilege	1776	vbc.exe
Token: SeUndockPrivilege	1776	vbc.exe
Token: SeManageVolumePrivilege	1776	vbc.exe
Token: SeImpersonatePrivilege	1776	vbc.exe
Token: SeCreateGlobalPrivilege	1776	vbc.exe
Token: 33	1776	vbc.exe
Token: 34	1776	vbc.exe
Token: 35	1776	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

vbc.exe

pid process

1776 vbc.exe

pid	process
1776	vbc.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

63dbc8dfdbca1ea99a1e446b403af0cbfc637f03f201fe5b8acd45d45630d412.exe

description	pid	process	target process
PID 860 wrote to memory of 1776	860	63dbc8dfdbca1ea99a1e446b403af0cbfc637f03f201fe5b8acd45d45630d412.exe	vbc.exe
PID 860 wrote to memory of 1776	860	63dbc8dfdbca1ea99a1e446b403af0cbfc637f03f201fe5b8acd45d45630d412.exe	vbc.exe
PID 860 wrote to memory of 1776	860	63dbc8dfdbca1ea99a1e446b403af0cbfc637f03f201fe5b8acd45d45630d412.exe	vbc.exe
PID 860 wrote to memory of 1776	860	63dbc8dfdbca1ea99a1e446b403af0cbfc637f03f201fe5b8acd45d45630d412.exe	vbc.exe
PID 860 wrote to memory of 1776	860	63dbc8dfdbca1ea99a1e446b403af0cbfc637f03f201fe5b8acd45d45630d412.exe	vbc.exe
PID 860 wrote to memory of 1776	860	63dbc8dfdbca1ea99a1e446b403af0cbfc637f03f201fe5b8acd45d45630d412.exe	vbc.exe
PID 860 wrote to memory of 1776	860	63dbc8dfdbca1ea99a1e446b403af0cbfc637f03f201fe5b8acd45d45630d412.exe	vbc.exe
PID 860 wrote to memory of 1776	860	63dbc8dfdbca1ea99a1e446b403af0cbfc637f03f201fe5b8acd45d45630d412.exe	vbc.exe
PID 860 wrote to memory of 1776	860	63dbc8dfdbca1ea99a1e446b403af0cbfc637f03f201fe5b8acd45d45630d412.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\63dbc8dfdbca1ea99a1e446b403af0cbfc637f03f201fe5b8acd45d45630d412.exe
"C:\Users\Admin\AppData\Local\Temp\63dbc8dfdbca1ea99a1e446b403af0cbfc637f03f201fe5b8acd45d45630d412.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:860

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:1776

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

1

T1064

Credential Access

Discovery

System Information Discovery

1

T1082

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
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/860-54-0x0000000074DE1000-0x0000000074DE3000-memory.dmp

Filesize
8KB

Download
memory/860-68-0x0000000074030000-0x00000000745DB000-memory.dmp

Filesize
5.7MB

Download
memory/1776-62-0x0000000000400000-0x00000000004B1000-memory.dmp

Filesize
708KB

Download
memory/1776-61-0x0000000000400000-0x00000000004B1000-memory.dmp

Filesize
708KB

Download
memory/1776-63-0x00000000004AF1F6-mapping.dmp

Download
memory/1776-59-0x0000000000400000-0x00000000004B1000-memory.dmp

Filesize
708KB

Download
memory/1776-67-0x0000000000400000-0x00000000004B1000-memory.dmp

Filesize
708KB

Download
memory/1776-57-0x0000000000400000-0x00000000004B1000-memory.dmp

Filesize
708KB

Download
memory/1776-69-0x0000000000400000-0x00000000004B1000-memory.dmp

Filesize
708KB

Download
memory/1776-56-0x0000000000400000-0x00000000004B1000-memory.dmp

Filesize
708KB

Download
memory/1776-71-0x0000000000400000-0x00000000004B00F0-memory.dmp

Filesize
704KB

Download
memory/1776-72-0x0000000000400000-0x00000000004B00F0-memory.dmp

Filesize
704KB

Download

Analysis

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