darkcomet | bd58067c39932b971f15ac3f3dbbd8d9ebfea5629f058e919535ca02b89f0389

Analysis

max time kernel
151s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
22-03-2023 13:55

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General

Target

Arken.exe
Size

454KB
MD5

e0c3dc6e59f800b7aa184427011774c8
SHA1

f62e83280567470861088a148083d5a601032c76
SHA256

bd58067c39932b971f15ac3f3dbbd8d9ebfea5629f058e919535ca02b89f0389
SHA512

4d56af1f6a20850b8280711df15ca2845ee5551db6152c2da6fb9d90baf78ee37ab0894df0a33025b62d1adb2ec130450cf1983732c37bed08cd84e6e8ce73cb
SSDEEP

6144:fcNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL374xe6GfAGgpkie2n1IKsei4R3OQ:fcW7KEZlPzCy37IbGww2a9eiAPiPB

Score

10^/10

darkcomet guest16 rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

5.tcp.eu.ngrok.io:12858

Mutex

DC_MUTEX-31M6UGE

Attributes

gencode
6dC45l1nBig5
install
false
offline_keylogger
true
persistence
false

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet

UPX packed file 11 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/1712-134-0x0000000000400000-0x000000000051C000-memory.dmp	upx
behavioral2/memory/1712-136-0x0000000000400000-0x000000000051C000-memory.dmp	upx
behavioral2/memory/1712-138-0x0000000000400000-0x000000000051C000-memory.dmp	upx
behavioral2/memory/1712-139-0x0000000000400000-0x000000000051C000-memory.dmp	upx
behavioral2/memory/1712-140-0x0000000000400000-0x000000000051C000-memory.dmp	upx
behavioral2/memory/1712-142-0x0000000000400000-0x000000000051C000-memory.dmp	upx
behavioral2/memory/1712-143-0x0000000000400000-0x000000000051C000-memory.dmp	upx
behavioral2/memory/1712-144-0x0000000000400000-0x000000000051C000-memory.dmp	upx
behavioral2/memory/1712-146-0x0000000000400000-0x000000000051C000-memory.dmp	upx
behavioral2/memory/1712-148-0x0000000000400000-0x000000000051C000-memory.dmp	upx
behavioral2/memory/1712-149-0x0000000000400000-0x000000000051C000-memory.dmp	upx

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

Arken.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	1712	Arken.exe
Token: SeSecurityPrivilege	1712	Arken.exe
Token: SeTakeOwnershipPrivilege	1712	Arken.exe
Token: SeLoadDriverPrivilege	1712	Arken.exe
Token: SeSystemProfilePrivilege	1712	Arken.exe
Token: SeSystemtimePrivilege	1712	Arken.exe
Token: SeProfSingleProcessPrivilege	1712	Arken.exe
Token: SeIncBasePriorityPrivilege	1712	Arken.exe
Token: SeCreatePagefilePrivilege	1712	Arken.exe
Token: SeBackupPrivilege	1712	Arken.exe
Token: SeRestorePrivilege	1712	Arken.exe
Token: SeShutdownPrivilege	1712	Arken.exe
Token: SeDebugPrivilege	1712	Arken.exe
Token: SeSystemEnvironmentPrivilege	1712	Arken.exe
Token: SeChangeNotifyPrivilege	1712	Arken.exe
Token: SeRemoteShutdownPrivilege	1712	Arken.exe
Token: SeUndockPrivilege	1712	Arken.exe
Token: SeManageVolumePrivilege	1712	Arken.exe
Token: SeImpersonatePrivilege	1712	Arken.exe
Token: SeCreateGlobalPrivilege	1712	Arken.exe
Token: 33	1712	Arken.exe
Token: 34	1712	Arken.exe
Token: 35	1712	Arken.exe
Token: 36	1712	Arken.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Arken.exe

pid process

1712 Arken.exe

pid	process
1712	Arken.exe

C:\Users\Admin\AppData\Local\Temp\Arken.exe
"C:\Users\Admin\AppData\Local\Temp\Arken.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1712

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

T1102

Impact

Replay Monitor

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Downloads

memory/1712-134-0x0000000000400000-0x000000000051C000-memory.dmp

Filesize
1.1MB

Download
memory/1712-135-0x0000000000730000-0x0000000000731000-memory.dmp

Filesize
4KB

Download
memory/1712-136-0x0000000000400000-0x000000000051C000-memory.dmp

Filesize
1.1MB

Download
memory/1712-138-0x0000000000400000-0x000000000051C000-memory.dmp

Filesize
1.1MB

Download
memory/1712-139-0x0000000000400000-0x000000000051C000-memory.dmp

Filesize
1.1MB

Download
memory/1712-140-0x0000000000400000-0x000000000051C000-memory.dmp

Filesize
1.1MB

Download
memory/1712-142-0x0000000000400000-0x000000000051C000-memory.dmp

Filesize
1.1MB

Download
memory/1712-143-0x0000000000400000-0x000000000051C000-memory.dmp

Filesize
1.1MB

Download
memory/1712-144-0x0000000000400000-0x000000000051C000-memory.dmp

Filesize
1.1MB

Download
memory/1712-146-0x0000000000400000-0x000000000051C000-memory.dmp

Filesize
1.1MB

Download
memory/1712-148-0x0000000000400000-0x000000000051C000-memory.dmp

Filesize
1.1MB

Download
memory/1712-149-0x0000000000400000-0x000000000051C000-memory.dmp

Filesize
1.1MB

Download