darkcomet | c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238

General

Target

c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238.exe
Size

719KB
MD5

3acce031a32ede50b23252c1ee0b6303
SHA1

52f9df300181cb6c0f87aa9a1b5f344997d9092b
SHA256

c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238
SHA512

e96b4e21b0590598493377d13460ed043fd092da3ebe8e6f39d6baf0c001e7e6d5a3fe3556447d06a6cd349d1a40c085cc5f347718338812a1106699db1e9357
SSDEEP

12288:mbFenA3ajdvPOFU6KRXqAFdaQ8bAsxZS1eiuBRiO0rVGOsr1dXf7WPAa0paLcfeR:mbFengulOFU6eqidF8b7SciuBgTGXrbg

Score

10^/10

darkcomet booter persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Booter

C2

connecttome.no-ip.biz:2000

Mutex

DC_MUTEX-EERK2UQ

Attributes

gencode
hjSim3V9N4tt
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

pid	Process
1340	svchost.exe

Loads dropped DLL 1 IoCs

pid	Process
968	c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\Startup Key = "C:\\Users\\Admin\\AppData\\Local\\Temp\\svhost.exe"	c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 968 set thread context of 1340	968	c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238.exe	28

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

description	pid	Process
Token: SeDebugPrivilege	968	c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238.exe
Token: SeIncreaseQuotaPrivilege	1340	svchost.exe
Token: SeSecurityPrivilege	1340	svchost.exe
Token: SeTakeOwnershipPrivilege	1340	svchost.exe
Token: SeLoadDriverPrivilege	1340	svchost.exe
Token: SeSystemProfilePrivilege	1340	svchost.exe
Token: SeSystemtimePrivilege	1340	svchost.exe
Token: SeProfSingleProcessPrivilege	1340	svchost.exe
Token: SeIncBasePriorityPrivilege	1340	svchost.exe
Token: SeCreatePagefilePrivilege	1340	svchost.exe
Token: SeBackupPrivilege	1340	svchost.exe
Token: SeRestorePrivilege	1340	svchost.exe
Token: SeShutdownPrivilege	1340	svchost.exe
Token: SeDebugPrivilege	1340	svchost.exe
Token: SeSystemEnvironmentPrivilege	1340	svchost.exe
Token: SeChangeNotifyPrivilege	1340	svchost.exe
Token: SeRemoteShutdownPrivilege	1340	svchost.exe
Token: SeUndockPrivilege	1340	svchost.exe
Token: SeManageVolumePrivilege	1340	svchost.exe
Token: SeImpersonatePrivilege	1340	svchost.exe
Token: SeCreateGlobalPrivilege	1340	svchost.exe
Token: 33	1340	svchost.exe
Token: 34	1340	svchost.exe
Token: 35	1340	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1340	svchost.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 968 wrote to memory of 1340	968	c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238.exe	28
PID 968 wrote to memory of 1340	968	c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238.exe	28
PID 968 wrote to memory of 1340	968	c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238.exe	28
PID 968 wrote to memory of 1340	968	c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238.exe	28
PID 968 wrote to memory of 1340	968	c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238.exe	28
PID 968 wrote to memory of 1340	968	c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238.exe	28
PID 968 wrote to memory of 1340	968	c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238.exe	28
PID 968 wrote to memory of 1340	968	c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238.exe	28
PID 968 wrote to memory of 1340	968	c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238.exe	28
PID 968 wrote to memory of 1340	968	c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238.exe	28
PID 968 wrote to memory of 1340	968	c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238.exe	28
PID 968 wrote to memory of 1340	968	c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238.exe	28
PID 968 wrote to memory of 1340	968	c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238.exe	28

C:\Users\Admin\AppData\Local\Temp\c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238.exe
"C:\Users\Admin\AppData\Local\Temp\c4aa169ee13a211e014518b9be4557bddf90ab0466a5260897c5e43924f2d238.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:968
- C:\Users\Admin\AppData\Local\Temp\svchost.exe
  C:\Users\Admin\AppData\Local\Temp\svchost.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1340

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\svchost.exe

Filesize
31KB

MD5
ed797d8dc2c92401985d162e42ffa450

SHA1
0f02fc517c7facc4baefde4fe9467fb6488ebabe

SHA256
b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e

SHA512
e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2

Download Submit
\Users\Admin\AppData\Local\Temp\svchost.exe

Filesize
31KB

MD5
ed797d8dc2c92401985d162e42ffa450

SHA1
0f02fc517c7facc4baefde4fe9467fb6488ebabe

SHA256
b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e

SHA512
e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2

Download Submit
memory/968-54-0x0000000076091000-0x0000000076093000-memory.dmp

Filesize
8KB

Download
memory/968-55-0x00000000744B0000-0x0000000074A5B000-memory.dmp

Filesize
5.7MB

Download
memory/968-56-0x00000000744B0000-0x0000000074A5B000-memory.dmp

Filesize
5.7MB

Download
memory/968-80-0x0000000000246000-0x0000000000257000-memory.dmp

Filesize
68KB

Download
memory/968-79-0x00000000744B0000-0x0000000074A5B000-memory.dmp

Filesize
5.7MB

Download
memory/1340-68-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1340-67-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1340-63-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1340-70-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1340-72-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1340-61-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1340-65-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1340-75-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1340-77-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1340-78-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1340-59-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1340-58-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1340-81-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download

Analysis

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