darkcomet | 311a4bea01646fc4c310f99872bf427d7eae563d308ef87585322036ae7f9b97

General

Target

311a4bea01646fc4c310f99872bf427d7eae563d308ef87585322036ae7f9b97.exe
Size

1.1MB
MD5

fdefdd85ed354a83d89920d451d742cd
SHA1

4f7d956c8e91b5e96d7f6ed00b9643811dc4ba34
SHA256

311a4bea01646fc4c310f99872bf427d7eae563d308ef87585322036ae7f9b97
SHA512

9b30572ac81d7ee08efdde3802820cd4c583f7fed784040d0b3913c7ec77e27f4205d641b5010ccf23b04b5c7dcdaf30a0528bacfd20228ee6d2e29d5534aa00
SSDEEP

24576:Olh1fvdJY0wX70zGbgytlHst4xO4AlQI3zodAMsCt:+dJY0x6Ey3stcZaQI8dZsCt

Score

10^/10

darkcomet guest16 discovery rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

127.0.0.1:1604

Mutex

DC_MUTEX-ELF8VRN

Attributes

gencode
MRLq2GJAYCGs
install
false
offline_keylogger
true
persistence
false

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1548 set thread context of 1440	1548	311a4bea01646fc4c310f99872bf427d7eae563d308ef87585322036ae7f9b97.exe	31

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1548-0-0x0000000001020000-0x0000000001101000-memory.dmp	upx
behavioral1/memory/1548-13-0x0000000001020000-0x0000000001101000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	311a4bea01646fc4c310f99872bf427d7eae563d308ef87585322036ae7f9b97.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1440	svchost.exe
Token: SeSecurityPrivilege	1440	svchost.exe
Token: SeTakeOwnershipPrivilege	1440	svchost.exe
Token: SeLoadDriverPrivilege	1440	svchost.exe
Token: SeSystemProfilePrivilege	1440	svchost.exe
Token: SeSystemtimePrivilege	1440	svchost.exe
Token: SeProfSingleProcessPrivilege	1440	svchost.exe
Token: SeIncBasePriorityPrivilege	1440	svchost.exe
Token: SeCreatePagefilePrivilege	1440	svchost.exe
Token: SeBackupPrivilege	1440	svchost.exe
Token: SeRestorePrivilege	1440	svchost.exe
Token: SeShutdownPrivilege	1440	svchost.exe
Token: SeDebugPrivilege	1440	svchost.exe
Token: SeSystemEnvironmentPrivilege	1440	svchost.exe
Token: SeChangeNotifyPrivilege	1440	svchost.exe
Token: SeRemoteShutdownPrivilege	1440	svchost.exe
Token: SeUndockPrivilege	1440	svchost.exe
Token: SeManageVolumePrivilege	1440	svchost.exe
Token: SeImpersonatePrivilege	1440	svchost.exe
Token: SeCreateGlobalPrivilege	1440	svchost.exe
Token: 33	1440	svchost.exe
Token: 34	1440	svchost.exe
Token: 35	1440	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1440	svchost.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1548 wrote to memory of 1440	1548	311a4bea01646fc4c310f99872bf427d7eae563d308ef87585322036ae7f9b97.exe	31
PID 1548 wrote to memory of 1440	1548	311a4bea01646fc4c310f99872bf427d7eae563d308ef87585322036ae7f9b97.exe	31
PID 1548 wrote to memory of 1440	1548	311a4bea01646fc4c310f99872bf427d7eae563d308ef87585322036ae7f9b97.exe	31
PID 1548 wrote to memory of 1440	1548	311a4bea01646fc4c310f99872bf427d7eae563d308ef87585322036ae7f9b97.exe	31
PID 1548 wrote to memory of 1440	1548	311a4bea01646fc4c310f99872bf427d7eae563d308ef87585322036ae7f9b97.exe	31
PID 1548 wrote to memory of 1440	1548	311a4bea01646fc4c310f99872bf427d7eae563d308ef87585322036ae7f9b97.exe	31
PID 1548 wrote to memory of 1440	1548	311a4bea01646fc4c310f99872bf427d7eae563d308ef87585322036ae7f9b97.exe	31
PID 1548 wrote to memory of 1440	1548	311a4bea01646fc4c310f99872bf427d7eae563d308ef87585322036ae7f9b97.exe	31
PID 1548 wrote to memory of 1440	1548	311a4bea01646fc4c310f99872bf427d7eae563d308ef87585322036ae7f9b97.exe	31
PID 1548 wrote to memory of 1440	1548	311a4bea01646fc4c310f99872bf427d7eae563d308ef87585322036ae7f9b97.exe	31
PID 1548 wrote to memory of 1440	1548	311a4bea01646fc4c310f99872bf427d7eae563d308ef87585322036ae7f9b97.exe	31
PID 1548 wrote to memory of 1440	1548	311a4bea01646fc4c310f99872bf427d7eae563d308ef87585322036ae7f9b97.exe	31
PID 1548 wrote to memory of 1440	1548	311a4bea01646fc4c310f99872bf427d7eae563d308ef87585322036ae7f9b97.exe	31

C:\Users\Admin\AppData\Local\Temp\311a4bea01646fc4c310f99872bf427d7eae563d308ef87585322036ae7f9b97.exe
"C:\Users\Admin\AppData\Local\Temp\311a4bea01646fc4c310f99872bf427d7eae563d308ef87585322036ae7f9b97.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1548
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\SysWOW64\svchost.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1440

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1440-2-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/1440-19-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/1440-8-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/1440-6-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/1440-7-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/1440-11-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/1440-10-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/1440-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1440-3-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/1440-1-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/1440-4-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/1440-5-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/1440-15-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/1440-14-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/1440-16-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/1440-18-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/1440-17-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/1548-0-0x0000000001020000-0x0000000001101000-memory.dmp

Filesize
900KB

Download
memory/1548-13-0x0000000001020000-0x0000000001101000-memory.dmp

Filesize
900KB

Download

Analysis

Sharing