darkcomet | 3c9191891a6eec95c15b0540656d3be2ac3698fcf86c175efcbe0f0244ee224a

General

Target
3132e821f0b47d3d707237eda0e1db8e_JaffaCakes118.exe
Size 1.5MB
Sample241010-wh338atgrp
SHA256 3c9191891a6eec95c15b0540656d3be2ac3698fcf86c175efcbe0f0244ee224a
MD5 3132e821f0b47d3d707237eda0e1db8e
SHA1 f43410e1de671d63a8f7fa6ba817f46298eb2743
SHA512 840583bd0d65face8a86a373e10d1d28f9b91749448c7f40178bad9125bdda64b5ba195963590fb8fbb1f57caab7b6d24d924b2140640b2ea0d9af025d53cd0b
SSDEEP 24576:saHMv6CorjqnyC8xlDaf9Y6osXaHXsukXrFxsGf2hO/o9:s1vqjdC8PDm9Y6nK3suk/sk259
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

darkcomet guest16 discovery rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

127.0.0.1:1604

Mutex

DC_MUTEX-13Q7C5M

Attributes

gencode
2zJpqlwu6w03
install
false
offline_keylogger
true
persistence
false

Signatures

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	3132e821f0b47d3d707237eda0e1db8e_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2292	uncrypted.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/3528-0-0x0000000000400000-0x00000000004D3000-memory.dmp	autoit_exe

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	3132e821f0b47d3d707237eda0e1db8e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	uncrypted.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2292	uncrypted.exe
Token: SeSecurityPrivilege	2292	uncrypted.exe
Token: SeTakeOwnershipPrivilege	2292	uncrypted.exe
Token: SeLoadDriverPrivilege	2292	uncrypted.exe
Token: SeSystemProfilePrivilege	2292	uncrypted.exe
Token: SeSystemtimePrivilege	2292	uncrypted.exe
Token: SeProfSingleProcessPrivilege	2292	uncrypted.exe
Token: SeIncBasePriorityPrivilege	2292	uncrypted.exe
Token: SeCreatePagefilePrivilege	2292	uncrypted.exe
Token: SeBackupPrivilege	2292	uncrypted.exe
Token: SeRestorePrivilege	2292	uncrypted.exe
Token: SeShutdownPrivilege	2292	uncrypted.exe
Token: SeDebugPrivilege	2292	uncrypted.exe
Token: SeSystemEnvironmentPrivilege	2292	uncrypted.exe
Token: SeChangeNotifyPrivilege	2292	uncrypted.exe
Token: SeRemoteShutdownPrivilege	2292	uncrypted.exe
Token: SeUndockPrivilege	2292	uncrypted.exe
Token: SeManageVolumePrivilege	2292	uncrypted.exe
Token: SeImpersonatePrivilege	2292	uncrypted.exe
Token: SeCreateGlobalPrivilege	2292	uncrypted.exe
Token: 33	2292	uncrypted.exe
Token: 34	2292	uncrypted.exe
Token: 35	2292	uncrypted.exe
Token: 36	2292	uncrypted.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2292	uncrypted.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3528 wrote to memory of 2292	3528	3132e821f0b47d3d707237eda0e1db8e_JaffaCakes118.exe	85
PID 3528 wrote to memory of 2292	3528	3132e821f0b47d3d707237eda0e1db8e_JaffaCakes118.exe	85
PID 3528 wrote to memory of 2292	3528	3132e821f0b47d3d707237eda0e1db8e_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\3132e821f0b47d3d707237eda0e1db8e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3132e821f0b47d3d707237eda0e1db8e_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3528
- C:\Users\Admin\AppData\Local\Temp\uncrypted.exe
  "C:\Users\Admin\AppData\Local\Temp\uncrypted.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2292

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

aut79B4.tmp

Path C:\Users\Admin\AppData\Local\Temp\aut79B4.tmp
Size 756KB
SHA256 c03731e97e54324d97bf0b6be3ddc8bc9e083366eaeb995b20c175e7888a8ee0
MD5 659bcac9d8ee7fca0dd3cda2dd311c99
SHA1 7c555a08d625f93008032f2cbf50b602580dae0e
SHA512 0e7b818ecde3fa5cf405da18bc60980aeaa57b4951acf1ba008fa91ed1b8e9b5ae0f82e75fe3032a3e5b324059e0dfdb698ec54f9bf5732f452706ee2cf14ee1
SSDEEP 12288:/idOx1Vyd/8F7La+hY/jED+YNyX3IXEXO0VvRiOLGzkis5Ke5Xm/ZB2uTw/4rHDY:adEHydUh9K/ZYNI3GwpPGzkiuKe5Xm/Q
MD5 SHA1 SHA512 SSDEEP

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uncrypted.exe

Path C:\Users\Admin\AppData\Local\Temp\uncrypted.exe
Size 756KB
SHA256 f90f2ab5b6a21299231bb66720801f68f63c11c85cf432dd3d58f28d0a53c187
MD5 70b7c8f2a13f29c1c92ec1137736afef
SHA1 3f1e28b713c51abc7da16a2bc5fc4c79c0f307f3
SHA512 9cf26a6b811ff74b6431bdb328c98bf1f82b7ad255d1fcc8ebf74638915f67cafd2291be7861d1f60e305bcf4752f60de90eaf2c62adf01542dfa9ca348a1e5c
SSDEEP 12288:j9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/h1svve:tZ1xuVVjfFoynPaVBUR8f+kN10EBkvve
MD5 SHA1 SHA512 SSDEEP

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memory/2292-20-0x00000000023D0000-0x00000000023D1000-memory.dmp

Download

memory/2292-22-0x00000000023D0000-0x00000000023D1000-memory.dmp

Download

memory/2292-21-0x0000000000400000-0x00000000004CA000-memory.dmp

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memory/3528-0-0x0000000000400000-0x00000000004D3000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads