darkcomet | 1ee7aca8b0d41c8fd9391e44670b1ff618ba9a6343021b3be201082b4ee64a98

General

Target

JaffaCakes118_ab94793cb688ec35977b3f882fceed75.exe
Size

1.1MB
MD5

ab94793cb688ec35977b3f882fceed75
SHA1

377a1026340e238fec42ee31284b42cc127b4a8c
SHA256

1ee7aca8b0d41c8fd9391e44670b1ff618ba9a6343021b3be201082b4ee64a98
SHA512

b18051b3c24a1ca48051ca1c8d92cf207eb4198aadc1b1178d44a5195de0647b38f85fcb95112d51ace04d0c4529bccaefb5ee33b37871d19e080a38a0c1bd6c
SSDEEP

24576:El4RlFGpYqAq1OExtw8jxy0Pb07iKq5J3D05n5LJJW:W4RapYqGExtnjxRAi95G97c

Score

10^/10

darkcomet discovery rat trojan

Malware Config

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Darkcomet family
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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	JaffaCakes118_ab94793cb688ec35977b3f882fceed75.exe

Executes dropped EXE 1 IoCs

pid	Process
3112	NewFile.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 1 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	NewFile.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	416	JaffaCakes118_ab94793cb688ec35977b3f882fceed75.exe
Token: SeIncreaseQuotaPrivilege	3112	NewFile.exe
Token: SeSecurityPrivilege	3112	NewFile.exe
Token: SeTakeOwnershipPrivilege	3112	NewFile.exe
Token: SeLoadDriverPrivilege	3112	NewFile.exe
Token: SeSystemProfilePrivilege	3112	NewFile.exe
Token: SeSystemtimePrivilege	3112	NewFile.exe
Token: SeProfSingleProcessPrivilege	3112	NewFile.exe
Token: SeIncBasePriorityPrivilege	3112	NewFile.exe
Token: SeCreatePagefilePrivilege	3112	NewFile.exe
Token: SeBackupPrivilege	3112	NewFile.exe
Token: SeRestorePrivilege	3112	NewFile.exe
Token: SeShutdownPrivilege	3112	NewFile.exe
Token: SeDebugPrivilege	3112	NewFile.exe
Token: SeSystemEnvironmentPrivilege	3112	NewFile.exe
Token: SeChangeNotifyPrivilege	3112	NewFile.exe
Token: SeRemoteShutdownPrivilege	3112	NewFile.exe
Token: SeUndockPrivilege	3112	NewFile.exe
Token: SeManageVolumePrivilege	3112	NewFile.exe
Token: SeImpersonatePrivilege	3112	NewFile.exe
Token: SeCreateGlobalPrivilege	3112	NewFile.exe
Token: 33	3112	NewFile.exe
Token: 34	3112	NewFile.exe
Token: 35	3112	NewFile.exe
Token: 36	3112	NewFile.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 416 wrote to memory of 3112	416	JaffaCakes118_ab94793cb688ec35977b3f882fceed75.exe	81
PID 416 wrote to memory of 3112	416	JaffaCakes118_ab94793cb688ec35977b3f882fceed75.exe	81
PID 416 wrote to memory of 3112	416	JaffaCakes118_ab94793cb688ec35977b3f882fceed75.exe	81

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ab94793cb688ec35977b3f882fceed75.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ab94793cb688ec35977b3f882fceed75.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:416
- C:\Users\Admin\AppData\Local\Temp\NewFile.exe
  "C:\Users\Admin\AppData\Local\Temp\NewFile.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3112

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

Replay Monitor

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Downloads

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

Filesize
647KB

MD5
669775e0f6b480f1e38bfeda8678372c

SHA1
d9a3981f92674170880774a60d8b559c06908445

SHA256
584132e154a40d7b1fd5ceb52112e2a937e792de49efc4b1f8f5f8b48b4b06b0

SHA512
2d37663c876702e55e89e791c81714f61187d4f1a6e263e012b8f8c8b1080fcd48db3d412b82ae55598fc5c824974a8c2acc1d8b8fba38aaf50175baa6412596

Download Submit
memory/416-8-0x00007FFE4CEF0000-0x00007FFE4D891000-memory.dmp

Filesize
9.6MB

Download
memory/416-7-0x000000001C2D0000-0x000000001C31C000-memory.dmp

Filesize
304KB

Download
memory/416-3-0x00007FFE4CEF0000-0x00007FFE4D891000-memory.dmp

Filesize
9.6MB

Download
memory/416-4-0x000000001BDE0000-0x000000001C2AE000-memory.dmp

Filesize
4.8MB

Download
memory/416-1-0x000000001B040000-0x000000001B0E6000-memory.dmp

Filesize
664KB

Download
memory/416-6-0x0000000000A60000-0x0000000000A68000-memory.dmp

Filesize
32KB

Download
memory/416-2-0x00007FFE4CEF0000-0x00007FFE4D891000-memory.dmp

Filesize
9.6MB

Download
memory/416-0-0x00007FFE4D1A5000-0x00007FFE4D1A6000-memory.dmp

Filesize
4KB

Download
memory/416-5-0x000000001B6F0000-0x000000001B78C000-memory.dmp

Filesize
624KB

Download
memory/416-18-0x00007FFE4CEF0000-0x00007FFE4D891000-memory.dmp

Filesize
9.6MB

Download
memory/3112-19-0x00000000022B0000-0x00000000022B1000-memory.dmp

Filesize
4KB

Download
memory/3112-20-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/3112-21-0x00000000022B0000-0x00000000022B1000-memory.dmp

Filesize
4KB

Download
memory/3112-22-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/3112-23-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/3112-24-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download

Analysis

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