darkcomet | 4a01ae30245547e732dee65c67e8920e592beb370aeac21cba2f3aee44cbfbda | Triage

Sharing

General

Target

688e981a04241a918aac97054357008b_JaffaCakes118
Size

1.4MB
Sample

241022-db2mpsvbjr
MD5

688e981a04241a918aac97054357008b
SHA1

a144325ed430fbfb70d32e4830594dc9470af5c2
SHA256

4a01ae30245547e732dee65c67e8920e592beb370aeac21cba2f3aee44cbfbda
SHA512

277b9bf9c73d3e56cdc3299d89627438ade20612bd1c2367666682cd3648051a5154859d47e0c824f2b172b7066630c82128d87527e582c6907fc0e06cf3d382
SSDEEP

24576:YeHe8fAIwgw4lAAx9BhmroAGKmErF5HTMHHkeDz4GsiiSVTcon/lwNy9OIUcYH2u:YeHe8fAIwgw4lAAx9BhmnmAzEkoEondY

Score

10^/10

darkcomet discovery evasion persistence rat trojan

Malware Config

Targets

- Target
  
  688e981a04241a918aac97054357008b_JaffaCakes118
- Size
  
  1.4MB
- MD5
  
  688e981a04241a918aac97054357008b
- SHA1
  
  a144325ed430fbfb70d32e4830594dc9470af5c2
- SHA256
  
  4a01ae30245547e732dee65c67e8920e592beb370aeac21cba2f3aee44cbfbda
- SHA512
  
  277b9bf9c73d3e56cdc3299d89627438ade20612bd1c2367666682cd3648051a5154859d47e0c824f2b172b7066630c82128d87527e582c6907fc0e06cf3d382
- SSDEEP
  
  24576:YeHe8fAIwgw4lAAx9BhmroAGKmErF5HTMHHkeDz4GsiiSVTcon/lwNy9OIUcYH2u:YeHe8fAIwgw4lAAx9BhmnmAzEkoEondY
Score

10^/10

darkcomet discovery evasion persistence rat trojan
- Darkcomet
  DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
  trojan rat darkcomet
- Modifies WinLogon for persistence
  persistence
- Sets file to hidden
  Modifies file attributes to stop it showing in Explorer etc.
  evasion
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
  persistence
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
behavioral1 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Privilege Escalation

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Defense Evasion

Hide Artifacts

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Query Registry

Remote System Discovery

System Information Discovery

System Location Discovery

System Language Discovery

System Network Configuration Discovery

Internet Connection Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

darkcometdiscoveryevasionpersistencerattrojan

behavioral2

darkcometdiscoveryevasionpersistencerattrojan