darkcomet | 34fc174b34a0431f79631830ac22b1fd0c43885c9730b3bcb1be24cdd9b9c575 | Triage

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Overview

overview

Static

static

JaffaCakes...8e.exe

windows7-x64

JaffaCakes...8e.exe

windows10-2004-x64

Sharing

General

Target

JaffaCakes118_6feba3d275b110decd6eb87a6049588e
Size

659KB
Sample

250103-1kfsxsxncl
MD5

6feba3d275b110decd6eb87a6049588e
SHA1

221ba0f75e6de67d03fb378a8bf6a5ab5e661ab0
SHA256

34fc174b34a0431f79631830ac22b1fd0c43885c9730b3bcb1be24cdd9b9c575
SHA512

dd06aad41b67b4cdfa6f42086db389f95352c2475784f6c6fd92644551822944deef44992daebf5c3590ed7a70222106a7030ba18701e00e8c42954fdfc42a4f
SSDEEP

12288:h9AFlAd0Z+89cxTGzO4AucTD8QP2lmFSrVs9LqnKJ:XAQ6Zx9cxTmOrucTIEFSpOGg

Score

10^/10

darkcomet discovery evasion persistence rat trojan

Static task

static1

2 signatures

Behavioral task

behavioral1

Sample

JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe

Resource

win7-20240903-en

darkcomet discovery evasion persistence rat trojan

windows7-x64

19 signatures

150 seconds

Behavioral task

behavioral2

Sample

JaffaCakes118_6feba3d275b110decd6eb87a6049588e.exe

Resource

win10v2004-20241007-en

darkcomet discovery evasion persistence rat trojan

windows10-2004-x64

21 signatures

150 seconds

Malware Config

Targets

- Target
  
  JaffaCakes118_6feba3d275b110decd6eb87a6049588e
- Size
  
  659KB
- MD5
  
  6feba3d275b110decd6eb87a6049588e
- SHA1
  
  221ba0f75e6de67d03fb378a8bf6a5ab5e661ab0
- SHA256
  
  34fc174b34a0431f79631830ac22b1fd0c43885c9730b3bcb1be24cdd9b9c575
- SHA512
  
  dd06aad41b67b4cdfa6f42086db389f95352c2475784f6c6fd92644551822944deef44992daebf5c3590ed7a70222106a7030ba18701e00e8c42954fdfc42a4f
- SSDEEP
  
  12288:h9AFlAd0Z+89cxTGzO4AucTD8QP2lmFSrVs9LqnKJ:XAQ6Zx9cxTmOrucTIEFSpOGg
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
- Darkcomet family
  darkcomet
- Modifies WinLogon for persistence
  persistence
- Windows security bypass
  evasion trojan
- Checks BIOS information in registry
  BIOS information is often read in order to detect sandboxing environments.
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Deletes itself
- Executes dropped EXE
- Loads dropped DLL
- Windows security modification
  evasion trojan
- Adds Run key to start application
  persistence
- 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

Impair Defenses

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Query Registry

System Information Discovery

System Location Discovery

System Language Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

darkcometdiscoveryevasionpersistencerattrojan

behavioral2

darkcometdiscoveryevasionpersistencerattrojan

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