darkcomet | 0cf7eda61bb962e320470af8441123db0253eb6e2f47302983044ec035b1891b | Triage

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Overview

overview

Static

static

5

0cf7eda61b...1b.exe

windows7-x64

0cf7eda61b...1b.exe

windows10-2004-x64

Sharing

General

Target

0cf7eda61bb962e320470af8441123db0253eb6e2f47302983044ec035b1891b
Size

592KB
Sample

241019-w5175s1cqh
MD5

4c07b73b8f0a036675ea254cb9fe3417
SHA1

838522dc8f95c2ee78bc9bc786c6d1c6cc8e3f03
SHA256

0cf7eda61bb962e320470af8441123db0253eb6e2f47302983044ec035b1891b
SHA512

bd9308617edbe69fbd5ef67e39dbd248ce9af6a1264ab544394f44b7aac975fa3b14a5d780a2d06d682f35bb01a429f5a70fa70b390169343831d2b40a4ee573
SSDEEP

12288:wcWRJxhIUKofd9S88itJsL6s8GwUF81yn0FI/6IC0XoSv:TW/xhIUKofSytJsL6HUP0OHCU

Score

10^/10

darkcomet discovery persistence rat trojan upx

Static task

static1

2 signatures

Behavioral task

behavioral1

Sample

0cf7eda61bb962e320470af8441123db0253eb6e2f47302983044ec035b1891b.exe

Resource

win7-20240903-en

darkcomet discovery persistence rat trojan upx

windows7-x64

14 signatures

150 seconds

Behavioral task

behavioral2

Sample

0cf7eda61bb962e320470af8441123db0253eb6e2f47302983044ec035b1891b.exe

Resource

win10v2004-20241007-en

darkcomet discovery persistence rat trojan upx

windows10-2004-x64

14 signatures

150 seconds

Malware Config

Targets

- Target
  
  0cf7eda61bb962e320470af8441123db0253eb6e2f47302983044ec035b1891b
- Size
  
  592KB
- MD5
  
  4c07b73b8f0a036675ea254cb9fe3417
- SHA1
  
  838522dc8f95c2ee78bc9bc786c6d1c6cc8e3f03
- SHA256
  
  0cf7eda61bb962e320470af8441123db0253eb6e2f47302983044ec035b1891b
- SHA512
  
  bd9308617edbe69fbd5ef67e39dbd248ce9af6a1264ab544394f44b7aac975fa3b14a5d780a2d06d682f35bb01a429f5a70fa70b390169343831d2b40a4ee573
- SSDEEP
  
  12288:wcWRJxhIUKofd9S88itJsL6s8GwUF81yn0FI/6IC0XoSv:TW/xhIUKofSytJsL6HUP0OHCU
Score

10^/10

darkcomet discovery persistence rat trojan upx
- Darkcomet
  DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
  trojan rat darkcomet
- 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.
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
  persistence
- Suspicious use of SetThreadContext
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
behavioral1 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Privilege Escalation

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Defense Evasion

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

darkcometdiscoverypersistencerattrojanupx

behavioral2

darkcometdiscoverypersistencerattrojanupx

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