darkcomet | 8f58a508d5f6173b7894ad72cda79961b74b66a0e7e5b809d0eaf093a9f6a221 | Triage

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Overview

overview

Static

static

3

8f58a508d5...1N.exe

windows7-x64

8f58a508d5...1N.exe

windows10-2004-x64

Sharing

General

Target

8f58a508d5f6173b7894ad72cda79961b74b66a0e7e5b809d0eaf093a9f6a221N
Size

574KB
Sample

241028-zyy1zsvpfj
MD5

c4513af27483655fb2712768c3091b00
SHA1

d18b248c14668cd10ddf6e6519be39736fa9acc2
SHA256

8f58a508d5f6173b7894ad72cda79961b74b66a0e7e5b809d0eaf093a9f6a221
SHA512

4ee62f9287edf0274d749573fe2cc811905bf8f7d9163dc936ea73e3f4347c2204d9eb6e45f2d936651f9f704dd9813242beedb0e827717a7cfc1a6def2dd8b2
SSDEEP

12288:zCyEHAWAdljmJqkC3xMX85FSR2f9A08NIX+Vjwd4G/3z1ET4m3Hdsubm:zFhWAfn22m0eD1GPz8Hdxy

Score

10^/10

darkcomet discovery persistence rat trojan upx

Static task

static1

1 signatures

Behavioral task

behavioral1

Sample

8f58a508d5f6173b7894ad72cda79961b74b66a0e7e5b809d0eaf093a9f6a221N.exe

Resource

win7-20240903-en

darkcomet discovery persistence rat trojan upx

windows7-x64

15 signatures

120 seconds

Behavioral task

behavioral2

Sample

8f58a508d5f6173b7894ad72cda79961b74b66a0e7e5b809d0eaf093a9f6a221N.exe

Resource

win10v2004-20241007-en

darkcomet discovery persistence rat trojan upx

windows10-2004-x64

15 signatures

120 seconds

Malware Config

Targets

- Target
  
  8f58a508d5f6173b7894ad72cda79961b74b66a0e7e5b809d0eaf093a9f6a221N
- Size
  
  574KB
- MD5
  
  c4513af27483655fb2712768c3091b00
- SHA1
  
  d18b248c14668cd10ddf6e6519be39736fa9acc2
- SHA256
  
  8f58a508d5f6173b7894ad72cda79961b74b66a0e7e5b809d0eaf093a9f6a221
- SHA512
  
  4ee62f9287edf0274d749573fe2cc811905bf8f7d9163dc936ea73e3f4347c2204d9eb6e45f2d936651f9f704dd9813242beedb0e827717a7cfc1a6def2dd8b2
- SSDEEP
  
  12288:zCyEHAWAdljmJqkC3xMX85FSR2f9A08NIX+Vjwd4G/3z1ET4m3Hdsubm:zFhWAfn22m0eD1GPz8Hdxy
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
- Darkcomet family
  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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