Overview

overview

10

Static

static

cb15f9234c...f8.exe

windows7-x64

10

cb15f9234c...f8.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    cb15f9234cadbfd951c61339905693f6c8554fa2c89a31028da87774b55870f8

  • Size

    396KB

  • Sample

    221202-p1kw2ada4y

  • MD5

    d7f4b00a1c6f756a97bbd409e0e01e28

  • SHA1

    7d0325baff23fc02a924c0033d9ca5205770ab94

  • SHA256

    cb15f9234cadbfd951c61339905693f6c8554fa2c89a31028da87774b55870f8

  • SHA512

    db4454bcc0bc09952ac46dd18aa9a41971c52624394795c84d81625f3ba1a9f484918379d767b97a0dc9a8f232df10e541f232e42f6211e116aadbb09f896911

  • SSDEEP

    6144:yzuqM8bSZzkD9MvPGm7uDwG6tVsa8ez4d6O5Gtl50LyNdsy9eIkZg0ar:j8yE9cuvDkWazhD9dsyMI8cr

Score
10/10
darkcometvictimaevasionpersistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

victima

C2

critical.zapto.org:1604

Mutex

DC_MUTEX-ADY5V62

Attributes
  • InstallPath

    Windsound\soundloader.exe

  • gencode

    abg2bucWtxxq

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      cb15f9234cadbfd951c61339905693f6c8554fa2c89a31028da87774b55870f8

    • Size

      396KB

    • MD5

      d7f4b00a1c6f756a97bbd409e0e01e28

    • SHA1

      7d0325baff23fc02a924c0033d9ca5205770ab94

    • SHA256

      cb15f9234cadbfd951c61339905693f6c8554fa2c89a31028da87774b55870f8

    • SHA512

      db4454bcc0bc09952ac46dd18aa9a41971c52624394795c84d81625f3ba1a9f484918379d767b97a0dc9a8f232df10e541f232e42f6211e116aadbb09f896911

    • SSDEEP

      6144:yzuqM8bSZzkD9MvPGm7uDwG6tVsa8ez4d6O5Gtl50LyNdsy9eIkZg0ar:j8yE9cuvDkWazhD9dsyMI8cr

    Score
    10/10
    darkcometvictimaevasionpersistencerattrojanupx

    • Darkcomet

      DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

3
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks