Overview

overview

10

Static

static

daf153c8c9...f1.exe

windows7-x64

10

daf153c8c9...f1.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    daf153c8c96b58f17b27eaa1b7940323b85ddfe059991a5ed8d57b750aaf17f1

  • Size

    1.2MB

  • Sample

    221203-eefebacc22

  • MD5

    2d1552fc4d7061d7ff2d0bb329f93e70

  • SHA1

    cda6295ea30076e323b49405be0e61319d037e69

  • SHA256

    daf153c8c96b58f17b27eaa1b7940323b85ddfe059991a5ed8d57b750aaf17f1

  • SHA512

    b544a1cdaa9ab1a30ba5f888ecdec0c4336ff7abde5b60ec0080c4ef9ed86d1902ee752f2e46fa7b6182a4ace735905ac3aa0c716ea38a1f7610736b531643b9

  • SSDEEP

    12288:RjFPs8PRJ7xEhU4X2EV+luiIPBLX8eI+LchMP+8uQBiJSKfK5tjZAp6q8g/6PmSJ:nZrAIIMqhPZ5IZGZcUYw62mY

Score
10/10
darkcometzombkevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

zombk

C2

zombk.no-ip.org:1500

127.0.0.1:1500

192.168.1.43:1500
Mutex

DC_MUTEX-DR20D9S

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    2hEkSK4e2CCs

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      daf153c8c96b58f17b27eaa1b7940323b85ddfe059991a5ed8d57b750aaf17f1

    • Size

      1.2MB

    • MD5

      2d1552fc4d7061d7ff2d0bb329f93e70

    • SHA1

      cda6295ea30076e323b49405be0e61319d037e69

    • SHA256

      daf153c8c96b58f17b27eaa1b7940323b85ddfe059991a5ed8d57b750aaf17f1

    • SHA512

      b544a1cdaa9ab1a30ba5f888ecdec0c4336ff7abde5b60ec0080c4ef9ed86d1902ee752f2e46fa7b6182a4ace735905ac3aa0c716ea38a1f7610736b531643b9

    • SSDEEP

      12288:RjFPs8PRJ7xEhU4X2EV+luiIPBLX8eI+LchMP+8uQBiJSKfK5tjZAp6q8g/6PmSJ:nZrAIIMqhPZ5IZGZcUYw62mY

    Score
    10/10
    darkcometzombkevasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Executes dropped EXE

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • Loads dropped DLL

    • Uses the VBS compiler for execution

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1
T1064

Persistence

Winlogon Helper DLL

1
T1004

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Hidden Files and Directories

2
T1158

Scripting

1
T1064

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks