Overview

overview

10

Static

static

10

02104f3c9c...18.exe

windows7-x64

10

02104f3c9c...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    02104f3c9c836e7dd9c5272bd499f914_JaffaCakes118

  • Size

    747KB

  • Sample

    240622-pcslza1fnq

  • MD5

    02104f3c9c836e7dd9c5272bd499f914

  • SHA1

    42337cb61d0d9d3821e3f15fcaa8fd4b9cbf3d1b

  • SHA256

    66fec634686f346a58503636e04e976a7f06c76cccaf93bb37a3a24a1e8bd71e

  • SHA512

    55e894b3c1bd4eeb4fa59099c3b55ab7b6f0975af6a32111ee1f668360d899545efeee2dc656832493d21bb86d73f8943aab699c2a09df5727ab5c8bed49df20

  • SSDEEP

    12288:hY0QVlhNPojAPTMEsUTg0oChO/Q2JbsbjPbN5qhRTtYe3f+Iw86k/9/+hNYp:e0QRJoJEfg0oChGdJQbjPbNW5tYeP+GN

Score
10/10
darkcometguest16persistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

127.0.0.1:1604

microsoft2012.no-ip.biz:1604
Mutex

DC_MUTEX-75R2849

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    rGbGJ22Y9XTr

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      02104f3c9c836e7dd9c5272bd499f914_JaffaCakes118

    • Size

      747KB

    • MD5

      02104f3c9c836e7dd9c5272bd499f914

    • SHA1

      42337cb61d0d9d3821e3f15fcaa8fd4b9cbf3d1b

    • SHA256

      66fec634686f346a58503636e04e976a7f06c76cccaf93bb37a3a24a1e8bd71e

    • SHA512

      55e894b3c1bd4eeb4fa59099c3b55ab7b6f0975af6a32111ee1f668360d899545efeee2dc656832493d21bb86d73f8943aab699c2a09df5727ab5c8bed49df20

    • SSDEEP

      12288:hY0QVlhNPojAPTMEsUTg0oChO/Q2JbsbjPbN5qhRTtYe3f+Iw86k/9/+hNYp:e0QRJoJEfg0oChGdJQbjPbNW5tYeP+GN

    Score
    10/10
    darkcometguest16persistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • 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
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks