Overview

overview

10

Static

static

3

588ba47817...18.exe

windows7-x64

10

588ba47817...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    588ba47817da2787431a7249ced65071_JaffaCakes118

  • Size

    375KB

  • Sample

    240718-wz3h1steph

  • MD5

    588ba47817da2787431a7249ced65071

  • SHA1

    79478d3802e424c4b6a1b73209bd9537ea2c8adf

  • SHA256

    6bf25c34943a5f3b6479e0e08a2932aed3fa98b281d2d137254a4bbe6c600767

  • SHA512

    6f6bcb31b7b1b2a0ebceb2d50f315d47d8c8702367eff9e592ca46e5c30cfa61012b3c0e7a44a77b359c6047c835265d27daddfa0ab96727bf1f1f1c9d5c43d3

  • SSDEEP

    6144:gXQlylog/SBmBqyPc92BPUTqQGcyTW11y+HCxR9Kg94aqGKCRYOG0NaSXFAq/qsR:gXQlylog/S8B/Pc9EP9cUWmnWgOnhCm2

Score
10/10
darkcometguest16_minpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

C2

127.0.0.1:1604

Mutex

DCMIN_MUTEX-FXR8EDD

Attributes
  • InstallPath

    DCSCMIN\IMDCSC.exe

  • gencode

    PN9gz2xXfBcc

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    DarkComet RAT

Targets

    • Target

      588ba47817da2787431a7249ced65071_JaffaCakes118

    • Size

      375KB

    • MD5

      588ba47817da2787431a7249ced65071

    • SHA1

      79478d3802e424c4b6a1b73209bd9537ea2c8adf

    • SHA256

      6bf25c34943a5f3b6479e0e08a2932aed3fa98b281d2d137254a4bbe6c600767

    • SHA512

      6f6bcb31b7b1b2a0ebceb2d50f315d47d8c8702367eff9e592ca46e5c30cfa61012b3c0e7a44a77b359c6047c835265d27daddfa0ab96727bf1f1f1c9d5c43d3

    • SSDEEP

      6144:gXQlylog/SBmBqyPc92BPUTqQGcyTW11y+HCxR9Kg94aqGKCRYOG0NaSXFAq/qsR:gXQlylog/S8B/Pc9EP9cUWmnWgOnhCm2

    Score
    10/10
    darkcometguest16_minpersistencerattrojan

    • 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