Overview

overview

10

Static

static

10

02b091375f...0e.exe

windows7-x64

10

02b091375f...0e.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    02b091375fc3fca4256e6623631f72d23bf1de0f5257ed46d245660625bf500e

  • Size

    658KB

  • Sample

    221012-2y4ycagcd2

  • MD5

    5695f7f13ff79b8abe4b4c31c9769c11

  • SHA1

    ca3d7c38bdc360e8d11f297d89174afdeca8a07b

  • SHA256

    02b091375fc3fca4256e6623631f72d23bf1de0f5257ed46d245660625bf500e

  • SHA512

    b995bef8aa87a2f21a0a9eadbc73c43ab9f201ac20228564eb03a107b77daec8282ef5bef0ee832cf12be1ce5e472eeccea679618839033ec27154e69020576b

  • SSDEEP

    12288:+9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/h8:KZ1xuVVjfFoynPaVBUR8f+kN10EB6

Score
10/10
darkcomethfevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

HF

C2

xmmoonbaby123.no-ip.org:1604

Mutex

DC_MUTEX-RAM62JL

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    kEj4w6JVBamh

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      02b091375fc3fca4256e6623631f72d23bf1de0f5257ed46d245660625bf500e

    • Size

      658KB

    • MD5

      5695f7f13ff79b8abe4b4c31c9769c11

    • SHA1

      ca3d7c38bdc360e8d11f297d89174afdeca8a07b

    • SHA256

      02b091375fc3fca4256e6623631f72d23bf1de0f5257ed46d245660625bf500e

    • SHA512

      b995bef8aa87a2f21a0a9eadbc73c43ab9f201ac20228564eb03a107b77daec8282ef5bef0ee832cf12be1ce5e472eeccea679618839033ec27154e69020576b

    • SSDEEP

      12288:+9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/h8:KZ1xuVVjfFoynPaVBUR8f+kN10EB6

    Score
    10/10
    darkcomethfevasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • Modifies security service

      evasion

    • Windows security bypass

      evasiontrojan

    • Executes dropped EXE

    • Checks computer location settings

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

    • Deletes itself

    • Loads dropped DLL

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Modify Existing Service

2
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

6
T1112

Disabling Security Tools

2
T1089

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks