Overview

overview

10

Static

static

10

626dab42d4...14.exe

windows7-x64

10

626dab42d4...14.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    626dab42d424d40c23ae40bed02f3d826e404e964cca3877979a18b13a852c14

  • Size

    658KB

  • Sample

    221126-ptxbgsga3s

  • MD5

    77877cbf3a974a22942251639c9b4f44

  • SHA1

    8592457a1ed0d904845d9c4bc3434b30bcd626ff

  • SHA256

    626dab42d424d40c23ae40bed02f3d826e404e964cca3877979a18b13a852c14

  • SHA512

    6a8a1ec91f2482b7ea0211d41cf611b6ebe983c21211b875783362bcb02b03f3a1b4def2b41b6d0073cb65ec3a186585d2004795abc486a518db1c6769da7739

  • SSDEEP

    12288:+9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/h5:KZ1xuVVjfFoynPaVBUR8f+kN10EBH

Score
10/10
darkcometdcevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

DC

C2

platrat.no-ip.biz:200

Mutex

DC_MUTEX-V7T9GZM

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    ZsFDKmYnrqzM

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    rundll32

Targets

    • Target

      626dab42d424d40c23ae40bed02f3d826e404e964cca3877979a18b13a852c14

    • Size

      658KB

    • MD5

      77877cbf3a974a22942251639c9b4f44

    • SHA1

      8592457a1ed0d904845d9c4bc3434b30bcd626ff

    • SHA256

      626dab42d424d40c23ae40bed02f3d826e404e964cca3877979a18b13a852c14

    • SHA512

      6a8a1ec91f2482b7ea0211d41cf611b6ebe983c21211b875783362bcb02b03f3a1b4def2b41b6d0073cb65ec3a186585d2004795abc486a518db1c6769da7739

    • SSDEEP

      12288:+9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/h5:KZ1xuVVjfFoynPaVBUR8f+kN10EBH

    Score
    10/10
    darkcometdcevasionpersistencerattrojan

    • 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

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

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

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks