Overview

overview

10

Static

static

21cabd7712...55.exe

windows7-x64

10

21cabd7712...55.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    21cabd77124daa5365171111e599e0d1451b11f2d8d051eef184fac01837f855

  • Size

    839KB

  • Sample

    221123-r59r3add91

  • MD5

    716a5a605210a120fbf1ff9e5c51f05f

  • SHA1

    b471a3fdea022668e3f57c9c1f0172f821b3e9d2

  • SHA256

    21cabd77124daa5365171111e599e0d1451b11f2d8d051eef184fac01837f855

  • SHA512

    e867601e8648e2508961a26d9bd33f560165425f16dfbd695ecf7d9d54052cbfeb35bcbed316eb3116fb236b4987a2b238cf7f62c046a4bd534b30105979ba82

  • SSDEEP

    12288:QTIHhdXKcl+XRhORnhRZxdGJAVGWuCAIMd0coVXi3W8vsoxDrS7YlX:Qq3XK6+X3OR3Zxd6UwCydGVkW83Dr

Score
10/10
darkcometvictimspersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Victims

C2

mrchbk.noip.me:2123

Mutex

DC_MUTEX-EZ6YFTY

Attributes
  • gencode

    4FUM8Qy2Ej7F

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

Targets

    • Target

      21cabd77124daa5365171111e599e0d1451b11f2d8d051eef184fac01837f855

    • Size

      839KB

    • MD5

      716a5a605210a120fbf1ff9e5c51f05f

    • SHA1

      b471a3fdea022668e3f57c9c1f0172f821b3e9d2

    • SHA256

      21cabd77124daa5365171111e599e0d1451b11f2d8d051eef184fac01837f855

    • SHA512

      e867601e8648e2508961a26d9bd33f560165425f16dfbd695ecf7d9d54052cbfeb35bcbed316eb3116fb236b4987a2b238cf7f62c046a4bd534b30105979ba82

    • SSDEEP

      12288:QTIHhdXKcl+XRhORnhRZxdGJAVGWuCAIMd0coVXi3W8vsoxDrS7YlX:Qq3XK6+X3OR3Zxd6UwCydGVkW83Dr

    Score
    10/10
    darkcometvictimspersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Executes dropped EXE

    • Checks computer location settings

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

    • 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

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Scripting

1
T1064

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks