Overview

overview

10

Static

static

10

2a0960a210...11.exe

windows7-x64

10

2a0960a210...11.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111

  • Size

    658KB

  • Sample

    221125-ljz3vagc74

  • MD5

    95f8e456ac2d3c5a86b002596fb9015c

  • SHA1

    902684ac2da80970b8d37a683485a8645d10468f

  • SHA256

    2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111

  • SHA512

    5820bb9fb23e009770f3aa5003b347a7d5730a24eb66eb7380c7b10e4adc679e0491de1bd47002a32985f3bb999e1f340de47905f5a32e9592f1f89934f32b6d

  • SSDEEP

    12288:e9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hE:qZ1xuVVjfFoynPaVBUR8f+kN10EB2

Score
10/10
darkcometallevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

All

C2

deeside.ddns.net:1604

Mutex

DC_MUTEX-Q7AJXN5

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    Xdh5jBJVLZA4

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111

    • Size

      658KB

    • MD5

      95f8e456ac2d3c5a86b002596fb9015c

    • SHA1

      902684ac2da80970b8d37a683485a8645d10468f

    • SHA256

      2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111

    • SHA512

      5820bb9fb23e009770f3aa5003b347a7d5730a24eb66eb7380c7b10e4adc679e0491de1bd47002a32985f3bb999e1f340de47905f5a32e9592f1f89934f32b6d

    • SSDEEP

      12288:e9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hE:qZ1xuVVjfFoynPaVBUR8f+kN10EB2

    Score
    10/10
    darkcometallevasionpersistencerattrojan

    • 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

    • Disables RegEdit via registry modification

      evasion

    • 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

    • 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

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

7
T1112

Disabling Security Tools

2
T1089

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