General

  • Target

    ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05

  • Size

    864KB

  • Sample

    221123-s7d9lsdc27

  • MD5

    17875d9e3865227c6ccaf732edc01906

  • SHA1

    8c35f0870026545d60ae68f488f8bb5b97a3da1d

  • SHA256

    ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05

  • SHA512

    a6fa0ac5b5846e0e34e2cc2fd22ceef56bc14cdd03dc0926b360927c438939dff64a2ca1564da6b93f5fbe115156809076cf10179c500379368dac612d22a14b

  • SSDEEP

    24576:eJJ/vxZRvmGa0/xHP8ueilAKw4uBhfmrlHj:w/JZRDzpHP8uf6pmdj

Malware Config

Extracted

Family

darkcomet

Botnet

DC8-23

C2

dctx.duckdns.org:200

Mutex

DC_MUTEX-P8HGWPL

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    TBEQV3sBL45t

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05

    • Size

      864KB

    • MD5

      17875d9e3865227c6ccaf732edc01906

    • SHA1

      8c35f0870026545d60ae68f488f8bb5b97a3da1d

    • SHA256

      ef878a92695f129fdcbbe3fa24322aa28b25a178c5634e7986c912794df14c05

    • SHA512

      a6fa0ac5b5846e0e34e2cc2fd22ceef56bc14cdd03dc0926b360927c438939dff64a2ca1564da6b93f5fbe115156809076cf10179c500379368dac612d22a14b

    • SSDEEP

      24576:eJJ/vxZRvmGa0/xHP8ueilAKw4uBhfmrlHj:w/JZRDzpHP8uf6pmdj

    • Darkcomet

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

    • Modifies WinLogon for persistence

    • Modifies security service

    • Windows security bypass

    • Executes dropped EXE

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • Loads dropped DLL

    • Uses the VBS compiler for execution

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks