General

  • Target

    7a7ecaf29b080cf0b0235a470f13ae9abaf361a5298a500b8ed3a75d57853f04

  • Size

    899KB

  • Sample

    221125-k9rnqaff66

  • MD5

    b27c19ec70b1dd4cf494bd51dfdeeb9f

  • SHA1

    d3cbabc40a2cf7e9f74ed837a730037cb3f2641b

  • SHA256

    7a7ecaf29b080cf0b0235a470f13ae9abaf361a5298a500b8ed3a75d57853f04

  • SHA512

    a332e9148af245cf11339e5a3308fa1713cc33a011a110c839442027bd2cd952a38aa95be6e76219386e037270974f236e5f7f5260a0d10628f6285f850a9b4f

  • SSDEEP

    12288:az7LI28qVU4SSUS8cl6crU+39M34LmDbvUyHotFGQajLhcpBGV8XfvbQY6s9i0Vd:afU2pBQ1cx3904rtYgaZkNVd

Malware Config

Extracted

Family

darkcomet

Botnet

ayyýldýztim2

C2

ayyildiztim06.dds.net:4919

Mutex

DC_MUTEX-51KGM4F

Attributes
  • InstallPath

    MSDCSC\svchost.exe

  • gencode

    w98gEx0KRcX2

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    svchost

Targets

    • Target

      7a7ecaf29b080cf0b0235a470f13ae9abaf361a5298a500b8ed3a75d57853f04

    • Size

      899KB

    • MD5

      b27c19ec70b1dd4cf494bd51dfdeeb9f

    • SHA1

      d3cbabc40a2cf7e9f74ed837a730037cb3f2641b

    • SHA256

      7a7ecaf29b080cf0b0235a470f13ae9abaf361a5298a500b8ed3a75d57853f04

    • SHA512

      a332e9148af245cf11339e5a3308fa1713cc33a011a110c839442027bd2cd952a38aa95be6e76219386e037270974f236e5f7f5260a0d10628f6285f850a9b4f

    • SSDEEP

      12288:az7LI28qVU4SSUS8cl6crU+39M34LmDbvUyHotFGQajLhcpBGV8XfvbQY6s9i0Vd:afU2pBQ1cx3904rtYgaZkNVd

    • 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.

    • Checks computer location settings

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

    • Loads dropped DLL

    • Windows security modification

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks