General

  • Target

    b21ac76abc67bfdda50c9b93f9c8bf876d14298edd879c66d50960d5957a521a

  • Size

    402KB

  • Sample

    221020-1qnqqagbd7

  • MD5

    a018400102cad9b5628ceda688e20c40

  • SHA1

    cbc3d0f75f200330783036288c3ce90e13b0cfa1

  • SHA256

    b21ac76abc67bfdda50c9b93f9c8bf876d14298edd879c66d50960d5957a521a

  • SHA512

    6efb63cd234d364d1fcbdaa5d5d518c09c000ece6b896e654f4a4c1e1241655dcb12f21e5108099962a7a704cdec41d306b3546900e4e3b5a9e498555b397b6d

  • SSDEEP

    6144:DBJVqu5jxRl+t6Ge0qw0kw9+Ks9a8/7z6lnRy8HuDlD3nbBalsYECdc70JwdK+Jh:DtqwjxRl+t6GfL7zcRyauJbcsAc7Yw

Malware Config

Extracted

Family

darkcomet

Botnet

Vitma

C2

driofraps.no-ip.org:2222

Mutex

DC_MUTEX-54TC9J0

Attributes
  • InstallPath

    MSDCSC\chrome.exe

  • gencode

    a9QNqgBQ04mL

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      b21ac76abc67bfdda50c9b93f9c8bf876d14298edd879c66d50960d5957a521a

    • Size

      402KB

    • MD5

      a018400102cad9b5628ceda688e20c40

    • SHA1

      cbc3d0f75f200330783036288c3ce90e13b0cfa1

    • SHA256

      b21ac76abc67bfdda50c9b93f9c8bf876d14298edd879c66d50960d5957a521a

    • SHA512

      6efb63cd234d364d1fcbdaa5d5d518c09c000ece6b896e654f4a4c1e1241655dcb12f21e5108099962a7a704cdec41d306b3546900e4e3b5a9e498555b397b6d

    • SSDEEP

      6144:DBJVqu5jxRl+t6Ge0qw0kw9+Ks9a8/7z6lnRy8HuDlD3nbBalsYECdc70JwdK+Jh:DtqwjxRl+t6GfL7zcRyauJbcsAc7Yw

    • Darkcomet

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

    • Modifies WinLogon for persistence

    • Disables Task Manager via registry modification

    • Executes dropped EXE

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Checks computer location settings

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

    • Deletes itself

    • Loads dropped DLL

    • Adds Run key to start application

MITRE ATT&CK Enterprise v6

Tasks