General

  • Target

    JaffaCakes118_066bc63735b9b81b6c128cef80875b8d

  • Size

    602KB

  • Sample

    250121-whreesvrdt

  • MD5

    066bc63735b9b81b6c128cef80875b8d

  • SHA1

    d77d918ff480eefa16fdff2de5ea43f201a5ec17

  • SHA256

    49e2d07d455085e8d383075973888ba377beba7b886803def6e5ec8b1b22e9f2

  • SHA512

    fb3e1b6f067ef17f128f05ba89236806833b8606cc424fc20d722f8c132c5acfb4ad0557c1c686be4865a3aeb2e3207d8bf2e197cb3bd43033b2dfc81b96e46d

  • SSDEEP

    12288:XcW7KEZlPzCy37SSdgJAM9rbt54XCf0y+ApXgIcm6JdW:pKiRzC0SSsAM934XFy+uZcmid

Malware Config

Extracted

Family

darkcomet

Botnet

best

C2

http://88.123.201.188:1604

Mutex

DC_MUTEX-5EH1QC9

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    uAnXqqUATyJs

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      JaffaCakes118_066bc63735b9b81b6c128cef80875b8d

    • Size

      602KB

    • MD5

      066bc63735b9b81b6c128cef80875b8d

    • SHA1

      d77d918ff480eefa16fdff2de5ea43f201a5ec17

    • SHA256

      49e2d07d455085e8d383075973888ba377beba7b886803def6e5ec8b1b22e9f2

    • SHA512

      fb3e1b6f067ef17f128f05ba89236806833b8606cc424fc20d722f8c132c5acfb4ad0557c1c686be4865a3aeb2e3207d8bf2e197cb3bd43033b2dfc81b96e46d

    • SSDEEP

      12288:XcW7KEZlPzCy37SSdgJAM9rbt54XCf0y+ApXgIcm6JdW:pKiRzC0SSsAM934XFy+uZcmid

    • Darkcomet

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

    • Darkcomet family

    • Modifies WinLogon for persistence

    • Modifies firewall policy service

    • Modifies security service

    • Windows security bypass

    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks