General

  • Target

    db01a90149095e26573ea6ccec5a68f8_JaffaCakes118

  • Size

    92KB

  • Sample

    240911-xhc3gaxckf

  • MD5

    db01a90149095e26573ea6ccec5a68f8

  • SHA1

    4561d246584a85b91b0e93f812a45b358a5080f2

  • SHA256

    61df7ca0905ea6e9d63cb0f6cf9a1d2cb7b4feb201a0d67eb28ea7bb4af5d98d

  • SHA512

    482cc4d84fd2e2704b2d3407700b70da893c51fd7848a594ac93dd7d0cb876d2d38b113968aba04b0cd3d8880f06116f8b1266e171bfd6e2b3db2c323e8466ca

  • SSDEEP

    1536:QhhW0YTGZWdVseJxaM9kraLdV2QkQ1TbPX8IHOCkIsI4ESHNTh9E+JP19qkP69rR:2hzYTGWVvJ8f2v1TbPzuMsIFSHNThy+E

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

94.237.28.110:64526

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    system32.exe

  • copy_folder

    system32

  • delete_file

    true

  • hide_file

    true

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    system32.dat

  • keylog_flag

    false

  • keylog_folder

    system32

  • keylog_path

    %AppData%

  • mouse_option

    true

  • mutex

    remcos_ygupmnetsf

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    system32

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      db01a90149095e26573ea6ccec5a68f8_JaffaCakes118

    • Size

      92KB

    • MD5

      db01a90149095e26573ea6ccec5a68f8

    • SHA1

      4561d246584a85b91b0e93f812a45b358a5080f2

    • SHA256

      61df7ca0905ea6e9d63cb0f6cf9a1d2cb7b4feb201a0d67eb28ea7bb4af5d98d

    • SHA512

      482cc4d84fd2e2704b2d3407700b70da893c51fd7848a594ac93dd7d0cb876d2d38b113968aba04b0cd3d8880f06116f8b1266e171bfd6e2b3db2c323e8466ca

    • SSDEEP

      1536:QhhW0YTGZWdVseJxaM9kraLdV2QkQ1TbPX8IHOCkIsI4ESHNTh9E+JP19qkP69rR:2hzYTGWVvJ8f2v1TbPzuMsIFSHNThy+E

    • Remcos

      Remcos is a closed-source remote control and surveillance software.

    • UAC bypass

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks