General

  • Target

    a3a725947b47cd345cebf73e35f7072296c387a962d7cc90fdc1cd598ed0037c

  • Size

    2.7MB

  • Sample

    231214-ft47nabfcl

  • MD5

    8d3b2ed34908c88f0f12e22b0638a34f

  • SHA1

    e503d337e1cda9f5fc211eaa6714e9d872e3fb00

  • SHA256

    a3a725947b47cd345cebf73e35f7072296c387a962d7cc90fdc1cd598ed0037c

  • SHA512

    a6146c0d585157bde7050f950d86fcfa674dda481c9e1c5c3f9dd9a9964398e0f4a5bfed0e22b19c6d3664a07c30b094167d8224f5682927e29e1cf3e986b101

  • SSDEEP

    49152:5TGSJz3A6k544InXP1eT8QlDF7Cog/RdM6Ct+AYRHDnTei:5rlg5PInm8QxFJg1RTei

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

91.92.255.12:25050

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    Log

  • mouse_option

    false

  • mutex

    FxRmc-D5DXNS

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      a3a725947b47cd345cebf73e35f7072296c387a962d7cc90fdc1cd598ed0037c

    • Size

      2.7MB

    • MD5

      8d3b2ed34908c88f0f12e22b0638a34f

    • SHA1

      e503d337e1cda9f5fc211eaa6714e9d872e3fb00

    • SHA256

      a3a725947b47cd345cebf73e35f7072296c387a962d7cc90fdc1cd598ed0037c

    • SHA512

      a6146c0d585157bde7050f950d86fcfa674dda481c9e1c5c3f9dd9a9964398e0f4a5bfed0e22b19c6d3664a07c30b094167d8224f5682927e29e1cf3e986b101

    • SSDEEP

      49152:5TGSJz3A6k544InXP1eT8QlDF7Cog/RdM6Ct+AYRHDnTei:5rlg5PInm8QxFJg1RTei

    • Remcos

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

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

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks