General

  • Target

    004dd9dbabe1318796dcbfa1a4f6f4d5abca1606c37c745d0102c8e7ef03099eN.exe

  • Size

    1.5MB

  • Sample

    250212-wp4y4a1qgk

  • MD5

    7037e0a6b3163b5003b452e434f637e0

  • SHA1

    2e69bce27b37dc1a604b19683f18b7fca8c78379

  • SHA256

    004dd9dbabe1318796dcbfa1a4f6f4d5abca1606c37c745d0102c8e7ef03099e

  • SHA512

    a949b1619c0b83c6456cfd350edf5495fb6bdea2514dd1701ec64131b5b054e167ee515487cfa14eff5de89a5bb5ead910b833242d495192b0e69c718d017ce0

  • SSDEEP

    24576:mD39dlfGQrFUspugRNJI2DJnUw9W/j+BeKJWqk:mF+QrFUBgq25eK6

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

213.183.58.19:4000

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    remcos.exe

  • copy_folder

    remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    true

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    read.dat

  • keylog_flag

    false

  • keylog_folder

    CastC

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    remcos_sccafsoidz

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      004dd9dbabe1318796dcbfa1a4f6f4d5abca1606c37c745d0102c8e7ef03099eN.exe

    • Size

      1.5MB

    • MD5

      7037e0a6b3163b5003b452e434f637e0

    • SHA1

      2e69bce27b37dc1a604b19683f18b7fca8c78379

    • SHA256

      004dd9dbabe1318796dcbfa1a4f6f4d5abca1606c37c745d0102c8e7ef03099e

    • SHA512

      a949b1619c0b83c6456cfd350edf5495fb6bdea2514dd1701ec64131b5b054e167ee515487cfa14eff5de89a5bb5ead910b833242d495192b0e69c718d017ce0

    • SSDEEP

      24576:mD39dlfGQrFUspugRNJI2DJnUw9W/j+BeKJWqk:mF+QrFUBgq25eK6

    • Remcos

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

    • Remcos family

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks