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General

  • Target

    e2ea885f488456059c96c81a4bf58904323ade3f476ec4c717a43ebdb0955aad

  • Size

    1.8MB

  • Sample

    250324-zhpglsv1ey

  • MD5

    216efdc601e0cfdf9423dea7a8767143

  • SHA1

    14045825bf5b8db0ac65c7c94ed7c7dfb62f06b1

  • SHA256

    e2ea885f488456059c96c81a4bf58904323ade3f476ec4c717a43ebdb0955aad

  • SHA512

    a5ddc58640925c3bf80a4bd8a97a8f7a4486cf5146fdba480a6023eed5f8c7affd6802ff37224663c18f7ec0acc6a780a3fcced87e2b610907c93ecdf262e762

  • SSDEEP

    24576:AD39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPjoo:Ap7E+QrFUBgq21

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

      e2ea885f488456059c96c81a4bf58904323ade3f476ec4c717a43ebdb0955aad

    • Size

      1.8MB

    • MD5

      216efdc601e0cfdf9423dea7a8767143

    • SHA1

      14045825bf5b8db0ac65c7c94ed7c7dfb62f06b1

    • SHA256

      e2ea885f488456059c96c81a4bf58904323ade3f476ec4c717a43ebdb0955aad

    • SHA512

      a5ddc58640925c3bf80a4bd8a97a8f7a4486cf5146fdba480a6023eed5f8c7affd6802ff37224663c18f7ec0acc6a780a3fcced87e2b610907c93ecdf262e762

    • SSDEEP

      24576:AD39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPjoo:Ap7E+QrFUBgq21

    • Remcos

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

    • Remcos family

    • 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