General

  • Target

    81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe

  • Size

    1023KB

  • Sample

    240821-mmrrbaxdjn

  • MD5

    7b3227d251b8705a239fa50ca8070e9c

  • SHA1

    651a7aeec8cbc13f226377ad187d5fc420b22633

  • SHA256

    81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96

  • SHA512

    c6f77c480860002447ff0c252501afc750255f89fad805c39cd036b3f582ff6a2c5e14a5477d2af5014bec84d315e9e66d51a3d329f0bc3cf1608e4a9f85a141

  • SSDEEP

    24576:XHH6h1OnUfbU8QQgV/1hilQgu4FEYTZJr1nzZV8zBVdoGJb84:38Zoj/Vgu4W0pzf8loi

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

192.3.243.155:7643

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

    remcos

  • mouse_option

    false

  • mutex

    Rmc-C9YEJ8

  • 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

      81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96.exe

    • Size

      1023KB

    • MD5

      7b3227d251b8705a239fa50ca8070e9c

    • SHA1

      651a7aeec8cbc13f226377ad187d5fc420b22633

    • SHA256

      81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96

    • SHA512

      c6f77c480860002447ff0c252501afc750255f89fad805c39cd036b3f582ff6a2c5e14a5477d2af5014bec84d315e9e66d51a3d329f0bc3cf1608e4a9f85a141

    • SSDEEP

      24576:XHH6h1OnUfbU8QQgV/1hilQgu4FEYTZJr1nzZV8zBVdoGJb84:38Zoj/Vgu4W0pzf8loi

    • Remcos

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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks