General

  • Target

    ddea918e0f507e1cdab135b871112ded7f068a604b74873091a8a2afa6b64abb.exe

  • Size

    995KB

  • Sample

    240820-chldmascnm

  • MD5

    48bd4d3fa626aa8dca9d25ef46156206

  • SHA1

    e220354c4709946a7da5aabea4734a2e75e705c9

  • SHA256

    ddea918e0f507e1cdab135b871112ded7f068a604b74873091a8a2afa6b64abb

  • SHA512

    f6c5257d1b7f98990014d53d28e30ee47b8799357aa1c81fabdd218705da6bdfe1054ef23099f69d33344a2bfa975fa96f25b593040511acd9536e9b199bfb42

  • SSDEEP

    24576:J1x4miAehySHmDCHtHTyTz2fUpmN7GxpD0V4uFd:JPHepGnaci7GUVvFd

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

      ddea918e0f507e1cdab135b871112ded7f068a604b74873091a8a2afa6b64abb.exe

    • Size

      995KB

    • MD5

      48bd4d3fa626aa8dca9d25ef46156206

    • SHA1

      e220354c4709946a7da5aabea4734a2e75e705c9

    • SHA256

      ddea918e0f507e1cdab135b871112ded7f068a604b74873091a8a2afa6b64abb

    • SHA512

      f6c5257d1b7f98990014d53d28e30ee47b8799357aa1c81fabdd218705da6bdfe1054ef23099f69d33344a2bfa975fa96f25b593040511acd9536e9b199bfb42

    • SSDEEP

      24576:J1x4miAehySHmDCHtHTyTz2fUpmN7GxpD0V4uFd:JPHepGnaci7GUVvFd

    • 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.

    • Uses the VBS compiler for execution

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks