General

  • Target

    3a37c34e5b677b4388176fdcb41ce5c8971f6dc82116adc99309ca744c58ba66.lnk

  • Size

    122KB

  • Sample

    240822-ngq39sthjg

  • MD5

    ffde299028d48cb2258d274f44d56766

  • SHA1

    678fe2a8a01339138194a70763d69d18d2772beb

  • SHA256

    3a37c34e5b677b4388176fdcb41ce5c8971f6dc82116adc99309ca744c58ba66

  • SHA512

    4273ec62e22493ca163095d7d97c3ad6464d4d3a30eafd906ad2e0a7a3bf10524424ebab394d9c2750a8a6407be6d6830ff250179455c0864db145bcee8899ef

  • SSDEEP

    48:8SJXs8A2A8lBUpIuuwITyJjiYG+OV1sUAZCQkBK:8SJXb9A8bUxjFGpV1sRZJ

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://2.58.56.124/API481f.zip

Extracted

Family

remcos

Botnet

eyhfduytc

C2

195.26.87.40:2404

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

    khguytiof-KRP6QJ

  • 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

      3a37c34e5b677b4388176fdcb41ce5c8971f6dc82116adc99309ca744c58ba66.lnk

    • Size

      122KB

    • MD5

      ffde299028d48cb2258d274f44d56766

    • SHA1

      678fe2a8a01339138194a70763d69d18d2772beb

    • SHA256

      3a37c34e5b677b4388176fdcb41ce5c8971f6dc82116adc99309ca744c58ba66

    • SHA512

      4273ec62e22493ca163095d7d97c3ad6464d4d3a30eafd906ad2e0a7a3bf10524424ebab394d9c2750a8a6407be6d6830ff250179455c0864db145bcee8899ef

    • SSDEEP

      48:8SJXs8A2A8lBUpIuuwITyJjiYG+OV1sUAZCQkBK:8SJXb9A8bUxjFGpV1sRZJ

    • Remcos

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

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

    • Command and Scripting Interpreter: AutoIT

      Using AutoIT for possible automate script.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks