General

  • Target

    94338a235c9207ba31032496ba04d39ae887a3155c15d57347307df2dfa16242.exe

  • Size

    936KB

  • Sample

    240825-bqz2ba1alh

  • MD5

    f4aedd9c8b06bf6f30404ae4c5de18c0

  • SHA1

    9f3b3c5c600416806ca99050f0fe8428e0215720

  • SHA256

    94338a235c9207ba31032496ba04d39ae887a3155c15d57347307df2dfa16242

  • SHA512

    bb95bb409162e2eb1b4b17f52409c91ed38ac4fb695944fb88607df96279778626af650db6028d96e8bce742480ad9f3971896e08e6417712ee06a256111e39a

  • SSDEEP

    24576:Y9MC/qaSu32aV7pOsOwCWiB3F8mUlUAPrs3L0hMa2aa1ucko/8gv:riUu32I+jFvU6APA70hMaz+koX

Malware Config

Extracted

Family

remcos

Botnet

Aug 20C2

C2

method8888.ddns.net:6902

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-81VELC

  • 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

      94338a235c9207ba31032496ba04d39ae887a3155c15d57347307df2dfa16242.exe

    • Size

      936KB

    • MD5

      f4aedd9c8b06bf6f30404ae4c5de18c0

    • SHA1

      9f3b3c5c600416806ca99050f0fe8428e0215720

    • SHA256

      94338a235c9207ba31032496ba04d39ae887a3155c15d57347307df2dfa16242

    • SHA512

      bb95bb409162e2eb1b4b17f52409c91ed38ac4fb695944fb88607df96279778626af650db6028d96e8bce742480ad9f3971896e08e6417712ee06a256111e39a

    • SSDEEP

      24576:Y9MC/qaSu32aV7pOsOwCWiB3F8mUlUAPrs3L0hMa2aa1ucko/8gv:riUu32I+jFvU6APA70hMaz+koX

    • 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