General

  • Target

    SecuriteInfo.com.Win32.PWSX-gen.9317.6656.exe

  • Size

    896KB

  • Sample

    240925-wa58lsybmp

  • MD5

    64219e1931808919fd05dcfb458dfc25

  • SHA1

    6adb1561418be08ccaa2e448166bc36673ec60c5

  • SHA256

    ceebb7ca5adbb69127cbf5205e49840c4846cb46e4c5ac568557e7bdf9fe315c

  • SHA512

    9ce694eaf780a4d255e328f527df78c949a5c54b5ab0ba46c9800fd326e9ab0c29eec331a1bc8a8592c159c99fcd69d165baf4ab0d09b2d5ca6540f0e5bd527c

  • SSDEEP

    24576:12n4ze7gcvBx2mYa7sJw3+NHNQA6zqvkiINLYnTI:14gcvL2mT7sJw386pqvkiINc

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

127.0.0.1:52121

officerem.duckdns.org:52121

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-6GPUH1

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      SecuriteInfo.com.Win32.PWSX-gen.9317.6656.exe

    • Size

      896KB

    • MD5

      64219e1931808919fd05dcfb458dfc25

    • SHA1

      6adb1561418be08ccaa2e448166bc36673ec60c5

    • SHA256

      ceebb7ca5adbb69127cbf5205e49840c4846cb46e4c5ac568557e7bdf9fe315c

    • SHA512

      9ce694eaf780a4d255e328f527df78c949a5c54b5ab0ba46c9800fd326e9ab0c29eec331a1bc8a8592c159c99fcd69d165baf4ab0d09b2d5ca6540f0e5bd527c

    • SSDEEP

      24576:12n4ze7gcvBx2mYa7sJw3+NHNQA6zqvkiINLYnTI:14gcvL2mT7sJw386pqvkiINc

    • 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