General

  • Target

    933175fbcc22497d4480e9e7f83024c0N

  • Size

    1.2MB

  • Sample

    240909-w49g5asgkj

  • MD5

    933175fbcc22497d4480e9e7f83024c0

  • SHA1

    4dbb3132efb703420efa7836a9dd25cf6c71817e

  • SHA256

    c66e049eaa0a385ba5caef7368c3a4a3948f5d8aa7834625f2078268e430aba8

  • SHA512

    db417cf645400dc430047439a79bb53cebbfad1d5eecf370fd378da63dedbd92250a789c1015dac0d7800273796e9891dfde9194b715195b37be3a91e313d101

  • SSDEEP

    24576:01x4znML6UaPV7LAdK3rWnpgDyt4+3rTdJDrvAoOPUFApaV:0PMnML6vd7LAdK3wgr+ndFrKBM

Malware Config

Extracted

Family

remcos

Botnet

Aug 13

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-SYI1YB

  • 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

      933175fbcc22497d4480e9e7f83024c0N

    • Size

      1.2MB

    • MD5

      933175fbcc22497d4480e9e7f83024c0

    • SHA1

      4dbb3132efb703420efa7836a9dd25cf6c71817e

    • SHA256

      c66e049eaa0a385ba5caef7368c3a4a3948f5d8aa7834625f2078268e430aba8

    • SHA512

      db417cf645400dc430047439a79bb53cebbfad1d5eecf370fd378da63dedbd92250a789c1015dac0d7800273796e9891dfde9194b715195b37be3a91e313d101

    • SSDEEP

      24576:01x4znML6UaPV7LAdK3rWnpgDyt4+3rTdJDrvAoOPUFApaV:0PMnML6vd7LAdK3wgr+ndFrKBM

    • Remcos

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

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • 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.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook accounts

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks