General

  • Target

    PO-08142024.exe

  • Size

    1.2MB

  • Sample

    240815-mhn5mashmn

  • MD5

    6e9c47a4a54d4f31dc3be616a5207996

  • SHA1

    27172fbd827c92c449062f365c45809b25efb7bf

  • SHA256

    7aedd5e4277e592d13cb250945dac96a7b4877de807904f7caa9d8ffb14963a5

  • SHA512

    e80612bd4c0f069f49eecf1e93e5cfab6a50613f1e9436cda624378361c2ad0a4dca49ecbab0f800f085cc505c7f3601463849af04760e5ae700efb75638ee57

  • SSDEEP

    24576:01x4znML6UaPV7LAdK3rWnpgDyt4+3rTdJDrvAoOPUFApab:0PMnML6vd7LAdK3wgr+ndFrKBu

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

      PO-08142024.exe

    • Size

      1.2MB

    • MD5

      6e9c47a4a54d4f31dc3be616a5207996

    • SHA1

      27172fbd827c92c449062f365c45809b25efb7bf

    • SHA256

      7aedd5e4277e592d13cb250945dac96a7b4877de807904f7caa9d8ffb14963a5

    • SHA512

      e80612bd4c0f069f49eecf1e93e5cfab6a50613f1e9436cda624378361c2ad0a4dca49ecbab0f800f085cc505c7f3601463849af04760e5ae700efb75638ee57

    • SSDEEP

      24576:01x4znML6UaPV7LAdK3rWnpgDyt4+3rTdJDrvAoOPUFApab:0PMnML6vd7LAdK3wgr+ndFrKBu

    • 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