General

  • Target

    777c342842ebb22a72ce1d893c4ed78637911578c7b3593893effbc12ef5600f

  • Size

    1.9MB

  • Sample

    241106-148m2s1nak

  • MD5

    219fa77e56365fdef1af982fb1f9e2e9

  • SHA1

    107f89372bafa6359d6c3149046e203352485874

  • SHA256

    777c342842ebb22a72ce1d893c4ed78637911578c7b3593893effbc12ef5600f

  • SHA512

    4e79442273ab0deeae00a52c66e689dee3eaf9243492ee11ef167cb1208f1fc1a7fb7eaed2c62efb7a79f0bcabc29c829d8717a58cbc78abd4762e520b505b81

  • SSDEEP

    49152:zuKR34gS20bwlIhMilvtgLe+w0KGORLxgAkdox:kgSL8lIhpWIpGORLNrx

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

162.251.122.86:6644

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • 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-CGA6IQ

  • 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-11880-SP08576-Order-11-2024.exe

    • Size

      3.5MB

    • MD5

      60289b63285b0b7bab457e729c2f1b87

    • SHA1

      b20e0bc2518a49d1d5f7f9c843c0e602fd0225a7

    • SHA256

      3042322397ce6625019ea77b84a74d44053fd0ea292872acb9edee7a3d42f467

    • SHA512

      03e7ea04cf7319915fe28c3d89fdfb4be757fb1951556e895a043a313bbd4a87e785952641587c23480b7d6aa3dcdf37ef1093fd368f9821cc0aa289cfd01ccf

    • SSDEEP

      49152:2uOFJogSS0pwVgdiGPZtiLA+cgumORxPkAqjkD:ZgSX6Vgdb+C7mORxrtD

    • Remcos

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

    • Remcos family

    • UAC bypass

    • Windows security bypass

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Windows security modification

    • Accesses Microsoft Outlook accounts

    • Checks whether UAC is enabled

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks