General

  • Target

    a7e61e25a87bc80d6b0337a24de9c314e3e0412c27b4abbb997d17f65a083d8f

  • Size

    893KB

  • Sample

    240913-ldql8awdjj

  • MD5

    e9edd95835c7e10798dca09bba2ae19a

  • SHA1

    ef534bb8a4fc184a668a44652ace77b981f3cdd5

  • SHA256

    a7e61e25a87bc80d6b0337a24de9c314e3e0412c27b4abbb997d17f65a083d8f

  • SHA512

    1b5121b2b9c39181ba731f15579181100e50a4906aebf33e339b115e59afb43aa42060580eface0a3237b85c6ada1f4602624953165e0bf34a64ccd1b1181ec2

  • SSDEEP

    24576:CB25ZSapaLGil17BogKqQIgPJPwzHfTdd:t5ZSa4LnT8hFAHfX

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

104.250.180.178:7902

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    Adobe.exe

  • copy_folder

    Adobe

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Adobe-OTOIRK

  • 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

      79b1315cab839553008486cf182981ce0a36c1755a83e37f7b107cdb7266f0cb.exe

    • Size

      925KB

    • MD5

      0e9e305e1e69c435383eb73f66c63530

    • SHA1

      9d5eb75968bfe5a1e12af2d81f8b20322c77f2ec

    • SHA256

      79b1315cab839553008486cf182981ce0a36c1755a83e37f7b107cdb7266f0cb

    • SHA512

      1bdd88fab52efebbc81ce27b961f7a574ca6e4a9216570bf5193ff09c8f9f8771b93e0a4a312f61a208ecfec2f97b7027fa99dce35b5772d7d99a2a65ad5645e

    • SSDEEP

      24576:Ibo2IFemqKLdQ+tExSVoVKbcqmuDaomTzktr:Ic2tlKLzsAqAhtSgt

    • 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

    • 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.

    • Accesses Microsoft Outlook accounts

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks