General

  • Target
    2026-09-07_dbca62e91b995696fe2be8e2a269859c_elex_feodo_wannacry
  • Size 93KB
  • Sample260908-erch7a1frf
  • SHA256 797a1701f23a5cbb498f4993fe3bb8652bae8e6a3d1f6125eaf4369894896577
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      2026-09-07_dbca62e91b995696fe2be8e2a269859c_elex_feodo_wannacry
    • Size 93KB
    • SHA256 797a1701f23a5cbb498f4993fe3bb8652bae8e6a3d1f6125eaf4369894896577
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects Farfli Backdoor

    • Family: Farfli

      Farfli is a Windows backdoor written in C++.

    • Detects executables containing base64 encoded User Agent

    • UPX dump on OEP (original entry point)

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Deletes itself

    • 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.

    • Adds Run key to start application

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v16

Tasks