Analysis

  • max time kernel
    102s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/12/2024, 02:00

General

  • Target
    b3e98870828aca7f90a55431f0985f601a35f7b7a8b16f67e7ca870fb43db568.exe
  • Size 224KB
  • Sample241225-ce4qsstnhs
  • SHA256 b3e98870828aca7f90a55431f0985f601a35f7b7a8b16f67e7ca870fb43db568
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Floxif family
  • Floxif, Floodfix

    Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.

  • Detects Floxif payload 1 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • UPX packed file 3 IoCs

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

  • Drops file in Program Files directory 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b3e98870828aca7f90a55431f0985f601a35f7b7a8b16f67e7ca870fb43db568.exe
    "C:\Users\Admin\AppData\Local\Temp\b3e98870828aca7f90a55431f0985f601a35f7b7a8b16f67e7ca870fb43db568.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:2988

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        symsrv.dll

        • Path C:\Program Files\Common Files\System\symsrv.dll
        • Size 67KB
        • SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
        • MD5 SHA1 SHA512 SSDEEP

        memory/2988-2-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/2988-6-0x000000000040C000-0x000000000040F000-memory.dmp

        memory/2988-15-0x0000000010000000-0x0000000010030000-memory.dmp