Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-12-2024 13:42

General

  • Target

    2024-12-11_3bcb4487e8d70a4d34d2c9fa3b2410ff_floxif_mafia.exe

  • Size

    370KB

  • MD5

    3bcb4487e8d70a4d34d2c9fa3b2410ff

  • SHA1

    39e33bd33c7fc846fb6f186113bde9e901422a4e

  • SHA256

    b3f893d46dd49e0feeb81d22f734200d040a462a93da5316edf95a56ac29577d

  • SHA512

    e187d0730ad7b5a2cb111f635c011f411aeed52eaef44dbfade7ebc0cc590c9cd122b09760e5ead2e7aaa0a842d922e57fa7d7c90a1d1dead064ac6b8db14067

  • SSDEEP

    6144:HhItQUyP6Cwt4AFnUTH8DBEUCqqSGQArZOq4onaBzFYvGNBV+UdvrEFp7hKZ:HFP6Cwt0TH8jCPSG/rZOq/naBzaIBjvD

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
  • Event Triggered Execution: AppInit DLLs 1 TTPs

    Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

  • 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\2024-12-11_3bcb4487e8d70a4d34d2c9fa3b2410ff_floxif_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-11_3bcb4487e8d70a4d34d2c9fa3b2410ff_floxif_mafia.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:860

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Common Files\System\symsrv.dll

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • memory/860-2-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/860-6-0x0000000000BB1000-0x0000000000BB2000-memory.dmp

    Filesize

    4KB

  • memory/860-7-0x0000000000BB0000-0x0000000000BFF000-memory.dmp

    Filesize

    316KB

  • memory/860-8-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB