Analysis

  • max time kernel
    140s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-02-2025 08:24

General

  • Target

    2025-02-06_a445bc8a0f34632247e04a38c2a7bcd3_floxif_mafia.exe

  • Size

    3.6MB

  • MD5

    a445bc8a0f34632247e04a38c2a7bcd3

  • SHA1

    34650e353affaadfe0c22e294a0d2c2ac897bdde

  • SHA256

    b70f07e7a9c3fd8c289631b81a29a7c448080cf619bc5eb80f75767a3b524205

  • SHA512

    fa97fe22a5675570d5f400e0a9cf7b023b3b6583e81a19386f3f32520f2cecdaa3e764683f6645d6a7ab6534e1b9f6b1dab19e53f8ac3a37897a5547278ee793

  • SSDEEP

    98304:pHJQppeCYmAHvt5VO+7DaDW/hokPCStf6K854e0arQ:pHJQp4vbaD3krf6K85NQ

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
  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • UPX packed file 3 IoCs

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

  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-02-06_a445bc8a0f34632247e04a38c2a7bcd3_floxif_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-02-06_a445bc8a0f34632247e04a38c2a7bcd3_floxif_mafia.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:4292

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • memory/4292-4-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/4292-15-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/4292-13-0x0000000000440000-0x00000000007D9000-memory.dmp

    Filesize

    3.6MB