Analysis

  • max time kernel
    93s
  • 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
    24-12-2024 12:22

General

  • Target

    2024-12-24_6af3519082ecb095698fcfbde1267cf5_floxif_mafia.exe

  • Size

    1.9MB

  • MD5

    6af3519082ecb095698fcfbde1267cf5

  • SHA1

    a50ee83510933a2ae1406c5f0c288b145191fb70

  • SHA256

    323587a184091e7923b1e674bf8d79196c0616d37d4556ed6b263889be9e287c

  • SHA512

    d84a9ae8d5f9d86120923d08e17e550378503579944a4f51e09bea57c73b625175031a20bc7312ecbed8987529f2dbb008ab1b236714154d1ccb70c76ebf240c

  • SSDEEP

    49152:OeLjveDGVx+KJtOw8RG48p85PCzcs7dGyayEFD54LD9RJ4KvJFBVAX69FPfr:rLeGOKTOw898O56zcs7dGyayEALD9Hvl

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
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-12-24_6af3519082ecb095698fcfbde1267cf5_floxif_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-24_6af3519082ecb095698fcfbde1267cf5_floxif_mafia.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:5040

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/5040-4-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/5040-6-0x0000000000A71000-0x0000000000A72000-memory.dmp

    Filesize

    4KB

  • memory/5040-9-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/5040-7-0x0000000000A70000-0x0000000000C50000-memory.dmp

    Filesize

    1.9MB