Analysis

  • max time kernel
    93s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-12-2024 14:25

General

  • Target

    2024-12-13_04af8c93cd6ef5a23fbffa35915fa43f_floxif_mafia.exe

  • Size

    2.6MB

  • MD5

    04af8c93cd6ef5a23fbffa35915fa43f

  • SHA1

    9cc59208ede6842ef079abffb43a53874101ec15

  • SHA256

    9d888b0eacbf7b5b75d7b34a45c4faade3f8d35b45edfa6e425a779b80b5774f

  • SHA512

    25827828a75882045a647f72c332a6b7cb710f392d0f0ad78e10601007c64f4d93036f389e897bb64c46b255ed8b809c9bf648caa2f14fe694fe8990abebb006

  • SSDEEP

    49152:Kw6c5LN7VSjOmi1viy920yqWlPlF3RyU9nxvG3bQWf9YFiEd2IRm0Smz4hJ1:Yc5LN7CHiAy92iWlPlF3RyU9nhGNfsf8

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\2024-12-13_04af8c93cd6ef5a23fbffa35915fa43f_floxif_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-13_04af8c93cd6ef5a23fbffa35915fa43f_floxif_mafia.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:436

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/436-4-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/436-6-0x00000000002B1000-0x00000000002B2000-memory.dmp

    Filesize

    4KB

  • memory/436-9-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/436-7-0x00000000002B0000-0x0000000000544000-memory.dmp

    Filesize

    2.6MB