Analysis

  • max time kernel
    110s
  • max time network
    52s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    16-08-2024 23:35

General

  • Target

    8309167a3c354e7c9fbc4da75e626190N.exe

  • Size

    300KB

  • MD5

    8309167a3c354e7c9fbc4da75e626190

  • SHA1

    c6f5f071b5c3abb50d9a8e297f2aee762846f266

  • SHA256

    9a7fac10fe0ee58e5b61da22d740a7387d1f9e5168946c05b79de56199698e1a

  • SHA512

    eb956ab46b007746a90213725ed9211d2c6da58da96e82cf7e46d7be5f5af8133f27fb2ca6e8a06052627967bfc3f1515da8b1c2972b9ef27d05b45c1a5e8565

  • SSDEEP

    6144:ASNn7p8F1g+oG1IZgaZ7pOOF2JsUBV+UdvrEFp7hKqkkkkkkkkkkkkkkkkkkkEkX:xn7p8F1g+oG1IZgaZ7pF2J9BjvrEH7tc

Malware Config

Signatures

  • 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 2 IoCs
  • UPX packed file 3 IoCs

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

  • Drops file in Program Files directory 1 IoCs
  • Program crash 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 WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8309167a3c354e7c9fbc4da75e626190N.exe
    "C:\Users\Admin\AppData\Local\Temp\8309167a3c354e7c9fbc4da75e626190N.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2244
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2244 -s 272
      2⤵
      • Loads dropped DLL
      • Program crash
      PID:3008

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • memory/2244-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2244-8-0x0000000000940000-0x000000000097B000-memory.dmp

    Filesize

    236KB

  • memory/2244-9-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB