Analysis

  • max time kernel
    94s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-09-2024 17:16

General

  • Target

    202409132d3ac478475282f6c1bcb4e8f6919b61floxifhijackloadermafia.exe

  • Size

    2.7MB

  • MD5

    2d3ac478475282f6c1bcb4e8f6919b61

  • SHA1

    243cd5193cd0d18a1c3762407a584eda4ac62526

  • SHA256

    78a5acc86c7e6c719aab2a754d6cef97e8c758aac2c9ef0e0ca9a7d4cb69a77b

  • SHA512

    0b5fc149eafede51f6a29190f0486878499c2433ae10aea3f973d66c37c1c7e53eef299e7f5c8503c6a057aee91c63fe8b13e8f0d9fb0d0b48c4a6ef0c0e0326

  • SSDEEP

    49152:uaSofyDdWWqJXBhgmvQojZ2toFPVmyN8LrOR23P2yYI1a7B5lcdtH9jR9W/KMZKW:nudEBhzQoMtoFPVmyN8LrOR23O8M77l7

Malware Config

Signatures

  • Floxif, Floodfix

    Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.

  • Detects Floxif payload 1 IoCs
  • 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
  • Program crash 2 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\202409132d3ac478475282f6c1bcb4e8f6919b61floxifhijackloadermafia.exe
    "C:\Users\Admin\AppData\Local\Temp\202409132d3ac478475282f6c1bcb4e8f6919b61floxifhijackloadermafia.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:2016
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2016 -s 804
      2⤵
      • Program crash
      PID:3024
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2016 -s 860
      2⤵
      • Program crash
      PID:4904
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2016 -ip 2016
    1⤵
      PID:5100
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2016 -ip 2016
      1⤵
        PID:1800

      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/2016-4-0x0000000010000000-0x0000000010030000-memory.dmp

        Filesize

        192KB

      • memory/2016-6-0x00000000004C1000-0x00000000004C2000-memory.dmp

        Filesize

        4KB

      • memory/2016-10-0x0000000010000000-0x0000000010030000-memory.dmp

        Filesize

        192KB

      • memory/2016-8-0x00000000004C0000-0x0000000000768000-memory.dmp

        Filesize

        2.7MB