Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/03/2025, 18:02

General

  • Target

    b38693168e3deafa9c9597a16a011de0fdbdcfe7e8114c15ccd5d29b4ca3782a.exe

  • Size

    2.7MB

  • MD5

    6aa95d6eaf79f8814f06783d095e066e

  • SHA1

    caad43d35383112aabc5fd3a20c4cd2bf56c3adc

  • SHA256

    b38693168e3deafa9c9597a16a011de0fdbdcfe7e8114c15ccd5d29b4ca3782a

  • SHA512

    83a893d0c59c5aecad596ae8acc7169e7c1106936c13fb3ba65f84852caf403a39b6157289fe65b83f8a0c76a1c4abd59853f16d9d6e977478ce740d521dd72e

  • SSDEEP

    49152:zPE6vXDUOYQMqclLy0wsXuhXabboP4ACQDATnmCwlzI8ndpyw+AZ/WY4N2WwW/Kr:LFvXfMFLySXuhXa/oP4ACYATnmCMI2yE

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
  • 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\b38693168e3deafa9c9597a16a011de0fdbdcfe7e8114c15ccd5d29b4ca3782a.exe
    "C:\Users\Admin\AppData\Local\Temp\b38693168e3deafa9c9597a16a011de0fdbdcfe7e8114c15ccd5d29b4ca3782a.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:2512
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2512 -s 804
      2⤵
      • Program crash
      PID:4920
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2512 -s 816
      2⤵
      • Program crash
      PID:4432
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2512 -ip 2512
    1⤵
      PID:820
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 2512 -ip 2512
      1⤵
        PID:4752

      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/2512-4-0x0000000010000000-0x0000000010030000-memory.dmp

        Filesize

        192KB

      • memory/2512-6-0x00000000003E1000-0x00000000003E2000-memory.dmp

        Filesize

        4KB

      • memory/2512-8-0x00000000003E0000-0x0000000000688000-memory.dmp

        Filesize

        2.7MB

      • memory/2512-10-0x0000000010000000-0x0000000010030000-memory.dmp

        Filesize

        192KB