Analysis

  • max time kernel
    132s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-08-2024 15:09

General

  • Target

    20240816c387a0580a9fb0823405e6c5b1c16066floxifhijackloadermafia.exe

  • Size

    2.7MB

  • MD5

    c387a0580a9fb0823405e6c5b1c16066

  • SHA1

    cd2d0fc9de771cacc34c4d79019d975ba8a1d8f1

  • SHA256

    a37ca94ff80f6f2b6238507d345c3ab57d29a4b965734fa9100c1778bd7312fc

  • SHA512

    f42469db0f7758f86ba3a38036accbcb7836da25bf5b50485e53b5cd6c631bd7c5461bd1297b06b54ade3115fc34ddaea694df4f54bd35868c5fc264feeb7f83

  • SSDEEP

    49152:Flks4ARlVLX6Sc60FNUFFIIsTp69FlNN7boUvH6u//zHfwhXPwMQ9i9ZMW/KMZKC:/nRr6+0FUFIIsTY9Fl/7boUi+jwZPwMZ

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\20240816c387a0580a9fb0823405e6c5b1c16066floxifhijackloadermafia.exe
    "C:\Users\Admin\AppData\Local\Temp\20240816c387a0580a9fb0823405e6c5b1c16066floxifhijackloadermafia.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:1004
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1004 -s 804
      2⤵
      • Program crash
      PID:296
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1004 -s 816
      2⤵
      • Program crash
      PID:1364
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1004 -ip 1004
    1⤵
      PID:4640
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1004 -ip 1004
      1⤵
        PID:2432

      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/1004-4-0x0000000010000000-0x0000000010030000-memory.dmp

        Filesize

        192KB

      • memory/1004-6-0x0000000000FE1000-0x0000000000FE2000-memory.dmp

        Filesize

        4KB

      • memory/1004-11-0x0000000010000000-0x0000000010030000-memory.dmp

        Filesize

        192KB

      • memory/1004-9-0x0000000000FE0000-0x0000000001288000-memory.dmp

        Filesize

        2.7MB