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Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/01/2025, 02:00

General

  • Target

    2025-01-28_9c487396f1c70ab283e1bfd2571cd3fb_floxif_mafia.exe

  • Size

    3.4MB

  • MD5

    9c487396f1c70ab283e1bfd2571cd3fb

  • SHA1

    565214cc4283a1a8a7cbe031ca5bfb0c55de8582

  • SHA256

    d8577830b2418f8441f27b413c50645ff4f829d9e984df1bf86fe518779ea4d7

  • SHA512

    992afc06a34eddc6ed30fc80125a752f4e8ce316edecad358af7459c50ba5d5cb4f3dbe97432f2781efb2846edcc4a84e126c82e6f303417a37a8881c3e0dd64

  • SSDEEP

    98304:QL/KCxyNYosGAQEWGayy+tBH4U9+72usSA1CRQHcgD5O1:+/fkYPaQtbvusSA1CMO1

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\2025-01-28_9c487396f1c70ab283e1bfd2571cd3fb_floxif_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-28_9c487396f1c70ab283e1bfd2571cd3fb_floxif_mafia.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:4928
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4928 -s 720
      2⤵
      • Program crash
      PID:968
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4928 -s 760
      2⤵
      • Program crash
      PID:1064
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4928 -ip 4928
    1⤵
      PID:1584
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4928 -ip 4928
      1⤵
        PID:3968

      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/4928-3-0x0000000010000000-0x0000000010030000-memory.dmp

        Filesize

        192KB

      • memory/4928-5-0x0000000000EE1000-0x0000000000EE2000-memory.dmp

        Filesize

        4KB

      • memory/4928-10-0x0000000010000000-0x0000000010030000-memory.dmp

        Filesize

        192KB

      • memory/4928-8-0x0000000000EE0000-0x0000000001239000-memory.dmp

        Filesize

        3.3MB