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Analysis

  • max time kernel
    94s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/01/2025, 12:32

General

  • Target

    2025-01-02_8782731fac7dba373c483b80a3dd07d3_floxif_mafia.exe

  • Size

    2.5MB

  • MD5

    8782731fac7dba373c483b80a3dd07d3

  • SHA1

    c27ca1557d8b981f20d4d29b880bb2135436c86e

  • SHA256

    5de401e452b56cb6e80df5ab4fdc0afd963d75f40b1daa532c14e7f37e76fcca

  • SHA512

    e50fb848801e10d0e3f1a2d0123ab12ab3bea4cd16a2e95ca776cc767481bd8d0c2845b0ae19855652b32e262955219cfc8bcde4c38b1e30f9897734863677c9

  • SSDEEP

    49152:tuIOKwofs2hPd2l177BTK2VbDsar1YDj3:tjLfs2hPIl1/w

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 3 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-01-02_8782731fac7dba373c483b80a3dd07d3_floxif_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-02_8782731fac7dba373c483b80a3dd07d3_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
    PID:1740
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1740 -s 832
      2⤵
      • Program crash
      PID:2164
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1740 -s 908
      2⤵
      • Program crash
      PID:3572
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1740 -s 940
      2⤵
      • Program crash
      PID:3116
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1740 -ip 1740
    1⤵
      PID:832
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1740 -ip 1740
      1⤵
        PID:2960
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1740 -ip 1740
        1⤵
          PID:3064

        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/1740-4-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB

        • memory/1740-6-0x0000000000411000-0x0000000000412000-memory.dmp

          Filesize

          4KB

        • memory/1740-9-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB

        • memory/1740-7-0x0000000000410000-0x000000000067A000-memory.dmp

          Filesize

          2.4MB