Analysis

  • max time kernel
    95s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-09-2024 14:25

General

  • Target

    2024-09-16_95901d89c04cbde57f1210c8983de97b_floxif_mafia.exe

  • Size

    2.5MB

  • MD5

    95901d89c04cbde57f1210c8983de97b

  • SHA1

    68f846bacbf6a0c4567ddb4d624c1cbcc29b3975

  • SHA256

    3b7346125f801f11e7479533089e98761ff970f15dc763099c482d0f9eb8c1e4

  • SHA512

    f0c1742750f5c570ed319908b6ea5fc6294522b3f8b2a9ab80cdb0a2a5111457c0e8edbfd4015708aaab0fbe251c7c9a29ca601d296ea310604262c5d85cb323

  • SSDEEP

    49152:tuI4KCofs2hPd2l177BTK2VbDsar1YDjm:tjjfs2hPIl1/5

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.

  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • 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\2024-09-16_95901d89c04cbde57f1210c8983de97b_floxif_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-16_95901d89c04cbde57f1210c8983de97b_floxif_mafia.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1592
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1592 -s 832
      2⤵
      • Program crash
      PID:3804
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1592 -s 908
      2⤵
      • Program crash
      PID:3440
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1592 -s 964
      2⤵
      • Program crash
      PID:4872
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1592 -ip 1592
    1⤵
      PID:4732
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1592 -ip 1592
      1⤵
        PID:940
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1592 -ip 1592
        1⤵
          PID:4580

        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/1592-4-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB

        • memory/1592-6-0x0000000000D41000-0x0000000000D42000-memory.dmp

          Filesize

          4KB

        • memory/1592-13-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB

        • memory/1592-11-0x0000000000D40000-0x0000000000FAA000-memory.dmp

          Filesize

          2.4MB