Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/07/2024, 12:29

General

  • Target

    2024-07-28_53c2787cdab617ed5150381e2dea98a5_floxif_mafia.exe

  • Size

    1.8MB

  • MD5

    53c2787cdab617ed5150381e2dea98a5

  • SHA1

    2de42986e996752be399a8aac7dc890b2569baa1

  • SHA256

    c95a58166f3b305df4a6a73a864ae56ecff0e7c34484405ed83403b3d8cf2043

  • SHA512

    afbd87b8eca1bec707a53b51b0a9d6c565a7378bc80948a48e3973e8dde164115f84df8138c5db0fa33522131af0e0854b646102109d5bba0a1e4b8c86df3499

  • SSDEEP

    49152:lI27JZDjxrJUf3gWdNcD3IvyAZHyykiG8muGNZ7Lk9LcdAGyL+w9//kqM01JuwXk:l3JZDVrc3hNcD3IvyAxyy4uiZ7Lk9U5

Malware Config

Signatures

  • Floxif, Floodfix

    Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.

  • Detects Floxif payload 1 IoCs
  • Event Triggered Execution: AppInit DLLs 1 TTPs

    Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 5 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 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 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-07-28_53c2787cdab617ed5150381e2dea98a5_floxif_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-07-28_53c2787cdab617ed5150381e2dea98a5_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
    • Suspicious use of SetWindowsHookEx
    PID:1544
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1544 -s 1504
      2⤵
      • Loads dropped DLL
      • Program crash
      PID:3324
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1544 -s 1508
      2⤵
      • Loads dropped DLL
      • Program crash
      PID:2948
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1544 -ip 1544
    1⤵
    • Loads dropped DLL
    PID:1584
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1544 -ip 1544
    1⤵
    • Loads dropped DLL
    PID:1160

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/1544-5-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB

        • memory/1544-6-0x0000000000571000-0x0000000000572000-memory.dmp

          Filesize

          4KB

        • memory/1544-15-0x0000000000570000-0x0000000000729000-memory.dmp

          Filesize

          1.7MB

        • memory/1544-17-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB