Analysis

  • max time kernel
    96s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-09-2024 18:37

General

  • Target

    20240909092cda38995e2d211a31dccace662721floxifmafia.exe

  • Size

    2.5MB

  • MD5

    092cda38995e2d211a31dccace662721

  • SHA1

    d7c424feee17ff49ed27ae524a5c8335ae03d53c

  • SHA256

    66140ffb4c7797c9c1ccb983b45a6d5a72584297a02461850ee2685940d4407e

  • SHA512

    58c2e8a6afa01a144792de4782c277a938b823787ad2852cf82529c46668355eb599e1827db7b0b84934d73e380d2b85cb353981d199bb28250e6dfc32540d16

  • SSDEEP

    49152:6uIIK8ofs2hPd2l177BTK2VbDsar1YDjB:6jtfs2hPIl1/C

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 8 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\20240909092cda38995e2d211a31dccace662721floxifmafia.exe
    "C:\Users\Admin\AppData\Local\Temp\20240909092cda38995e2d211a31dccace662721floxifmafia.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:4800
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4800 -s 1492
      2⤵
      • Loads dropped DLL
      • Program crash
      PID:5060
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4800 -s 1512
      2⤵
      • Loads dropped DLL
      • Program crash
      PID:4132
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4800 -s 1524
      2⤵
      • Loads dropped DLL
      • Program crash
      PID:2512
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4800 -ip 4800
    1⤵
    • Loads dropped DLL
    PID:2580
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4800 -ip 4800
    1⤵
    • Loads dropped DLL
    PID:1424
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 4800 -ip 4800
    1⤵
    • Loads dropped DLL
    PID:3284
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 600 -p 4800 -ip 4800
    1⤵
    • Loads dropped DLL
    PID:1892

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/4800-4-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/4800-6-0x0000000000EA1000-0x0000000000EA2000-memory.dmp

    Filesize

    4KB

  • memory/4800-19-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/4800-17-0x0000000000EA0000-0x000000000110A000-memory.dmp

    Filesize

    2.4MB