Analysis

  • max time kernel
    95s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-09-2024 17:49

General

  • Target

    20240913d021388bf8754434de0812317823c9befloxifmafia.exe

  • Size

    2.5MB

  • MD5

    d021388bf8754434de0812317823c9be

  • SHA1

    da273e224092e0066b35cdbfd02e6dacdf3638ea

  • SHA256

    6f5ca0b2ba98d0eb1f83ccdff8808b29c6b424f9da146b1c8cf3a6b9c99c8228

  • SHA512

    43ed970efa2b36b0bfda7c19e2c832809ebf907f6a72de5451e8192f5e95a52ff1577d9711f9fbc54bd655de3fcdba242c39d67af1af3bf2ef891b39c40bb63d

  • SSDEEP

    49152:quIIKkofs2hPd2l177BTK2VbDsar1YDj8:qj5fs2hPIl1/b

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 3 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 1 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\20240913d021388bf8754434de0812317823c9befloxifmafia.exe
    "C:\Users\Admin\AppData\Local\Temp\20240913d021388bf8754434de0812317823c9befloxifmafia.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:4140
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4140 -s 836
      2⤵
      • Loads dropped DLL
      • Program crash
      PID:3520
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4140 -ip 4140
    1⤵
    • Loads dropped DLL
    PID:3416

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/4140-4-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/4140-6-0x0000000000141000-0x0000000000142000-memory.dmp

    Filesize

    4KB

  • memory/4140-11-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/4140-9-0x0000000000140000-0x00000000003AA000-memory.dmp

    Filesize

    2.4MB