Analysis

  • max time kernel
    93s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-11-2024 12:34

General

  • Target

    2024-11-20_1de07f65ee8ce6b4e3727bce6d144531_bkransomware_floxif_metamorfo.exe

  • Size

    3.2MB

  • MD5

    1de07f65ee8ce6b4e3727bce6d144531

  • SHA1

    0824101a39019676202ac1de08e94195b441ea99

  • SHA256

    236be635918691a4b388e8466b2769fbb843aead373bbb63499fa427a20266ea

  • SHA512

    cfee15816fdec5c85192b13001f6a9e56c1de723edb63ae42046bc7046263abc5183cc76914b341aa680669555b4f10e4d45797b4e1637909968e2bc5667c533

  • SSDEEP

    98304:WSi1joThFTi/pl7VT+JTNQwOiK4jFLOAkGkzdnEVomFHKnP7:WQTPTMzwOiKqFLOyomFHKnP7

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
  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 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\2024-11-20_1de07f65ee8ce6b4e3727bce6d144531_bkransomware_floxif_metamorfo.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-20_1de07f65ee8ce6b4e3727bce6d144531_bkransomware_floxif_metamorfo.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:4440

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/4440-4-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/4440-15-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/4440-13-0x0000000000530000-0x0000000000864000-memory.dmp

    Filesize

    3.2MB