Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10/12/2024, 07:27 UTC

General

  • Target

    2024-12-10_351d8db338473531775513e16c10d247_bkransomware_floxif.exe

  • Size

    209KB

  • MD5

    351d8db338473531775513e16c10d247

  • SHA1

    42bbcae1e2a55a2fc6a37f62924f24772f8b26ec

  • SHA256

    ce2614feb6ae129ddc2fdb22cc0b4c7980c1015dc4fdc0d4e6d91ea8d2b4ed1e

  • SHA512

    a318ed3bfa5dda229ee7827b43dde2afcdbc81c7909504964ae084adbf12691ead903d9df528b6b42cfe41d96bbcc4f471e4dd78d50401b9dc55f520c77842ac

  • SSDEEP

    3072:Bax4PbI+GptMz4P9e78LMTeI2lQBV+UdE+rECWp7hKDLGZ:BaaC/p8QYBV+UdvrEFp7hKGZ

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
  • UPX packed file 3 IoCs

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

  • Drops file in Program Files directory 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.

  • Modifies registry class 25 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-12-10_351d8db338473531775513e16c10d247_bkransomware_floxif.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-10_351d8db338473531775513e16c10d247_bkransomware_floxif.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    PID:1860

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Program Files\Common Files\System\symsrv.dll

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • memory/1860-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1860-5-0x0000000000406000-0x0000000000409000-memory.dmp

    Filesize

    12KB

  • memory/1860-7-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

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