Analysis

  • max time kernel
    85s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    30-12-2024 23:30

General

  • Target

    57c1d65664174d84e109f7ebfa65908107f0ad2c8789b74d6a9f956a808374bbN.exe

  • Size

    1.6MB

  • MD5

    8c973dc29cb35dd35b5544667d99fb90

  • SHA1

    ee9f80404a68ebc4161980ab1f39e8e7ead691e2

  • SHA256

    57c1d65664174d84e109f7ebfa65908107f0ad2c8789b74d6a9f956a808374bb

  • SHA512

    b9e51ae146aaacf119adf89336eb4716fe8c5f500d47586cb4ab543f0e4f0122859b1dd0c4c83108d2a714f4f55c148c799c4b38039d7ec53b03da039bfd9c28

  • SSDEEP

    24576:RUolrU/JboM0lEglm2nNPYs/9WEy5gCkIurDsD7eXGzLervxqA9vrEH7o:dl4/BvOvm2nhL/9XyGDsD7SGzLezUW

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
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • 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.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\57c1d65664174d84e109f7ebfa65908107f0ad2c8789b74d6a9f956a808374bbN.exe
    "C:\Users\Admin\AppData\Local\Temp\57c1d65664174d84e109f7ebfa65908107f0ad2c8789b74d6a9f956a808374bbN.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:2380

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • memory/2380-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2380-9-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2380-7-0x0000000000010000-0x00000000001A4000-memory.dmp

    Filesize

    1.6MB