Overview

overview

10

Static

static

3

2024-12-11...ia.exe

windows7-x64

10

2024-12-11...ia.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    11-12-2024 18:23

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General

  • Target

    2024-12-11_5632a49f9d368cd4956eece3dfbf9518_floxif_mafia.exe

  • Size

    1.8MB

  • MD5

    5632a49f9d368cd4956eece3dfbf9518

  • SHA1

    bd7111c71e51c16a17bc16353f04a2e8aa4f62cc

  • SHA256

    e557779ae211b7e68ac1e3b1a2858e6b3720d8cfe7e8faf3cd53df763422d5fc

  • SHA512

    3439613688b5dfac86121a8a70f3160e736da6ccb8594e6f32778b665118864228caeb937af285c0b32c41f5909445fef6c2cd3c075a49c90a27716840e10092

  • SSDEEP

    49152:opEYgw15kZV2HXsMnmjEREseBSsxHnfXsrHYihYiVi5:65YuYV

Score
10/10
floxifbackdoordiscoverypersistencetrojanupx

Malware Config

Signatures

  • Floxif family
    floxif
  • Floxif, Floodfix

    Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.

    backdoortrojanfloxif
  • Detects Floxif payload 1 IoCs
    backdoor
  • Drops file in Drivers directory 1 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Modifies system executable filetype association 2 TTPs 64 IoCs
    persistence
  • 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 6 IoCs

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

    upx
  • 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.

    discovery
  • Modifies registry class 64 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
    ransomware
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence
  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-12-11_5632a49f9d368cd4956eece3dfbf9518_floxif_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-11_5632a49f9d368cd4956eece3dfbf9518_floxif_mafia.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 WriteProcessMemory
    PID:2984
    • C:\Users\Admin\AppData\Local\Temp\2024-12-11_5632a49f9d368cd4956eece3dfbf9518_floxif_mafia64.exe
      C:\Users\Admin\AppData\Local\Temp\2024-12-11_5632a49f9d368cd4956eece3dfbf9518_floxif_mafia.exe
      2⤵
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Modifies system executable filetype association
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2820
      • C:\Windows\System32\Notepad.exe
        Notepad.exe C:\Users\Admin\Desktop\Rkill.txt
        3⤵
        • Opens file in notepad (likely ransom note)
        PID:2980

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\Desktop\Rkill.txt
    Filesize

    2B

    MD5

    f3b25701fe362ec84616a93a45ce9998

    SHA1

    d62636d8caec13f04e28442a0a6fa1afeb024bbb

    SHA256

    b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

    SHA512

    98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    Download Submit

  • C:\Users\Admin\Desktop\Rkill.txt
    Filesize

    3KB

    MD5

    98b52479fcea625e3eeefd228af8cbcc

    SHA1

    6e8f30c05f55c0e7ccf3b2ba88b990a2649816fb

    SHA256

    87acf64645dd2e9886a502d39c42e8247b5a93abb6d90ce6cf658fbfea8f336f

    SHA512

    baf47f9695da0d5397b87bbf1f4a2db56420f8de1894d2e7e03b96c912ee8d5291d652a5c887ba5b2fb2dcc9da78632ca5237efaa1546157140283056e2b8a4d

    Download Submit

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

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

    Download Submit

  • \Users\Admin\AppData\Local\Temp\2024-12-11_5632a49f9d368cd4956eece3dfbf9518_floxif_mafia64.exe
    Filesize

    954KB

    MD5

    b89900b5738458eac981f4fb156ae71c

    SHA1

    d9b5b103472ef35f417f57c91be23be68159880b

    SHA256

    32e0bcbcf977e09b9e720a318ece222290334c599c03f07b447734399d05b235

    SHA512

    792ffa236e3d51ee9109d4b4881628320faf77aec79202f64c975617589d9b67609f85edde2b3d8eac5b7ac5db2ff6a1be0bab3fb325e9ea68e9fe495f531cad

    Download Submit

  • memory/2984-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

    Download

  • memory/2984-32-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

    Download

  • memory/2984-30-0x0000000000200000-0x00000000003BC000-memory.dmp

    Filesize

    1.7MB

    Download

  • memory/2984-36-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

    Download

  • memory/2984-44-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

    Download

  • memory/2984-49-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

    Download

  • memory/2984-47-0x0000000000200000-0x00000000003BC000-memory.dmp

    Filesize

    1.7MB

    Download