Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-09-2024 13:31

General

  • Target

    2024-09-05_d450dd75bc2472d10269e42c43258fbb_floxif_mafia.exe

  • Size

    3.4MB

  • MD5

    d450dd75bc2472d10269e42c43258fbb

  • SHA1

    2423178e846f7062d03c4380316e8a583f9ab982

  • SHA256

    aec630e0b13f8080d424fa7e2d7aa5bd106a0b186ab7eb29c2b8f4b51a623773

  • SHA512

    14ac74f2ca66e6f28bb48d38e29ca3df083407b47fba7be7ab179264476ffeeae584940b9770a9f2b1f8629756d31e6937890b60c873c4cd668dc81a87eab03b

  • SSDEEP

    98304:vQIQ7n4g8zR1ZRER+vb6MYkjMtGs7qKnX341lfc4o:II9g8rPsZss7qKn4vXo

Malware Config

Signatures

  • 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.

  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • 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\2024-09-05_d450dd75bc2472d10269e42c43258fbb_floxif_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-05_d450dd75bc2472d10269e42c43258fbb_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 SetWindowsHookEx
    PID:2176

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • memory/2176-4-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2176-6-0x0000000000991000-0x0000000000992000-memory.dmp

    Filesize

    4KB

  • memory/2176-14-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2176-12-0x0000000000990000-0x0000000000CFA000-memory.dmp

    Filesize

    3.4MB