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Analysis

  • max time kernel
    93s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/01/2025, 12:23

General

  • Target

    2025-01-29_03b3d884612cea19e7ba16d061939bb1_floxif_mafia.exe

  • Size

    512KB

  • MD5

    03b3d884612cea19e7ba16d061939bb1

  • SHA1

    d6204d70dc85453a27f6338079fc61d944673c2f

  • SHA256

    f3d66a96459e1c821992f74dd17e27462e65d7608242c00e6dc4d7d07cd6fb2a

  • SHA512

    5533394225473345a141d11bc876df6d8f8d7129c109c92d1674fcf0afde610965d70dc05bb7fdd83846b6e2831c1edeb19440ff590e6339511e1e902d01f4f3

  • SSDEEP

    12288:HKqMmoNiZiJrAkg+eecZE6nPMzGwS5VnDwvFNFSXGhK1VqejEdkGE2azATABjvrv:HKqMmodg+eLZE6nP4jeVS2GhK1VqeIAR

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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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\2025-01-29_03b3d884612cea19e7ba16d061939bb1_floxif_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-29_03b3d884612cea19e7ba16d061939bb1_floxif_mafia.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:3928

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/3928-4-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3928-6-0x00000000005E1000-0x00000000005E2000-memory.dmp

    Filesize

    4KB

  • memory/3928-7-0x00000000005E0000-0x0000000000650000-memory.dmp

    Filesize

    448KB

  • memory/3928-14-0x00000000005E0000-0x0000000000650000-memory.dmp

    Filesize

    448KB

  • memory/3928-16-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB