Analysis

  • max time kernel
    95s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-01-2025 01:48

General

  • Target

    2025-01-08_66066ba92c181ab7f615b614af866294_floxif_mafia.exe

  • Size

    272KB

  • MD5

    66066ba92c181ab7f615b614af866294

  • SHA1

    2b931b34e1dc858f0523544833e9f1873f87e1f2

  • SHA256

    fd6f36a65be9506c7499a3408bf210ad9252c13d96d611c478b6e085c812193b

  • SHA512

    be1df7fbea2bc09f0fa6bcbfc796d7d7dc04701847c997e23b27da310dc7c417cbb597c1668fdcbe367162b8235df57cf7912e13fc88f6858b601ae3891e1f33

  • SSDEEP

    6144:2MMZlyIxgMgDXfMRET+l2AbpLk0cusQvMRlkM4RD/qzMfUT:zMZl0foKG2qk0nMRGM4h/qofi

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
  • Event Triggered Execution: AppInit DLLs 1 TTPs

    Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • Network Service Discovery 1 TTPs 1 IoCs

    Attempt to gather information on host's network.

  • 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 2 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
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-01-08_66066ba92c181ab7f615b614af866294_floxif_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-08_66066ba92c181ab7f615b614af866294_floxif_mafia.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4100
    • C:\Windows\SysWOW64\arp.exe
      arp -a
      2⤵
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      PID:1444

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    71KB

    MD5

    4fcd7574537cebec8e75b4e646996643

    SHA1

    efa59bb9050fb656b90d5d40c942fb2a304f2a8b

    SHA256

    8ea3b17e4b783ffc0bc387b81b823bf87af0d57da74541d88ba85314bb232a5d

    SHA512

    7f1a7ef64d332a735db82506b47d84853af870785066d29ccaf4fdeab114079a9f0db400e01ba574776a0d652a248658fe1e8f9659cdced19ad6eea09644ea3e

  • memory/4100-4-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/4100-6-0x0000000000701000-0x0000000000702000-memory.dmp

    Filesize

    4KB

  • memory/4100-7-0x0000000000700000-0x0000000000732000-memory.dmp

    Filesize

    200KB

  • memory/4100-9-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB