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Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/01/2025, 18:29

General

  • Target

    2025-01-27_1018ebe23e491f349a7d8665bcfc4e48_floxif_mafia.exe

  • Size

    4.6MB

  • MD5

    1018ebe23e491f349a7d8665bcfc4e48

  • SHA1

    ae231a3b4de8095458928f30b8f673164d05fa1c

  • SHA256

    c1bb51e80f3b31e9d2f083b47fdf2d41e294c9f600d24633cad458ce9335a76a

  • SHA512

    2a1218f5947ff52d6f84d67b8a268a5fc1283615618469871e12bc9743b5730f569a7f30d7b0f4aea492c04fc1ab101752ddb3ad0d5ee7bfbcadebe071871ccf

  • SSDEEP

    98304:MOR2DCuKXZr82AKRFA/grN1JNTEM9t9YcSrUCAviXvTvXauWCr1pcgD5Owk86j/:vpu+kANPtorUCAsTvXaRCVOPJj/

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 5 IoCs
  • 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 3 IoCs

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

  • Drops file in Program Files directory 1 IoCs
  • Program crash 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 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-01-27_1018ebe23e491f349a7d8665bcfc4e48_floxif_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-27_1018ebe23e491f349a7d8665bcfc4e48_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:684
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 684 -s 724
      2⤵
      • Loads dropped DLL
      • Program crash
      PID:3460
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 684 -s 872
      2⤵
      • Loads dropped DLL
      • Program crash
      PID:4504
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 372 -p 684 -ip 684
    1⤵
    • Loads dropped DLL
    PID:1152
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 684 -ip 684
    1⤵
    • Loads dropped DLL
    PID:4808

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/684-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/684-9-0x0000000000822000-0x0000000000823000-memory.dmp

    Filesize

    4KB

  • memory/684-16-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/684-14-0x0000000000820000-0x0000000000CAF000-memory.dmp

    Filesize

    4.6MB