Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03/03/2025, 12:37

General

  • Target

    2025-03-03_3e2632661bd43a101110105195f16611_floxif_hijackloader_mafia.exe

  • Size

    2.7MB

  • MD5

    3e2632661bd43a101110105195f16611

  • SHA1

    d5f663b974452d5058f8cfae804bc1c8a7535d12

  • SHA256

    7648fce34cb7d39b80efb5f4988fe5a1a7d4d0dfb2651b9237da7611ffc8bff9

  • SHA512

    fcd04f4d8df65ccfa19041155bf64060a9923bb63390f9856abd7ffae67de9ccefe161f5ab60119e0bc11475d0a0691581a204ba157cac092cba160b6f73e078

  • SSDEEP

    49152:zPE6vXDUOYQBclLy0wsXuhXabboP4ACQDAknmCwlzI8ndzyw+AZ/WY4N2WwW/KMS:LFvXfMLySXuhXa/oP4ACYAknmCMIUyB2

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
  • 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 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
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-03-03_3e2632661bd43a101110105195f16611_floxif_hijackloader_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-03-03_3e2632661bd43a101110105195f16611_floxif_hijackloader_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 SetWindowsHookEx
    PID:2384

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • memory/2384-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2384-7-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2384-5-0x0000000000080000-0x0000000000328000-memory.dmp

    Filesize

    2.7MB