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Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/12/2024, 12:35

General

  • Target

    2024-12-10_9548849dc405def9f63fa4567f0ee568_floxif_hijackloader_mafia.exe

  • Size

    2.7MB

  • MD5

    9548849dc405def9f63fa4567f0ee568

  • SHA1

    128b6428a94ffe46b5adbea8ca3cd354f26e7a4f

  • SHA256

    65da81e3a9c7c6befe5fbbaae17d40f325a6670833548d3b314d148d4fd6a7d5

  • SHA512

    fbffb703a69da84a1983bda63fd001f27539cdda9600c19cde3b37576d696e2b3ae6fbcfd4b20c97ba3067b82704a78f22474fc219ca72ecbe945213f2262fd2

  • SSDEEP

    49152:2Pf6VdMQTNRbg23shkNw//7vgseqziRS1UsarzoeNFZeD5c71y9Bx4M3W/KMZKWc:2q1Rz3ssw//7vgVqziRS1Usarzppg5yQ

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
  • 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\2024-12-10_9548849dc405def9f63fa4567f0ee568_floxif_hijackloader_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-10_9548849dc405def9f63fa4567f0ee568_floxif_hijackloader_mafia.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:3132
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3132 -s 784
      2⤵
      • Loads dropped DLL
      • Program crash
      PID:4080
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3132 -s 816
      2⤵
      • Loads dropped DLL
      • Program crash
      PID:4176
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3132 -ip 3132
    1⤵
    • Loads dropped DLL
    PID:3832
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 3132 -ip 3132
    1⤵
    • Loads dropped DLL
    PID:4776

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/3132-4-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3132-6-0x0000000000D71000-0x0000000000D72000-memory.dmp

    Filesize

    4KB

  • memory/3132-15-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3132-13-0x0000000000D70000-0x0000000001018000-memory.dmp

    Filesize

    2.7MB