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Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26/01/2025, 01:39

General

  • Target

    2025-01-26_df81ff95baf450f51910524927e4e3da_floxif_mafia.exe

  • Size

    1.7MB

  • MD5

    df81ff95baf450f51910524927e4e3da

  • SHA1

    4396962bd0a99adfd38af6290a0b37497fe82959

  • SHA256

    0e0ac11ba5fe37c2dad8eefa003cc36b4185d78ecf362dfb9d3316bdf4a711b9

  • SHA512

    e877a404cf3f38f6c0e0745effb07dfe24326dc63d3a69eaf0dd50e8352b4e53c03b5ac5a95c3f2550009f9d1d21d6d380a15b10cfcc714fff0fed1e58f8f073

  • SSDEEP

    49152:QOXCLdckT5HUTDCjgsjuQtIfr0pRAxGKoCl74GVxuOVwkRjcpfWaA3x:VFkT5H4C8sjuQtIfr0p6YKV74GVxPjca

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.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 4 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 11 IoCs

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

  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 6 IoCs
  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-01-26_df81ff95baf450f51910524927e4e3da_floxif_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-26_df81ff95baf450f51910524927e4e3da_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
    • Suspicious use of WriteProcessMemory
    PID:2900
    • C:\Windows\SysWOW64\netsh.exe
      netsh advfirewall firewall add rule name="Apache HTTP Server" dir=in action=allow description="RaidXpert2" program="C:\Program files (x86)\raidxpert2\apache\bin\httpd.exe" enable=yes
      2⤵
      • Modifies Windows Firewall
      • Loads dropped DLL
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:1648
    • C:\Windows\SysWOW64\Wusa.exe
      Wusa.exe /quiet /norestart "C:\Users\Admin\AppData\Local\Temp\..\..\..\Utility\HOTFIX\KB3020369\64\Setup.msu"
      2⤵
      • Loads dropped DLL
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:3044
    • C:\Windows\SysWOW64\Wusa.exe
      Wusa.exe /quiet /norestart "C:\Users\Admin\AppData\Local\Temp\..\..\..\Utility\HOTFIX\KB3125574\64\Setup.msu"
      2⤵
      • Loads dropped DLL
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2664

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\Logs\DPX\setupact.log

    Filesize

    5KB

    MD5

    2a139a35a01cdf6bb28544a8d960c1b6

    SHA1

    1cf9711e7839d79e177f680a92ee5ab6db8dd44d

    SHA256

    5cd1dbd1ada636b09aaa0f2327be0eeadb53e065b94ac6e8dc4d93966ab90fc2

    SHA512

    7d7bc9c4b11cd0e566a57745bbec554e3b8a8868f542bd64f8ae5b9d5f6cb453364e6e135f02e0c66d68b81f42492dc5eb9e2889eb7371a57e236ed018df707f

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

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • memory/1648-10-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1648-8-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2664-19-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2664-16-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2900-5-0x0000000001211000-0x0000000001212000-memory.dmp

    Filesize

    4KB

  • memory/2900-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2900-21-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2900-23-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2900-22-0x0000000001210000-0x00000000013B8000-memory.dmp

    Filesize

    1.7MB

  • memory/2900-27-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2900-25-0x0000000001210000-0x00000000013B8000-memory.dmp

    Filesize

    1.7MB

  • memory/3044-12-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3044-14-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB