Analysis

  • max time kernel
    93s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-09-2024 18:02

General

  • Target

    20240913fcd3267bb69bed3e3aba9087d8cc380bfloxifhijackloadermafia.exe

  • Size

    2.7MB

  • MD5

    fcd3267bb69bed3e3aba9087d8cc380b

  • SHA1

    7727ad8cc18e6e2f2e9acede2ac5cfe23162fcf9

  • SHA256

    c2bb9d453948dabae47faf866d3bc52290f4bc0da911c4ddeddf43357dbb06b2

  • SHA512

    a621898a9810fbd9d8cfb5b7ba03ba30e12fbd482b47d5af4fab0d5af7e9ad54ea5d2b09d8ef335c4f477c85f24b5ca2dbccb6987e708d95fc3f20fd24657033

  • SSDEEP

    49152:uaSofyDdWWqJX4hgmvQojZ2toFPVmyN8yrOR23P2yYI1K7B5lcdtH9jR9W/KMZKn:nudE4hzQoMtoFPVmyN8yrOR23O8077l6

Malware Config

Signatures

  • 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 3 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 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\20240913fcd3267bb69bed3e3aba9087d8cc380bfloxifhijackloadermafia.exe
    "C:\Users\Admin\AppData\Local\Temp\20240913fcd3267bb69bed3e3aba9087d8cc380bfloxifhijackloadermafia.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:1752
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1752 -s 792
      2⤵
      • Loads dropped DLL
      • Program crash
      PID:3340
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 1752 -ip 1752
    1⤵
    • Loads dropped DLL
    PID:3660

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/1752-4-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1752-6-0x00000000001F1000-0x00000000001F2000-memory.dmp

    Filesize

    4KB

  • memory/1752-11-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1752-9-0x00000000001F0000-0x0000000000498000-memory.dmp

    Filesize

    2.7MB