Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/07/2024, 12:24

General

  • Target

    2024-07-28_15726191e9c5c22eaa77a2ae76121152_floxif_hijackloader_mafia.exe

  • Size

    2.7MB

  • MD5

    15726191e9c5c22eaa77a2ae76121152

  • SHA1

    c402b5f1dcd1aee4c0e1c1ac0faf3302ffcca6b1

  • SHA256

    26e9330522a72215f2c7f49dd82a817f9a2055c99cfce9702e9a2e57fb0c5832

  • SHA512

    4ca7f6de39513675daeebd77a3642023aac7eadb0071d2716a6bded9235be15b8951097ce7328b7ed88864536c906eb42fbd9e7663cbb64cc428dbd28c1dc544

  • SSDEEP

    49152:KIGYB+v+ta6viBRbJXQv+Tatqc5doCUWhSwFAvhDzaDrhFmASRcnZPCCGiPxe7W+:K6TKB/AGKqc5doCUWhjFAvBODyRAZPCB

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 5 IoCs
  • UPX packed file 3 IoCs

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

  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • 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\2024-07-28_15726191e9c5c22eaa77a2ae76121152_floxif_hijackloader_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-07-28_15726191e9c5c22eaa77a2ae76121152_floxif_hijackloader_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:676
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 676 -s 872
      2⤵
      • Loads dropped DLL
      • Program crash
      PID:2012
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 676 -s 1480
      2⤵
      • Loads dropped DLL
      • Program crash
      PID:2976
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 676 -ip 676
    1⤵
    • Loads dropped DLL
    PID:3524
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 676 -ip 676
    1⤵
    • Loads dropped DLL
    PID:636

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          67KB

          MD5

          7574cf2c64f35161ab1292e2f532aabf

          SHA1

          14ba3fa927a06224dfe587014299e834def4644f

          SHA256

          de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

          SHA512

          4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

        • memory/676-4-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB

        • memory/676-10-0x0000000000BB1000-0x0000000000BB2000-memory.dmp

          Filesize

          4KB

        • memory/676-15-0x0000000000BB0000-0x0000000000E58000-memory.dmp

          Filesize

          2.7MB

        • memory/676-17-0x0000000010000000-0x0000000010030000-memory.dmp

          Filesize

          192KB