Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/10/2024, 10:02

General

  • Target

    e477c9c7b7c277b4a2e149d4005eff1524d19f80e607409df4e7986141ae5835.exe

  • Size

    2.7MB

  • MD5

    4a8084a84207b77d0292677998b8e301

  • SHA1

    3da1f55e62d7a9b0e37a65e98c2c26813df0b97e

  • SHA256

    e477c9c7b7c277b4a2e149d4005eff1524d19f80e607409df4e7986141ae5835

  • SHA512

    51f4f8c8577dc9ae50fd3c9bf84dbcc8bcb16986c8081c22340d4ecb529cf094acb22f9ec0e51069dce0144a55455b88ca60776b49dce5f6a59cd0a544949734

  • SSDEEP

    49152:zPE6vXDIYQMqclLy0wsXuhXabboP4ACQDAknmCwlzI8nd8yw+AZ/WY4N2WwW/KMg:LFvX2MFLySXuhXa/oP4ACYAknmCMI3y+

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
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 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 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\e477c9c7b7c277b4a2e149d4005eff1524d19f80e607409df4e7986141ae5835.exe
    "C:\Users\Admin\AppData\Local\Temp\e477c9c7b7c277b4a2e149d4005eff1524d19f80e607409df4e7986141ae5835.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:2760
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2760 -s 820
      2⤵
      • Program crash
      PID:3188
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2760 -s 832
      2⤵
      • Program crash
      PID:3356
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2760 -ip 2760
    1⤵
      PID:4432
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 2760 -ip 2760
      1⤵
        PID:2900

      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/2760-4-0x0000000010000000-0x0000000010030000-memory.dmp

              Filesize

              192KB

            • memory/2760-6-0x0000000000F51000-0x0000000000F52000-memory.dmp

              Filesize

              4KB

            • memory/2760-13-0x0000000010000000-0x0000000010030000-memory.dmp

              Filesize

              192KB

            • memory/2760-11-0x0000000000F50000-0x00000000011F8000-memory.dmp

              Filesize

              2.7MB