Analysis

  • max time kernel
    93s
  • max time network
    139s
  • 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 17:39

General

  • Target

    202409139b6fefe7d02e65fe8f6d5d3ea77c6cccfloxifmafia.exe

  • Size

    2.5MB

  • MD5

    9b6fefe7d02e65fe8f6d5d3ea77c6ccc

  • SHA1

    0572728234572764ec942907075340297573d959

  • SHA256

    12df5e552088d5b5eef4ea8cfdaea756b70f0c34c528df70dea977b6eb0e9b33

  • SHA512

    de6f21f89d2b5dde09ca8ddf2e4973d3a3fc89b8556c71855270243b3e7fce762cfaadd97d2f44d7235d45d795273d9f7bf78645709619548d4e368da1afb084

  • SSDEEP

    49152:CuIIKjofs2hPd2l177BTK2VbDsar1YDj5:Cjmfs2hPIl1/G

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.

  • 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 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\202409139b6fefe7d02e65fe8f6d5d3ea77c6cccfloxifmafia.exe
    "C:\Users\Admin\AppData\Local\Temp\202409139b6fefe7d02e65fe8f6d5d3ea77c6cccfloxifmafia.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
    PID:1624
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1624 -s 1496
      2⤵
      • Loads dropped DLL
      • Program crash
      PID:3808
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1624 -ip 1624
    1⤵
    • Loads dropped DLL
    PID:1228

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/1624-4-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1624-6-0x0000000000051000-0x0000000000052000-memory.dmp

    Filesize

    4KB

  • memory/1624-13-0x0000000000050000-0x00000000002BA000-memory.dmp

    Filesize

    2.4MB

  • memory/1624-15-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB