Analysis

  • max time kernel
    134s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-08-2024 14:43

General

  • Target

    2024081655e5c2c84488958ed81ba64cd2de21edfloxifmafia.exe

  • Size

    2.5MB

  • MD5

    55e5c2c84488958ed81ba64cd2de21ed

  • SHA1

    56ddcd4309a029d201131e577b5b268eddc8c888

  • SHA256

    37e44d9baab1c340b12d66d828a0cae06300b8cc6da2b49a5aa458db6ccb3f5c

  • SHA512

    8086fd76da4105f2ff135f5cab1f785ef4f11a168e3024b94bd9d405a10a8616644ceca06e88ac1a127c05d460384b5fb28b305661faaffb6548550c7cbcaa24

  • SSDEEP

    49152:tuIEKQofs2hPd2l177BTK2VbDsar1YDj1:tjxfs2hPIl1/K

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 7 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 3 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\2024081655e5c2c84488958ed81ba64cd2de21edfloxifmafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2024081655e5c2c84488958ed81ba64cd2de21edfloxifmafia.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:4616
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4616 -s 832
      2⤵
      • Loads dropped DLL
      • Program crash
      PID:2032
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4616 -s 932
      2⤵
      • Loads dropped DLL
      • Program crash
      PID:1984
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4616 -s 840
      2⤵
      • Loads dropped DLL
      • Program crash
      PID:4932
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4616 -ip 4616
    1⤵
    • Loads dropped DLL
    PID:2744
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4616 -ip 4616
    1⤵
    • Loads dropped DLL
    PID:2820
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4616 -ip 4616
    1⤵
    • Loads dropped DLL
    PID:1836

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/4616-4-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/4616-6-0x00000000005F1000-0x00000000005F2000-memory.dmp

    Filesize

    4KB

  • memory/4616-19-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/4616-17-0x00000000005F0000-0x000000000085A000-memory.dmp

    Filesize

    2.4MB