Analysis

  • max time kernel
    91s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-09-2024 12:35

General

  • Target

    2024-09-16_c8e477d2d16083da219bebfd75c062b4_floxif_mafia.exe

  • Size

    2.5MB

  • MD5

    c8e477d2d16083da219bebfd75c062b4

  • SHA1

    b6c15d64ade16a46337ad23c63e13079d2751d58

  • SHA256

    6725e711b60054b1bcf005f128d55efa78eb9c2aac0a60434fe31c83f9c29c53

  • SHA512

    afcf7e0895d923b1c50d4df0bca12663bd181543fb4fec37d216edc38d3ccaacda7e89b81a0bd885af5a6895edab11b0aba5e869bc68efa9422d3bce8025d95a

  • SSDEEP

    49152:tuINKUofs2hPd2l177BTK2VbDsar1YDjU:tjafs2hPIl1/7

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\2024-09-16_c8e477d2d16083da219bebfd75c062b4_floxif_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-16_c8e477d2d16083da219bebfd75c062b4_floxif_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
    PID:2524
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2524 -s 856
      2⤵
      • Loads dropped DLL
      • Program crash
      PID:936
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2524 -s 832
      2⤵
      • Loads dropped DLL
      • Program crash
      PID:3016
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2524 -s 840
      2⤵
      • Loads dropped DLL
      • Program crash
      PID:1724
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2524 -ip 2524
    1⤵
    • Loads dropped DLL
    PID:3208
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2524 -ip 2524
    1⤵
    • Loads dropped DLL
    PID:4068
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2524 -ip 2524
    1⤵
    • Loads dropped DLL
    PID:2308

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/2524-4-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2524-6-0x00000000007F1000-0x00000000007F2000-memory.dmp

    Filesize

    4KB

  • memory/2524-19-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2524-17-0x00000000007F0000-0x0000000000A5A000-memory.dmp

    Filesize

    2.4MB