Analysis

  • max time kernel
    148s
  • max time network
    150s
  • 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 14:45

General

  • Target

    202408166965691772ccd78b10deb5f10d05156cfloxifmafia.exe

  • Size

    2.5MB

  • MD5

    6965691772ccd78b10deb5f10d05156c

  • SHA1

    00bb5fdf4152ef1ee4a2de7f16d3fec062ec7c54

  • SHA256

    46b755636cbdeb0ee284865b2b48f136f28ccd27fbd0f61bb7c9fb551baba674

  • SHA512

    74d9189ba76415a591bec85c8939c5f9855e1b79145548ceda9cb4d854e0292dec65b97ff1baadef82a531cfdde3a05651dd76d5e384e23119d75c0a24705a48

  • SSDEEP

    49152:duIIK4ofs2hPd2l177BTK2VbDsar1YDjZ:djBfs2hPIl1/S

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.

  • 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\202408166965691772ccd78b10deb5f10d05156cfloxifmafia.exe
    "C:\Users\Admin\AppData\Local\Temp\202408166965691772ccd78b10deb5f10d05156cfloxifmafia.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4900
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4900 -s 852
      2⤵
      • Loads dropped DLL
      • Program crash
      PID:228
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4900 -ip 4900
    1⤵
    • Loads dropped DLL
    PID:2316

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/4900-4-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/4900-6-0x0000000000081000-0x0000000000082000-memory.dmp

    Filesize

    4KB

  • memory/4900-11-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/4900-9-0x0000000000080000-0x00000000002EA000-memory.dmp

    Filesize

    2.4MB