Analysis

  • max time kernel
    91s
  • 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
    16-09-2024 19:57

General

  • Target

    artifact.exe

  • Size

    3.8MB

  • MD5

    21d2415d3fbbb0a75407c7fa7c24dd68

  • SHA1

    65d9e8d0d2ccd33eeb060ffb46f54566a1fcafbc

  • SHA256

    a1e1c4451a4f73d484e1073082ca5957430d6745452c6bbed2062a96dd07b423

  • SHA512

    4fae338e238d2df66667a916ee50c280b817e2dd5be8a935c78346f4a8c4193a9b102300845b1f1d27969ebb83c5bcfc0a623e6105bc6dc9f48c00d012653fd5

  • SSDEEP

    98304:Ltc/iNuKEElj7Ssx6zXKJr9aEpaDwvVvtUD+yzOrf+AGUniav4XbbN:Lq+LE4dxmoMWAwvNtmOBGPXPN

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 use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\artifact.exe
    "C:\Users\Admin\AppData\Local\Temp\artifact.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:892
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 892 -s 352
      2⤵
      • Loads dropped DLL
      • Program crash
      PID:1528
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 892 -ip 892
    1⤵
    • Loads dropped DLL
    PID:8

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/892-2-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/892-5-0x00000000001A3000-0x00000000001A4000-memory.dmp

    Filesize

    4KB

  • memory/892-7-0x00000000001A0000-0x000000000118E000-memory.dmp

    Filesize

    15.9MB

  • memory/892-11-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB