Analysis

  • max time kernel
    95s
  • max time network
    96s
  • 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 19:42

General

  • Target

    Trojan.Win32.Floxif.dll

  • Size

    76KB

  • MD5

    87e6b8c516f1f516cf3a10d27af7ed90

  • SHA1

    333f62c424043cd463f6e844525ed98920db7813

  • SHA256

    0f2d24b678380d91e3a7e16a4e62324783ee11628a1464f269a3931c5428acb9

  • SHA512

    0c681a5c2ee775677323dd8d5d808eaeda9c3eee9efb9036566dfbc1e65d8ec320051a4c4021f4d2d96b996b73a594ddbc3138131e8c2a7829b28ae0a78adffa

  • SSDEEP

    1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZzcAKXKoc:c8y93KQjy7G55riF1cMo03lcA

Malware Config

Signatures

  • 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.

  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\Trojan.Win32.Floxif.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:624
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\Trojan.Win32.Floxif.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:3912
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3912 -s 712
        3⤵
        • Program crash
        PID:2348
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3912 -ip 3912
    1⤵
      PID:4636

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3912-0-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/3912-1-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB