Analysis

  • max time kernel
    94s
  • max time network
    100s
  • 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 11:55

General

  • Target

    Trojan.Win32.Floxif.dll

  • Size

    76KB

  • MD5

    3fdff378bebdb8b218acfcc535c5b4d0

  • SHA1

    be166d5dec2a8c4a306f7c1dae0d922a9d08cae7

  • SHA256

    d1a3b29d4b57253635bd048c7d60bcdc602227096d7055abeee103e72d11686e

  • SHA512

    56c5652357171cbc2f4d4ef168b4703419ee492fd1bc32a5f10bd72461d95c8ef127644d8ad99f7cd9e53fea410027afddbfd970381edfef0f471049850a76fc

  • SSDEEP

    1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZKs14qb:c8y93KQjy7G55riF1cMo03r4e

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:1296
    • 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:1252
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1252 -s 716
        3⤵
        • Program crash
        PID:3636
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1252 -ip 1252
    1⤵
      PID:4568

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1252-0-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/1252-1-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB