Analysis

  • max time kernel
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    06/07/2026, 04:26

General

  • Target
    a5dddaf5381afbd2f01e6b3b3334e6ec968d8acf0756db21a1196888c962da1b.dll
  • Size 6.6MB
  • Sample260706-e2yjeadv5q
  • SHA256 a5dddaf5381afbd2f01e6b3b3334e6ec968d8acf0756db21a1196888c962da1b
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
5/10

Malware Config

Signatures

  • UPX packed file 1 IoCs

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

  • Program crash 2 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 WriteProcessMemory 1 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\a5dddaf5381afbd2f01e6b3b3334e6ec968d8acf0756db21a1196888c962da1b.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5812
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\a5dddaf5381afbd2f01e6b3b3334e6ec968d8acf0756db21a1196888c962da1b.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:5844
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5844 -s 576
        3⤵
        • Program crash
        PID:5616
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5844 -s 584
        3⤵
        • Program crash
        PID:4528
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 244 -p 5844 -ip 5844
    1⤵
      PID:5888
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 608 -p 5844 -ip 5844
      1⤵
        PID:4404

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            memory/5844-0-0x00000000744E0000-0x0000000074B73000-memory.dmp