Analysis

  • max time kernel
    148s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    29/07/2026, 04:30

General

  • Target
    89822ca55407e02b7998d96f55fb87de66720e6f17faec80a93b9c2ee74f3a78.dll
  • Size 10.9MB
  • Sample260729-e43adaea63
  • SHA256 89822ca55407e02b7998d96f55fb87de66720e6f17faec80a93b9c2ee74f3a78
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
5/10

Malware Config

Signatures

  • Drops file in System32 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 WriteProcessMemory 1 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\89822ca55407e02b7998d96f55fb87de66720e6f17faec80a93b9c2ee74f3a78.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1944
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\89822ca55407e02b7998d96f55fb87de66720e6f17faec80a93b9c2ee74f3a78.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      PID:2228
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2228 -s 736
        3⤵
        • Program crash
        PID:3172
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2228 -ip 2228
    1⤵
      PID:1604

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          memory/2228-0-0x0000000073D50000-0x0000000075527000-memory.dmp

          memory/2228-2-0x00000000743C2000-0x0000000074A49000-memory.dmp

          memory/2228-4-0x0000000073D50000-0x0000000075527000-memory.dmp

          memory/2228-5-0x00000000743C2000-0x0000000074A49000-memory.dmp