Analysis

  • max time kernel
    149s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    08/05/2026, 00:26

General

  • Target
    $PLUGINSDIR/api-ms-win-core-timezone-l1-1-0.dll
  • Size 18KB
  • Sample260508-aramdafv7k
  • SHA256 60e76c94ae1f420445d1cfaa4268f84ae8fb8dba27beee3c3301be466e91d7ef
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
3/10

Malware Config

Signatures

  • 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\$PLUGINSDIR\api-ms-win-core-timezone-l1-1-0.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1972
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\api-ms-win-core-timezone-l1-1-0.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1552
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1552 -s 600
        3⤵
        • Program crash
        PID:4420
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1552 -ip 1552
    1⤵
      PID:6016

    Network

          MITRE ATT&CK Enterprise v16

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