Analysis

  • max time kernel
    149s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    18/05/2026, 22:27

General

  • Target
    tmp5n_pzrgg.exe
  • Size 201KB
  • Sample260518-2c8dmsdv9v
  • SHA256 3a6e86ca55f010a70a477412df2f4d2570f641e5b2b716e617fed4af93230a36
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp5n_pzrgg.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp5n_pzrgg.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1100
    • C:\Users\Admin\AppData\Local\Temp\tmp5n_pzrgg.exe
      "C:\Users\Admin\AppData\Local\Temp\tmp5n_pzrgg.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2244

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        System.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsf1E53.tmp\System.dll
        • Size 11KB
        • SHA256 2e226715419a5882e2e14278940ee8ef0aa648a3ef7af5b3dc252674111962bc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1100-9-0x0000000002400000-0x000000000241E000-memory.dmp

        memory/1100-13-0x0000000002400000-0x000000000241E000-memory.dmp

        memory/2244-11-0x00000000001D0000-0x00000000001F7000-memory.dmp

        memory/2244-14-0x00000000001D0000-0x00000000001F7000-memory.dmp

        memory/2244-18-0x00000000006E0000-0x00000000006E1000-memory.dmp

        memory/2244-17-0x0000000001FB0000-0x0000000001FD7000-memory.dmp

        memory/2244-16-0x00000000001D0000-0x00000000001F7000-memory.dmp

        memory/2244-15-0x00000000001D0000-0x00000000001F7000-memory.dmp

        memory/2244-19-0x0000000001FB0000-0x0000000001FD7000-memory.dmp