Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/08/2026, 18:24

General

  • Target
    6c9d552d1045f7a18903f571524328af4f7d8f297ce9e9b1e43b2fba8bbf8977.exe
  • Size 923KB
  • Sample260810-w2d87ser61
  • SHA256 6c9d552d1045f7a18903f571524328af4f7d8f297ce9e9b1e43b2fba8bbf8977
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Loads dropped DLL 9 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 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 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6c9d552d1045f7a18903f571524328af4f7d8f297ce9e9b1e43b2fba8bbf8977.exe
    "C:\Users\Admin\AppData\Local\Temp\6c9d552d1045f7a18903f571524328af4f7d8f297ce9e9b1e43b2fba8bbf8977.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:792
    • C:\Users\Admin\AppData\Local\Temp\6c9d552d1045f7a18903f571524328af4f7d8f297ce9e9b1e43b2fba8bbf8977.exe
      "C:\Users\Admin\AppData\Local\Temp\6c9d552d1045f7a18903f571524328af4f7d8f297ce9e9b1e43b2fba8bbf8977.exe"
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      PID:4144

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        BgImage.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nssF151.tmp\BgImage.dll
        • Size 7KB
        • SHA256 73abbc57661987e7a0aa7e43f6d7dcff63a74615d3b731d94891b05e0e19adcb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        System.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nssF151.tmp\System.dll
        • Size 12KB
        • SHA256 7a9ddee34562cd3703f1502b5c70e99cd5bba15de2b6845a3555033d7f6cb2a5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UserInfo.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nssF151.tmp\UserInfo.dll
        • Size 4KB
        • SHA256 933f93a30ce44df96cbc4ac0b56a8b02ee01da27e4ea665d1d846357a8fca8de
        • MD5 SHA1 SHA512 TLSH

        nsDialogs.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nssF151.tmp\nsDialogs.dll
        • Size 9KB
        • SHA256 6bf9cccd8a600f4d442efe201e8c07b49605ba35f49a4b3ab22fa2641748e156
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/792-52-0x0000000005930000-0x0000000006F5A000-memory.dmp

        memory/792-51-0x00000000748D5000-0x00000000748D6000-memory.dmp

        memory/792-50-0x0000000005930000-0x0000000006F5A000-memory.dmp

        memory/4144-53-0x0000000001770000-0x0000000002D9A000-memory.dmp

        memory/4144-54-0x0000000077C2F000-0x0000000077C30000-memory.dmp

        memory/4144-55-0x0000000077CB5000-0x0000000077CB6000-memory.dmp

        memory/4144-56-0x0000000000480000-0x0000000001766000-memory.dmp

        memory/4144-57-0x0000000001770000-0x0000000002D9A000-memory.dmp

        memory/4144-59-0x0000000077CB5000-0x0000000077CB6000-memory.dmp