Analysis

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

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/08/2026, 11:33

General

  • Target
    38f4ce7689e3aa05b30b6fa590f0de48ffb4fba1bfc47df3f5765d62c62422bb.exe
  • Size 893KB
  • Sample260801-nnzc8aak21
  • SHA256 38f4ce7689e3aa05b30b6fa590f0de48ffb4fba1bfc47df3f5765d62c62422bb
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Loads dropped DLL 2 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Drops file in Program Files directory 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\38f4ce7689e3aa05b30b6fa590f0de48ffb4fba1bfc47df3f5765d62c62422bb.exe
    "C:\Users\Admin\AppData\Local\Temp\38f4ce7689e3aa05b30b6fa590f0de48ffb4fba1bfc47df3f5765d62c62422bb.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:4128
    • C:\Users\Admin\AppData\Local\Temp\38f4ce7689e3aa05b30b6fa590f0de48ffb4fba1bfc47df3f5765d62c62422bb.exe
      "C:\Users\Admin\AppData\Local\Temp\38f4ce7689e3aa05b30b6fa590f0de48ffb4fba1bfc47df3f5765d62c62422bb.exe"
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      PID:1884

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        implementoernavnet.ini

        • Path C:\Program Files (x86)\implementoernavnet.ini
        • Size 36B
        • SHA256 86eadf9e4f53ff48b5f8be1d79bd238d098e7e3692f8e844e9e4453b5ae22ac4
        • MD5 SHA1 SHA512

        nsc6E14.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsc6E14.tmp
        • Size 74B
        • SHA256 d3c781a1855c8a70f5aca88d9e2c92afffa80541334731f62caa9494aa8a0c36
        • MD5 SHA1 SHA512 TLSH

        System.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsc6E15.tmp\System.dll
        • Size 12KB
        • SHA256 8b4c47c4cf5e76ec57dd5a050d5acd832a0d532ee875d7b44f6cdaf68f90d37c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        nsh6ED1.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsh6ED1.tmp
        • Size 52B
        • SHA256 a9493973dd293917f3ebb932ab255f8cac40121707548de100d5969956bb1266
        • MD5 SHA1 SHA512 TLSH

        nsi6F70.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsi6F70.tmp
        • Size 56B
        • SHA256 9e144d6c97fef0ccfc87b578759076d7287fa7562936d21afcac0618ade3e94e
        • MD5 SHA1 SHA512 TLSH

        nsn6F40.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsn6F40.tmp
        • Size 60B
        • SHA256 d46bec9cd079fd1ecd82eb929d7fda155b99e3e50f73be1582dfc0ebdfdf1d62
        • MD5 SHA1 SHA512 TLSH

        nsx6FCE.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsx6FCE.tmp
        • Size 30B
        • SHA256 1d41c63746052d97c9c35d167d50555630076dd85a19b594d01fca87eb44fbac
        • MD5 SHA1 SHA512

        memory/1884-836-0x0000000001760000-0x000000000370A000-memory.dmp

        memory/1884-846-0x0000000000470000-0x0000000001756000-memory.dmp

        memory/1884-847-0x0000000001760000-0x000000000370A000-memory.dmp

        memory/4128-833-0x0000000006000000-0x0000000007FAA000-memory.dmp

        memory/4128-834-0x0000000006000000-0x0000000007FAA000-memory.dmp

        memory/4128-835-0x0000000073C95000-0x0000000073C96000-memory.dmp