Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/08/2026, 02:56

General

  • Target
    e051040d946596352938a6f7bb789dc2aba4953d31c803fe66e1616986545807.exe
  • Size 183KB
  • Sample260801-de7ccsweka
  • SHA256 e051040d946596352938a6f7bb789dc2aba4953d31c803fe66e1616986545807
  • 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 4 IoCs

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

  • 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e051040d946596352938a6f7bb789dc2aba4953d31c803fe66e1616986545807.exe
    "C:\Users\Admin\AppData\Local\Temp\e051040d946596352938a6f7bb789dc2aba4953d31c803fe66e1616986545807.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:4128
    • C:\Users\Admin\AppData\Local\Temp\e051040d946596352938a6f7bb789dc2aba4953d31c803fe66e1616986545807.exe
      "C:\Users\Admin\AppData\Local\Temp\e051040d946596352938a6f7bb789dc2aba4953d31c803fe66e1616986545807.exe"
      2⤵
        PID:1268
      • C:\Users\Admin\AppData\Local\Temp\e051040d946596352938a6f7bb789dc2aba4953d31c803fe66e1616986545807.exe
        "C:\Users\Admin\AppData\Local\Temp\e051040d946596352938a6f7bb789dc2aba4953d31c803fe66e1616986545807.exe"
        2⤵
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1700
        • C:\Users\Admin\AppData\Local\Temp\e051040d946596352938a6f7bb789dc2aba4953d31c803fe66e1616986545807.exe
          "C:\Users\Admin\AppData\Local\Temp\e051040d946596352938a6f7bb789dc2aba4953d31c803fe66e1616986545807.exe"
          3⤵
            PID:4544

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            System.dll

            • Path C:\Users\Admin\AppData\Local\Temp\nsk2A8.tmp\System.dll
            • Size 12KB
            • SHA256 996645d7f16a6294babb6da83478062aed7b72318d7a51b66e90ab5d3edc51a5
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/1700-21-0x0000000000400000-0x00000000016E6000-memory.dmp

            memory/1700-22-0x00000000016F0000-0x0000000002E85000-memory.dmp

            memory/1700-25-0x0000000076FFD000-0x0000000076FFE000-memory.dmp

            memory/1700-24-0x000000007703F000-0x0000000077040000-memory.dmp

            memory/1700-26-0x00000000770C5000-0x00000000770C6000-memory.dmp

            memory/1700-27-0x0000000000400000-0x00000000016E6000-memory.dmp

            memory/1700-28-0x00000000016F0000-0x0000000002E85000-memory.dmp

            memory/1700-29-0x00000000770C5000-0x00000000770C6000-memory.dmp

            memory/4128-19-0x00000000030C0000-0x0000000004855000-memory.dmp

            memory/4128-20-0x0000000073F55000-0x0000000073F56000-memory.dmp

            memory/4128-23-0x00000000030C0000-0x0000000004855000-memory.dmp