Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    03/07/2026, 23:50

General

  • Target
    06da1c5c003d3efa258ac56a21ed9d4433c16496bc3bff0dd9fc0b13b5c109c1.exe
  • Size 440KB
  • Sample260703-3vm14adw4m
  • SHA256 06da1c5c003d3efa258ac56a21ed9d4433c16496bc3bff0dd9fc0b13b5c109c1
  • 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.

  • Drops file in System32 directory 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Drops file in Windows directory 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\06da1c5c003d3efa258ac56a21ed9d4433c16496bc3bff0dd9fc0b13b5c109c1.exe
    "C:\Users\Admin\AppData\Local\Temp\06da1c5c003d3efa258ac56a21ed9d4433c16496bc3bff0dd9fc0b13b5c109c1.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2200
    • C:\Users\Admin\AppData\Local\Temp\06da1c5c003d3efa258ac56a21ed9d4433c16496bc3bff0dd9fc0b13b5c109c1.exe
      "C:\Users\Admin\AppData\Local\Temp\06da1c5c003d3efa258ac56a21ed9d4433c16496bc3bff0dd9fc0b13b5c109c1.exe"
      2⤵
        PID:3008
      • C:\Users\Admin\AppData\Local\Temp\06da1c5c003d3efa258ac56a21ed9d4433c16496bc3bff0dd9fc0b13b5c109c1.exe
        "C:\Users\Admin\AppData\Local\Temp\06da1c5c003d3efa258ac56a21ed9d4433c16496bc3bff0dd9fc0b13b5c109c1.exe"
        2⤵
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5804
        • C:\Users\Admin\AppData\Local\Temp\06da1c5c003d3efa258ac56a21ed9d4433c16496bc3bff0dd9fc0b13b5c109c1.exe
          "C:\Users\Admin\AppData\Local\Temp\06da1c5c003d3efa258ac56a21ed9d4433c16496bc3bff0dd9fc0b13b5c109c1.exe"
          3⤵
            PID:2516

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            System.dll

            • Path C:\Users\Admin\AppData\Local\Temp\nsh54CE.tmp\System.dll
            • Size 12KB
            • SHA256 acf90ab6f4edc687e94aaf604d05e16e6cfb5e35873783b50c66f307a35c6506
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/2200-25-0x00000000029C0000-0x0000000004FE9000-memory.dmp

            memory/2200-26-0x0000000074815000-0x0000000074816000-memory.dmp

            memory/2200-28-0x00000000029C0000-0x0000000004FE9000-memory.dmp

            memory/5804-27-0x00000000017A0000-0x0000000003DC9000-memory.dmp

            memory/5804-37-0x00000000004B0000-0x0000000001796000-memory.dmp

            memory/5804-38-0x00000000017A0000-0x0000000003DC9000-memory.dmp