Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    18/10/2026, 04:21

General

  • Target
    file.exe
  • Size 392KB
  • Sample261018-eyrxfsgs6p
  • SHA256 0937ea0290c49df8defeb9056dd0e1f700e4e40f056b9bc9af6577f0f8ea0a1e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: DonutLoader

    DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.

  • Detects DonutLoader 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Looks up external IP address via web service 1 TTPs 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • Checks processor information in registry 2 TTPs 4 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Reads the TCP/IP host and domain name from the registry
    • Checks processor information in registry
    • Modifies system certificate store
    PID:4320
  • C:\Users\Admin\AppData\Local\RarUtils\utils\file.exe
    C:\Users\Admin\AppData\Local\RarUtils\utils\file.exe
    1⤵
    • Executes dropped EXE
    • Reads the TCP/IP host and domain name from the registry
    • Checks processor information in registry
    PID:468

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
        • Size 1KB
        • SHA256 69b4a98b24989e60750b39c7b343e3878b434c960d811bfe21307190e20e41bc
        • MD5 SHA1 SHA512 TLSH

        28C81CFCC3DD90CD1C4BDD9F7D65443C

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\28C81CFCC3DD90CD1C4BDD9F7D65443C
        • Size 331KB
        • SHA256 af095c46ff06c8d5b7b01a15f6bed2eed8351fa14b872919017898dcf68e2151
        • MD5 SHA1 SHA512 SSDEEP TLSH

        949D2E01833511C6366A8B529939FE66_E80B95907B62816351718DBAEA6F9F40

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\949D2E01833511C6366A8B529939FE66_E80B95907B62816351718DBAEA6F9F40
        • Size 314B
        • SHA256 9d537b91971ca1761867866b7957ba54f62685921b84a687a0d8c773b505f04d
        • MD5 SHA1 SHA512 TLSH

        24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
        • Size 410B
        • SHA256 1305725953578c0361c14f2cfd3273c256f881e898015e0570672669f03ca6b2
        • MD5 SHA1 SHA512 TLSH

        28C81CFCC3DD90CD1C4BDD9F7D65443C

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\28C81CFCC3DD90CD1C4BDD9F7D65443C
        • Size 192B
        • SHA256 5ba1e27ad1c031bbe13ea560a205f6a701fcbb1c886e905d29f441648a8323d6
        • MD5 SHA1 SHA512 TLSH

        949D2E01833511C6366A8B529939FE66_E80B95907B62816351718DBAEA6F9F40

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\949D2E01833511C6366A8B529939FE66_E80B95907B62816351718DBAEA6F9F40
        • Size 486B
        • SHA256 ef527a7e84f6a15f81bd2a73867344022f45e0b9b10a233952a35557d809667a
        • MD5 SHA1 SHA512 TLSH

        file.exe

        • Path C:\Users\Admin\AppData\Local\RarUtils\utils\file.exe
        • Size 392KB
        • SHA256 0937ea0290c49df8defeb9056dd0e1f700e4e40f056b9bc9af6577f0f8ea0a1e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/468-21-0x000002AB60DA0000-0x000002AB60E4C000-memory.dmp

        memory/468-23-0x00007FF70C530000-0x00007FF70C599000-memory.dmp

        memory/4320-16-0x0000023A37BB0000-0x0000023A37C5C000-memory.dmp

        memory/4320-19-0x0000023A37D50000-0x0000023A37DFC000-memory.dmp

        memory/4320-22-0x00007FF628470000-0x00007FF6284D9000-memory.dmp