Analysis

  • max time kernel
    150s
  • max time network
    119s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    16/08/2026, 14:26

General

  • Target
    apphost.exe
  • Size 21.2MB
  • Sample260816-rr2vaszdrd
  • SHA256 7968508cc341b79e15e95a89b3464d470c3ba3410d7dd37eaf854125f82ffb4c
  • 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
  • Clears Windows event logs 1 TTPs 10 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Enumerates system info in registry 2 TTPs 7 IoCs
  • Suspicious behavior: EnumeratesProcesses 32 IoCs
  • Suspicious use of AdjustPrivilegeToken 40 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\apphost.exe
    "C:\Users\Admin\AppData\Local\Temp\apphost.exe"
    1⤵
    • Checks BIOS information in registry
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:816
    • C:\apphost.exe
      "C:\apphost.exe"
      2⤵
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3056
      • C:\Windows\SYSTEM32\wevtutil.exe
        "wevtutil" cl "Microsoft-Windows-Sysmon/Operational"
        3⤵
        • Clears Windows event logs
        • Suspicious use of AdjustPrivilegeToken
        PID:296
      • C:\Windows\SYSTEM32\wevtutil.exe
        "wevtutil" cl "Microsoft-Windows-Windows Defender/Operational"
        3⤵
        • Clears Windows event logs
        • Suspicious use of AdjustPrivilegeToken
        PID:3484
      • C:\Windows\SYSTEM32\wevtutil.exe
        "wevtutil" cl "Microsoft-Windows-PowerShell/Operational"
        3⤵
        • Clears Windows event logs
        • Suspicious use of AdjustPrivilegeToken
        PID:2804
      • C:\Windows\SYSTEM32\wevtutil.exe
        "wevtutil" cl "Windows PowerShell"
        3⤵
        • Clears Windows event logs
        • Suspicious use of AdjustPrivilegeToken
        PID:2764
      • C:\Windows\SYSTEM32\wevtutil.exe
        "wevtutil" cl "System"
        3⤵
        • Clears Windows event logs
        • Suspicious use of AdjustPrivilegeToken
        PID:4240
      • C:\Windows\SYSTEM32\wevtutil.exe
        "wevtutil" cl "Microsoft-Windows-Sysmon/Operational"
        3⤵
        • Clears Windows event logs
        • Suspicious use of AdjustPrivilegeToken
        PID:3360
      • C:\Windows\SYSTEM32\wevtutil.exe
        "wevtutil" cl "Microsoft-Windows-Windows Defender/Operational"
        3⤵
        • Clears Windows event logs
        • Suspicious use of AdjustPrivilegeToken
        PID:1988
      • C:\Windows\SYSTEM32\wevtutil.exe
        "wevtutil" cl "Microsoft-Windows-PowerShell/Operational"
        3⤵
        • Clears Windows event logs
        • Suspicious use of AdjustPrivilegeToken
        PID:3024
      • C:\Windows\SYSTEM32\wevtutil.exe
        "wevtutil" cl "Windows PowerShell"
        3⤵
        • Clears Windows event logs
        • Suspicious use of AdjustPrivilegeToken
        PID:3324
      • C:\Windows\SYSTEM32\wevtutil.exe
        "wevtutil" cl "System"
        3⤵
        • Clears Windows event logs
        • Suspicious use of AdjustPrivilegeToken
        PID:4812

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        apphost.exe

        • Path C:\apphost.exe
        • Size 20.2MB
        • SHA256 ecea0d2c076632ef15c6c928bcd324a31e9d404a816b1b887ddcecf6a174905c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/816-12-0x00007FF8E6220000-0x00007FF8E6BC4000-memory.dmp

        memory/816-9-0x00007FF8E6220000-0x00007FF8E6BC4000-memory.dmp

        memory/816-3-0x00007FF8E6220000-0x00007FF8E6BC4000-memory.dmp

        memory/816-4-0x0000000020190000-0x00000000216CE000-memory.dmp

        memory/816-5-0x00007FF8E6220000-0x00007FF8E6BC4000-memory.dmp

        memory/816-7-0x00007FF8E6220000-0x00007FF8E6BC4000-memory.dmp

        memory/816-6-0x00007FF8E6220000-0x00007FF8E6BC4000-memory.dmp

        memory/816-13-0x00007FF8E6220000-0x00007FF8E6BC4000-memory.dmp

        memory/816-0-0x00000000036B0000-0x0000000004BEB000-memory.dmp

        memory/816-10-0x00007FF8E6220000-0x00007FF8E6BC4000-memory.dmp

        memory/816-2-0x00007FF8E6220000-0x00007FF8E6BC4000-memory.dmp

        memory/816-11-0x00007FF8E6220000-0x00007FF8E6BC4000-memory.dmp

        memory/816-8-0x00007FF8E6220000-0x00007FF8E6BC4000-memory.dmp

        memory/816-14-0x00007FF8E6220000-0x00007FF8E6BC4000-memory.dmp

        memory/816-1-0x00007FF8E63AF000-0x00007FF8E63B0000-memory.dmp

        memory/816-33-0x0000000000400000-0x000000000193F000-memory.dmp

        memory/816-34-0x00007FF8E6220000-0x00007FF8E6BC4000-memory.dmp

        memory/3056-30-0x000000001F840000-0x000000001FA5C000-memory.dmp

        memory/3056-32-0x0000000003610000-0x0000000003622000-memory.dmp

        memory/3056-27-0x000000001EA80000-0x000000001F028000-memory.dmp

        memory/3056-26-0x000000001FEA0000-0x00000000212C6000-memory.dmp

        memory/3056-45-0x000000002AC10000-0x000000002AC32000-memory.dmp

        memory/3056-46-0x000000002AC40000-0x000000002AC7C000-memory.dmp