Analysis

  • max time kernel
    149s
  • max time network
    132s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    01/05/2026, 00:19

General

  • Target
    mm/yy/nethelper_0jrnbu.dll
  • Size 14KB
  • Sample260501-amf9csft2p
  • SHA256 8e248505b6cd87d2e27ed40541c2b2933113380da27bc75458d62d419e732f8d
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10

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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    PID:3120
    • C:\Windows\system32\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\mm\yy\nethelper_0jrnbu.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1056

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1056-15-0x00007FFA007B0000-0x00007FFA007BD000-memory.dmp

        memory/3120-7-0x0000000003E60000-0x0000000003E66000-memory.dmp

        memory/3120-10-0x0000000006FE0000-0x0000000006FF0000-memory.dmp

        memory/3120-4-0x0000000006FE0000-0x0000000006FF0000-memory.dmp

        memory/3120-5-0x0000000006E90000-0x0000000006EEA000-memory.dmp

        memory/3120-6-0x0000000006EF0000-0x0000000006FBE000-memory.dmp

        memory/3120-0-0x0000000002DD0000-0x0000000002E3F000-memory.dmp

        memory/3120-11-0x0000000006FE0000-0x0000000006FF0000-memory.dmp

        memory/3120-3-0x0000000005CF0000-0x0000000005D60000-memory.dmp

        memory/3120-13-0x0000000006FE0000-0x0000000006FF0000-memory.dmp

        memory/3120-12-0x0000000006FE0000-0x0000000006FF0000-memory.dmp

        memory/3120-14-0x0000000006FE0000-0x0000000006FF0000-memory.dmp

        memory/3120-2-0x0000000006FE0000-0x0000000006FF0000-memory.dmp

        memory/3120-16-0x0000000006FE0000-0x0000000006FF0000-memory.dmp

        memory/3120-17-0x0000000006FE0000-0x0000000006FF0000-memory.dmp