Analysis

  • max time kernel
    148s
  • max time network
    143s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    03/08/2026, 23:55

General

  • Target
    dynamic_syscall_loader.exe
  • Size 2.5MB
  • Sample260803-3ymjqszape
  • SHA256 1306e0d409eb4bbeb81173ae14f26dab6ce1cc546d1837da74a48dc5f80d9011
  • 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
  • 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\dynamic_syscall_loader.exe
    "C:\Users\Admin\AppData\Local\Temp\dynamic_syscall_loader.exe"
    1⤵
    • Checks processor information in registry
    PID:3796

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/3796-0-0x000002CA0C950000-0x000002CA0D5C0000-memory.dmp

        memory/3796-2-0x000002CA0C950000-0x000002CA0D5C0000-memory.dmp

        memory/3796-3-0x000002CA11D10000-0x000002CA15ECD000-memory.dmp

        memory/3796-4-0x000002CA0C950000-0x000002CA0D5C0000-memory.dmp