Analysis

  • max time kernel
    598s
  • max time network
    600s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-ja
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-jalocale:ja-jpos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/09/2026, 11:16

General

  • Target
    badata_x64.dll
  • Size 80KB
  • Sample260910-ndh89ascnf
  • SHA256 7edb56ea0e63a695e092d66df56d017be8932b64aca09745e90da76d66d8169f
  • 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.

  • Family: Overlord

    Overlord is an open-source Windows RAT written in Golang.

  • Detects DonutLoader 1 IoCs
  • Detects Overlord RAT 1 IoCs
  • Badlisted process makes network request 7 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 TTPs 2 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\badata_x64.dll,#1
    1⤵
    • Badlisted process makes network request
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5116
    • C:\Windows\system32\RuntimeBroker.exe
      "C:\Windows\system32\RuntimeBroker.exe"
      2⤵
      • Checks processor information in registry
      • Modifies registry class
      PID:2020
  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\thumbcache_X2bADzgI\rundll32.exe
    C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\thumbcache_X2bADzgI\rundll32.exe
    1⤵
    • Executes dropped EXE
    PID:856
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:1400

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          rundll32.exe

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\thumbcache_X2bADzgI\rundll32.exe
          • Size 88KB
          • SHA256 4b84dc6750937eb47b19cde0d23debd4d2f2211300171b36d13ef5ad11dd60f9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/2020-5-0x0000023B39C30000-0x0000023B3A344000-memory.dmp

          memory/2020-7-0x0000023B3E660000-0x0000023B419AB000-memory.dmp