Analysis

  • user interaction
    yes
  • max time kernel
    145s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    23/07/2026, 07:39

General

  • Target
    MikuMikuLoader.exe
  • Size 89.5MB
  • Sample260723-jg2sjstdpb
  • SHA256 ee99581f39a468b77bd816585fb004a25c4423e996f10572e1e74de9aeb51d17
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 3 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MikuMikuLoader.exe
    "C:\Users\Admin\AppData\Local\Temp\MikuMikuLoader.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of FindShellTrayWindow
    PID:5064
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4952
    • C:\Windows\system32\taskmgr.exe
      "C:\Windows\system32\taskmgr.exe" /4
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2612

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          av_libglesv2.dll

          • Path C:\Users\Admin\AppData\Local\Temp\.net\MikuMikuLoader\34SYlV4S9hdf\av_libglesv2.dll
          • Size 4.2MB
          • SHA256 85b3aee47c0e0eaf3a5ea5c75ba8131387a12639b6a0ef280c28531fb77695ae
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libHarfBuzzSharp.dll

          • Path C:\Users\Admin\AppData\Local\Temp\.net\MikuMikuLoader\34SYlV4S9hdf\libHarfBuzzSharp.dll
          • Size 1.5MB
          • SHA256 f13d0dae00a598620a436fd991219a2e0fe6157eac90faa025d4d76845cd996c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libSkiaSharp.dll

          • Path C:\Users\Admin\AppData\Local\Temp\.net\MikuMikuLoader\34SYlV4S9hdf\libSkiaSharp.dll
          • Size 9.0MB
          • SHA256 3268b1b2de384d00ed77431fe8a1f053d2c69eee25d07dcfc352491570d63b52
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/2612-22-0x000001751C0A0000-0x000001751C0A1000-memory.dmp

          memory/2612-11-0x000001751C0A0000-0x000001751C0A1000-memory.dmp

          memory/2612-10-0x000001751C0A0000-0x000001751C0A1000-memory.dmp

          memory/2612-12-0x000001751C0A0000-0x000001751C0A1000-memory.dmp

          memory/2612-21-0x000001751C0A0000-0x000001751C0A1000-memory.dmp

          memory/2612-20-0x000001751C0A0000-0x000001751C0A1000-memory.dmp

          memory/2612-19-0x000001751C0A0000-0x000001751C0A1000-memory.dmp

          memory/2612-18-0x000001751C0A0000-0x000001751C0A1000-memory.dmp

          memory/2612-17-0x000001751C0A0000-0x000001751C0A1000-memory.dmp

          memory/2612-16-0x000001751C0A0000-0x000001751C0A1000-memory.dmp