Analysis

  • max time kernel
    149s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    26/09/2026, 23:15

General

  • Target
    SnowAC.dll
  • Size 4.1MB
  • Sample260926-28q48stdkg
  • SHA256 d5d9e754f2bc9e9d8c91c0a15cc99639ad45547a7e233e5b15d5376d5061bbaa
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Themida packer 10 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\SnowAC.dll,#1
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    PID:976

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/976-0-0x00007FFE7B160000-0x00007FFE7BC82000-memory.dmp

        memory/976-1-0x00007FFE7B160000-0x00007FFE7BC82000-memory.dmp

        memory/976-3-0x00007FFE7B160000-0x00007FFE7BC82000-memory.dmp

        memory/976-2-0x00007FFE7B160000-0x00007FFE7BC82000-memory.dmp

        memory/976-4-0x00007FFE7B160000-0x00007FFE7BC82000-memory.dmp

        memory/976-7-0x00007FFE7B160000-0x00007FFE7BC82000-memory.dmp

        memory/976-8-0x00007FFE7B2E0000-0x00007FFE7B2E1000-memory.dmp

        memory/976-6-0x00007FFE7B160000-0x00007FFE7BC82000-memory.dmp

        memory/976-5-0x00007FFE7B160000-0x00007FFE7BC82000-memory.dmp

        memory/976-10-0x000001D80EFD0000-0x000001D80EFD1000-memory.dmp

        memory/976-12-0x00007FFE7B160000-0x00007FFE7BC82000-memory.dmp

        memory/976-13-0x00007FFE7B160000-0x00007FFE7BC82000-memory.dmp