Resubmissions

17/04/2026, 16:12

260417-tnmx3scw2l

17/04/2026, 16:10

260417-tmlzdsft6w9

Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    17/04/2026, 16:10

General

  • Target
    Fz1.1.9/Module.dll
  • Size 14.2MB
  • Sample260417-tmlzdsft6w
  • SHA256 7def081958aff89d50e9c19cbc295fee5fd72ed1e24340c72ce1aaa77c967c00
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Badlisted process makes network request 2 IoCs

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

  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Themida packer 8 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\Fz1.1.9\Module.dll,#1
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Badlisted process makes network request
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    PID:4324

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/4324-0-0x0000000180000000-0x0000000182684000-memory.dmp

        memory/4324-1-0x0000000180000000-0x0000000182684000-memory.dmp

        memory/4324-2-0x0000000180000000-0x0000000182684000-memory.dmp

        memory/4324-4-0x0000000180000000-0x0000000182684000-memory.dmp

        memory/4324-3-0x0000000180000000-0x0000000182684000-memory.dmp

        memory/4324-6-0x000002938B960000-0x000002938B96C000-memory.dmp

        memory/4324-5-0x0000000180000000-0x0000000182684000-memory.dmp

        memory/4324-7-0x0000000180000000-0x0000000182684000-memory.dmp

        memory/4324-9-0x000002938B960000-0x000002938B96C000-memory.dmp

        memory/4324-8-0x0000000180000000-0x0000000182684000-memory.dmp