Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    17/06/2026, 16:41

General

  • Target
    Tax_Notice.exe
  • Size 118KB
  • Sample260617-t7bddsax9n
  • SHA256 93dd8b7b393289f88493596faa4ae70054d9eb4fe47f2dd334f0c6bb5262f2a8
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet
  • Default

C2
  • 206.238.196.96:4449

Mutex
  • jxzvmawuezd

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • Family: AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Family: VenomRAT

    VenomRAT is a modified version of QuasarRAT with some added features, such as rootkit and stealer capabilites.

  • Async RAT payload 1 IoCs
  • VenomRAT 1 IoCs

    Detects VenomRAT.

  • Windows security bypass 2 TTPs 2 IoCs
  • Adds policy Run key to start application 2 TTPs 4 IoCs
  • Windows security modification 2 TTPs 3 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\Tax_Notice.exe
    "C:\Users\Admin\AppData\Local\Temp\Tax_Notice.exe"
    1⤵
    • Windows security bypass
    • Adds policy Run key to start application
    • Windows security modification
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:936
    • C:\Windows\SYSTEM32\schtasks.exe
      schtasks /create /tn "NVDA_Remote_Helper" /tr "\"C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\NVDA\svchost.exe\"" /sc ONLOGON /rl HIGHEST /f /delay 0001:00
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:4196
  • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\NVDA\svchost.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\NVDA\svchost.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    PID:4944

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        nvdaHelperRemote.dll

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\NVDA\nvdaHelperRemote.dll
        • Size 147KB
        • SHA256 1dfe9be049f6bcad3caa8504dae4aad5e7e66d6e5ed8388478c7adb3de8d791a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        svchost.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\NVDA\svchost.exe
        • Size 118KB
        • SHA256 93dd8b7b393289f88493596faa4ae70054d9eb4fe47f2dd334f0c6bb5262f2a8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/936-9-0x000001EA7B290000-0x000001EA7B2A0000-memory.dmp

        memory/936-4-0x000001EA7B290000-0x000001EA7B2A0000-memory.dmp

        memory/936-3-0x000001EA7B290000-0x000001EA7B2A0000-memory.dmp

        memory/936-8-0x000001EA7B290000-0x000001EA7B2A0000-memory.dmp

        memory/936-0-0x000001EA7A6B0000-0x000001EA7A6CC000-memory.dmp

        memory/936-12-0x000001EA7B290000-0x000001EA7B2A0000-memory.dmp

        memory/936-11-0x000001EA7B290000-0x000001EA7B2A0000-memory.dmp

        memory/936-13-0x000001EA7B290000-0x000001EA7B2A0000-memory.dmp

        memory/936-14-0x000001EA7B290000-0x000001EA7B2A0000-memory.dmp

        memory/936-2-0x000001EA7A800000-0x000001EA7A818000-memory.dmp

        memory/936-1-0x000001EA7B290000-0x000001EA7B2A0000-memory.dmp