Overview

overview

10

Static

static

1

Request fo...nq.vbs

windows10-2004-x64

10

Request fo...nq.vbs

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    299s
  • max time network
    297s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260617-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    29/06/2026, 03:50

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General

  • Target
    Request for Quotationq.vbs
  • Size 156KB
  • Sample260629-eefp3sdx5m
  • SHA256 11ba24ad254c853ac33d8f3ab1b01f7d5657b5cfc65e55d7dc9c7a62da5ab868
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwaredefaultdiscoveryexecutionasyncratpersistenceransomwareratspywaresuricata

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.7B

Botnet

  • Default

C2

  • 216.250.250.247:4521

Mutex

  • AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • Family: AsyncRat

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

    ratasyncrat
  • Suricata alert: AsyncRAT Malware Default X.509 Certificate Detected - Inbound 2 IoCs

    Network activity triggered a Suricata alert

    suricataasyncrat
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious use of SetThreadContext 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

    execution
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 38 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of FindShellTrayWindow 52 IoCs
  • Suspicious use of SendNotifyMessage 39 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 10 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.

    persistence
  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Request for Quotationq.vbs"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3400
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Local\Temp\62BE2A7F.ps1"
      2⤵
      • Suspicious use of SetThreadContext
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3976
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\3bsjw1ot\3bsjw1ot.cmdline"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4972
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESD8A8.tmp" "c:\Users\Admin\AppData\Local\Temp\3bsjw1ot\CSC55F2E639DA744EA19746147FED34CD5.TMP"
          4⤵
            PID:5352
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
          3⤵
          • Suricata alert: AsyncRAT Malware Default X.509 Certificate Detected - Inbound
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:4556
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /tn "PhotoStudioVBS" /xml "C:\Users\Admin\AppData\Local\Temp\2F1061FF.xml" /f
        2⤵
        • Scheduled Task/Job: Scheduled Task
        PID:3236
    • C:\Windows\System32\wscript.exe
      wscript.exe
      1⤵
        PID:556
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:1468
        • C:\Windows\explorer.exe
          explorer.exe /LOADSAVEDWINDOWS
          2⤵
          • Boot or Logon Autostart Execution: Active Setup
          • Enumerates connected drives
          • Checks SCSI registry key(s)
          • Modifies Internet Explorer settings
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          • Suspicious use of SetWindowsHookEx
          PID:1552
      • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
        "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
        1⤵
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        PID:6112
      • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
        "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
        1⤵
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        PID:4856

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            prep_Activatable Class_Hermes_perf.cache
            • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
            • Size 599B
            • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            2F1061FF.xml
            • Path C:\Users\Admin\AppData\Local\Temp\2F1061FF.xml
            • Size 1KB
            • SHA256 08e623a8667272582a7892674eb62a1c02feb1b97d9781ec7edb897b920f4244
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            3bsjw1ot.dll
            • Path C:\Users\Admin\AppData\Local\Temp\3bsjw1ot\3bsjw1ot.dll
            • Size 5KB
            • SHA256 fc6c8cdd260712af0d1fa5d04337c47416f7b43b64489335f5d2fab9e9ec61ef
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            62BE2A7F.ps1
            • Path C:\Users\Admin\AppData\Local\Temp\62BE2A7F.ps1
            • Size 92KB
            • SHA256 b8cf001de116c5c9e3380bd42d03d9c49e6feb131b0910952ec9881ff8d167fc
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            RESD8A8.tmp
            • Path C:\Users\Admin\AppData\Local\Temp\RESD8A8.tmp
            • Size 1KB
            • SHA256 f27c16e3727da9efe12655f1808abb80fd74bd275a16754a1233fd28eedf5ec3
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            3bsjw1ot.0.cs
            • Path \??\c:\Users\Admin\AppData\Local\Temp\3bsjw1ot\3bsjw1ot.0.cs
            • Size 3KB
            • SHA256 9578f1935441fa1f73ff75db335d4a8693ca649925853908d83e6e4b8a3838d7
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            3bsjw1ot.cmdline
            • Path \??\c:\Users\Admin\AppData\Local\Temp\3bsjw1ot\3bsjw1ot.cmdline
            • Size 369B
            • SHA256 09f450c68f25a494e3ccfde347f5b2424224985e9d58b53c179da75f6bf52bd1
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            CSC55F2E639DA744EA19746147FED34CD5.TMP
            • Path \??\c:\Users\Admin\AppData\Local\Temp\3bsjw1ot\CSC55F2E639DA744EA19746147FED34CD5.TMP
            • Size 652B
            • SHA256 5f2d6509fae855f6def234ff6d4ce17706eb4045fc1f190458dcb818567b78d8
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            memory/1552-231-0x000000000F4E0000-0x000000000FD5B000-memory.dmp
            Download

            memory/3976-11-0x00000000062B0000-0x000000000660B000-memory.dmp
            Download

            memory/3976-34-0x00000000079D0000-0x00000000079F2000-memory.dmp
            Download

            memory/3976-12-0x0000000006710000-0x000000000672E000-memory.dmp
            Download

            memory/3976-15-0x0000000008050000-0x00000000086CC000-memory.dmp
            Download

            memory/3976-16-0x0000000006C80000-0x0000000006C9A000-memory.dmp
            Download

            memory/3976-1-0x0000000074342000-0x0000000074343000-memory.dmp
            Download

            memory/3976-7-0x0000000006140000-0x00000000061A6000-memory.dmp
            Download

            memory/3976-8-0x00000000061B0000-0x0000000006216000-memory.dmp
            Download

            memory/3976-6-0x0000000005FA0000-0x0000000005FC2000-memory.dmp
            Download

            memory/3976-5-0x0000000074330000-0x0000000074AEC000-memory.dmp
            Download

            memory/3976-31-0x0000000007680000-0x0000000007688000-memory.dmp
            Download

            memory/3976-2-0x0000000003230000-0x0000000003266000-memory.dmp
            Download

            memory/3976-33-0x0000000007A70000-0x0000000007B06000-memory.dmp
            Download

            memory/3976-13-0x0000000006840000-0x000000000688C000-memory.dmp
            Download

            memory/3976-35-0x0000000008C90000-0x000000000924A000-memory.dmp
            Download

            memory/3976-38-0x0000000074330000-0x0000000074AEC000-memory.dmp
            Download

            memory/3976-3-0x0000000005920000-0x0000000005F6A000-memory.dmp
            Download

            memory/3976-4-0x0000000074330000-0x0000000074AEC000-memory.dmp
            Download

            memory/4556-43-0x0000000005DC0000-0x0000000005E5C000-memory.dmp
            Download

            memory/4556-32-0x0000000000400000-0x0000000000412000-memory.dmp
            Download

            memory/4856-90-0x0000024A83C80000-0x0000024A83CA0000-memory.dmp
            Download

            memory/4856-110-0x0000024A94200000-0x0000024A94220000-memory.dmp
            Download

            memory/4856-78-0x0000024A93E80000-0x0000024A93F80000-memory.dmp
            Download

            memory/4856-76-0x0000024A83A20000-0x0000024A83A40000-memory.dmp
            Download

            memory/4856-65-0x0000024A801E0000-0x0000024A802E0000-memory.dmp
            Download

            memory/6112-232-0x0000019D95720000-0x0000019D957F4000-memory.dmp
            Download