Overview

overview

10

Static

static

5

Discount l...nt.exe

windows10-2004-x64

10

wmicodegen.dll

windows10-2004-x64

10

wmicodegen.dll

windows11-ltsc_2024-x64

10

Resubmissions

30/10/2026, 09:28

261030-lfbk3sa16t

30/10/2026, 09:12

261030-k59zhaxxay10

30/10/2026, 09:09

261030-k4glkaxwhy

30/10/2026, 09:06

261030-k24y3sxz8j10

30/10/2026, 08:41

261030-klfasaxy6k10

30/10/2026, 08:08

261030-j1tahsxtfx10

30/10/2026, 06:25

261030-g6nacadg4910

30/10/2026, 06:24

261030-g6az1swycv

30/10/2026, 05:18

261030-fzj4nsww5j10

Analysis

  • max time kernel
    898s
  • max time network
    473s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    30/10/2026, 08:08

Sharing

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General

  • Target
    wmicodegen.dll
  • Size 9KB
  • Sample261030-j1tahsxtfx
  • SHA256 9525e8f1e690a4d239d80b704c412dd31cd3fdcc54bce5a5fed5f389a988d9dd
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
backdoordefense_evasiondiscoveryexecutionvalleyrat_s2persistenceprivilege_escalationransomware

Malware Config

Extracted

Family

  • valleyrat_s2

Version

  • 1.0

C2

  • 47.76.170.135:5252

  • 47.76.170.135:443

Signatures

  • Family: ValleyRat

    ValleyRat stage2 is a backdoor written in C++.

    backdoorvalleyrat_s2
  • 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
  • Command and Scripting Interpreter: PowerShell 1 TTPs 5 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    execution
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates connected drives 3 TTPs 24 IoCs

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

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

    discovery
  • Checks SCSI registry key(s) 3 TTPs 58 IoCs

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

  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 TTPs 1 IoCs
    defense_evasionprivilege_escalation
  • Suspicious use of AdjustPrivilegeToken 53 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 47 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 6 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\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\wmicodegen.dll,#1
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    PID:2536
  • C:\ProgramData\EdgeUpdate\hyqiatks\bswzc5v6.exe
    C:\ProgramData\EdgeUpdate\hyqiatks\bswzc5v6.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious behavior: MapViewOfSection
    PID:4348
  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -NoProfile -Command "Add-MpPreference -ExclusionPath 'C:\ProgramData\EdgeUpdate' -Force -ErrorAction SilentlyContinue"
    1⤵
    • Command and Scripting Interpreter: PowerShell
    • Suspicious use of AdjustPrivilegeToken
    PID:208
  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -NoProfile -Command "Add-MpPreference -ExclusionProcess 'explorer.exe' -Force -ErrorAction SilentlyContinue"
    1⤵
    • Command and Scripting Interpreter: PowerShell
    • Suspicious use of AdjustPrivilegeToken
    PID:1692
  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -NoProfile -Command "Add-MpPreference -ExclusionProcess 'Thunder.exe' -Force -ErrorAction SilentlyContinue"
    1⤵
    • Command and Scripting Interpreter: PowerShell
    • Suspicious use of AdjustPrivilegeToken
    PID:2404
  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -NoProfile -Command "Add-MpPreference -ExclusionProcess 'RuntimeBroker.exe' -Force -ErrorAction SilentlyContinue"
    1⤵
    • Command and Scripting Interpreter: PowerShell
    • Suspicious use of AdjustPrivilegeToken
    PID:4872
  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -NoProfile -Command "Add-MpPreference -ExclusionProcess 'VSPMsg.dll' -Force -ErrorAction SilentlyContinue"
    1⤵
    • Command and Scripting Interpreter: PowerShell
    • Suspicious use of AdjustPrivilegeToken
    PID:1940
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Enumerates connected drives
    • Checks SCSI registry key(s)
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:712
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:4580
  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:4312

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        bswzc5v6.exe
        • Path C:\ProgramData\EdgeUpdate\hyqiatks\bswzc5v6.exe
        • Size 367KB
        • SHA256 a150614db8802e3700db945c42f7e9c2fb03cfdcbea7854b0b072a2e35a11b77
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        config.log
        • Path C:\ProgramData\EdgeUpdate\hyqiatks\config.log
        • Size 185KB
        • SHA256 f745086049fef5d3912f5c15ad94fa96214e81eee02f4f748a718a03bb46ba71
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        powershell.exe.log
        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
        • Size 2KB
        • SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        DiscoverCacheData.dat
        • Path C:\Users\Admin\AppData\Local\Microsoft\PenWorkspace\DiscoverCacheData.dat
        • Size 1012B
        • SHA256 33e0c864572e2dbccfcabe323c9cddfeaa29d5cc364879b1dda8e08c05a49611
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        StartupProfileData-NonInteractive
        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 944B
        • SHA256 30bf8496e9a08f4fdfe4767abcd565f92b6da06ca1c7823a70cb7cab16262e51
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        StartupProfileData-NonInteractive
        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 944B
        • SHA256 77a94ef8c4258445d538a6006ffadb05afdf888f6f044e1e5466b981a07f16c5
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        StartupProfileData-NonInteractive
        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 944B
        • SHA256 16c05848744983bd75fe403c1aa3aded96c6baf10b77fe95d9f4b52d8422daac
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        StartupProfileData-NonInteractive
        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 944B
        • SHA256 ebbf20b0c098d467090c4115109b5f707b559a8006e9c17f00235a5d23d60399
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        microsoft.windows[1].xml
        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\AC\Microsoft\Internet Explorer\DOMStore\T0YVTMWS\microsoft.windows[1].xml
        • Size 97B
        • SHA256 0a3882b40ace02096c82c3d31cd00544f2a1c3bb5dd37bfc693c2067137fb838
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        AppCache134378213827309746.txt.~tmp
        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache134378213827309746.txt.~tmp
        • Size 85KB
        • SHA256 ff1801e45b21418fb94dc1a3b7da6f3dad9c0ea26fe00e6ae1021d0fefe6062f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        __PSScriptPolicyTest_pokzd1uh.xzw.ps1
        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_pokzd1uh.xzw.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        memory/208-74-0x0000013F7C050000-0x0000013F7C1BA000-memory.dmp
        Download

        memory/208-63-0x0000013F7B320000-0x0000013F7B330000-memory.dmp
        Download

        memory/208-62-0x0000013F7B320000-0x0000013F7B330000-memory.dmp
        Download

        memory/208-64-0x0000013F7BC50000-0x0000013F7BC72000-memory.dmp
        Download

        memory/712-286-0x0000000004E70000-0x0000000004E71000-memory.dmp
        Download

        memory/1692-85-0x000001B6F6FD0000-0x000001B6F713A000-memory.dmp
        Download

        memory/1940-115-0x000002C4FA7F0000-0x000002C4FA95A000-memory.dmp
        Download

        memory/2404-95-0x000001F165660000-0x000001F1657CA000-memory.dmp
        Download

        memory/2536-1-0x000002673DC00000-0x000002673DC2E000-memory.dmp
        Download

        memory/2536-0-0x000002673DB90000-0x000002673DB91000-memory.dmp
        Download

        memory/3252-22-0x0000000003680000-0x00000000036B4000-memory.dmp
        Download

        memory/3252-120-0x00000000095A0000-0x00000000095D6000-memory.dmp
        Download

        memory/3252-57-0x0000000001560000-0x000000000158F000-memory.dmp
        Download

        memory/3252-58-0x00000000095A0000-0x00000000095D6000-memory.dmp
        Download

        memory/3252-47-0x0000000001540000-0x0000000001541000-memory.dmp
        Download

        memory/3252-31-0x0000000009B70000-0x0000000009C44000-memory.dmp
        Download

        memory/3252-29-0x0000000180000000-0x0000000180051000-memory.dmp
        Download

        memory/3252-28-0x00007FFA5D100000-0x00007FFA5D156000-memory.dmp
        Download

        memory/3252-8-0x0000000003680000-0x00000000036B4000-memory.dmp
        Download

        memory/3252-10-0x0000000180000000-0x0000000180051000-memory.dmp
        Download

        memory/3252-17-0x0000000003680000-0x00000000036B4000-memory.dmp
        Download

        memory/3252-18-0x0000000180000000-0x0000000180051000-memory.dmp
        Download

        memory/3252-9-0x00000000097B0000-0x00000000097FB000-memory.dmp
        Download

        memory/3252-3-0x0000000003680000-0x00000000036B4000-memory.dmp
        Download

        memory/3252-7-0x00000000097B0000-0x00000000097FB000-memory.dmp
        Download

        memory/3252-6-0x0000000003680000-0x00000000036B4000-memory.dmp
        Download

        memory/3252-119-0x00000000095A0000-0x00000000095D6000-memory.dmp
        Download

        memory/3252-56-0x00000000095A0000-0x00000000095D6000-memory.dmp
        Download

        memory/3252-121-0x00000000095A0000-0x00000000095D6000-memory.dmp
        Download

        memory/3252-124-0x0000000009B70000-0x0000000009BBB000-memory.dmp
        Download

        memory/3252-132-0x00000000095A0000-0x00000000095D6000-memory.dmp
        Download

        memory/3252-125-0x000000000A5F0000-0x000000000A641000-memory.dmp
        Download

        memory/3252-123-0x00000000095A0000-0x00000000095D6000-memory.dmp
        Download

        memory/3252-142-0x00000000095A0000-0x00000000095D6000-memory.dmp
        Download

        memory/3252-141-0x00000000095A0000-0x00000000095D6000-memory.dmp
        Download

        memory/3252-157-0x0000000003480000-0x0000000003481000-memory.dmp
        Download

        memory/3252-5-0x0000000003680000-0x00000000036B4000-memory.dmp
        Download

        memory/3252-2-0x0000000003680000-0x00000000036B4000-memory.dmp
        Download

        memory/3252-4-0x0000000003680000-0x00000000036B4000-memory.dmp
        Download

        memory/4312-188-0x000001C5FF380000-0x000001C5FF3A0000-memory.dmp
        Download

        memory/4312-180-0x000001C5FF3C0000-0x000001C5FF3E0000-memory.dmp
        Download

        memory/4312-202-0x000001C5FF990000-0x000001C5FF9B0000-memory.dmp
        Download

        memory/4312-175-0x000001C5FE600000-0x000001C5FE700000-memory.dmp
        Download

        memory/4872-105-0x0000023AB0B60000-0x0000023AB0CCA000-memory.dmp
        Download