Overview

overview

10

Static

static

5

d95b179001...08.exe

windows10-2004-x64

10

d95b179001...08.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    44s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/07/2026, 07:57

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General

  • Target
    d95b179001682c28bdadf09f6e344285562d68f15a2194b0234117de3c5e8408.exe
  • Size 349KB
  • Sample260709-jtk1kaew3l
  • SHA256 d95b179001682c28bdadf09f6e344285562d68f15a2194b0234117de3c5e8408
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwarebackdoordefense_evasionvalleyrat_s2persistenceransomwarespywaretrojan

Malware Config

Extracted

Family

  • valleyrat_s2

Version

  • 1.0

C2

  • 47.243.36.18:5252

  • 47.243.36.18:80

Attributes
  • campaign_date

    2026. 7. 7

Signatures

  • Family: ValleyRat

    ValleyRat stage2 is a backdoor written in C++.

    backdoorvalleyrat_s2
  • Detects ValleyRAT payload 4 IoCs
  • Windows security bypass 2 TTPs 4 IoCs
    defense_evasiontrojan
  • 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
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Windows security modification 2 TTPs 3 IoCs
    defense_evasiontrojan
  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • 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 39 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 56 IoCs
  • Suspicious use of SendNotifyMessage 42 IoCs
  • Suspicious use of SetWindowsHookEx 6 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\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Windows security bypass
    • Enumerates connected drives
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3480
    • C:\Users\Admin\AppData\Local\Temp\d95b179001682c28bdadf09f6e344285562d68f15a2194b0234117de3c5e8408.exe
      "C:\Users\Admin\AppData\Local\Temp\d95b179001682c28bdadf09f6e344285562d68f15a2194b0234117de3c5e8408.exe"
      2⤵
      • Windows security bypass
      • Windows security modification
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1992
  • C:\ProgramData\EdgeUpdate\x1pz6ujm\y9j2psoh.exe
    C:\ProgramData\EdgeUpdate\x1pz6ujm\y9j2psoh.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1448
  • C:\ProgramData\EdgeUpdate\dlze22x7\fwvuljln.exe
    C:\ProgramData\EdgeUpdate\dlze22x7\fwvuljln.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:3176
  • C:\ProgramData\EdgeUpdate\uayldc2z\nl9vy91d.exe
    C:\ProgramData\EdgeUpdate\uayldc2z\nl9vy91d.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:5328
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:3420
    • 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 use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:5040
  • 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:1724
  • 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:3024

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        config.log
        • Path C:\ProgramData\EdgeUpdate\x1pz6ujm\config.log
        • Size 317KB
        • SHA256 d0fb2930369a3517c3fd3913e85e09eaf6f7c38504c40dcf8d726cf7726e413f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        webview_support.dll
        • Path C:\ProgramData\EdgeUpdate\x1pz6ujm\webview_support.dll
        • Size 107KB
        • SHA256 b1cd1835523b5a80507592531bec904ced47328501462c4566fa964a04d01252
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        y9j2psoh.exe
        • Path C:\ProgramData\EdgeUpdate\x1pz6ujm\y9j2psoh.exe
        • Size 350KB
        • SHA256 56c244aded0313ebda795841c0db38dbe3e3321f5c9302cc166d5de39c417cb2
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        kernelquick.sys
        • Path C:\ProgramData\kernelquick.sys
        • Size 30B
        • SHA256 6b4bbbce480fbc50d39a8ec4b72cdb7d781b151921e063dd899fd9b736adcf68
        • MD5 SHA1 SHA512
        Submit Download

        IconCache.db
        • Path C:\Users\Admin\AppData\Local\IconCache.db
        • Size 13KB
        • SHA256 6f7346b0ea1c31d8ce855dd6b83b340f53dcda8ac8625140a7e833fad8ea98a1
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        DiscoverCacheData.dat
        • Path C:\Users\Admin\AppData\Local\Microsoft\PenWorkspace\DiscoverCacheData.dat
        • Size 1016B
        • SHA256 e50434ffeb9efb5cda9c513fc87ebe1ea767dc62306f50c0133feab7b04a3642
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        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

        memory/1724-183-0x0000028D146D0000-0x0000028D146F0000-memory.dmp
        Download

        memory/1724-152-0x0000028D13E70000-0x0000028D13F70000-memory.dmp
        Download

        memory/1724-129-0x0000028D001E0000-0x0000028D002E0000-memory.dmp
        Download

        memory/1724-131-0x0000028D001E0000-0x0000028D002E0000-memory.dmp
        Download

        memory/1724-130-0x0000028D001E0000-0x0000028D002E0000-memory.dmp
        Download

        memory/1724-151-0x0000028D03A30000-0x0000028D03A50000-memory.dmp
        Download

        memory/1724-169-0x0000028D03B90000-0x0000028D03BB0000-memory.dmp
        Download

        memory/1992-5-0x000001AF8EA10000-0x000001AF8EA67000-memory.dmp
        Download

        memory/1992-4-0x000001AF8EA10000-0x000001AF8EA67000-memory.dmp
        Download

        memory/1992-3-0x000001AF8EA10000-0x000001AF8EA67000-memory.dmp
        Download

        memory/1992-9-0x0000000180000000-0x00000001800EE000-memory.dmp
        Download

        memory/1992-8-0x000001AF8EA10000-0x000001AF8EA67000-memory.dmp
        Download

        memory/1992-2-0x000001AF8EA10000-0x000001AF8EA67000-memory.dmp
        Download

        memory/1992-0-0x000001AF8E9C0000-0x000001AF8EA10000-memory.dmp
        Download

        memory/3480-68-0x0000000008100000-0x0000000008157000-memory.dmp
        Download

        memory/3480-71-0x0000000008100000-0x0000000008157000-memory.dmp
        Download

        memory/3480-75-0x0000000008100000-0x0000000008157000-memory.dmp
        Download

        memory/3480-92-0x0000000006800000-0x0000000006801000-memory.dmp
        Download

        memory/3480-99-0x0000000003760000-0x0000000003761000-memory.dmp
        Download

        memory/3480-104-0x00000000009B0000-0x00000000009B1000-memory.dmp
        Download

        memory/3480-72-0x0000000008100000-0x0000000008157000-memory.dmp
        Download

        memory/3480-36-0x0000000006FD0000-0x0000000007027000-memory.dmp
        Download

        memory/3480-69-0x0000000008100000-0x0000000008157000-memory.dmp
        Download

        memory/3480-33-0x0000000006FD0000-0x0000000007027000-memory.dmp
        Download

        memory/3480-34-0x0000000006FD0000-0x0000000007027000-memory.dmp
        Download

        memory/3480-35-0x0000000003040000-0x0000000003041000-memory.dmp
        Download

        memory/3480-58-0x00000000030B0000-0x00000000030B1000-memory.dmp
        Download

        memory/3480-41-0x0000000006FD0000-0x0000000007027000-memory.dmp
        Download

        memory/3480-37-0x0000000006FD0000-0x0000000007027000-memory.dmp
        Download

        memory/3480-38-0x0000000006FD0000-0x0000000007027000-memory.dmp
        Download

        memory/5040-117-0x0000000008050000-0x00000000080A7000-memory.dmp
        Download

        memory/5040-122-0x0000000008050000-0x00000000080A7000-memory.dmp
        Download

        memory/5040-123-0x0000000008050000-0x00000000080A7000-memory.dmp
        Download

        memory/5040-120-0x0000000008050000-0x00000000080A7000-memory.dmp
        Download

        memory/5040-334-0x000000000ED70000-0x000000000F5EB000-memory.dmp
        Download

        memory/5040-335-0x0000000008050000-0x00000000080A7000-memory.dmp
        Download