Overview

overview

10

Static

static

10

2026-07-09...ti.exe

windows10-2004-x64

10

2026-07-09...ti.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    115s
  • max time network
    142s
  • 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, 02:03

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General

  • Target
    2026-07-09_8eaefc54b786cfc1faf74f13bf7a3240_cobalt-strike_conti.exe
  • Size 111KB
  • Sample260709-cg2dfscw6w
  • SHA256 9c26df8e1313c1bdcaef9282afffcc59d8b6470ced6f40effd4276bb8b06f1d9
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwarebackdoorvalleyrat_s2persistenceransomwarespywareupx

Malware Config

Extracted

Family

  • valleyrat_s2

Version

  • 1.0

C2

  • 43.157.212.233:443

  • 43.157.212.233:442

  • 43.157.212.233:80

Attributes
  • campaign_date

    2026. 5.29

Signatures

  • Family: ValleyRat

    ValleyRat stage2 is a backdoor written in C++.

    backdoorvalleyrat_s2
  • Detects ValleyRAT payload 7 IoCs
  • UPX dump on OEP (original entry point) 2 IoCs
  • 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 24 IoCs

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

  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • 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
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 52 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of SetWindowsHookEx 4 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.

    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:\Users\Admin\AppData\Local\Temp\2026-07-09_8eaefc54b786cfc1faf74f13bf7a3240_cobalt-strike_conti.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-09_8eaefc54b786cfc1faf74f13bf7a3240_cobalt-strike_conti.exe"
    1⤵
    • Enumerates connected drives
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    PID:4152
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4552
    • 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:1792
  • 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:4560
  • 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:6012

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        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

        memory/1792-193-0x0000000005E10000-0x000000000606F000-memory.dmp
        Download

        memory/1792-192-0x0000000005BA0000-0x0000000005D2E000-memory.dmp
        Download

        memory/4152-16-0x000001B928D50000-0x000001B928D9E000-memory.dmp
        Download

        memory/4152-18-0x000001B928D50000-0x000001B928D9E000-memory.dmp
        Download

        memory/4152-6-0x00007FF7682D0000-0x00007FF7682F3000-memory.dmp
        Download

        memory/4152-8-0x000001B926FB0000-0x000001B926FD9000-memory.dmp
        Download

        memory/4152-7-0x000001B926FB0000-0x000001B926FD9000-memory.dmp
        Download

        memory/4152-10-0x000001B926FB0000-0x000001B926FD9000-memory.dmp
        Download

        memory/4152-11-0x000001B926FB0000-0x000001B926FD9000-memory.dmp
        Download

        memory/4152-12-0x000001B926FB0000-0x000001B926FD9000-memory.dmp
        Download

        memory/4152-13-0x000001B926FB0000-0x000001B926FD9000-memory.dmp
        Download

        memory/4152-14-0x000001B926FB0000-0x000001B926FD9000-memory.dmp
        Download

        memory/4152-17-0x000001B928D50000-0x000001B928D9E000-memory.dmp
        Download

        memory/4152-0-0x00007FF7682D0000-0x00007FF7682F3000-memory.dmp
        Download

        memory/4152-15-0x000001B928D00000-0x000001B928D47000-memory.dmp
        Download

        memory/4152-5-0x000001B926FB0000-0x000001B926FD9000-memory.dmp
        Download

        memory/4152-19-0x000001B926FB0000-0x000001B926FD9000-memory.dmp
        Download

        memory/4152-20-0x000001B926FB0000-0x000001B926FD9000-memory.dmp
        Download

        memory/4152-21-0x000001B928D50000-0x000001B928D9E000-memory.dmp
        Download

        memory/4152-23-0x000001B928D50000-0x000001B928D9E000-memory.dmp
        Download

        memory/4152-22-0x000001B928D50000-0x000001B928D9E000-memory.dmp
        Download

        memory/4152-4-0x000001B926FB0000-0x000001B926FD9000-memory.dmp
        Download

        memory/4152-1-0x000001B926C90000-0x000001B926C91000-memory.dmp
        Download

        memory/4152-3-0x000001B926F20000-0x000001B926FA1000-memory.dmp
        Download

        memory/4560-52-0x0000024C82E90000-0x0000024C82F90000-memory.dmp
        Download

        memory/4560-57-0x0000024C82C90000-0x0000024C82CB0000-memory.dmp
        Download

        memory/4560-77-0x0000024C841D0000-0x0000024C841F0000-memory.dmp
        Download

        memory/4560-51-0x0000024C82A30000-0x0000024C82A50000-memory.dmp
        Download

        memory/4560-45-0x0000024C801E0000-0x0000024C802E0000-memory.dmp
        Download