Overview

overview

8

Static

static

5

RtsXStor.exe

windows10-2004-x64

7

RtsXStor.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    29/06/2026, 19:54

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General

  • Target
    RtsXStor.exe
  • Size 367KB
  • Sample260629-ymtrfsfs2p
  • SHA256 eb608e86d6f2fa0e44c66ea98b8ad461c1021f8b0bcf70bb9d7d3d8d71de1059
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarediscoverypersistenceprivilege_escalationspywarestealerupx

Malware Config

Signatures

  • 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
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Enumerates connected drives 3 TTPs 2 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
  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

    persistenceprivilege_escalation
  • System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 1 IoCs

    Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

    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 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 38 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RtsXStor.exe
    "C:\Users\Admin\AppData\Local\Temp\RtsXStor.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4208
    • C:\Windows\SYSTEM32\netsh.exe
      netsh wlan show profiles > "C:\Users\Admin\AppData\Local\Temp\\dbtmp_wp_4208.tmp" 2>&1
      2⤵
      • Event Triggered Execution: Netsh Helper DLL
      • System Network Configuration Discovery: Wi-Fi Discovery
      PID:4480
    • C:\Windows\SYSTEM32\cmdkey.exe
      cmdkey /list > "C:\Users\Admin\AppData\Local\Temp\\dbtmp_ck_4208.tmp" 2>&1
      2⤵
        PID:5432
      • C:\Windows\SYSTEM32\vaultcmd.exe
        vaultcmd /listcreds:"Web Credentials" /all > "C:\Users\Admin\AppData\Local\Temp\\dbtmp_wv_4208.tmp" 2>&1
        2⤵
          PID:2856
        • C:\Windows\SYSTEM32\vaultcmd.exe
          vaultcmd /listcreds:"Windows Credentials" /all > "C:\Users\Admin\AppData\Local\Temp\\dbtmp_wv2_4209.tmp" 2>&1
          2⤵
            PID:6104
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\\clupd.bat
            2⤵
              PID:1236
          • C:\Windows\system32\sihost.exe
            sihost.exe
            1⤵
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of WriteProcessMemory
            PID:5572
            • 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:5988
          • 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:1884
          • 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:3168

          Network

                MITRE ATT&CK Enterprise v16

                Reconnaissance

                Resource Development

                Initial Access

                Execution

                Persistence

                Boot or Logon Autostart Execution

                1
                T1547

                Active Setup

                1
                T1547.014

                Event Triggered Execution

                1
                T1546

                Netsh Helper DLL

                1
                T1546.007

                Privilege Escalation

                Boot or Logon Autostart Execution

                1
                T1547

                Active Setup

                1
                T1547.014

                Event Triggered Execution

                1
                T1546

                Netsh Helper DLL

                1
                T1546.007

                Defense Evasion

                Modify Registry

                2
                T1112

                Credential Access

                Credentials from Password Stores

                1
                T1555

                Credentials from Web Browsers

                1
                T1555.003

                Unsecured Credentials

                1
                T1552

                Credentials In Files

                1
                T1552.001

                Discovery

                Peripheral Device Discovery

                2
                T1120

                Query Registry

                2
                T1012

                System Information Discovery

                2
                T1082

                System Network Configuration Discovery

                1
                T1016

                Wi-Fi Discovery

                1
                T1016.002

                Lateral Movement

                Collection

                Data from Local System

                1
                T1005

                Command and Control

                Exfiltration

                Impact

                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 607B
                • SHA256 be6b74e52e5eef1f1c27c0976bf3bf1bfa99958c00bbef2898a602f691be6dae
                • MD5 SHA1 SHA512 TLSH
                Submit Download

                clupd.bat
                • Path C:\Users\Admin\AppData\Local\Temp\clupd.bat
                • Size 184B
                • SHA256 2e2309f0d12061277b5f813ee451473d45cdc0f067e8a735e44334ecc8b99991
                • MD5 SHA1 SHA512 TLSH
                Submit Download

                memory/1884-34-0x00000124801E0000-0x00000124802E0000-memory.dmp
                Download

                memory/1884-56-0x0000012481D80000-0x0000012481DA0000-memory.dmp
                Download

                memory/1884-42-0x0000012481D00000-0x0000012481D20000-memory.dmp
                Download

                memory/1884-43-0x0000012481EE0000-0x0000012481FE0000-memory.dmp
                Download

                memory/1884-80-0x0000012494270000-0x0000012494290000-memory.dmp
                Download

                memory/4208-0-0x00007FF760910000-0x00007FF7609C3000-memory.dmp
                Download

                memory/4208-12-0x00007FF760910000-0x00007FF7609C3000-memory.dmp
                Download