Overview

overview

8

Static

static

3

victimrat.exe

windows11-ltsc_2024-x64

8

Analysis

  • user interaction
    yes
  • max time kernel
    1799s
  • max time network
    1360s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    26/10/2026, 12:34

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General

  • Target
    victimrat.exe
  • Size 7.1MB
  • Sample261026-prrcfsbb26
  • SHA256 342654e82a2b6a3390d05f43b91faa4cce94a29f739a44fdf68555d04d7ba02f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwaredefense_evasiondiscoveryexecutionpersistenceransomwarespywaretrojan

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
  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Looks up external IP address via web service 1 TTPs 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

    discovery
  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

    execution
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 5 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

    discovery
  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

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

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

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 38 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
    defense_evasionspywaretrojan
  • Runs ping.exe 1 TTPs 1 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: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 54 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 41 IoCs
  • Suspicious use of SetWindowsHookEx 31 IoCs
  • Suspicious use of WriteProcessMemory 7 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\victimrat.exe
    "C:\Users\Admin\AppData\Local\Temp\victimrat.exe"
    1⤵
    • Adds Run key to start application
    • Reads the TCP/IP host and domain name from the registry
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3176
    • C:\Windows\system32\schtasks.exe
      schtasks /Create /F /SC ONLOGON /RL LIMITED /TN MicrosoftEdgeCoreUpdate /TR C:\Users\Admin\AppData\Local\Microsoft\Windows\MicrosoftEdgeCoreUpdate.exe
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:4076
    • C:\Users\Admin\AppData\Local\Microsoft\Windows\MicrosoftEdgeCoreUpdate.exe
      C:\Users\Admin\AppData\Local\Microsoft\Windows\MicrosoftEdgeCoreUpdate.exe
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4752
      • C:\Users\Admin\AppData\Local\Microsoft\Windows\MicrosoftEdgeCoreUpdate.exe
        C:\Users\Admin\AppData\Local\Microsoft\Windows\MicrosoftEdgeCoreUpdate.exe --bench-watchdog 4752
        3⤵
        • Executes dropped EXE
        • Reads the TCP/IP host and domain name from the registry
        • Suspicious use of AdjustPrivilegeToken
        PID:3804
      • C:\Windows\system32\schtasks.exe
        schtasks /Delete /F /TN MicrosoftEdgeCoreUpdate
        3⤵
          PID:2252
        • C:\Windows\system32\cmd.exe
          cmd /C ping -n 4 127.0.0.1 >nul & del /F /Q "C:\Users\Admin\AppData\Local\Microsoft\Windows\MicrosoftEdgeCoreUpdate.exe"
          3⤵
          • Executes a command shell one-liner
          • System Network Configuration Discovery: Internet Connection Discovery
          • Suspicious use of WriteProcessMemory
          PID:5528
          • C:\Windows\system32\PING.EXE
            ping -n 4 127.0.0.1
            4⤵
            • System Network Configuration Discovery: Internet Connection Discovery
            • Runs ping.exe
            PID:4432
    • C:\Users\Admin\AppData\Local\Microsoft\Windows\MicrosoftEdgeCoreUpdate.exe
      "C:\Users\Admin\AppData\Local\Microsoft\Windows\MicrosoftEdgeCoreUpdate.exe"
      1⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • Suspicious use of AdjustPrivilegeToken
      PID:1868
    • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
      "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\Desktop\ExportDisconnect.xlsx"
      1⤵
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:3464
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k GPSvcGroup
      1⤵
        PID:3488
      • C:\Windows\System32\SecurityHealthHost.exe
        \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
        1⤵
          PID:3480
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:3560
          • 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 behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            • Suspicious use of SetWindowsHookEx
            PID:4596
        • 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:1400
        • 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:5244
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k GPSvcGroup
          1⤵
            PID:1460

          Network

                MITRE ATT&CK Enterprise v16

                Reconnaissance

                Resource Development

                Initial Access

                Execution

                Command and Scripting Interpreter

                1
                T1059

                Windows Command Shell

                1
                T1059.003

                Scheduled Task/Job

                1
                T1053

                Scheduled Task

                1
                T1053.005

                Persistence

                Boot or Logon Autostart Execution

                2
                T1547

                Active Setup

                1
                T1547.014

                Registry Run Keys / Startup Folder

                1
                T1547.001

                Scheduled Task/Job

                1
                T1053

                Scheduled Task

                1
                T1053.005

                Privilege Escalation

                Boot or Logon Autostart Execution

                2
                T1547

                Active Setup

                1
                T1547.014

                Registry Run Keys / Startup Folder

                1
                T1547.001

                Scheduled Task/Job

                1
                T1053

                Scheduled Task

                1
                T1053.005

                Defense Evasion

                Modify Registry

                4
                T1112

                Subvert Trust Controls

                1
                T1553

                Install Root Certificate

                1
                T1553.004

                Credential Access

                Discovery

                Peripheral Device Discovery

                2
                T1120

                Query Registry

                5
                T1012

                Remote System Discovery

                1
                T1018

                System Information Discovery

                4
                T1082

                System Network Configuration Discovery

                3
                T1016

                Internet Connection Discovery

                2
                T1016.001

                Lateral Movement

                Collection

                Command and Control

                Exfiltration

                Impact

                Replay Monitor

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                Downloads

                MicrosoftEdgeCoreUpdate.exe
                • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\MicrosoftEdgeCoreUpdate.exe
                • Size 7.1MB
                • SHA256 342654e82a2b6a3390d05f43b91faa4cce94a29f739a44fdf68555d04d7ba02f
                • MD5 SHA1 SHA512 SSDEEP 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

                ~ar5EEC.xar
                • Path C:\Users\Admin\AppData\Roaming\Microsoft\Excel\~ar5EEC.xar
                • Size 13KB
                • SHA256 9e367427982a5bcffe1d1a11f82cc41319fdcaccf7d6ab332dcedd47a028c844
                • MD5 SHA1 SHA512 SSDEEP TLSH
                Submit Download

                b8ab77100df80ab2.customDestinations-ms
                • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
                • Size 666B
                • SHA256 19bcec22989e0fb6658844c33fe49c2074c198f9426ae4517da62c6ca0962a3e
                • MD5 SHA1 SHA512 TLSH
                Submit Download

                memory/1400-66-0x000001B282CF0000-0x000001B282DF0000-memory.dmp
                Download

                memory/1400-54-0x000001B280180000-0x000001B280280000-memory.dmp
                Download

                memory/1400-56-0x000001B280180000-0x000001B280280000-memory.dmp
                Download

                memory/1400-80-0x000001B294060000-0x000001B294080000-memory.dmp
                Download

                memory/1400-69-0x000001B282C90000-0x000001B282CB0000-memory.dmp
                Download

                memory/1400-65-0x000001B2828B0000-0x000001B2828D0000-memory.dmp
                Download

                memory/3464-16-0x00007FFB833C0000-0x00007FFB833D0000-memory.dmp
                Download

                memory/3464-17-0x00007FFB833C0000-0x00007FFB833D0000-memory.dmp
                Download

                memory/3464-15-0x00007FFB85800000-0x00007FFB85810000-memory.dmp
                Download

                memory/3464-14-0x00007FFB85800000-0x00007FFB85810000-memory.dmp
                Download

                memory/3464-13-0x00007FFB85800000-0x00007FFB85810000-memory.dmp
                Download

                memory/3464-12-0x00007FFB85800000-0x00007FFB85810000-memory.dmp
                Download

                memory/3464-11-0x00007FFB85800000-0x00007FFB85810000-memory.dmp
                Download