Overview

overview

8

Static

static

5

r6kll9wdc9h1jkkg.exe

windows10-2004-x64

1

r6kll9wdc9h1jkkg.exe

windows11-ltsc_2024-x64

8

Analysis

  • user interaction
    yes
  • max time kernel
    689s
  • max time network
    688s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    03/07/2026, 18:45

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General

  • Target
    r6kll9wdc9h1jkkg.exe
  • Size 809KB
  • Sample260703-xd41dsev21
  • SHA256 d3282ee0945ef263023dc8e0819da6b2e5df62d08d5bc184bafba0f07c05ac38
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwaredefense_evasiondiscoverypersistenceransomwarespywaretrojan

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
  • 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 2 IoCs

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

  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    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 38 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
    defense_evasionspywaretrojan
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 54 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 39 IoCs
  • Suspicious use of SetWindowsHookEx 3 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\r6kll9wdc9h1jkkg.exe
    "C:\Users\Admin\AppData\Local\Temp\r6kll9wdc9h1jkkg.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    PID:3052
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2300
    • 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:3364
  • 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:2620
  • 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:1348
  • C:\Windows\System32\oobe\UserOOBEBroker.exe
    C:\Windows\System32\oobe\UserOOBEBroker.exe -Embedding
    1⤵
    • Drops file in Windows directory
    PID:5612
  • C:\Users\Admin\AppData\Local\Microsoft\OneDrive\18.151.0729.0013\FileCoAuth.exe
    C:\Users\Admin\AppData\Local\Microsoft\OneDrive\18.151.0729.0013\FileCoAuth.exe -Embedding
    1⤵
    • System Location Discovery: System Language Discovery
    PID:5700
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:2176
    • C:\Windows\System32\SecurityHealthHost.exe
      \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
      1⤵
        PID:5676

      Network

            MITRE ATT&CK Enterprise v16

            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 599B
            • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            dnlib.exe
            • Path C:\Users\Admin\AppData\Local\Temp\dnlib.exe
            • Size 69KB
            • SHA256 ad09fff5d5d9e7c344339795a7d45969b5bcbecf8aea951764e242fee25b3ddc
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            memory/1348-199-0x0000021C09000000-0x0000021C09434000-memory.dmp
            Download

            memory/2620-47-0x000001EE837E0000-0x000001EE83800000-memory.dmp
            Download

            memory/2620-66-0x000001EE83B30000-0x000001EE83B50000-memory.dmp
            Download

            memory/2620-80-0x000001EE94560000-0x000001EE94580000-memory.dmp
            Download

            memory/2620-49-0x000001EE93D50000-0x000001EE93E50000-memory.dmp
            Download

            memory/2620-35-0x000001EE800A0000-0x000001EE801A0000-memory.dmp
            Download

            memory/2620-34-0x000001EE800A0000-0x000001EE801A0000-memory.dmp
            Download

            memory/3052-6-0x00007FFF3BCA0000-0x00007FFF3C644000-memory.dmp
            Download

            memory/3052-7-0x00007FFF3BCA0000-0x00007FFF3C644000-memory.dmp
            Download

            memory/3052-11-0x00007FFF3BCA0000-0x00007FFF3C644000-memory.dmp
            Download

            memory/3052-12-0x00007FFF3BCA0000-0x00007FFF3C644000-memory.dmp
            Download

            memory/3052-13-0x000002135E880000-0x000002135E94A000-memory.dmp
            Download

            memory/3052-9-0x00007FFF3BCA0000-0x00007FFF3C644000-memory.dmp
            Download

            memory/3052-8-0x00007FFF3BCA0000-0x00007FFF3C644000-memory.dmp
            Download

            memory/3052-10-0x0000021344430000-0x0000021344438000-memory.dmp
            Download

            memory/3052-0-0x0000021343C60000-0x0000021343D2C000-memory.dmp
            Download

            memory/3052-5-0x00007FFF3BCA0000-0x00007FFF3C644000-memory.dmp
            Download

            memory/3052-4-0x00007FFF3BCA0000-0x00007FFF3C644000-memory.dmp
            Download

            memory/3052-3-0x00007FFF3BCA0000-0x00007FFF3C644000-memory.dmp
            Download

            memory/3052-2-0x00007FFF3BCA0000-0x00007FFF3C644000-memory.dmp
            Download

            memory/3052-1-0x00007FFF3BE2F000-0x00007FFF3BE30000-memory.dmp
            Download

            memory/3052-232-0x0000021345C00000-0x0000021345C0A000-memory.dmp
            Download