Overview

overview

8

Static

static

5

libiconv-2.dll

windows10-2004-x64

1

libiconv-2.dll

windows11-ltsc_2024-x64

1

libidn2-0.dll

windows10-2004-x64

1

libidn2-0.dll

windows11-ltsc_2024-x64

1

libintl-8.dll

windows10-2004-x64

1

libintl-8.dll

windows11-ltsc_2024-x64

1

libpsl-5.dll

windows10-2004-x64

7

libpsl-5.dll

windows11-ltsc_2024-x64

8

libunistring-5.dll

windows10-2004-x64

1

libunistring-5.dll

windows11-ltsc_2024-x64

1

psl.exe

windows10-2004-x64

6

psl.exe

windows11-ltsc_2024-x64

6

Resubmissions

26/06/2026, 16:23

260626-tvycdscy4w7

26/06/2026, 16:13

260626-tpbanscx8x8

Analysis

  • max time kernel
    148s
  • max time network
    142s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    26/06/2026, 16:13

Sharing

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General

  • Target
    libpsl-5.dll
  • Size 7.3MB
  • Sample260626-tpbanscx8x
  • SHA256 1edf77288976e898ae88fdc56a82d1bfe5dc81d6dbb171510de78059cdd1b9ea
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarepersistenceransomwarespyware

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 1 IoCs
  • Enumerates connected drives 3 TTPs 2 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 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 32 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:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\libpsl-5.dll,#1
    1⤵
      PID:4824
    • C:\Windows\Temp\DCRCVDrv.sys
      C:\Windows\Temp\DCRCVDrv.sys
      1⤵
      • Executes dropped EXE
      PID:5808
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2752
      • 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:964
    • 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:1068
    • 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:2260

    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

          DCRCVDrv.sys
          • Path C:\Windows\Temp\DCRCVDrv.sys
          • Size 137KB
          • SHA256 87e8d39db624f37d3e77aedf487a2dfd197f71a4730ea74f4e7a4341deaec2ff
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/1068-411-0x00000227006D0000-0x000002270098C000-memory.dmp
          Download

          memory/1068-419-0x00000227006D0000-0x000002270098C000-memory.dmp
          Download

          memory/2260-264-0x000001DFA4CF0000-0x000001DFA4DF0000-memory.dmp
          Download

          memory/2260-306-0x000001DF93CD0000-0x000001DF93CF0000-memory.dmp
          Download

          memory/2260-276-0x000001DF83770000-0x000001DF83790000-memory.dmp
          Download

          memory/2260-271-0x000001DF93990000-0x000001DF93A90000-memory.dmp
          Download

          memory/2260-270-0x000001DF83520000-0x000001DF83540000-memory.dmp
          Download

          memory/2260-263-0x000001DFA4CF0000-0x000001DFA4DF0000-memory.dmp
          Download

          memory/2260-262-0x000001DFA4CF0000-0x000001DFA4DF0000-memory.dmp
          Download

          memory/5808-2-0x0000000000010000-0x000000000003D000-memory.dmp
          Download