Overview

overview

8

Static

static

3

UnixSteale...er.exe

windows10-2004-x64

1

UnixSteale...er.exe

windows11-ltsc_2024-x64

8

UnixSteale...er.exe

windows10-2004-x64

1

UnixSteale...er.exe

windows11-ltsc_2024-x64

8

UnixSteale...db.dll

windows10-2004-x64

1

UnixSteale...db.dll

windows11-ltsc_2024-x64

1

UnixSteale...db.dll

windows10-2004-x64

1

UnixSteale...db.dll

windows11-ltsc_2024-x64

1

UnixSteale...ks.dll

windows10-2004-x64

1

UnixSteale...ks.dll

windows11-ltsc_2024-x64

1

UnixSteale...il.dll

windows10-2004-x64

1

UnixSteale...il.dll

windows11-ltsc_2024-x64

1

UnixSteale...le.dll

windows10-2004-x64

1

UnixSteale...le.dll

windows11-ltsc_2024-x64

1

UnixSteale...ub.exe

windows10-2004-x64

7

UnixSteale...ub.exe

windows11-ltsc_2024-x64

8

Resubmissions

08/09/2026, 16:39

260908-t53d4avcja

08/09/2026, 16:19

260908-tsykdathrf8

Analysis

  • max time kernel
    899s
  • max time network
    549s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/09/2026, 16:19

Sharing

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Report Analysis Logs

General

  • Target
    UnixStealerV2/Builder.exe
  • Size 31KB
  • Sample260908-tsykdathrf
  • SHA256 3ba937c60ebb6a47149f3f17ed26f8d7926f51c4fd665be7af5c1b6bcfbf44a3
  • 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
  • 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 use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 40 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\UnixStealerV2\Builder.exe
    "C:\Users\Admin\AppData\Local\Temp\UnixStealerV2\Builder.exe"
    1⤵
      PID:4920
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k GPSvcGroup
      1⤵
        PID:5504
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:1116
        • 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:4708
      • 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:4744
      • 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:4324
      • C:\Windows\System32\SecurityHealthHost.exe
        \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
        1⤵
          PID:2660

        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

              memory/4324-188-0x000001F1D6000000-0x000001F1D629E000-memory.dmp
              Download

              memory/4744-3-0x0000023700120000-0x0000023700220000-memory.dmp
              Download

              memory/4744-2-0x0000023700120000-0x0000023700220000-memory.dmp
              Download

              memory/4744-67-0x0000023714640000-0x0000023714660000-memory.dmp
              Download

              memory/4744-48-0x0000023703D40000-0x0000023703D60000-memory.dmp
              Download

              memory/4744-33-0x0000023713E60000-0x0000023713F60000-memory.dmp
              Download

              memory/4744-32-0x0000023703BE0000-0x0000023703C00000-memory.dmp
              Download

              memory/4744-187-0x0000023717AC0000-0x0000023717D5E000-memory.dmp
              Download