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
    900s
  • max time network
    590s
  • 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

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General

  • Target
    UnixStealerV2/Stub/stub.exe
  • Size 258KB
  • Sample260908-tsykdathrf
  • SHA256 59b20774e811849ca7a4f333045604e1517b72a0b47373a7328422c84012c03e
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarediscoverypersistenceransomwarespywarestealer

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 WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

    spywarestealer
  • Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • 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
  • 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 2 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 39 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 43 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\Stub\stub.exe
    "C:\Users\Admin\AppData\Local\Temp\UnixStealerV2\Stub\stub.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3632
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:848
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:5716
      • 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:4072
    • 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:3548
    • 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:1040
    • C:\Windows\System32\SecurityHealthHost.exe
      \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
      1⤵
        PID:472

      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 595B
            • SHA256 d4e60617c2afab8263febabe7f14f18595715078d71307a8cefe0707dae76dee
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            memory/1040-201-0x000001FF096D0000-0x000001FF0998C000-memory.dmp
            Download

            memory/1040-193-0x000001FF096D0000-0x000001FF0998C000-memory.dmp
            Download

            memory/3548-64-0x0000020A14200000-0x0000020A14220000-memory.dmp
            Download

            memory/3548-14-0x0000020A001E0000-0x0000020A002E0000-memory.dmp
            Download

            memory/3548-15-0x0000020A001E0000-0x0000020A002E0000-memory.dmp
            Download

            memory/3548-46-0x0000020A02C80000-0x0000020A02CA0000-memory.dmp
            Download

            memory/3548-28-0x0000020A02E80000-0x0000020A02F80000-memory.dmp
            Download

            memory/3548-13-0x0000020A001E0000-0x0000020A002E0000-memory.dmp
            Download

            memory/3548-26-0x0000020A02A40000-0x0000020A02A60000-memory.dmp
            Download

            memory/3632-5-0x00007FF8E6220000-0x00007FF8E6BC4000-memory.dmp
            Download

            memory/3632-10-0x00007FF8E6220000-0x00007FF8E6BC4000-memory.dmp
            Download

            memory/3632-9-0x000001C60CC00000-0x000001C60CC12000-memory.dmp
            Download

            memory/3632-8-0x00007FF8E6220000-0x00007FF8E6BC4000-memory.dmp
            Download

            memory/3632-7-0x00007FF8E6220000-0x00007FF8E6BC4000-memory.dmp
            Download

            memory/3632-6-0x00007FF8E6220000-0x00007FF8E6BC4000-memory.dmp
            Download

            memory/3632-0-0x00007FF8E63AF000-0x00007FF8E63B0000-memory.dmp
            Download

            memory/3632-4-0x00007FF8E6220000-0x00007FF8E6BC4000-memory.dmp
            Download

            memory/3632-3-0x00007FF8E6220000-0x00007FF8E6BC4000-memory.dmp
            Download

            memory/3632-2-0x00007FF8E6220000-0x00007FF8E6BC4000-memory.dmp
            Download

            memory/3632-1-0x000001C60AEC0000-0x000001C60AF04000-memory.dmp
            Download