Overview

overview

8

Static

static

3

default.dat.exe

windows10-2004-x64

8

default.dat.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    104s
  • max time network
    119s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/07/2026, 01:52

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General

  • Target
    default.dat.exe
  • Size 13.6MB
  • Sample260709-cantsabw2p
  • SHA256 ef800f7a38b436827c0bc6299f378b099e377f1d7772ca2ab5f7949a1729a5ef
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwareexecutionpersistenceransomwarespyware

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
  • Command and Scripting Interpreter: PowerShell 1 TTPs 12 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    execution
  • Loads dropped DLL 15 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 28 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 26 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\default.dat.exe
    "C:\Users\Admin\AppData\Local\Temp\default.dat.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5624
    • C:\Users\Admin\AppData\Local\Temp\default.dat.exe
      "C:\Users\Admin\AppData\Local\Temp\default.dat.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2520
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp'""
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3496
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp'"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:5704
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionPath 'C:\Users\Public\Videos\rekigema'""
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3532
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command "Add-MpPreference -ExclusionPath 'C:\Users\Public\Videos\rekigema'"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3984
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp'""
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:5904
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp'"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3808
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionPath 'D:\'""
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:292
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command "Add-MpPreference -ExclusionPath 'D:\'"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          PID:4732
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionPath 'E:\'""
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4704
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command "Add-MpPreference -ExclusionPath 'E:\'"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          PID:1500
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionPath 'F:\'""
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2928
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command "Add-MpPreference -ExclusionPath 'F:\'"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          PID:3796
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionPath 'G:\'""
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3860
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command "Add-MpPreference -ExclusionPath 'G:\'"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          PID:3052
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionPath 'X:\'""
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2920
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command "Add-MpPreference -ExclusionPath 'X:\'"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          PID:5104
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionPath 'Y:\'""
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4276
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command "Add-MpPreference -ExclusionPath 'Y:\'"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          PID:4468
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionPath 'Z:\'""
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4572
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command "Add-MpPreference -ExclusionPath 'Z:\'"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          PID:3608
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionProcess 'C:\Windows\System32\cmd.exe'""
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2904
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command "Add-MpPreference -ExclusionProcess 'C:\Windows\System32\cmd.exe'"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          PID:1204
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionProcess 'C:\Windows\System32\clip.exe'""
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2128
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command "Add-MpPreference -ExclusionProcess 'C:\Windows\System32\clip.exe'"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          PID:1592
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2868
    • 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 FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:1332
  • 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:476
  • 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:4304

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        StartupProfileData-NonInteractive
        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 168454fbd10bd6c316787e0630eccd8473426abab36526d9269a91f4bb86727e
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        StartupProfileData-NonInteractive
        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 3b8d81e755972d0b47d8ee2cf37e173b9a84dab83f69f47ee897a7db3500370d
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        StartupProfileData-NonInteractive
        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 0ed81654443f8a6239c9e0abda9afc29e960ce83f49e02d9219a4dee8a8d7215
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        StartupProfileData-NonInteractive
        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 ca81aed6d41a228db41e9b0093ef306a01ab164608401db38056e1094724d927
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        StartupProfileData-NonInteractive
        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 e86ea29d5aaa9164cc3269e41b61e7ae574db7ed89ad3391ac83a29aee93c4ab
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        StartupProfileData-NonInteractive
        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 a3a4b6fedf55126bc425e0eeb18c369580170918cd5cfd2dc23f1decb04f3331
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        StartupProfileData-NonInteractive
        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 97ba58fb672945fef373e8c7f4d701a85941bf54d4f1d9acba1aa92550bd75c5
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        StartupProfileData-NonInteractive
        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 d28ef187840dcd1fe0a8a757ef9cd326023bec38b39ef1338f91d508d55dcf28
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        StartupProfileData-NonInteractive
        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 070e2dc002fee5d6c6ae0611713bb24a9f01d741d964e7f1ece4f61789724a94
        • MD5 SHA1 SHA512 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 603B
        • SHA256 b346273b0f3e13afaa9f07d97248343c45a667a5e097d1198a449a4de187aebb
        • MD5 SHA1 SHA512 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

        VCRUNTIME140.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI56242\VCRUNTIME140.dll
        • Size 117KB
        • SHA256 36585912e5eaf83ba9fea0631534f690ccdc2d7ba91537166fe53e56c221e153
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _bz2.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI56242\_bz2.pyd
        • Size 82KB
        • SHA256 fc3b481684b926350057e263622a2a5335b149a0498a8d65c4f37e39dd90b640
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _ctypes.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI56242\_ctypes.pyd
        • Size 128KB
        • SHA256 f63c6c7e71c342084d8f1a108786ca6975a52cefef8be32cc2589e6e2fe060c8
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _hashlib.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI56242\_hashlib.pyd
        • Size 62KB
        • SHA256 838d5c8b7c3212c8429baf612623abbbc20a9023eec41e34e5461b76a285b86c
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _lzma.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI56242\_lzma.pyd
        • Size 154KB
        • SHA256 d080eabd015a3569813a220fd4ea74dff34ed2a8519a10473eb37e22b1118a06
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _socket.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI56242\_socket.pyd
        • Size 81KB
        • SHA256 35246b04c6c7001ca448554246445a845ce116814a29b18b617ea38752e4659b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _uuid.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI56242\_uuid.pyd
        • Size 25KB
        • SHA256 f9d5008f0772aa0720bc056a6ecd5a2a3f24965e4b470b022d88627a436c1ffe
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        base_library.zip
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI56242\base_library.zip
        • Size 1.3MB
        • SHA256 7c42a8d43b79dc2f8c9a051a0a7baf64b317d2cdfdf71a8e25296e906d00f9d8
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        libcrypto-3.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI56242\libcrypto-3.dll
        • Size 5.0MB
        • SHA256 4e5d5d20d6d31e72ab341c81e97b89e514326c4c861b48638243bdf0918cfa43
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        libffi-8.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI56242\libffi-8.dll
        • Size 38KB
        • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _psutil_windows.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI56242\psutil\_psutil_windows.pyd
        • Size 69KB
        • SHA256 0035450801bd7d938e9e146c5ec28e619cb5a5f4a18cdc53ac7e9734c7f94f78
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        pyarmor_runtime.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI56242\pyarmor_runtime_000000\pyarmor_runtime.pyd
        • Size 625KB
        • SHA256 df2266171887024c5218dfc1ece0cd66dd7622749a26eff02bff1388806b916f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        python3.DLL
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI56242\python3.DLL
        • Size 68KB
        • SHA256 a5c6a329698490a035133433928d04368ce6285bb91a9d074fc285de4c9a32a4
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        python313.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI56242\python313.dll
        • Size 5.8MB
        • SHA256 0c0a66505093b6a4bb3475f716bd3d9552095776f6a124709c13b3f9552c7d99
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        select.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI56242\select.pyd
        • Size 30KB
        • SHA256 78e5994c29d8851f28b5b12d59d742d876683aea58eceea1fb895b2036cdcdeb
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        __PSScriptPolicyTest_kirq5an3.nn1.ps1
        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kirq5an3.nn1.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        memory/476-202-0x000001F083C90000-0x000001F083CB0000-memory.dmp
        Download

        memory/476-216-0x000001F0946A0000-0x000001F0946C0000-memory.dmp
        Download

        memory/476-185-0x000001F093E90000-0x000001F093F90000-memory.dmp
        Download

        memory/476-184-0x000001F083A30000-0x000001F083A50000-memory.dmp
        Download

        memory/476-168-0x000001F0801E0000-0x000001F0802E0000-memory.dmp
        Download

        memory/2520-149-0x0000000070180000-0x000000007022B000-memory.dmp
        Download

        memory/2520-78-0x0000000070180000-0x000000007022B000-memory.dmp
        Download

        memory/5704-72-0x00007FF80E730000-0x00007FF80F0D4000-memory.dmp
        Download

        memory/5704-74-0x00007FF80E730000-0x00007FF80F0D4000-memory.dmp
        Download

        memory/5704-58-0x00007FF80E730000-0x00007FF80F0D4000-memory.dmp
        Download

        memory/5704-57-0x00007FF80E8BF000-0x00007FF80E8C0000-memory.dmp
        Download

        memory/5704-80-0x00007FF80E730000-0x00007FF80F0D4000-memory.dmp
        Download

        memory/5704-77-0x00007FF80E730000-0x00007FF80F0D4000-memory.dmp
        Download

        memory/5704-76-0x00007FF80E730000-0x00007FF80F0D4000-memory.dmp
        Download

        memory/5704-75-0x0000023230440000-0x000002323044A000-memory.dmp
        Download

        memory/5704-136-0x00007FF80E730000-0x00007FF80F0D4000-memory.dmp
        Download

        memory/5704-59-0x00007FF80E730000-0x00007FF80F0D4000-memory.dmp
        Download

        memory/5704-73-0x00007FF80E730000-0x00007FF80F0D4000-memory.dmp
        Download

        memory/5704-62-0x00000232302C0000-0x00000232302E2000-memory.dmp
        Download

        memory/5704-70-0x0000023230360000-0x000002323037E000-memory.dmp
        Download

        memory/5704-71-0x0000023230380000-0x0000023230432000-memory.dmp
        Download

        memory/5704-67-0x00007FF80E730000-0x00007FF80F0D4000-memory.dmp
        Download

        memory/5704-66-0x00007FF80E730000-0x00007FF80F0D4000-memory.dmp
        Download

        memory/5704-65-0x00007FF80E730000-0x00007FF80F0D4000-memory.dmp
        Download

        memory/5704-64-0x00007FF80E730000-0x00007FF80F0D4000-memory.dmp
        Download

        memory/5704-63-0x00007FF80E730000-0x00007FF80F0D4000-memory.dmp
        Download