411c48c0433896b19abad62b2006f07ae8ccb3a742306bcc5d63c40feedfb4f7

Analysis

max time kernel
4s
max time network
68s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
03/08/2026, 02:43

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Reason

Machine shutdown

General

Target
HitDevice.exe
Size 3.2MB
Sample260803-c7rxpsbj6w
SHA256 411c48c0433896b19abad62b2006f07ae8ccb3a742306bcc5d63c40feedfb4f7
MD5 ec261281ea0bfe4f5acfeb8909cb2d52
SHA1 e78c00574ad0589707ea81a7cc9aab7ffe3c0819
SHA512 7efc3ceb21fc2835e9053ac7a651e97bea4ac791ba3ac51c7d3a7b98587551a8d358416e3ba2fa0ed26c40023e3c868a8b1d6861097911ec8bdf59f9d5bc9430
SSDEEP 49152:0v7JTHkNRg6thCr/2yU1dLU1o+NWT7uDU2AM9Fw7MbcJv4NoQ45XEWkrwRd66bKr:
TLSH
T1C5F5E42229EF509DB3A39AAC5FC8F8BF9959F673160E30F620711B46C722D818D52375
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

bootkit discovery execution persistence privilege_escalation ransomware

Malware Config

Signatures

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.
persistence privilege_escalation

Component Object Model Hijacking
T1546.015

Executes dropped EXE 1 IoCs

pid	Process
3412	nasm.exe

Modifies system executable filetype association 2 TTPs 16 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\edit\command	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\runas	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\runasuser	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shellex\DropHandler	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\print	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\runas\command	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\runasuser\command	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell	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	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\print\command	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shellex\{8895b1c6-b41f-4c1c-a562-0d564250836f}	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shellex\ContextMenuHandlers\Compatibility	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shellex\ContextMenuHandlers	reg.exe

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.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	HitDevice.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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.

execution

Windows Command Shell

T1059.003

pid	Process
2776	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nasm.exe

Modifies registry class 64 IoCs

description	ioc	Process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\.compositefont	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\.dic	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\.ics	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{00024502-0000-0000-C000-000000000046}\Implemented Categories\{000C0118-0000-0000-C000-000000000046}	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\.onepkg	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\AccDictionary.AccDictionary\CurVer	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{00020820-0000-0000-C000-000000000046}\DataFormats\DefaultFile	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0006F04C-0000-0000-C000-000000000046}\ProgID	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0006F051-0000-0000-C000-000000000046}\InprocServer32	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4C599241-6926-101B-9992-00000B65C6F9}\Implemented Categories\{4FED769C-D8DB-44EA-99EA-65135757C156}	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{79176FB0-B7F2-11CE-97EF-00AA006D2776}\ProgID	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\.TS	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{00020832-0000-0000-C000-000000000046}\TypeLib	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{10072CEC-8CC1-11D1-986E-00A0C955B42E}\Implemented Categories\{7DD95801-9882-11CF-9FA9-00AA006C42C4}	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{55B3A0BD-4D28-42fe-8CFB-FA3EDFF969B8}\InProcServer32	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{912ABC52-36E2-4714-8E62-A8B73CA5E390}\Conversion\ReadWritable\Main	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\.vtx\shellex\{00021500-0000-0000-C000-000000000046}	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{00020827-0000-0000-C000-000000000046}\InprocHandler32	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\.dbs\PersistentHandler	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\.website\OpenWithProgIds	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{00024500-0000-0000-C000-000000000046}\Implemented Categories\{000C0118-0000-0000-C000-000000000046}	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0006F054-0000-0000-C000-000000000046}\InprocServer32	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1BD3AC02-7468-49C8-80CF-A138ECB84317}\InProcServer32	reg.exe
Key deleted	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\BannerNotificationHandler.BannerNotificationHandler\shell\import\DropTarget	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0006F04A-0000-0000-C000-000000000046}\LocalServer32	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{18A06B6B-2F3F-4e2b-A611-52BE631B2D22}\DataFormats\GetSet\3	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\.vssm\ShellEx\{BB2E617C-0920-11d1-9A0B-00C04FC2D6C1}	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{00020821-0000-0000-C000-000000000046}\Insertable	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1814CEEB-49E2-407F-AF99-FA755A7D2607}\InProcServer32	reg.exe
Key deleted	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\CLSID\{389510b7-9e58-40d7-98bf-60b911cb0ea9}\TypeLib	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{71F96461-78F3-11d0-A18C-00A0C9118956}	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{7751F46E-39B2-4b50-A7E3-23EF598ECD85}	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{912ABC52-36E2-4714-8E62-A8B73CA5E390}\DataFormats\GetSet\0	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\.hxf	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\.pdf\OpenWithList\AcroRd32.exe	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\.xevgenxml	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5512D11A-5CC6-11CF-8D67-00AA00BDCE1D}\ToolboxBitmap32	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\AcroExch.Document.DC\shell\Printto	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{506F4668-F13E-4AA1-BB04-B43203AB3CC0}\InprocServer32	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\.odcnewfile	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\AcroBroker.Broker\CurVer	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{00020833-0000-0000-C000-000000000046}\Conversion\Readable\Main	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1B261B22-AC6A-4E68-A870-AB5080E8687B}\InprocHandler32	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\.mef\ShellEx	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{00020820-0000-0000-C000-000000000046}\DataFormats\GetSet\1	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{00020906-0000-0000-C000-000000000046}\Version	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{000498C4-0000-0000-C000-000000000046}\TreatAs	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{235EB944-F722-47DB-8EE7-1EE27A8D4F98}	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{298a6f17-03e7-4bd4-971c-544f359527b7}	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{62B4D041-4667-40B6-BB50-4BC0A5043A73}\InprocServer32	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\AcroExch.acrobatsecuritysettings\CLSID	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Applications\mplayer.exe	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\ASFFile\shellex\{8895b1c6-b41f-4c1c-a562-0d564250836f}	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0006F023-0000-0000-C000-000000000046}\MiscStatus	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{75D01070-1234-44E9-82F6-DB5B39A47C13}\Conversion\Readable	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\.appcontent-ms	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\.hxd\OpenWithProgIDs	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CID\f3d0f2e3-18cd-4b18-ad3e-b495d98d5f5f\Protocol	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{00020833-0000-0000-C000-000000000046}\DefaultExtension	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\.asm	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CID.Local\d35e9e87-8bf3-45d2-873f-8e415bf200a9\Svcid	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5852F5ED-8BF4-11D4-A245-0080C6F74284}\ProgID	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6E182020-F460-11CE-9BCD-00AA00608E01}\Implemented Categories	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\.dvr-ms\OpenWithProgIds	reg.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	4592	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	4592	AUDIODG.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4140 wrote to memory of 2776	4140	HitDevice.exe	90
PID 4140 wrote to memory of 3412	4140	HitDevice.exe	92
PID 2776 wrote to memory of 3376	2776	cmd.exe	94

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

Query Registry
T1012
Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\HitDevice.exe
"C:\Users\Admin\AppData\Local\Temp\HitDevice.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious use of WriteProcessMemory
PID:4140
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /k reg delete HKCR /f
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:2776
- - C:\Windows\system32\reg.exe
    reg delete HKCR /f
    3⤵
    - Modifies system executable filetype association
    - Modifies registry class
    PID:3376
- C:\Users\Admin\AppData\Local\Temp\nasm.exe
  "nasm.exe" -f bin mbr_temp.asm -o mbr_temp.bin
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3412

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x00000000000004C4 0x00000000000004D0
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4592

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Persistence

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Component Object Model Hijacking

T1546.015

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Component Object Model Hijacking

T1546.015

Defense Evasion

Modify Registry

T1112

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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mbr_temp.asm

Path C:\Users\Admin\AppData\Local\Temp\mbr_temp.asm
Size 507B
SHA256 0d5ad0969f6ed401f43156e4817cdea1c58a61ddfe71fd3fff236d563bfec495
MD5 e54203b1ab2da0a186ec892373d1423b
SHA1 0284286ec52fd51e1fa5c059a14e633e73de4503
SHA512 16fec23147c22da031d51b1d6d4e45cc25b2c38460a448b05d82e7fce58e6d3c2e75b0687184d89e5614b9ecf99fc32914de7052377587e69ae8ae8e49fd71a3
TLSH
T1A6F0E55E5D925BC904FB4599F8C17E0BE2D9830F82D6382AB31C4337DFB65A446602AC
MD5 SHA1 SHA512 TLSH

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mbr_temp.bin

Path C:\Users\Admin\AppData\Local\Temp\mbr_temp.bin
Size 512B
SHA256 bb3727d4f12e15147670fccc3c06b0a23bed53961f3dae914216513fd07f6f69
MD5 9da8cdb9261177ea1af26e075844a22a
SHA1 a85e68c8250b967b62d0022ddfb0b1b43a6e69a1
SHA512 12c2bb7b3d174da3a42de15b3c6a744a53c7eabbbf3edf46eaf858940b7948c3d4867aaa7ff6ddbcbe39fb4c16c3f81d9cd4e7cf221a25aa045c4ba4a49d6534
TLSH
T1E1F00286592361FDC04C51347930805C10B404756D57D54B44D36D164A95752FF540D5
MD5 SHA1 SHA512 TLSH

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nasm.exe

Path C:\Users\Admin\AppData\Local\Temp\nasm.exe
Size 1.2MB
SHA256 a4735165141570d966b577d594c0541c29baed4978078c1c7237b855f8592a87
MD5 2f17bab79b9e5caa79c4f493a18fb06c
SHA1 f3eb8a09529b82fc08e919517e098644ddc01004
SHA512 37c62999e11f3a44c02bad2ad9941213c0264312f228de32466818ec84d745312f941f4adf6e4bf3f49d5d91e8df56dbf39b7966ed8d4b214b484c93635ca154
SSDEEP 24576:2zYx3PgYWwocek/r2+AAYNh3tBULAkS7Le:2koA/qhlL3rmzS7
TLSH
T1A4459422A687D9A3C40E1270DDC7D32977B2E0F46B368B87BA4C97AF7D213A11CC5546
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/3412-25-0x0000000000400000-0x0000000000539000-memory.dmp

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memory/4140-7-0x00007FFA5A4E0000-0x00007FFA5AE84000-memory.dmp

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memory/4140-4-0x00007FFA5A4E0000-0x00007FFA5AE84000-memory.dmp

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memory/4140-9-0x00007FFA5A4E0000-0x00007FFA5AE84000-memory.dmp

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memory/4140-10-0x00007FFA5A4E0000-0x00007FFA5AE84000-memory.dmp

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memory/4140-11-0x00007FFA5A4E0000-0x00007FFA5AE84000-memory.dmp

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memory/4140-1-0x0000000000440000-0x0000000000782000-memory.dmp

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memory/4140-3-0x00007FFA5A4E0000-0x00007FFA5AE84000-memory.dmp

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memory/4140-2-0x00007FFA5A4E0000-0x00007FFA5AE84000-memory.dmp

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memory/4140-0-0x00007FFA5A66F000-0x00007FFA5A670000-memory.dmp

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memory/4140-27-0x00007FFA5A4E0000-0x00007FFA5AE84000-memory.dmp

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memory/4140-28-0x00007FFA5A4E0000-0x00007FFA5AE84000-memory.dmp

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memory/4140-29-0x00007FFA5A4E0000-0x00007FFA5AE84000-memory.dmp

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Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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