Analysis
- user interaction
yes - max time kernel
148s - max time network
154s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
14/08/2026, 11:00
Behavioral task
behavioral1
Sample
pulse.exe
Resource
win10v2004-20260513-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
pulse.exe
Resource
win11ltsc2024-20260709-en
11 signatures
150 seconds
General
- Target pulse.exe
- Size 4.4MB
- Sample260814-m39bas1hlb
- SHA256 77007f912cdb665b568b37252e26666bc0baa052207f9fb2ec9b8789c7fb02de
- MD5 50a346cf89ea3eca7d54f51f9a167f1b
- SHA1 4a81e4f518b89868a9d539a1dcd6318137d1a82e
- SHA512 d2029bf49ee321b9306f527441ffdbf1a17c6233b7a7540d3b8b4a82ab1ac87b99a5b2c3fcbf44bb28b4f8c51c3647df761f2ed6d448cf4ff3f4ccafddcd54cc
- SSDEEP 98304:VXDRJZmrtm0S3T4Qs2F2y767Cr7i+jzViCjPIad01fSw7Y:xDRDmrc0Si2F2y7zBzkCfi1fSwc
- TLSH T11D2633123E1A6C34C4548EB0F4EF591B6A6B6F7658DA0ECCA7626DD7B8F9CC1039124C
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ pulse.exe - Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions pulse.exe - Looks for VMWare Tools registry key 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools pulse.exe - Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion pulse.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion pulse.exe -
resource yara_rule behavioral2/memory/1244-0-0x0000000140000000-0x0000000140B39000-memory.dmp themida behavioral2/memory/1244-1-0x0000000140000000-0x0000000140B39000-memory.dmp themida behavioral2/memory/1244-3-0x0000000140000000-0x0000000140B39000-memory.dmp themida behavioral2/memory/1244-2-0x0000000140000000-0x0000000140B39000-memory.dmp themida behavioral2/memory/1244-4-0x0000000140000000-0x0000000140B39000-memory.dmp themida behavioral2/memory/1244-5-0x0000000140000000-0x0000000140B39000-memory.dmp themida behavioral2/memory/1244-6-0x0000000140000000-0x0000000140B39000-memory.dmp themida - Checks whether UAC is enabled 1 TTPs 1 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA pulse.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 1244 pulse.exe - Executes a command shell one-liner 1 TTPs 3 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 3420 cmd.exe 1304 cmd.exe 1980 cmd.exe - Delays execution with timeout.exe 1 IoCs
pid Process 5320 timeout.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1244 pulse.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1244 wrote to memory of 3420 1244 pulse.exe 90 PID 3420 wrote to memory of 5756 3420 cmd.exe 91 PID 3420 wrote to memory of 4884 3420 cmd.exe 92 PID 3420 wrote to memory of 3548 3420 cmd.exe 93 PID 1244 wrote to memory of 1304 1244 pulse.exe 94 PID 1304 wrote to memory of 1980 1304 cmd.exe 95 PID 1980 wrote to memory of 5320 1980 cmd.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\pulse.exe"C:\Users\Admin\AppData\Local\Temp\pulse.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1244 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\pulse.exe" MD5 | find /i /v "md5" | find /i /v "certutil"2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:3420 -
C:\Windows\system32\certutil.execertutil -hashfile "C:\Users\Admin\AppData\Local\Temp\pulse.exe" MD53⤵PID:5756
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C:\Windows\system32\find.exefind /i /v "md5"3⤵PID:4884
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C:\Windows\system32\find.exefind /i /v "certutil"3⤵PID:3548
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c start cmd /C "color b && title Error && echo You need to run the KeyAuthApp.init(); function before any other KeyAuth functions && timeout /t 5"2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:1304 -
C:\Windows\system32\cmd.execmd /C "color b && title Error && echo You need to run the KeyAuthApp.init(); function before any other KeyAuth functions && timeout /t 5"3⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:1980 -
C:\Windows\system32\timeout.exetimeout /t 54⤵
- Delays execution with timeout.exe
PID:5320
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