Analysis
- user interaction
yes - max time kernel
70s - max time network
68s - platform
windows11-21h2_x64 - resource
win11-20260911-es - resource tags
arch:x64arch:x86image:win11-20260911-eslocale:es-esos:windows11-21h2-x64systemwindows - submitted
01/10/2026, 13:41
Static task
static1
Behavioral task
behavioral1
Sample
msu.exe
Resource
win10ltsc2021-20260911-es
Behavioral task
behavioral2
Sample
msu.exe
Resource
win11-20260911-es
Behavioral task
behavioral3
Sample
msu.exe
Resource
win11ltsc2024-20260911-es
General
- Target msu.exe
- Size 15.6MB
- Sample261001-qzcppsycqg
- SHA256 73df72293f56c2fb3264ad79523290e9b2dbde492aa3e99959192484ae2e4962
- MD5 7757cfb08b4a047bdf30abf9801c1553
- SHA1 eae3ebb760fb48506d726a7eaabcbd21663a7cd4
- SHA512 be6614d428491df6cf61c0cdaa74398fa128d1026ecde6956b234758196946c8c5939234a89505508d74c178b6ed377ff219530108c68095d9af3e3db3c400fb
- SSDEEP 49152:oIkzGTOxpk0mR1otPBGkQ4LfXCvz8ToufTTDNMR2z4zdeKI5dmT5KLMG8gwatWEs:CnCuf4zdcBoGVAr
- TLSH T1CFF6FA17B35410E8C98BD33584F15A6A22B23CEE5632775A0E99AFD02F127D17FA4F48
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
vidar
-
3.6
-
704839b8ac11cd72abd2df05f7018093
-
https://31.15.17.99
-
https://telegram.me/j88hor
-
https://community.fandom.com/wikia.php?controller=UserProfile&method=getUserData&format=json&userId=64296247
-
https://steamcommunity.com/profiles/76561198633950250
-
user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) Chrome/150.0.0.0 YaBrowser/26.8.0.0
Signatures
- Enumerates VirtualBox registry keys 2 TTPs 5 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxGuest msu.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxMouse msu.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxService msu.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxSF msu.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxVideo msu.exe - Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\FADT\VBOX__ msu.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\RSDT\VBOX__ msu.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ msu.exe - Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions msu.exe - Looks for VMWare Tools registry key 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools msu.exe - Checks BIOS information in registry 2 TTPs 3 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion msu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion msu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate msu.exe - Checks system information in the registry 2 TTPs 2 IoCs
System information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SystemInformation\SystemManufacturer msu.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SystemInformation\SystemProductName msu.exe - Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN msu.exe - Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname msu.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain msu.exe - Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\Description\System\BIOS msu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer msu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName msu.exe - Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 4688 msu.exe 4688 msu.exe 4688 msu.exe 4688 msu.exe 4688 msu.exe 4688 msu.exe 4688 msu.exe 4688 msu.exe 4688 msu.exe 4688 msu.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\msu.exe"C:\Users\Admin\AppData\Local\Temp\msu.exe"1⤵
- Enumerates VirtualBox registry keys
- 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 system information in the registry
- Checks for VirtualBox DLLs, possible anti-VM trick
- Reads the TCP/IP host and domain name from the registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
PID:4688