vidar | e185c7245bd3740d3715a94fef4a1ec941362a7e1ff421ff8eb785ccb11ab385

Analysis

user interaction
yes
max time kernel
12s
max time network
9s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
02/10/2026, 09:07

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General

Target
msu4.exe
Size 12.8MB
Sample261002-k3f9easw8j
SHA256 e185c7245bd3740d3715a94fef4a1ec941362a7e1ff421ff8eb785ccb11ab385
MD5 465ecedd8f00c917bb7ac0a88695fb27
SHA1 7907a5fe8ad531caa94de4e575f4c21c4fcd9a1c
SHA512 e008b9c01ab901511e481b4fb078b32560a965f1da7b4862a11ef9a0b0d28a06659fa38bf1691f8bb0dfabf027c4350aed1c53d598d45d945468eb3e5ecfb69d
SSDEEP 49152:ba08hFDuMZs3yy4AFLWse60Fe3NPxUUQ21ZM7DJBfr13EUT3VQI8ZbrIxzfNUZ0g:GzIvxt
TLSH
T16BD61B07B24910ECC64BD37484F46A7A26F23DAE5632765A0E997FA02F127917FE4F04
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

704839b8ac11cd72abd2df05f7018093 defense_evasion discovery vidar stealer

Malware Config

Extracted

Family

vidar

Version

Botnet

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

Attributes

user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) Chrome/150.0.0.0 YaBrowser/26.8.0.0

Signatures

Family: Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar

Enumerates VirtualBox registry keys 2 TTPs 5 IoCs

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxGuest	msu4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxMouse	msu4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxService	msu4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxSF	msu4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxVideo	msu4.exe

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 3 IoCs

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	msu4.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\FADT\VBOX__	msu4.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\RSDT\VBOX__	msu4.exe

Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions	msu4.exe

Looks for VMWare Tools registry key 2 TTPs 1 IoCs

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools	msu4.exe

Checks BIOS information in registry 2 TTPs 3 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	msu4.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	msu4.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	msu4.exe

Checks system information in the registry 2 TTPs 2 IoCs

System information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SystemInformation\SystemManufacturer	msu4.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SystemInformation\SystemProductName	msu4.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.

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\VBoxMiniRdrDN	msu4.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.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	msu4.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	msu4.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\BIOS	msu4.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	msu4.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	msu4.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
4704	msu4.exe
4704	msu4.exe
4704	msu4.exe
4704	msu4.exe
4704	msu4.exe
4704	msu4.exe
4704	msu4.exe
4704	msu4.exe
4704	msu4.exe
4704	msu4.exe

C:\Users\Admin\AppData\Local\Temp\msu4.exe
"C:\Users\Admin\AppData\Local\Temp\msu4.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:4704

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Network Configuration Discovery

T1016

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4704-0-0x0000000570000000-0x0000000570295000-memory.dmp

Download

memory/4704-1-0x0000000570000000-0x0000000570295000-memory.dmp

Download

memory/4704-4-0x0000000570000000-0x0000000570295000-memory.dmp

Download

memory/4704-5-0x0000000570000000-0x0000000570295000-memory.dmp

Download