Analysis
- user interaction
yes - max time kernel
72s - max time network
66s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
01/10/2026, 12:39
General
- Target msu3.exe
- Size 11.3MB
- Sample261001-pv3jwsysa1
- SHA256 4ff4d97cc7228dc2cc6717be3b1509d6eafab891a5d322c070ca4514cdd36098
Malware Config
Extracted
-
vidar
-
3.6
-
9b94622d620c1dea9c5d1492296e912c
-
https://31.58.181.194
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https://telegram.me/j88hor
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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
- Family: Vidar
Vidar is an infostealer based on Arkei stealer.
- Enumerates VirtualBox registry keys 2 TTPs 5 IoCs
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 3 IoCs
- Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
- Looks for VMWare Tools registry key 2 TTPs 1 IoCs
- Checks BIOS information in registry 2 TTPs 3 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Checks system information in the registry 2 TTPs 2 IoCs
System information is often read in order to detect sandboxing environments.
- 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.
- 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.
- Enumerates system info in registry 2 TTPs 3 IoCs
- Suspicious behavior: EnumeratesProcesses 10 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\msu3.exe"C:\Users\Admin\AppData\Local\Temp\msu3.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
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/2456-1-0x0000000570000000-0x0000000570295000-memory.dmp
memory/2456-0-0x0000000570000000-0x0000000570295000-memory.dmp
memory/2456-2-0x0000000570000000-0x0000000570295000-memory.dmp
memory/2456-3-0x0000000570000000-0x0000000570295000-memory.dmp
memory/2456-4-0x0000000570000000-0x0000000570295000-memory.dmp
memory/2456-5-0x0000000570000000-0x0000000570295000-memory.dmp