Analysis
- max time kernel
148s - max time network
134s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
01/10/2026, 22:29
General
- Target S_t_U_ [U_D].exe
- Size 15.7MB
- Sample261001-2ebgpasapd
- SHA256 c313b55185b670de0086d3fbf9e7f829673a80d3418328fdabd475eba77e3750
Malware Config
Extracted
-
vidar
-
3.6
-
db4dbeb9d2bf06e5d5a3e43f0f5c42d0
-
https://172.233.32.123
-
https://t.me/j88hor
-
https://steamcommunity.com/profiles/7656119863395025
-
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\S_t_U_ [U_D].exe"C:\Users\Admin\AppData\Local\Temp\S_t_U_ [U_D].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/980-0-0x00000005B0000000-0x00000005B0298000-memory.dmp
memory/980-1-0x00000005B0000000-0x00000005B0298000-memory.dmp
memory/980-2-0x00000005B0000000-0x00000005B0298000-memory.dmp
memory/980-3-0x00000005B0000000-0x00000005B0298000-memory.dmp
memory/980-4-0x00000005B0000000-0x00000005B0298000-memory.dmp
memory/980-5-0x00000005B0000000-0x00000005B0298000-memory.dmp