Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
09/05/2026, 08:37
General
- Target a05d57bff6649fde815b6d476f1c711ffcf250230d9a0abf7c07eb544d5b6e3c.exe
- Size 4.0MB
- Sample260509-kh6cssgy3l
- SHA256 a05d57bff6649fde815b6d476f1c711ffcf250230d9a0abf7c07eb544d5b6e3c
Malware Config
Signatures
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 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 whether UAC is enabled 1 TTPs 1 IoCs
- Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\a05d57bff6649fde815b6d476f1c711ffcf250230d9a0abf7c07eb544d5b6e3c.exe"C:\Users\Admin\AppData\Local\Temp\a05d57bff6649fde815b6d476f1c711ffcf250230d9a0abf7c07eb544d5b6e3c.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
list_1778315837.txt
memory/2560-9-0x0000000000B50000-0x0000000001481000-memory.dmp
memory/2560-11-0x0000000000BB2000-0x0000000000BB3000-memory.dmp
memory/2560-4-0x0000000000B50000-0x0000000001481000-memory.dmp
memory/2560-5-0x0000000000B50000-0x0000000001481000-memory.dmp
memory/2560-7-0x0000000000B50000-0x0000000001481000-memory.dmp
memory/2560-0-0x0000000000B50000-0x0000000001481000-memory.dmp
memory/2560-10-0x0000000000B50000-0x0000000001481000-memory.dmp
memory/2560-2-0x0000000000B50000-0x0000000001481000-memory.dmp
memory/2560-8-0x0000000000B50000-0x0000000001481000-memory.dmp
memory/2560-12-0x0000000000B50000-0x0000000001481000-memory.dmp
memory/2560-6-0x0000000000B50000-0x0000000001481000-memory.dmp
memory/2560-3-0x0000000000B50000-0x0000000001481000-memory.dmp
memory/2560-21-0x00000000038A0000-0x000000000391E000-memory.dmp
memory/2560-20-0x0000000000B50000-0x0000000001481000-memory.dmp