Analysis
- user interaction
yes - max time kernel
18s - max time network
5s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
15/04/2026, 22:41
General
- Target client.exe
- Size 4.7MB
- Sample260415-2mfrdadx4s
- SHA256 9a477f3b89f93dcddba925397499cf6271e85b8bdfa59f77f1d57a3859c165a1
Score
9/10
Malware Config
Signatures
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Themida packer 6 IoCs
Detects Themida, an advanced Windows software protection system.
- Checks whether UAC is enabled 1 TTPs 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\client.exe"C:\Users\Admin\AppData\Local\Temp\client.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\client.exe" MD5 | find /i /v "md5" | find /i /v "certutil"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\certutil.execertutil -hashfile "C:\Users\Admin\AppData\Local\Temp\client.exe" MD53⤵
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C:\Windows\system32\find.exefind /i /v "md5"3⤵
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C:\Windows\system32\find.exefind /i /v "certutil"3⤵
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/3400-0-0x0000000140000000-0x0000000140BE6000-memory.dmp
memory/3400-1-0x0000000140000000-0x0000000140BE6000-memory.dmp
memory/3400-2-0x0000000140000000-0x0000000140BE6000-memory.dmp
memory/3400-3-0x0000000140000000-0x0000000140BE6000-memory.dmp
memory/3400-5-0x0000000000530000-0x000000000053C000-memory.dmp
memory/3400-4-0x0000000140000000-0x0000000140BE6000-memory.dmp
memory/3400-7-0x0000000140000000-0x0000000140BE6000-memory.dmp
memory/3400-6-0x00000000024C0000-0x00000000024D2000-memory.dmp