Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
03/06/2024, 15:42
General
- Target 0b8bf44b050a8dbabaec357241865f276909ac9d28d72d619a0239dedfca99ee.exe
- Size 6.3MB
- Sample240603-s5beyabb8v
- SHA256 0b8bf44b050a8dbabaec357241865f276909ac9d28d72d619a0239dedfca99ee
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.
- Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
- 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
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\0b8bf44b050a8dbabaec357241865f276909ac9d28d72d619a0239dedfca99ee.exe"C:\Users\Admin\AppData\Local\Temp\0b8bf44b050a8dbabaec357241865f276909ac9d28d72d619a0239dedfca99ee.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Checks whether UAC is enabled
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
pcsf.ini
memory/688-36-0x0000000000400000-0x0000000001DE1000-memory.dmp
memory/688-39-0x0000000000400000-0x0000000001DE1000-memory.dmp
memory/688-5-0x0000000000400000-0x0000000001DE1000-memory.dmp
memory/688-6-0x0000000000400000-0x0000000001DE1000-memory.dmp
memory/688-3-0x0000000000400000-0x0000000001DE1000-memory.dmp
memory/688-34-0x0000000000400000-0x0000000001DE1000-memory.dmp
memory/688-4-0x0000000000400000-0x0000000001DE1000-memory.dmp
memory/688-37-0x0000000000400000-0x0000000001DE1000-memory.dmp
memory/688-35-0x0000000000400000-0x0000000001DE1000-memory.dmp
memory/688-38-0x0000000000400000-0x0000000001DE1000-memory.dmp
memory/688-0-0x0000000000400000-0x0000000001DE1000-memory.dmp
memory/688-40-0x0000000000400000-0x0000000001DE1000-memory.dmp
memory/688-41-0x0000000000400000-0x0000000001DE1000-memory.dmp
memory/688-42-0x0000000000400000-0x0000000001DE1000-memory.dmp
memory/688-43-0x0000000000400000-0x0000000001DE1000-memory.dmp