Analysis
- max time kernel
63s - max time network
130s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
29/09/2022, 18:09
General
- Target file.exe
- Size 5.4MB
- Sample220929-wrfdhsbfe4
- SHA256 7a2d18d2dcaaae50afb1f0aeca3d2aacb172471ec1fa11877c8bb731586ba711
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.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Themida packer 6 IoCs
Detects Themida, an advanced Windows software protection system.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Checks whether UAC is enabled 1 TTPs 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.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: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/4572-134-0x0000000000400000-0x0000000000E45000-memory.dmp
memory/4572-135-0x0000000000400000-0x0000000000E45000-memory.dmp
memory/4572-140-0x0000000000400000-0x0000000000E45000-memory.dmp
memory/4572-141-0x0000000000400000-0x0000000000E45000-memory.dmp
memory/4572-142-0x00000000771B0000-0x0000000077353000-memory.dmp
memory/4572-143-0x00000000056B0000-0x0000000005C54000-memory.dmp
memory/4572-144-0x0000000005CA0000-0x0000000005D32000-memory.dmp
memory/4572-145-0x0000000005D40000-0x0000000006358000-memory.dmp
memory/4572-146-0x0000000006400000-0x000000000650A000-memory.dmp
memory/4572-147-0x0000000006530000-0x0000000006542000-memory.dmp
memory/4572-148-0x0000000006550000-0x000000000658C000-memory.dmp
memory/4572-149-0x0000000000400000-0x0000000000E45000-memory.dmp
memory/4572-150-0x00000000771B0000-0x0000000077353000-memory.dmp
memory/4572-151-0x0000000007260000-0x00000000072C6000-memory.dmp
memory/4572-152-0x0000000007840000-0x0000000007A02000-memory.dmp
memory/4572-153-0x0000000007A20000-0x0000000007F4C000-memory.dmp
memory/4572-154-0x0000000000400000-0x0000000000E45000-memory.dmp
memory/4572-155-0x00000000771B0000-0x0000000077353000-memory.dmp