Analysis
- max time kernel
149s - max time network
122s - platform
windows10_x64 - resource
win10v200722 - submitted
27/08/2020, 07:52
General
- Target Build.exe
- Size 1.3MB
- Sample200827-hnkz9jgbk6
- SHA256 fbe27506c78a9c364bdadfbdbcfe6c60a436aa3c06c0d83494ef4edda50cd93e
Score
9/10
Malware Config
Signatures
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
- 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.
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Build.exe"C:\Users\Admin\AppData\Local\Temp\Build.exe"1⤵
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Adds Run key to start application
- 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/412-0-0x0000000002E10000-0x0000000002E11000-memory.dmp
memory/412-1-0x0000000003610000-0x0000000003611000-memory.dmp
memory/412-2-0x0000000002E10000-0x0000000002E11000-memory.dmp
memory/412-4-0x0000000073350000-0x0000000073A3E000-memory.dmp
memory/412-5-0x0000000000D60000-0x0000000000D61000-memory.dmp
memory/412-7-0x0000000006060000-0x0000000006061000-memory.dmp
memory/412-8-0x0000000005C50000-0x0000000005C51000-memory.dmp
memory/412-9-0x0000000005C30000-0x0000000005C31000-memory.dmp