Analysis
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max time kernel
117s -
max time network
117s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
17-01-2022 15:35
General
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Target
固定用户锁V2（去除蓝屏关机之类的所有暗装）.exe
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Size
3.9MB
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MD5
3ca0a601129170828f89a70f63dec5b8
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SHA1
8e1f1ac711133e37026468c75f554c56d8441531
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SHA256
bb831434dada721f000a29589a4a2354e15b4c1c73191c8bac8638d91481dc8b
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SHA512
7958d5da3964f53a18e1c0c13ecf309384cd88441a611f69a378dd478fcd48107847b62e6b8947a8544920c6d9e58e2a3bd01ea0ffc7f62165a9f25297033849
Score
9/10
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
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Themida packer 4 IoCs
Detects Themida, an advanced Windows software protection system.
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Checks whether UAC is enabled 1 TTPs 1 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of SetWindowsHookEx 2 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\固定用户锁V2（去除蓝屏关机之类的所有暗装）.exe"C:\Users\Admin\AppData\Local\Temp\固定用户锁V2（去除蓝屏关机之类的所有暗装）.exe"1⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/828-55-0x0000000076071000-0x0000000076073000-memory.dmpFilesize
8KB
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memory/828-56-0x0000000000400000-0x0000000000D07000-memory.dmpFilesize
9.0MB
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memory/828-57-0x0000000000400000-0x0000000000D07000-memory.dmpFilesize
9.0MB
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memory/828-58-0x0000000000400000-0x0000000000D07000-memory.dmpFilesize
9.0MB
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memory/828-59-0x0000000000400000-0x0000000000D07000-memory.dmpFilesize
9.0MB
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memory/828-60-0x0000000002C10000-0x0000000002C11000-memory.dmpFilesize
4KB