Analysis
- max time kernel
20s - max time network
114s - platform
windows10_x64 - resource
win10v20201028 - submitted
12/02/2021, 09:04
General
- Target 4eac64695435e4a0d56cf1868d66cb18.exe
- Size 1.3MB
- Sample210212-wpyq6fp6f2
- SHA256 79911ca24005eddf5cb640b52b3e48ee14202bcf31e1e8c7356032d2f8636930
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.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- 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 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\4eac64695435e4a0d56cf1868d66cb18.exe"C:\Users\Admin\AppData\Local\Temp\4eac64695435e4a0d56cf1868d66cb18.exe"1⤵
- 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/4652-3-0x0000000073E30000-0x000000007451E000-memory.dmp
memory/4652-4-0x0000000077C64000-0x0000000077C65000-memory.dmp
memory/4652-5-0x0000000000DB0000-0x0000000000DB1000-memory.dmp
memory/4652-7-0x00000000058A0000-0x00000000058A1000-memory.dmp
memory/4652-8-0x0000000003550000-0x0000000003551000-memory.dmp
memory/4652-9-0x0000000005FE0000-0x0000000005FE1000-memory.dmp
memory/4652-10-0x00000000059A0000-0x00000000059A1000-memory.dmp
memory/4652-11-0x0000000005A10000-0x0000000005A11000-memory.dmp
memory/4652-12-0x00000000059C0000-0x00000000059C1000-memory.dmp
memory/4652-13-0x0000000005A50000-0x0000000005A51000-memory.dmp
memory/4652-14-0x0000000005CB0000-0x0000000005CB1000-memory.dmp
memory/4652-15-0x0000000006F00000-0x0000000006F01000-memory.dmp
memory/4652-16-0x0000000007600000-0x0000000007601000-memory.dmp
memory/4652-17-0x00000000070D0000-0x00000000070D1000-memory.dmp
memory/4652-18-0x0000000008030000-0x0000000008031000-memory.dmp
memory/4652-19-0x00000000071E0000-0x00000000071E1000-memory.dmp
memory/4652-20-0x0000000007ED0000-0x0000000007ED1000-memory.dmp