Analysis
- max time kernel
137s - max time network
139s - platform
windows7_x64 - resource
win7-en - submitted
09/09/2021, 15:52
General
- Target 4e2d77343c3e79aba0611b4f8387bec4.exe
- Size 2.7MB
- Sample210909-ta3rdagde7
- SHA256 1c62b59df64ef5b19d9854c9cec2edb5be66d35772bb4bd33113b9cf34a2ffcd
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.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Themida packer 1 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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\4e2d77343c3e79aba0611b4f8387bec4.exe"C:\Users\Admin\AppData\Local\Temp\4e2d77343c3e79aba0611b4f8387bec4.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/1960-53-0x0000000075C11000-0x0000000075C13000-memory.dmp
memory/1960-55-0x0000000001180000-0x0000000001181000-memory.dmp
memory/1960-57-0x00000000010F0000-0x00000000010F1000-memory.dmp