Analysis
- max time kernel
116s - max time network
153s - platform
windows10_x64 - resource
win10-en-20210920 - submitted
27/09/2021, 08:32
General
- Target 396c1fee45927fc296c636b9748c754b.exe
- Size 3.0MB
- Sample210927-kfas4sgbe3
- SHA256 4417fe6510eaaf8d7abdbbf016667b39ba073638befe7c7e099cb929b6bb36e6
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.
- 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 3 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\396c1fee45927fc296c636b9748c754b.exe"C:\Users\Admin\AppData\Local\Temp\396c1fee45927fc296c636b9748c754b.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/2408-116-0x0000000077110000-0x000000007729E000-memory.dmp
memory/2408-117-0x00000000013E0000-0x00000000013E1000-memory.dmp
memory/2408-119-0x0000000006000000-0x0000000006001000-memory.dmp
memory/2408-120-0x0000000005A10000-0x0000000005A11000-memory.dmp
memory/2408-121-0x0000000005B40000-0x0000000005B41000-memory.dmp
memory/2408-122-0x0000000005A70000-0x0000000005A71000-memory.dmp
memory/2408-123-0x0000000005AB0000-0x0000000005AB1000-memory.dmp
memory/2408-124-0x00000000059E0000-0x00000000059E1000-memory.dmp
memory/2408-125-0x0000000007210000-0x0000000007211000-memory.dmp
memory/2408-126-0x0000000007910000-0x0000000007911000-memory.dmp
memory/2408-127-0x00000000073E0000-0x00000000073E1000-memory.dmp
memory/2408-128-0x0000000007500000-0x0000000007501000-memory.dmp
memory/2408-129-0x0000000008340000-0x0000000008341000-memory.dmp
memory/2408-130-0x00000000074C0000-0x00000000074C1000-memory.dmp
memory/2408-131-0x0000000007890000-0x0000000007891000-memory.dmp