Analysis
- max time kernel
92s - max time network
136s - platform
windows10_x64 - resource
win10-en - submitted
20/09/2021, 14:03
General
- Target 62984c286c4ca88904222295246bbc34.exe
- Size 3.1MB
- Sample210920-rcp7ysecd2
- SHA256 32bbafcfeb06498d54fd75c87947404055dc95c7baefb381fe49de79d4a47065
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 4 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\62984c286c4ca88904222295246bbc34.exe"C:\Users\Admin\AppData\Local\Temp\62984c286c4ca88904222295246bbc34.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/3908-116-0x0000000000220000-0x0000000000221000-memory.dmp
memory/3908-118-0x0000000005B80000-0x0000000005B81000-memory.dmp
memory/3908-119-0x00000000053E0000-0x00000000053E1000-memory.dmp
memory/3908-120-0x0000000005570000-0x0000000005571000-memory.dmp
memory/3908-121-0x0000000077080000-0x000000007720E000-memory.dmp
memory/3908-122-0x0000000005440000-0x0000000005441000-memory.dmp
memory/3908-123-0x0000000005480000-0x0000000005481000-memory.dmp
memory/3908-124-0x0000000005560000-0x0000000005561000-memory.dmp
memory/3908-125-0x0000000006E50000-0x0000000006E51000-memory.dmp
memory/3908-126-0x0000000007550000-0x0000000007551000-memory.dmp
memory/3908-127-0x0000000007020000-0x0000000007021000-memory.dmp
memory/3908-128-0x0000000007210000-0x0000000007211000-memory.dmp
memory/3908-129-0x0000000007330000-0x0000000007331000-memory.dmp
memory/3908-130-0x0000000007F80000-0x0000000007F81000-memory.dmp
memory/3908-131-0x00000000074D0000-0x00000000074D1000-memory.dmp
memory/3908-132-0x0000000007C70000-0x0000000007C71000-memory.dmp