Analysis
- max time kernel
79s - max time network
120s - platform
windows10_x64 - resource
win10-en-20210920 - submitted
08/10/2021, 01:15
General
- Target 8bc89e5b9e175cf9f421f9ccbc0bc7bd.exe
- Size 2.8MB
- Sample211008-bl84esdaa4
- SHA256 e5c5ed9b49632298fb4d1927636e7a97fae95bdb5b13e1a5942a5b93dd21d2f5
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 3 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\8bc89e5b9e175cf9f421f9ccbc0bc7bd.exe"C:\Users\Admin\AppData\Local\Temp\8bc89e5b9e175cf9f421f9ccbc0bc7bd.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/2352-115-0x0000000077110000-0x000000007729E000-memory.dmp
memory/2352-117-0x00000000000C0000-0x00000000000C1000-memory.dmp
memory/2352-119-0x00000000059F0000-0x00000000059F1000-memory.dmp
memory/2352-120-0x0000000005460000-0x0000000005461000-memory.dmp
memory/2352-121-0x0000000005590000-0x0000000005591000-memory.dmp
memory/2352-122-0x00000000054C0000-0x00000000054C1000-memory.dmp
memory/2352-123-0x0000000005500000-0x0000000005501000-memory.dmp
memory/2352-124-0x00000000053E0000-0x00000000059E6000-memory.dmp
memory/2352-125-0x00000000065D0000-0x00000000065D1000-memory.dmp
memory/2352-126-0x0000000006CD0000-0x0000000006CD1000-memory.dmp
memory/2352-127-0x0000000006820000-0x0000000006821000-memory.dmp
memory/2352-128-0x0000000006950000-0x0000000006951000-memory.dmp
memory/2352-129-0x0000000007700000-0x0000000007701000-memory.dmp
memory/2352-130-0x0000000006A10000-0x0000000006A11000-memory.dmp
memory/2352-131-0x0000000007270000-0x0000000007271000-memory.dmp
memory/2352-132-0x0000000007580000-0x0000000007581000-memory.dmp