Analysis
- max time kernel
110s - max time network
110s - platform
windows10_x64 - resource
win10-en-20210920 - submitted
04/10/2021, 10:32
General
- Target 204cdae0b9583005eed92479e5f27e01.exe
- Size 2.7MB
- Sample211004-mkzddagcbl
- SHA256 ff144f47f95b7b8f24573fc07b29562fdff19ea4a0d784e5c122995ab42095ad
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\204cdae0b9583005eed92479e5f27e01.exe"C:\Users\Admin\AppData\Local\Temp\204cdae0b9583005eed92479e5f27e01.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/3572-116-0x00000000772D0000-0x000000007745E000-memory.dmp
memory/3572-117-0x0000000000F90000-0x0000000000F91000-memory.dmp
memory/3572-119-0x0000000006480000-0x0000000006481000-memory.dmp
memory/3572-120-0x0000000005D80000-0x0000000005D81000-memory.dmp
memory/3572-121-0x0000000005F80000-0x0000000005F81000-memory.dmp
memory/3572-122-0x0000000005DE0000-0x0000000005DE1000-memory.dmp
memory/3572-123-0x0000000005E70000-0x0000000005E71000-memory.dmp
memory/3572-124-0x0000000005E60000-0x0000000005E61000-memory.dmp
memory/3572-125-0x00000000076E0000-0x00000000076E1000-memory.dmp
memory/3572-126-0x0000000007DE0000-0x0000000007DE1000-memory.dmp
memory/3572-127-0x0000000007640000-0x0000000007641000-memory.dmp
memory/3572-128-0x0000000007980000-0x0000000007981000-memory.dmp
memory/3572-129-0x0000000008810000-0x0000000008811000-memory.dmp
memory/3572-130-0x0000000007960000-0x0000000007961000-memory.dmp
memory/3572-131-0x0000000007D30000-0x0000000007D31000-memory.dmp
memory/3572-132-0x0000000008410000-0x0000000008411000-memory.dmp