Analysis
- max time kernel
150s - max time network
149s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
- submitted
02/11/2022, 15:54
General
- Target file.exe
- Size 4.6MB
- Sample221102-tb7fysaaf2
- SHA256 8fbf0b841a18807b33e676c7224f11b4e6aa7725aa410ae66a9dbcea614009a9
Malware Config
Signatures
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Loads dropped DLL 3 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Themida packer 10 IoCs
Detects Themida, an advanced Windows software protection system.
- Accesses 2FA software files, 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
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
mozglue.dll
nss3.dll
sqlite3.dll
memory/1396-60-0x0000000000C50000-0x00000000016C3000-memory.dmp
memory/1396-58-0x0000000000C50000-0x00000000016C3000-memory.dmp
memory/1396-59-0x0000000077440000-0x00000000775C0000-memory.dmp
memory/1396-54-0x0000000074F41000-0x0000000074F43000-memory.dmp
memory/1396-61-0x0000000000C50000-0x00000000016C3000-memory.dmp
memory/1396-62-0x0000000000C50000-0x00000000016C3000-memory.dmp
memory/1396-63-0x0000000000C50000-0x00000000016C3000-memory.dmp
memory/1396-64-0x0000000000C50000-0x00000000016C3000-memory.dmp
memory/1396-65-0x0000000000C50000-0x00000000016C3000-memory.dmp
memory/1396-57-0x0000000000C50000-0x00000000016C3000-memory.dmp
memory/1396-56-0x0000000000C50000-0x00000000016C3000-memory.dmp
memory/1396-55-0x0000000000C50000-0x00000000016C3000-memory.dmp