Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
20/12/2024, 15:25
General
- Target ebfe28cb77f3d1246693fa372420d022.exe
- Size 4.2MB
- Sample241220-stlrjayrcm
- SHA256 fcf09a75838f976b2a8112606dee0912e662a5727822d8e349006299c3f6093a
Malware Config
Extracted
-
cryptbot
Signatures
- CryptBot
CryptBot is a C++ stealer distributed widely in bundle with other software.
- Cryptbot family
- Enumerates VirtualBox registry keys 2 TTPs 1 IoCs
- 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.
- Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 10 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\ebfe28cb77f3d1246693fa372420d022.exe"C:\Users\Admin\AppData\Local\Temp\ebfe28cb77f3d1246693fa372420d022.exe"1⤵
- Enumerates VirtualBox registry keys
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/880-0-0x0000000000C20000-0x0000000001778000-memory.dmp
memory/880-1-0x0000000077BD4000-0x0000000077BD6000-memory.dmp
memory/880-2-0x0000000000C21000-0x0000000000EA5000-memory.dmp
memory/880-3-0x0000000000C20000-0x0000000001778000-memory.dmp
memory/880-4-0x0000000000C20000-0x0000000001778000-memory.dmp
memory/880-5-0x0000000000C20000-0x0000000001778000-memory.dmp
memory/880-6-0x0000000000C20000-0x0000000001778000-memory.dmp
memory/880-7-0x0000000000C20000-0x0000000001778000-memory.dmp
memory/880-8-0x0000000000C20000-0x0000000001778000-memory.dmp
memory/880-9-0x0000000000C20000-0x0000000001778000-memory.dmp
memory/880-10-0x0000000000C20000-0x0000000001778000-memory.dmp
memory/880-11-0x0000000000C20000-0x0000000001778000-memory.dmp
memory/880-12-0x0000000000C20000-0x0000000001778000-memory.dmp