Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - submitted
02/12/2024, 22:57
General
- Target file.exe
- Size 4.2MB
- Sample241202-2w8thstjcm
- SHA256 f4f7be83376b05adee78a9dba538f0849f513ea47cee987b3cec1ddfcde4a695
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\file.exe"C:\Users\Admin\AppData\Local\Temp\file.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/4524-0-0x0000000000EE0000-0x0000000001B99000-memory.dmp
memory/4524-1-0x0000000077EB4000-0x0000000077EB6000-memory.dmp
memory/4524-2-0x0000000000EE1000-0x0000000001165000-memory.dmp
memory/4524-3-0x0000000000EE0000-0x0000000001B99000-memory.dmp
memory/4524-4-0x0000000000EE0000-0x0000000001B99000-memory.dmp
memory/4524-5-0x0000000000EE0000-0x0000000001B99000-memory.dmp
memory/4524-6-0x0000000000EE0000-0x0000000001B99000-memory.dmp
memory/4524-7-0x0000000000EE0000-0x0000000001B99000-memory.dmp
memory/4524-8-0x0000000000EE0000-0x0000000001B99000-memory.dmp
memory/4524-9-0x0000000000EE0000-0x0000000001B99000-memory.dmp
memory/4524-10-0x0000000000EE0000-0x0000000001B99000-memory.dmp
memory/4524-11-0x0000000000EE0000-0x0000000001B99000-memory.dmp
memory/4524-12-0x0000000000EE0000-0x0000000001B99000-memory.dmp
memory/4524-13-0x0000000000EE0000-0x0000000001B99000-memory.dmp
memory/4524-16-0x0000000000EE0000-0x0000000001B99000-memory.dmp
memory/4524-15-0x0000000000EE0000-0x0000000001B99000-memory.dmp