Analysis
- max time kernel
97s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
23/12/2024, 06:59
General
- Target 075fa1c9ab37da504f2ebc0bdb1c5e8b.exe
- Size 4.3MB
- Sample241223-hr2d4axmgr
- SHA256 4f1587e3998b79e7f9bb6248e401da9e89922ee19f520d5cfff3bae1516ca19d
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\075fa1c9ab37da504f2ebc0bdb1c5e8b.exe"C:\Users\Admin\AppData\Local\Temp\075fa1c9ab37da504f2ebc0bdb1c5e8b.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/5112-0-0x0000000000760000-0x00000000013C7000-memory.dmp
memory/5112-1-0x0000000077284000-0x0000000077286000-memory.dmp
memory/5112-2-0x0000000000761000-0x00000000009EB000-memory.dmp
memory/5112-3-0x0000000000760000-0x00000000013C7000-memory.dmp
memory/5112-4-0x0000000000760000-0x00000000013C7000-memory.dmp
memory/5112-5-0x0000000000760000-0x00000000013C7000-memory.dmp
memory/5112-6-0x0000000000760000-0x00000000013C7000-memory.dmp
memory/5112-7-0x0000000000760000-0x00000000013C7000-memory.dmp
memory/5112-8-0x0000000000760000-0x00000000013C7000-memory.dmp
memory/5112-9-0x0000000000760000-0x00000000013C7000-memory.dmp
memory/5112-10-0x0000000000760000-0x00000000013C7000-memory.dmp
memory/5112-11-0x0000000000760000-0x00000000013C7000-memory.dmp
memory/5112-12-0x0000000000760000-0x00000000013C7000-memory.dmp
memory/5112-13-0x0000000000760000-0x00000000013C7000-memory.dmp
memory/5112-14-0x0000000000760000-0x00000000013C7000-memory.dmp
memory/5112-15-0x0000000000760000-0x00000000013C7000-memory.dmp