Analysis
- max time kernel
119s - max time network
120s - platform
windows7_x64 - resource
win7-20241023-en - resource tags
- submitted
28/12/2024, 08:30
General
- Target 8cb06b0904107a21706822f2f2d90832.exe
- Size 4.3MB
- Sample241228-kd7easxjay
- SHA256 05dd7b104f2c11892363053cfa4d3feed76b39614b34764ac571893b9495e2c4
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 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\8cb06b0904107a21706822f2f2d90832.exe"C:\Users\Admin\AppData\Local\Temp\8cb06b0904107a21706822f2f2d90832.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/2100-0-0x0000000000AC0000-0x000000000170D000-memory.dmp
memory/2100-1-0x0000000000AC0000-0x000000000170D000-memory.dmp
memory/2100-2-0x0000000000AC0000-0x000000000170D000-memory.dmp
memory/2100-3-0x0000000000AC0000-0x000000000170D000-memory.dmp
memory/2100-4-0x0000000000AC0000-0x000000000170D000-memory.dmp
memory/2100-5-0x0000000000AC0000-0x000000000170D000-memory.dmp
memory/2100-6-0x0000000000AC0000-0x000000000170D000-memory.dmp
memory/2100-7-0x0000000000AC0000-0x000000000170D000-memory.dmp
memory/2100-8-0x0000000000AC0000-0x000000000170D000-memory.dmp
memory/2100-9-0x0000000000AC0000-0x000000000170D000-memory.dmp
memory/2100-10-0x0000000000AC0000-0x000000000170D000-memory.dmp
memory/2100-11-0x0000000000AC0000-0x000000000170D000-memory.dmp
memory/2100-12-0x0000000000AC0000-0x000000000170D000-memory.dmp
memory/2100-13-0x0000000000AC0000-0x000000000170D000-memory.dmp
memory/2100-14-0x0000000000AC0000-0x000000000170D000-memory.dmp
memory/2100-15-0x0000000000AC0000-0x000000000170D000-memory.dmp
memory/2100-17-0x0000000000AC0000-0x000000000170D000-memory.dmp