Analysis
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max time kernel
118s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
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submitted
05-12-2024 12:46
General
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Target
RA1YW_file.exe
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Size
4.3MB
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MD5
72950603b12d5d99f2ebcedeb3aed5d6
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SHA1
3587c298d27279b481f9efa0c02be575b6a06599
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SHA256
76d86e157a4fa1f1b3abf649b931cdc91af733e2b50a863cc9a1dcbb131148b4
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SHA512
1fbcb1f8793eab0107924f6ec8789eb1752fd39eb4683193b6962803911abbb7ff1d05a362dec349c768e656f7f84144150b06a35e13f74d60afe422cbb407c8
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SSDEEP
98304:f7GBXgWNPrFM6tSwBprLlYHt072IjqTSfvlheYEoMReoPDZhn/FRS:DwgWDMQBpPl1KIjzvXezosTDZv
Malware Config
Extracted
cryptbot
Signatures
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CryptBot
CryptBot is a C++ stealer distributed widely in bundle with other software.
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Cryptbot family
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Enumerates VirtualBox registry keys 2 TTPs 1 IoCs
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
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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.
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
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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.
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Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\RA1YW_file.exe"C:\Users\Admin\AppData\Local\Temp\RA1YW_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
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Filesize
12.8MB
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Filesize
8KB
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Filesize
2.5MB
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Filesize
12.8MB
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Filesize
12.8MB
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Filesize
12.8MB
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Filesize
12.8MB
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Filesize
12.8MB
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Filesize
12.8MB
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Filesize
12.8MB
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Filesize
12.8MB