Analysis
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max time kernel
95s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
28-12-2024 08:31
General
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Target
81faa857e0e440955735ed78a8c61ddd.exe
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Size
4.3MB
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MD5
81faa857e0e440955735ed78a8c61ddd
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SHA1
c13ce342d65ff323711b7a8829bcc3f94a3cfe56
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SHA256
0db9a16d15b04d332d6f96fea01b0c31662105d3097f340ed124c7357a964072
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SHA512
3daacf7ea9b6160568f0d285898c56921f588a226e5055b803c74533218bde2b9f102facba3e6fd2d47241b9b5edcdb11e2df29daa7307503092c7be161362c9
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SSDEEP
98304:j6o0e+zdDWFs1wNzJH9K5/ig4mCRqItKHT64yFyeYm5t7g/Htn:j6o0e+z84wVJHs5/x41cW4yEeP5ta
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 10 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\81faa857e0e440955735ed78a8c61ddd.exe"C:\Users\Admin\AppData\Local\Temp\81faa857e0e440955735ed78a8c61ddd.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
12.1MB
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Filesize
8KB
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Filesize
2.5MB
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Filesize
12.1MB
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Filesize
12.1MB
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Filesize
12.1MB
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Filesize
12.1MB
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Filesize
12.1MB
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Filesize
12.1MB
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Filesize
12.1MB
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Filesize
12.1MB
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Filesize
12.1MB
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Filesize
12.1MB
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Filesize
12.1MB
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Filesize
12.1MB