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Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
19/12/2024, 07:18
General
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Target
39cb781a70f40105ffdbb75e77aa6d7f.exe
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Size
4.3MB
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MD5
39cb781a70f40105ffdbb75e77aa6d7f
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SHA1
79805738b703d0b7375140a0067f720f6ff5fb99
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SHA256
c3ce51918df45e9cae14921d25c0419397003733e9ada04a33e4cde97013e2e6
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SHA512
1d131ff871ee80937334672c905f8e94cb43d28e22843a7a6538cb54ec060ed01e02d48ab5569218bdb57248c6e2c7920e54ecb506f75ef7cefeb200c4587a98
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SSDEEP
98304:ZIrcGnmqWv8Zd8Ahx1D40LY9m+uigPG6itvR3yW22gKVW4G/FexOemDR90s:iBTWvAd8AhbF3+u3GltvRN7gUiPDRm
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\39cb781a70f40105ffdbb75e77aa6d7f.exe"C:\Users\Admin\AppData\Local\Temp\39cb781a70f40105ffdbb75e77aa6d7f.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
11.5MB
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Filesize
8KB
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Filesize
2.5MB
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Filesize
11.5MB
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Filesize
11.5MB
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Filesize
11.5MB
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Filesize
11.5MB
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Filesize
11.5MB
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Filesize
11.5MB
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Filesize
11.5MB
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Filesize
11.5MB
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Filesize
11.5MB
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Filesize
11.5MB
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Filesize
11.5MB
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Filesize
11.5MB