General
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Target
81d19c557d31608a6be0d419928e30dca063c2a2bb909d03133c15d75f246e56.exe
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Size
4.3MB
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Sample
241228-c1b8nstqhz
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MD5
ed79b16c404fd4bdc0f3de692cc154ad
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SHA1
10404abae6c82c38676da0478af22103aaaefd56
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SHA256
81d19c557d31608a6be0d419928e30dca063c2a2bb909d03133c15d75f246e56
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SHA512
9547fdda3a7171b02263f911da08cefcebb8fa21d9abe77d5ccebbe26abd670f95b1b71f7052be4f5ba5d4a69fdbd134c45b0aa77b3a0e984a7f3aadb1a38b53
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SSDEEP
98304:dP1o+IPtkJMrlapSlM7hF+SLTXcBTWxyFl:dWcMrQS8F+gTUT
Static task
static1
Behavioral task
behavioral1
Sample
81d19c557d31608a6be0d419928e30dca063c2a2bb909d03133c15d75f246e56.exe
Resource
win7-20241010-en
Malware Config
Extracted
cryptbot
Targets
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Target
81d19c557d31608a6be0d419928e30dca063c2a2bb909d03133c15d75f246e56.exe
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Size
4.3MB
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MD5
ed79b16c404fd4bdc0f3de692cc154ad
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SHA1
10404abae6c82c38676da0478af22103aaaefd56
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SHA256
81d19c557d31608a6be0d419928e30dca063c2a2bb909d03133c15d75f246e56
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SHA512
9547fdda3a7171b02263f911da08cefcebb8fa21d9abe77d5ccebbe26abd670f95b1b71f7052be4f5ba5d4a69fdbd134c45b0aa77b3a0e984a7f3aadb1a38b53
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SSDEEP
98304:dP1o+IPtkJMrlapSlM7hF+SLTXcBTWxyFl:dWcMrQS8F+gTUT
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Cryptbot family
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Enumerates VirtualBox registry keys
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Identifies Wine through registry keys
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
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of NtSetInformationThreadHideFromDebugger
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