General
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Target
fcf4eb8bd77e85b3e0af0678858ca534.exe
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Size
402KB
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Sample
211203-tyn8wshadp
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MD5
fcf4eb8bd77e85b3e0af0678858ca534
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SHA1
6d8858a95b1d560ca7b3eb473e5dc6fc5b85e488
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SHA256
8fa5bd420dc9825b97ff67dfce099b6c98a1fd81926de89ee11470407cc41d93
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SHA512
590828cd507c2255aa92296d7c846f20750e012b6b871d595d6e4586aa582e6ae7be07311f3e8252fb355456778884aec0a6e39af639afbe103b6fd79b65f72f
Static task
static1
Behavioral task
behavioral1
Sample
fcf4eb8bd77e85b3e0af0678858ca534.exe
Resource
win7-en-20211014
Malware Config
Extracted
cryptbot
tisqls52.top
mordyk05.top
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payload_url
http://danwyk16.top/download.php?file=kludge.exe
Targets
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Target
fcf4eb8bd77e85b3e0af0678858ca534.exe
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Size
402KB
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MD5
fcf4eb8bd77e85b3e0af0678858ca534
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SHA1
6d8858a95b1d560ca7b3eb473e5dc6fc5b85e488
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SHA256
8fa5bd420dc9825b97ff67dfce099b6c98a1fd81926de89ee11470407cc41d93
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SHA512
590828cd507c2255aa92296d7c846f20750e012b6b871d595d6e4586aa582e6ae7be07311f3e8252fb355456778884aec0a6e39af639afbe103b6fd79b65f72f
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Blocklisted process makes network request
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Downloads MZ/PE file
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Executes dropped EXE
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Deletes itself
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Loads dropped DLL
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Accesses cryptocurrency files/wallets, possible credential harvesting
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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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Legitimate hosting services abused for malware hosting/C2
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of NtSetInformationThreadHideFromDebugger
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