MALICIOUS
60
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1566.002 Spearphishing Link
The OOXML file is encrypted with a default password, a common technique to hide malicious content. The heuristic 'OOXML_ENCRYPTED_EXPLOIT_CARRIER_SHAPE' indicates the presence of an embedded object within the document, suggesting it's intended to carry and execute a secondary payload. The lack of extractable document body text and scripts prevents further analysis of the specific lure or payload delivery mechanism.
Heuristics 2
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Default-encrypted OOXML exploit carrier layout high OOXML_ENCRYPTED_EXPLOIT_CARRIER_SHAPEDefault-password encrypted OOXML package contains embedded OLE object parts and additional activation/decoy parts. This layout is common in malicious Excel exploit delivery and requires inspecting the decrypted package.
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Office OOXML encrypted with default VelvetSweatshop password medium OFFICE_DEFAULT_PASSWORD_ENCRYPTED_OOXMLOLE EncryptedPackage decrypts with Excel's built-in VelvetSweatshop password. Office opens this transparently, and malware uses it to hide OOXML exploit parts from scanners that only inspect the outer OLE container.
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