Malicious Office (OLE) / .XLSX — malware analysis report

Static analysis result for SHA-256 9b6e18a0afb68c50…

MALICIOUS

Office (OLE) / .XLSX

32.5 KB
MD5: 0668b6c90663c895c0f816baadc05d78 SHA-1: 6ba13d2095db25f3aeba2781412cf74a847c5fb9 SHA-256: 9b6e18a0afb68c50b079173e6faf6c5b119f58e5453b8c4981b58f89d5e262fd
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious File

The OOXML file is encrypted with a default password and contains an embedded OLE object, indicating it is likely an exploit carrier. The heuristics suggest this is a common technique for delivering malicious payloads. No document body or scripts were extractable due to encryption, limiting further analysis of the specific payload.

Heuristics 2

  • Default-encrypted OOXML exploit carrier layout high OOXML_ENCRYPTED_EXPLOIT_CARRIER_SHAPE
    Default-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.
  • Office OOXML encrypted with default VelvetSweatshop password medium OFFICE_DEFAULT_PASSWORD_ENCRYPTED_OOXML
    OLE 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.