MALICIOUS
100
Risk Score
Malware Insights
MITRE ATT&CK
T1204 Malicious Link
T1559.001 Component Object Model
The sample is an encrypted Office document that utilizes embedded OLE objects, with a high-confidence detection of the Equation Editor vulnerability. This suggests the document is designed to exploit CVE-2017-11882 to deliver a malicious payload. The encryption with a default password further indicates an attempt to hinder analysis.
Heuristics 3
-
Equation Editor OLE object high OLE_EQUATION_EDITORDefault-encrypted OOXML embedded OLE object xl/embeddings/oleObject1.bin contains the Equation Editor CLSID, the legacy component exploited by CVE-2017-11882, CVE-2018-0802, and CVE-2018-0798.
-
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.
-
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.
Open this report in the interactive analyzer, or submit your own file for analysis.