Office (OLE) / .XLS malware analysis — malicious · dc8cc8622001466d

MALICIOUS

Office (OLE) / .XLS

476.5 KB Created: 2006-09-16 00:00:00 Authoring application: Microsoft Excel

MD5: 4cbbf7815ee93202eb78ae0815ce9c2b SHA-1: 093f0bbc7422766b465332e1c8f608422e702329 SHA-256: dc8cc8622001466d8dd715db5cfd1c7e930f1c201fd1a37106f5191ae68a33e1

68 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.001 PowerShell

The critical heuristic firing indicates exploitation of CVE-2017-0199 via an OLE2Link object, which is designed to download and execute a remote payload from a specified URL. The extracted URL is the primary indicator of the malicious payload's origin. No VBA macros were found to be executable, suggesting the exploit is directly leveraged by the OLE object.

Heuristics 2

OLE2Link / URL Moniker → remote loader — CVE-2017-0199 critical CVE likely CVE_2017_0199

Document contains an embedded OLE link object whose URL Moniker points to a remote URL. When the host file is opened, Office follows the link, downloads the URL, and processes the response based on its Content-Type (HTA -> mshta.exe, RTF → Word, etc.) — the documented CVE-2017-0199 primitive. The URL extension is not a reliable filter; servers can return different payloads to Office's user agent.
VBA project contains no executable statements low OLE_VBA_MACROS

Document contains a VBA project, but extracted modules only contain attributes/options/comments and no executable statements.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `7f506327609c082af1cd37dde23bc2c71a000f7d1ef530b6abb66775040a7673`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	1206 bytes

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