Office (OLE) / .XLS malware analysis — malicious · e37f75d077ba4c1d

MALICIOUS

Office (OLE) / .XLS

1.16 MB Created: 2006-09-16 00:00:00 Authoring application: Microsoft Excel

MD5: 27c11016cf0341e622eaad704bca9c7a SHA-1: 346a65d5d9ad8293e50209c220a5171ae29b1af6 SHA-256: e37f75d077ba4c1d5e4f9bc5c37433890842b7811fa4dbe999bde09757e05708

68 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.005 Visual Basic

The critical heuristic firing indicates exploitation of CVE-2017-0199 via an OLE2Link object, which is designed to download and execute a remote payload. The embedded URL, 'https://bulktreatmentneedofrbetterfuturetodevelopsomegreatthingswithouthavingsuchagood.doc@smol.re/fC6PPC', is the direct source of this payload. Although VBA macros were present, they contained no executable statements, suggesting the exploit is delivered through the OLE object itself rather than macro execution.

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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