Office (OLE) / .XLS malware analysis — malicious · a69e168511b1c361

MALICIOUS

Office (OLE) / .XLS

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

MD5: 763aec4c8a766d36075a600f77edff4c SHA-1: c9a33070bd273e0903eb78f57922b7e93403e597 SHA-256: a69e168511b1c361335f0dddc41046cf8604f9106df0e237f52f8d6ff63e1c93

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 attempts to load a remote resource from the provided URL. This suggests the file acts as a downloader for a secondary payload. No VBA macros were found to be executable, but the presence of the exploit and the URL strongly indicate malicious intent.

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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