Office (OLE) / .XLS malware analysis — malicious · 752387dc376a39db

MALICIOUS

Office (OLE) / .XLS

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

MD5: 524559bfe8623365f3e1569b5b58be85 SHA-1: 2638ebe72c1df88dd7d9ba66654c55160d41287c SHA-256: 752387dc376a39db5dcdf2b0030bef0e516b1331b059fff96e4f87f48126a1c8

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 from a specified URL. The extracted URL is the primary indicator of compromise. No VBA macros were found to be executable, but the presence of the OLE2Link object is sufficient to infer the attack pattern.

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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