Office (OLE) / .XLS malware analysis — malicious · e2b2fac8ca88a0f8

MALICIOUS

Office (OLE) / .XLS

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

MD5: 417d034acf26cca6ea838f3fcc67f1a5 SHA-1: 1c57216a632d0d1246b075a6f01e02bf1f8fcea7 SHA-256: e2b2fac8ca88a0f8b0723007cf85f286a4c8bc58f2906336040562178bb4aec2

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. This vulnerability is used to download and execute a remote payload from the specified URL. The VBA macro, while not containing executable statements itself, is part of the overall malicious structure. The extracted URL is the primary indicator of compromise.

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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