Office (OLE) / .XLS malware analysis — malicious · 372ea29c803f1791

MALICIOUS

Office (OLE) / .XLS

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

MD5: c922617ca6f18456093f977a688753bb SHA-1: 68cdc50c4c9965de8840732f71f41a1d871dcd1b SHA-256: 372ea29c803f1791d5f1b2cace028db2381beab4ccf5cf0553969df8139bd5d1

68 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: User Execution T1059.005 PowerShell

The sample is an Excel file that exploits CVE-2017-0199 via an OLE2Link object. This vulnerability allows it to download and execute a remote payload from the URL found in the heuristic firing. No VBA macros were extracted, but the exploit itself is sufficient to indicate a malicious download attempt.

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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