Office (OLE) / .XLS malware analysis — malicious · 501ba3459b828222

MALICIOUS

Office (OLE) / .XLS

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

MD5: 86a21d010b02ec3ed8a60dad14d3cb26 SHA-1: 1c23d3fcd768c6223a568a20b607c6d31e3c4474 SHA-256: 501ba3459b828222fc2a5db971fcc767c0693f16a732ba94bd4582d9758cbaaf

68 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.005 Visual Basic

The file is an Excel spreadsheet that exploits CVE-2017-0199 via an OLE2Link object. This vulnerability allows it to act as a remote loader, downloading and executing a secondary payload from the URL 'https://link.orai.io/LEkerK?&desk=strange&bucket=rough&reduction=harsh&suitcase'. Although VBA macros are present, they do not contain executable statements, indicating the exploit relies on the OLE vulnerability itself.

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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