Office (OLE) / .XLS malware analysis — malicious · 72ea1111e8a308b6

MALICIOUS

Office (OLE) / .XLS

487.5 KB Created: 2006-09-16 00:00:00 Authoring application: Microsoft Excel First seen: 2023-03-07

MD5: 7e324ad221a928e66e725c4638873b47 SHA-1: 8efee6f76f9a42d701b76d24d82a95c0b3cc5abf SHA-256: 72ea1111e8a308b6bb63dabd041b1d4eb93ccea0668b8cc8feb992999b62feac

70 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.005 Visual Basic

The sample is an OLE Excel file that exploits CVE-2017-0199 via a URL moniker to download a remote payload. The embedded URL points to a suspicious domain and appears to be the primary mechanism for delivering the secondary stage. No VBA code was found to be executable, but the exploit itself is sufficient for initial compromise.

Heuristics 3

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.
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.

URL http://yyyyyYYYYUUSUUUUUUU3243242UUU23U423U4UU2UWWWWW8W8W7W8WWWWWWW878W8W8WW78WWWW87W87W88WEEW787888W88W8W@198.46.174.164/11.........................11.......doc

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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