Office (OLE) / .XLS malware analysis — malicious · 2981f8164ef7f394

MALICIOUS

Office (OLE) / .XLS

420.0 KB Created: 2006-09-16 00:00:00 Authoring application: Microsoft Excel First seen: 2023-05-30

MD5: 5b1ab558f23cdae231e94504ad1f152f SHA-1: bea64804a59188b0d3f5eeb1b89dac83a3f723b3 SHA-256: 2981f8164ef7f394e4af25880d66034cecd2b20338e01f1268352fbf78d1d767

70 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.005 Visual Basic

The sample is an Excel file that exploits CVE-2017-0199 via an OLE2Link object to download a remote document. The embedded URL points to a malicious document that likely serves as a loader for further stages. No VBA macros were 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://43.230.202.16/ti/tititititiitititititi%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23tititiitiit.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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