Malicious Office (OLE) / .XLS — malware analysis report

Static analysis result for SHA-256 ee22d7b976f86c22…

MALICIOUS

Office (OLE) / .XLS

1.06 MB Created: 2006-09-16 00:00:00 Authoring application: Microsoft Excel
MD5: 2b206421885ccb5907d0c9b09777fe1b SHA-1: 731a50a87a1ffee4f5472b8f2fc58f6992e9c3c2 SHA-256: ee22d7b976f86c2246fc55f8b361302b410f10fdbf8d9bb77523445b3d9f2268
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, which is designed to load remote content. The extracted URL, https://go.halpindev.com/3UGkT4, is highly suspicious and likely serves as the initial download location for a secondary payload. Although the VBA project contains no executable statements, the presence of the OLE2Link object and the associated URL strongly suggest a malicious intent to download and execute arbitrary code.

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.

FilenameKindSourceSize
macros.bas
7f506327609c082af1cd37dde23bc2c71a000f7d1ef530b6abb66775040a7673		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 1206 bytes

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