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

Static analysis result for SHA-256 2af536c9d8567899…

MALICIOUS

Office (OLE) / .XLS

1.14 MB Created: 2006-09-16 00:00:00 Authoring application: Microsoft Excel
MD5: 2555208f4f93baa03e026dec7d38b3f1 SHA-1: 907ed7589bf52f0f3fe961523df398958e841cda SHA-256: 2af536c9d85678994742e687d45a2edd2e0f7fa3a2fbdacd5ef2eb54f997c53f
68 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution T1059.005 PowerShell T1071.001 Web Protocols

The critical heuristic firing indicates exploitation of CVE-2017-0199 via an OLE2Link object, which attempts to load a remote resource. The extracted URL, https://url.terryspace.io/X384GF, is highly suspicious and likely serves as the initial download point for a secondary payload. Although no VBA macros were found to be executable, the presence of the OLE2Link exploit is sufficient evidence of malicious intent.

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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