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

Static analysis result for SHA-256 3f9ccedc4f939e94…

MALICIOUS

Office (OLE) / .XLS

1.46 MB Created: 2006-09-16 00:00:00 Authoring application: Microsoft Excel
MD5: 7dd01ff114efc0e97dbb7a85e81d862a SHA-1: f0603bb7b0e9d9b7a45381d61afb8a75d4191685 SHA-256: 3f9ccedc4f939e94a3b792083dea347a8415f96b60fc8a0267ca8e3a3404876f
68 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution T1059.005 PowerShell T1105 Ingress Tool Transfer

The critical heuristic firing indicates exploitation of CVE-2017-0199, which is used to load remote content via a URL moniker. The embedded URL 'http://00015067652021' is highly suspicious and likely serves as the initial download source for a secondary payload. The presence of VBA macros, though not directly executable, suggests a macro-based delivery mechanism.

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.
    URL http://00015067652021
  • 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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