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

Static analysis result for SHA-256 2fe0560116ea9256…

MALICIOUS

Office (OLE) / .XLSX

1.69 MB Created: 2006-09-16 00:00:00 Authoring application: Microsoft Excel
MD5: dc73f405dc5e44ba588edd7a6526c9f5 SHA-1: 60a522c4c63014bb3472dbf960abd2cb50c33aa7 SHA-256: 2fe0560116ea92566ebdbec2c9cb4ede6953aa6f3d58fab84ae064394ce38c28
76 Risk Score

Malware Insights

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

The critical heuristic firing indicates the sample exploits CVE-2017-0199 using a URL moniker to fetch a remote loader. The embedded URL, 'https://salsita.link/eDR1ta?&villa=high&calm', is the primary indicator for the initial payload delivery. The 'SE_INVOICE_LURE' heuristic suggests the document's content is designed to trick the user into interacting with the malicious link, likely under the guise of an invoice or payment request.

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.
    URL https://salsita.link/eDR1ta?&villa=high&calm
  • 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.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators

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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