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

Static analysis result for SHA-256 463c30da37ebe53d…

MALICIOUS

Office (OLE) / .XLS

1.04 MB Created: 2006-09-16 00:00:00 Authoring application: Microsoft Excel
MD5: e021cabd95eb019f9957549a44f32e0e SHA-1: 780d3603a051d5588c43f3d9d45ee51e45612b9e SHA-256: 463c30da37ebe53d7c29695911572d0b81ce6253b48a4c212863959f05a09371
68 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution T1059.005 PowerShell T1059.001 PowerShell T1059.003 Windows Command Shell

The critical heuristic firing indicates exploitation of CVE-2017-0199 via an OLE2Link object. This vulnerability is used to download and execute a remote payload from the URL 'https://s.deemos.com/iXFJYFKW?&jennifer=adaptable&shot=faithful&inlay'. Although VBA macros were present, they contained no executable statements, suggesting the exploit relies solely on the OLE vulnerability.

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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