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

Static analysis result for SHA-256 e118613a743443f9…

MALICIOUS

Office (OLE) / .XLS

1.47 MB Created: 2006-09-16 00:00:00 Authoring application: Microsoft Excel
MD5: f4d30974ceff5499ac7ba758b210a341 SHA-1: 54a9d330856326e55895920b9a747bc25e2e6057 SHA-256: e118613a743443f9e7cf8688e35743e6de91c6a2ff1629b94072a077ba9bc0a3
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 T1059.004 Unix Shell

The critical heuristic firing indicates exploitation of CVE-2017-0199 via an OLE2Link object, which attempts to download a remote payload from the specified URL. Although the VBA project itself contains no executable statements, the exploit mechanism is clearly identified. The primary IOC is the URL used for payload delivery.

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 https://verybestfeaturesaregivingwithgoodwaybesttingsarecomingbacktoyou.doc@grsh.link/GjaN4i
  • 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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