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

Static analysis result for SHA-256 92860466db5649ff…

MALICIOUS

Office (OLE) / .XLSX

727.0 KB Created: 2006-09-16 00:00:00 Authoring application: Microsoft Excel
MD5: e1015389c4de2eb1de367c7341ad9dff SHA-1: 31ee18544e27d05192b4bd02e33668e2f59c04a7 SHA-256: 92860466db5649ffb51765fc93236ca3d4a5baea2e3d70860bf7336c85408b92
68 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1059.001 PowerShell

The critical heuristic firing indicates exploitation of CVE-2017-0199 via an OLE2Link object pointing to a remote URL. This URL is likely used to download and execute a second-stage payload. The embedded URL 'hTtP://010217725075/httpscodecanyon.netitemmirotalk-p2p-webrtc-realtime-video-conferences38376661.php' is the primary indicator for this attack. Although VBA macros were present, they contained no executable statements, suggesting the exploit relies on the OLE vulnerability itself.

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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
7f506327609c082af1cd37dde23bc2c71a000f7d1ef530b6abb66775040a7673		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 1206 bytes
font_00_sfnt_off00004b8e.bin
b43d5f1376b84d75874b2c616bb85d66bdecab238a1380510d42e3b3395fe3fd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4B8E 15264 bytes

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