Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 41ddb996eabc09a8…

MALICIOUS

Office (OLE)

50.5 KB Created: 2005-03-02 00:41:00 Authoring application: Microsoft Word 10.1
MD5: f312940e3e9e568af81936cb004dd49e SHA-1: 7943281d21f2da2be493880277fc0b1e36e1cb69 SHA-256: 41ddb996eabc09a80a9390b95c04043f1c345480159c91199ebce4ccc6bdee66
180 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic

The file contains VBA macros, specifically a Document_Open macro, which is a common technique for executing malicious code upon opening a document. The document body presents itself as a press release, with embedded URLs that likely lead to further malicious content or downloads. The ClamAV detection of 'Doc.Trojan.Marker-2' further supports the malicious nature of the file.

Heuristics 5

  • ClamAV: Doc.Trojan.Marker-2 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Trojan.Marker-2
  • ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV
    ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
  • Document_Open macro high OLE_VBA_DOCOPEN
    Document_Open macro
  • VBA macros detected medium OLE_VBA_MACROS
    Document contains VBA macro code
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://www.rbmarketing.com/FCI/st75_wireless.html
    • http://www.rbmarketing.com/FCI/press/FCI-st75_wireless_NR.doc
    • http://www.fluidcomponents.com/ProdST75.htm
    • http://www.fluidcomponents.com
    • http://www.fluidcomponents.com/contact_us.htm
    • http://www.rbmarketing.com/FCI/st75_wireless.htmlNR
    • http://www.rbmarketing.com/FCI/press/FCI-st75_wireless_NR.docBrochure
    • http://www.fluidcomponents.com/ProdST75.htmNew

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
bd10700919a9a1fcf36965134b11c5196b79f67cd9e3a9e459d9dc3c513eebe2		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 4229 bytes
Detection
ClamAV: Doc.Trojan.Marker-2
Obfuscation or payload: unlikely

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