Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 f9daa274f3b1b57a…

MALICIOUS

Office (OLE)

48.0 KB Created: 2007-09-01 18:13:00 Authoring application: Microsoft Word 11.3.5
MD5: 85d1ef012ad7394da38aa49050033e60 SHA-1: d8723ed8d61bade299e718384698d3b37bdfb051 SHA-256: f9daa274f3b1b57a88d604d71fe95729d15fed439da299e861dde48f4129e378
180 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The sample is a Microsoft Word document containing VBA macros, specifically a Document_Open macro, which is a common technique for executing malicious code upon opening. ClamAV identified the sample as 'Doc.Trojan.Thus-5'. The document body presents a research proposal template, likely a lure to encourage macro execution. No specific malware family could be confidently identified.

Heuristics 5

  • ClamAV: Doc.Trojan.Thus-5 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Trojan.Thus-5
  • 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.apa.org/ethics/code2002.html

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
5f3a97e4fb281c182a72f372fc3fa336cfd5e05720d991c712b1da70b22d3ac6		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 2343 bytes
Detection
ClamAV: Doc.Trojan.Thus-5
Obfuscation or payload: unlikely

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