Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 bdd05011b71b3416…

MALICIOUS

Office (OLE)

45.5 KB Created: 2006-05-01 12:06:00 Authoring application: Microsoft Word 10.1
MD5: 481ec5be3c42ce38ebf295c68094c8ad SHA-1: 7396f638f3334d3087257645f5101d8e9355ef0a SHA-256: bdd05011b71b3416aa4562762c533ffafc6650f65221fe8fe15f0c347be551f6
180 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic

The file is identified as malicious by ClamAV with the signature Doc.Trojan.Thus-8. Static analysis detected a VBA macro within the document, specifically a Document_Open macro, which is a common technique for executing malicious code upon opening the file. The macro likely aims to download and execute a second-stage payload, potentially leveraging the embedded URL http://www.cre8ng.com. The presence of the Document_Open macro and the ClamAV detection strongly indicate a malicious intent.

Heuristics 5

  • ClamAV: Doc.Trojan.Thus-8 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Trojan.Thus-8
  • 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.cre8ng.com

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
a5c6a312d435fbe0dbbdb44a7eb4b8ca28801dadc0b47266138cf2d5f32abe40		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 2364 bytes
Detection
ClamAV: Doc.Trojan.Thus-8
Obfuscation or payload: unlikely

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