Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 8bc7813d085dcb4f…

MALICIOUS

Office (OLE)

35.0 KB Created: 2010-02-05 15:29:00 Authoring application: Microsoft Word 8.0
MD5: 47650622dbd9b79f5c356fd73c7f9f17 SHA-1: b260d2ae18a81994541f01c2f3c633b0f386f981 SHA-256: 8bc7813d085dcb4fb4e8c9f54ec3d5a07371051297004a61574127d5d1d7c1e4
140 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic

The file is identified as malicious by ClamAV with the signature Doc.Trojan.Ethan-20 and Doc.Trojan.Ethan-1. Static analysis detected VBA macros within the document. The document body appears to be a procurement protocol for medical supplies, likely a lure to encourage the user to enable macros. No specific IOCs were extracted beyond the detection signatures.

Heuristics 3

  • ClamAV: Doc.Trojan.Ethan-20 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Trojan.Ethan-20
  • 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.
  • VBA macros detected medium OLE_VBA_MACROS
    Document contains VBA macro code

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
6cb15f8358862037877f9d78a78b1805b946b247386cb91a032e5daad78f61d7		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 6272 bytes
Detection
ClamAV: Doc.Trojan.Ethan-1
Obfuscation or payload: unlikely

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