Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 d295a922e3c13d0d…

MALICIOUS

Office (OLE)

118.5 KB Created: 2001-01-15 10:40:00 Authoring application: Microsoft Word 8.0
MD5: 5d2b6aaf6423bb0c16b46cdeb3ae9abd SHA-1: 4b74b5e515aa39853ed55541d0a514e58cf17b7d SHA-256: d295a922e3c13d0d8a0275142803624d42f9a30f9b03f0e65caf0230a61b004e
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.Eight941-1. Static analysis detected VBA macros, specifically a Document_Open macro, which is a common technique for executing malicious code upon opening the document. The presence of these macros and the ClamAV detection strongly suggest the document is intended to deliver a payload.

Heuristics 4

  • ClamAV: Doc.Trojan.Eight941-1 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Trojan.Eight941-1
  • 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

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
be786c3cbe42643907cf93f1f45349687ccd5a4a7c40a99ab00fa2ad6b964f93		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 2291 bytes
Detection
ClamAV: Doc.Trojan.Eight941-1
Obfuscation or payload: unlikely

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