Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 e6830ae98fc1814d…

MALICIOUS

Office (OLE)

670.0 KB Created: 2008-02-19 13:09:00 Authoring application: Microsoft Word 11.3.8
MD5: 2fdee03698da8fc3d45b03b5a170f73e SHA-1: 7805b2609e3a56120724c19b41cd0041379ef0de SHA-256: e6830ae98fc1814d26cbfbd11665a91c2cc88d0c5c12fc1b8cd65edf3b56f4f3
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-10'. 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 this macro suggests the document's primary purpose is to initiate a malicious process, likely a downloader for further stages.

Heuristics 5

  • ClamAV: Doc.Trojan.Thus-10 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Trojan.Thus-10
  • 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.apple.com/DTDs/PropertyList-1.0.dtd
    • http://ns.adobe.com/xap/1.0/
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://ns.adobe.com/iX/1.0/
    • http://ns.adobe.com/exif/1.0/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/photoshop/1.0/
    • http://ns.adobe.com/tiff/1.0/
    • http://ns.adobe.com/xap/1.0/sType/ResourceRef#
    • http://ns.adobe.com/xap/1.0/mm/
    • http://purl.org/dc/elements/1.1/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
7b51bb143af02b5cac26a100c84f2be0cd670120388891c04267073c6fe90595		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 2342 bytes
Detection
ClamAV: Doc.Trojan.Thus-10
Obfuscation or payload: unlikely

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