Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 a02c66ee47ebbc4e…

MALICIOUS

Office (OLE)

56.5 KB Created: 2010-01-29 09:01:00 Authoring application: Microsoft Word 11.3.5
MD5: 30a89913de69c9dbac637a0089cc2c36 SHA-1: 828767d57f64f98f983f4bbf348c7c642d6ea278 SHA-256: a02c66ee47ebbc4e24fa951c25eab733b791edbc79f4004e6563dc3110aa9a98
180 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1204.002 Malicious File

The file contains VBA macros, specifically a Document_Open macro, which is a strong indicator of malicious intent. The document body is a press release, likely intended to trick the user into enabling macros. The presence of embedded URLs suggests a potential download or redirection mechanism. The ClamAV detection as 'Doc.Trojan.Thus-8' further confirms its malicious nature. The macros likely download and execute a second-stage payload.

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.helsana.ch/test-de-la-vue
    • http://www.helsana.ch

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
588a321bc75a5ae4e5725821dec576a3355fde580c6308b43a6d085be431a441		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 2375 bytes
Detection
ClamAV: Doc.Trojan.Thus-8
Obfuscation or payload: unlikely

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