Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 c0dfe3aa1a08891c…

MALICIOUS

Office (OLE)

41.5 KB Created: 2009-09-15 16:42:00 Authoring application: Microsoft Word 11.0
MD5: 7dae26192733add2c39d5ba7d8f788ef SHA-1: 1336474324a767d9b9fe5419c04a9ab47a2e802f SHA-256: c0dfe3aa1a08891c8911350cd36afe41105681e656d9cbb739249489929f92c5
180 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The file contains a malicious VBA macro, specifically a Document_Open macro, which is a common technique for initial execution. The document body is crafted to appear as an academic assignment about Edgar Allan Poe's "The Raven", likely to trick the user into enabling macros. The presence of ClamAV detections further confirms its malicious nature. No specific IOCs like URLs or hashes were extracted from the macro itself.

Heuristics 4

  • ClamAV: Doc.Trojan.Marker-40 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Trojan.Marker-40
  • 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
1af8fe9d6d207df24d7e3c46cd908e9277e9f236f57900f892fcf69496f39cb9		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 4237 bytes
Detection
ClamAV: Doc.Trojan.Marker-2
Obfuscation or payload: unlikely

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