Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 f55b44ba7dd3ca1e…

MALICIOUS

Office (OLE)

37.5 KB Created: 2009-09-14 14:51:00 Authoring application: Microsoft Word 11.0
MD5: 2a372caf8a060b0d4d81d0ca2c2d30f2 SHA-1: 2153307fdf4ff05b5f548d999e604dc7a8f70bd2 SHA-256: f55b44ba7dd3ca1e5104b993d42ac635962dcde4c27c5d0ee738b6253e7e12ce
180 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic

The file is a malicious Office document containing VBA macros, specifically a Document_Open macro. The document body presents questions about Edgar Allan Poe's 'The Raven', a common lure to engage the user. The presence of the Document_Open macro indicates an attempt to automatically execute code upon opening the document, likely to download and run a secondary payload.

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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