Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 605b39f50436e435…

MALICIOUS

Office (OLE)

58.5 KB Created: 2003-05-02 18:41:00 Authoring application: Microsoft Word 10.1
MD5: 0f12802c5bdbf03683690ce10c319b64 SHA-1: c139517ebba1448e19f5f2dadac38a1664fe015c SHA-256: 605b39f50436e435e14555e2fa40906839b7f4900461eac22ee6a220e0ec764f
180 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1547.001 Registry Run Keys / Startup Folder

The sample is a malicious Office document containing a VBA macro that triggers on Document_Open. This macro attempts to modify the Normal template, a common technique for establishing persistence or downloading additional malicious content. The ClamAV detection 'Doc.Trojan.Panther-2' further supports its malicious nature.

Heuristics 4

  • ClamAV: Doc.Trojan.Panther-2 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Trojan.Panther-2
  • 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
cbdbfe33f16fe310900498bb63f3d69bc2ced3bc69d54e964a03d7979043e8d3		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 1590 bytes
Detection
ClamAV: Doc.Trojan.Panther-2
Obfuscation or payload: unlikely

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