Malicious Office (OLE) / .DOC — malware analysis report

Static analysis result for SHA-256 d3b5c35a6229eb8d…

MALICIOUS

Office (OLE) / .DOC

28.5 KB Created: 2008-04-16 18:26:00 Authoring application: Microsoft Word 10.0
MD5: 1538bf430c11d3028f32e6d409e90750 SHA-1: 849227d75c70f1149c08a5f9224216b88bb29ad0 SHA-256: d3b5c35a6229eb8dc9626b682c902c7f5d2971a204563e5963fd1f2ff0460f6d
180 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic for Applications

The file is a Microsoft Word document containing VBA macros, specifically a Document_Open macro, which is a common technique for initiating malicious activity upon opening. ClamAV identified the file as Doc.Trojan.Thus-10. No document body content was provided to infer a specific lure, but the presence of macros strongly suggests an attempt to execute malicious code. No scripts were extracted for further analysis.

Heuristics 4

  • 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

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
44e20508126dff0d72dedc0fd97562941c24454e27e390ca10c3e28a9b00b90e
vba-macro oletools.olevba.extract_macros (decoded VBA source) 2245 bytes
Detection
ClamAV: Doc.Trojan.Thus-10
Obfuscation or payload: unlikely