Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 6c485e2c710a3381…

MALICIOUS

Office (OLE)

42.5 KB Created: 2007-10-03 01:05:00 Authoring application: Microsoft Word 11.3.5
MD5: ebe640e5dcc9d0effba4ee9ccadc74c0 SHA-1: 21b4200392661f289a4dc62db48afc4c1e1eb7b1 SHA-256: 6c485e2c710a3381c172f082c363ba3e290eafd5ba6f44fb2f2ef3d14e60f035
180 Risk Score

Malware Insights

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

The file is a Microsoft Word document containing a Document_Open VBA macro, which is a common technique for executing malicious code upon opening. The macro attempts to disable virus protection and copy itself to other documents, indicating an effort to persist and spread. ClamAV detection as 'Doc.Trojan.Thus-5' further confirms its malicious nature.

Heuristics 4

  • ClamAV: Doc.Trojan.Thus-5 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Trojan.Thus-5
  • 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
5f3a97e4fb281c182a72f372fc3fa336cfd5e05720d991c712b1da70b22d3ac6		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 2343 bytes
Detection
ClamAV: Doc.Trojan.Thus-5
Obfuscation or payload: unlikely

Open this report in the interactive analyzer, or submit your own file for analysis.