Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 54891bddfe5256d4…

MALICIOUS

Office (OLE)

168.5 KB Created: 2010-09-02 01:07:00 Authoring application: Microsoft Word 11.5.0
MD5: 58d3b58401bbcd6e03e40c011597d85b SHA-1: 9dc23efa88957f8f1eb28e5dd3837c4280613ee5 SHA-256: 54891bddfe5256d4fbfdf026f2399d6784e1db1da98d794fedab46ea1809f3fa
180 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic for Applications

The file is identified as malicious by ClamAV with the signature Doc.Trojan.Thus-8. Static analysis detected VBA macros, specifically a Document_Open macro, which is a common technique for executing malicious code upon opening the document. The document body is a seemingly innocuous school announcement, suggesting a lure to trick users into opening the malicious document.

Heuristics 4

  • ClamAV: Doc.Trojan.Thus-8 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Trojan.Thus-8
  • 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
43dc568da073e7f09a12bdf667c72215d83de8ead332dc14351875680d793483		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 2355 bytes
Detection
ClamAV: Doc.Trojan.Thus-8
Obfuscation or payload: unlikely

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