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

Static analysis result for SHA-256 1a58bdba93b4e32c…

MALICIOUS

Office (OLE) / .MBV

32.5 KB Created: 2007-02-07 10:38:00 Authoring application: Microsoft Word 8.0
MD5: 3e8357de1e9a4ba2a3aee8e04b28633d SHA-1: 564859520e080e6958c3a7f6471dc2fbc5a481dd SHA-256: 1a58bdba93b4e32cb9f377f422a58e62cf4e739b22bcf70471e99e104bfff8fe
140 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic

The file is identified as malicious by ClamAV with the signature Doc.Trojan.Ethan-20, and an extracted artifact also triggered ClamAV with Doc.Trojan.Ethan-1. The presence of VBA macros indicates a likely execution vector. The document body, written in Russian, presents a request for quotations for repair work, suggesting a social engineering lure to encourage the user to enable macros.

Heuristics 3

  • ClamAV: Doc.Trojan.Ethan-20 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Trojan.Ethan-20
  • 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.
  • 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
2b139289ec94591025f81e18f13868fe0b3c293437a1dc7eda3d2520afea6843		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 6276 bytes
Detection
ClamAV: Doc.Trojan.Ethan-1
Obfuscation or payload: unlikely

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