Win.Trojan.Ultimo-1 — Office (OLE) malware analysis

Static analysis result for SHA-256 cdf6cd96f67ea978…

MALICIOUS

Office (OLE)

19.5 KB Created: 2000-03-21 07:55:00 Authoring application: Microsoft Word 6.0 First seen: 2012-06-14
MD5: 603261e9688f3e7c0300b95db9875cb1 SHA-1: 1d235c562dcf0dd92ba9c6f9602fd9e10daec920 SHA-256: cdf6cd96f67ea9782c767e3a5dbeb3847c077ce9898a3cbf57b549fed6c7e538
80 Risk Score

Malware Insights

Win.Trojan.Ultimo-1 · confidence 90%

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

The critical ClamAV detection identifies the file as Win.Trojan.Ultimo-1. Legacy WordBasic macros were detected, specifically a FileSaveAs marker within an AutoExec macro, indicating an attempt to save the document as a new file. This suggests the document is designed to spread or execute further malicious actions, likely delivered as a spearphishing attachment.

Heuristics 2

  • ClamAV: Win.Trojan.Ultimo-1 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Ultimo-1
  • Legacy WordBasic auto-exec macro marker medium OLE_LEGACY_WORDBASIC_AUTOEXEC
    OLE Word document contains a legacy WordBasic auto-execution marker such as AutoOpen, but no modern VBA project was recovered and no stronger macro-virus family marker was present. This is analyst-facing evidence for old Word macro execution surface, not a downloader or parser-CVE attribution by itself.

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