Doc.Dropper.Agent-6427474-0 — Office (OOXML) malware analysis

Static analysis result for SHA-256 eccff31246add65f…

MALICIOUS

Office (OOXML)

1.41 MB Created: 2019-02-12 07:19:00 UTC Authoring application: Microsoft Office Word 12.0000 First seen: 2020-05-25
MD5: ab994751ae1e0f870d14037d9a735e79 SHA-1: 2cd3053dbd7e55a4bf7aab6bf28730e6d720d927 SHA-256: eccff31246add65fffcede651c2475e32c9e332684d5c7d88e6aa890c9a9a344
102 Risk Score

Malware Insights

Doc.Dropper.Agent-6427474-0 · confidence 95%

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV with the signature Doc.Dropper.Agent-6427474-0. A critical heuristic indicates the presence of altChunk importing unrecognised content, a common technique for embedding and executing malicious payloads. The large size of the imported chunk further suggests it contains executable code or a secondary stage.

Heuristics 3

  • ClamAV: Doc.Dropper.Agent-6427474-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Dropper.Agent-6427474-0
  • altChunk imports unrecognised content high OOXML_ALTCHUNK_OPAQUE
    altChunk relationship resolves to a packaged part whose content does not match a known chunk format. Treat with suspicion — altChunk is rarely used outside RTF/HTML smuggling.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://schemas.openxmlformats.org/drawingml/2006/main In document text (OOXML body / shared strings)
    • http://schemas.openxmlformats.org/drawingml/2006/pictureIn document text (OOXML body / shared strings)
    • http://schemas.openxmlformats.org/markup-compatibility/2006In document text (OOXML body / shared strings)
    • http://schemas.openxmlformats.org/officeDocument/2006/relationshipsIn document text (OOXML body / shared strings)
    • http://schemas.openxmlformats.org/officeDocument/2006/mathIn document text (OOXML body / shared strings)
    • http://schemas.openxmlformats.org/drawingml/2006/wordprocessingDrawingIn document text (OOXML body / shared strings)
    • http://schemas.openxmlformats.org/wordprocessingml/2006/mainIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/word/2006/wordmlIn document text (OOXML body / shared strings)

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