Malicious RTF — malware analysis report

Static analysis result for SHA-256 b602057dee0dcf95…

MALICIOUS

RTF

3.75 MB Created: 2017-06-17 14:42:00 First seen: 2018-11-20
MD5: 867e92c7cd00c1ebab54c484319ddf86 SHA-1: 7a17ca2134b6c6a319c115c966a46ee14d8e9118 SHA-256: b602057dee0dcf956481b8217eed198f1ecdc62c348a1f091ef13785bb3458cb
142 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The RTF file contains embedded OLE objects, specifically a package object, which is a strong indicator of malicious intent. ClamAV detected this file as Win.Phishing.Suspicious-6355521-4, suggesting a phishing or malware delivery purpose. The embedded object is likely designed to execute a secondary payload upon interaction.

Heuristics 5

  • ClamAV: Win.Phishing.Suspicious-6355521-4 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Phishing.Suspicious-6355521-4
  • Package object class high RTF_OBJCLASS_PACKAGE
    OLE Package object — can wrap arbitrary files
  • OLE object data medium RTF_OBJDATA
    RTF contains 2 \objdata section(s) — embedded OLE objects
  • Embedded OLE object medium RTF_OBJEMB
    RTF contains \objemb — embedded OLE object
  • 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.microsoft.com/office/word/2003/wordm In RTF body

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
objdata_00_off003a772e.bin rtf-objdata-decoded RTF \objdata at offset 0x3A772E 12388 bytes
SHA-256: 3590b893e90ad0c5f16a1f097eef06d096167e753e8aead78311d278d7cbf9ae

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