Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 caf7034d6fc87a92…

MALICIOUS

RTF / .DOC

78.7 KB
MD5: 159a9e3573c5ccd29094bbae19cf38f4 SHA-1: 0714d762c2b856216a73936efb0a451dc26c0fe0 SHA-256: caf7034d6fc87a926a044d5d32ee7f4b151bcc4ebb2817ede35ef3b20e3cac13
80 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious File

The RTF document contains embedded OLE object data, and a heuristic indicates that \objupdate forces OLE activation. This suggests the document is designed to exploit OLE object handling to execute embedded malicious content. No specific family could be identified, and the document body was unreadable.

Heuristics 3

  • \objupdate forces OLE activation high RTF_OBJUPDATE
    RTF contains \objupdate — forces automatic OLE object instantiation when the document is opened, bypassing user interaction. Almost exclusively seen in Equation Editor exploit documents.
  • OLE object data medium RTF_OBJDATA
    RTF contains 1 \objdata section(s) — embedded OLE objects
  • Embedded OLE object medium RTF_OBJEMB
    RTF contains \objemb — embedded OLE object

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
objdata_00_off00001321.bin
4c1136df43143a1d1a1f04945bfd8bee792ca95349389416051b105400d473f1
rtf-objdata-decoded RTF \objdata at offset 0x1321 3659 bytes