Malicious RTF — malware analysis report

Static analysis result for SHA-256 e7189e98899201c0…

MALICIOUS

RTF

4.2 KB First seen: 2023-01-11
MD5: 83ace32a4f70b2bb580bfaeeb7524188 SHA-1: 3e64ec85c6c20b948419813c644207fd9bed9d0b SHA-256: e7189e98899201c0d11c56d1aaf6f0ce366bd1e2aed099031c6ea55d36ce8bec
80 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1204.002 Malicious Link: Malicious File T1566 Phishing T1566.001 Phishing: Spearphishing Attachment T1566.002 Phishing: Spearphishing via Service

The RTF document contains an OLE object and uses an \objupdate directive, indicating an attempt to activate embedded content. The document body provides a lure, instructing the user to 'enable editing' to view the document, which is a common tactic for macro-based malware droppers. The presence of these elements suggests the file is designed to trick the user into executing malicious code.

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
  • Macro/content-enable lure medium SE_ENABLE_LURE
    Document instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
objdata_00_off000000da.bin
b5ec295897516c4a0e93ed210b072aee8961b21eb564aa49cabcd282b92ee592		 rtf-objdata-decoded RTF \objdata at offset 0xDA 2013 bytes

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