Malicious RTF — malware analysis report

Static analysis result for SHA-256 d718eb322dc9348c…

MALICIOUS

RTF

820.6 KB First seen: 2024-08-21
MD5: 77d04e68c46c843c399d83b858b9b46a SHA-1: 8f4f41f26cd7bd6b60045cc878c83d132f79193a SHA-256: d718eb322dc9348cb1813a920ca739a5c4bd6b44ac32c0c085bd92148bf94161
80 Risk Score

Malware Insights

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

The RTF file contains OLE object data and an \objupdate directive, indicating it's designed to activate embedded objects. The document body provides a lure, instructing the user to 'Enable editing' and implying the need to enable macros, a common tactic for malware droppers to bypass security measures and execute malicious payloads.

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_off00079860.bin
02b0353b9d3a014002854a012c4c62d8a00b406b4be0119ffe27cc2061ce37e9		 rtf-objdata-decoded RTF \objdata at offset 0x79860 2046 bytes

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