Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 f80f80cbd6e5737c…

MALICIOUS

RTF / .DOC

102.5 KB
MD5: b7ba40f7493d48b8de33c1e9a8595d78 SHA-1: 18aa4363aa1a3c0605f3641d5a671ef1938691bc SHA-256: f80f80cbd6e5737c1b7cb4896926456c1fed2ac4e65416d8d8089244d475a191
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The RTF document contains OLE object data and utilizes an \objupdate directive, indicating an attempt to exploit vulnerabilities or execute embedded objects. While no specific script or document body content was available for detailed analysis, these heuristics strongly suggest a malicious intent, likely for payload delivery. The confidence is moderate due to the lack of more specific indicators.

Heuristics 2

  • \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

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
objdata_00_off00001456.bin
9d0713e408469feb01335ed1082bf6826787c03ecbf39edc4ed3967f959d1fff
rtf-objdata-decoded RTF \objdata at offset 0x1456 2101 bytes