Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 9dcd3a73b8243151…

MALICIOUS

RTF / .DOC

18.3 KB
MD5: 7292669398a6a56ac3eed91420383ace SHA-1: 5f01f01b6f9aa5caab729947cacbb6b993d371a0 SHA-256: 9dcd3a73b8243151c72753fd21b7b88732e5904fe74ff7a412e3501ffe2b6538
60 Risk Score

Malware Insights

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

The RTF document contains embedded OLE object data and triggers an \objupdate event, indicating an attempt to exploit a vulnerability. The heuristics suggest the file is designed to activate embedded objects, which is a common technique for delivering malicious payloads. Without a document body or script content, the exact nature of the payload cannot be determined, but the exploit attempt is clear.

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 2 \objdata section(s) — embedded OLE objects

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
objdata_00_off00000d24.bin
1c6ab702c3f96df8e0f2c84c5c4a0272d0ac92642ec3c63c2c89fea734409a37
rtf-objdata-decoded RTF \objdata at offset 0xD24 1513 bytes