Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 69397c7c0e1801c5…

MALICIOUS

RTF / .DOC

10.5 KB First seen: 2023-05-30
MD5: 8e00c21aa64bd31573ebc30c296b9396 SHA-1: e800dacb88ed76378cdfec6ce43aa5f6c241162c SHA-256: 69397c7c0e1801c598cd9171f4f85b4624a76d491ed4370747e7da09b30ae8eb
60 Risk Score

Malware Insights

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

The RTF document contains OLE object data and uses an \objupdate directive, indicating an attempt to trigger OLE activation. This is a common technique for delivering malicious payloads, often through spearphishing attachments. No specific malware family could be identified, and no further IOCs were extracted.

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_off000018f2.bin
887c94ee5483a061f24eae7bdcfc75a2a59c8af079349e069bf34e295fd38e04
rtf-objdata-decoded RTF \objdata at offset 0x18F2 2143 bytes