Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 6fcbef18af6a55ff…

MALICIOUS

RTF / .DOC

23.8 KB
MD5: d1e55b3f06a3d6cf3495cc5ed0e089f7 SHA-1: e7b68b734db3d71746df23e9d23d3e40716a0d28 SHA-256: 6fcbef18af6a55ffcb456fa7b19c691a74165e39154a1278251e8d217e8ddbff
60 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The RTF document contains OLE object data and an \objupdate directive, indicating an attempt to exploit a vulnerability and activate embedded objects. This strongly suggests the file is designed to execute arbitrary code, likely as a lure in a phishing campaign. No specific family could be identified, and no direct IOCs were extracted from the limited document body.

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_off00001235.bin
3ff8c1cd71254fee1e84703d281949fc72df536e0cdbefb0be67a4f5151d1386
rtf-objdata-decoded RTF \objdata at offset 0x1235 1982 bytes