Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 d4b0b4eed8348a2e…

MALICIOUS

RTF / .DOC

223.2 KB
MD5: 02d6486b6b0d72ae972c40b03baf4e57 SHA-1: 2644c5ad3eb023912c3746024f6c4c22122352c5 SHA-256: d4b0b4eed8348a2e66ab2fae562dfa99c5965c4fc398af135cde1b61e8ecbd76
147 Risk Score

Malware Insights

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

The RTF document contains embedded OLE objects, indicated by the RTF_OBJDATA heuristic. The RTF_OBJUPDATE heuristic suggests that these objects are configured to automatically activate, which is a common technique for delivering malicious payloads. Without further script or body content, the exact nature of the payload cannot be determined, but the intent is clearly malicious.

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_off00001375.bin
ddd782b973269b42f728becf57fdf9916da563fec75f5a23d2ea6cdf9759a332
rtf-objdata-decoded RTF \objdata at offset 0x1375 4171 bytes