Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 0d23b98d3611204c…

MALICIOUS

RTF / .DOC

21.1 KB
MD5: 9df36b6c98f5c1cd3a197bb715e4f731 SHA-1: ef4a9d486e24ce9f00d6855c848f5bae8ba72f56 SHA-256: 0d23b98d3611204c3bfac19988df03ba45ac73922ef25663fe0d7f1c0ee00beb
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 client-side vulnerability for execution. The heuristic firings suggest the file is designed to activate embedded objects, likely to download and run a secondary payload. Without further script or body content, the specific family and payload remain unknown.

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_off00002092.bin
7eea50e46a1fe1b1c4f40eda3ad839fdd70be52d1114bc09bd8c56008dd268f8
rtf-objdata-decoded RTF \objdata at offset 0x2092 1766 bytes