Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 81dcd2888afa874a…

MALICIOUS

RTF / .DOC

9.4 KB
MD5: df122bd655ded9929f998f2c2671ffb4 SHA-1: 9738f41dd0ff22393e7de0243835a499718c4193 SHA-256: 81dcd2888afa874a18b121154aaa4907102dbdba3312182f9e35dd823681e100
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 uses an \objupdate directive, indicating an attempt to exploit OLE activation for code execution. This is a common technique for delivering secondary payloads. While no specific family is identified, the method strongly suggests a malicious document designed to compromise the user's system.

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_off00001257.bin
a8f159d183e05e6e72d86f8b597830cfbca343acdae79adeda5310edbd6d348b
rtf-objdata-decoded RTF \objdata at offset 0x1257 1536 bytes