Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 0ae405d6673e8cd1…

MALICIOUS

RTF / .DOC

11.1 KB
MD5: 9a9cfc9716f39ede5a4acb32635e847e SHA-1: d4c0c51c3b242371ae1b4440ea44238832e217e2 SHA-256: 0ae405d6673e8cd19cabb01b5d064503f236da2ed7402eaba8d2ba12a9b9ded2
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 a vulnerability for client execution. The presence of these elements strongly suggests a malicious document intended for delivery via spearphishing. No specific family could be identified.

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_off00001b74.bin
c76151a1c0b89c26e2676e29ae44d2ef96910a862a1f6aa9f16a37bb86e9d982
rtf-objdata-decoded RTF \objdata at offset 0x1B74 1644 bytes