Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 6b0f67636b41da6d…

MALICIOUS

RTF / .DOC

3.2 KB First seen: 2022-12-16
MD5: feb31139c26b083f45bac3fedd811e2d SHA-1: 8c2b7d9d9a953a9f944c141498724da53624a12c SHA-256: 6b0f67636b41da6d6f69d57dd2b421c140ee5090c168eb09b08357c00eb1963d
60 Risk Score

Malware Insights

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

The RTF document contains OLE object data and an \objupdate directive, indicating it is designed to exploit a vulnerability when opened. This technique is commonly used to deliver a malicious payload. No specific family could be identified from the available evidence.

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 1 \objdata section(s) — embedded OLE objects

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
objdata_00_off00000081.bin
a00c923fd353f6d9da63656c721c2e3b0f3ca3e6862a7a7f6d19067bedf006e8
rtf-objdata-decoded RTF \objdata at offset 0x81 1541 bytes