RTF malware analysis — malicious · d213681bdb5ce1ca

MALICIOUS

RTF

7.1 KB First seen: 2022-12-06

MD5: 48761a16dd96c10f032b32475c748e37 SHA-1: 7dc04a878bb273a6406b68cdafeb71b62dccf1ad SHA-256: d213681bdb5ce1ca9f353ca5c8b6d45fca9de882b79f6e6708898096817427dd

60 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious File

The file is an RTF document that contains OLE object data and triggers an \objupdate heuristic, indicating an attempt to exploit OLE activation for code execution. The truncated document body does not provide further context, but the heuristics strongly suggest a vulnerability exploitation attack pattern. No scripts were extracted, and the family is 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 1 \objdata section(s) — embedded OLE objects

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`objdata_00_off00000c20.bin` `bc6e2067ba3c5f3f41f9e2f2746831a7736f3e3b578b68c68f711e8d1c82098e`	rtf-objdata-decoded	RTF \objdata at offset 0xC20	2012 bytes

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