RTF malware analysis — malicious · 1e8821534b2be2de

MALICIOUS

RTF

127.0 KB First seen: 2024-06-21

MD5: 02859e41f804fe0bc8e74d60223b8ea6 SHA-1: 7e6caaf6ee7eefbf8ccefced5e72e5b20aac181d SHA-256: 1e8821534b2be2de1cd51dc1dab3fa4b0e5df2fb7c0d5e15c9e92ff8459dbd90

60 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious File T1027 Obfuscated Files or Information

The RTF file contains OLE object data and uses an \objupdate directive, indicating an attempt to automatically activate embedded objects. This is a common technique for delivering malicious payloads. While the document body is unreadable, the heuristics strongly suggest an exploit targeting OLE activation. 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 1 \objdata section(s) — embedded OLE objects

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`objdata_00_off000015a7.bin` `65cea5b331bd5ca2f098e80eaef9888dce0fe9ff1d21ebc4fa35c6787aa1849d`	rtf-objdata-decoded	RTF \objdata at offset 0x15A7	4171 bytes

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