RTF malware analysis — malicious · 6c98f35634c02c4c

MALICIOUS

RTF

766.6 KB First seen: 2024-08-27

MD5: c0d48716ea8eef0d46d77cc231fa5371 SHA-1: 1438d2234f6a36f27aa9b0c2465e71fd607a26c3 SHA-256: 6c98f35634c02c4cc1d7cbc628ba843c85e80559c1b1d51d44efb3e3bbfc40f6

120 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1204.002 Malicious Link: Malicious File T1566 Phishing T1566.001 Phishing: Spearphishing Attachment

The RTF file contains OLE object data and heuristics indicate that an automatically linked OLE object is present and configured to update. The document body provides a lure related to financial auditing to encourage the user to enable editing, a common tactic for macro-based malware delivery. The presence of OLE object data suggests the file is designed to embed and potentially execute external content.

Heuristics 4

Automatically linked OLE object high RTF_OBJAUTLINK

RTF contains \objautlink — an automatically linked OLE object surface that can be updated or activated when Word opens the document.
\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
Macro/content-enable lure medium SE_ENABLE_LURE

Document instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`objdata_00_off000578e5.bin` `89cbab4a78248d7c26856b96a69832a6bc00cc269da64eccff9e955d5a6da476`	rtf-objdata-decoded	RTF \objdata at offset 0x578E5	2136 bytes

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