RTF malware analysis — malicious · aa6b8820cd838b9e

MALICIOUS

RTF

638.1 KB First seen: 2024-09-10

MD5: 719c8a05078297df1a459664681aca39 SHA-1: 7004b22b365bbdefed13c54a4fdfebb52a1f5102 SHA-256: aa6b8820cd838b9e7f2279f34b9089153d1014f57bbbe4afa626cf2335f5f382

80 Risk Score

Malware Insights

MITRE ATT&CK

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

The RTF file contains OLE object data and an instruction to update the OLE object, indicating an attempt to execute embedded content. The heuristic 'SE_ENABLE_LURE' confirms that the document body instructs the user to enable editing and macros, a common social engineering tactic to bypass security measures and deliver a malicious payload.

Heuristics 3

\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_off00052b32.bin` `f6879af696ee51f150d55e773fa88d18e4afc8a51870437479339656cf5d8b3d`	rtf-objdata-decoded	RTF \objdata at offset 0x52B32	1556 bytes

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