RTF malware analysis — malicious · bf89362748b9e66c

MALICIOUS

RTF

604.4 KB First seen: 2024-06-24

MD5: 2d1b096a33d1b673fd06db9f3e861761 SHA-1: 3c0a1d1bd1b54381df8769ecc173e8635fea366e SHA-256: bf89362748b9e66c11aaa49ddf83b1665fe038d04225b36de4f26cffc11a0f3d

100 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1204.002 Malicious Link: Malicious File

The RTF file contains embedded OLE objects and uses an \objupdate directive, indicating an attempt to activate embedded content. The document body provides a lure, instructing the user to 'click Enable editing from the yellow bar above', a common tactic to bypass macro security. This suggests the file is designed to drop or execute a malicious payload upon user interaction.

Heuristics 4

\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
Embedded OLE object medium RTF_OBJEMB

RTF contains \objemb — embedded OLE object
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_off0002aa7c.bin` `2d509a034d61a6dd35fc27c2a9bfe05333ff2688736029bf52c1463d31021243`	rtf-objdata-decoded	RTF \objdata at offset 0x2AA7C	1950 bytes

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