RTF malware analysis — malicious · 828c60ce9b7b8d3e

MALICIOUS

RTF

656.3 KB First seen: 2024-08-10

MD5: ab9b949075c80bdf20b0b44d605e36b4 SHA-1: 0a17ee5afd0a2f59d4e4b3441bdd5821338f0e43 SHA-256: 828c60ce9b7b8d3e460d1ab1b6b387425f49341f501b3775323f42baac96a57f

80 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 an \objupdate directive, indicating an attempt to activate embedded objects. The document body provides a lure, instructing the user to 'click Enable editing', a common tactic to bypass security measures and execute embedded malicious content. The presence of OLE objects suggests the file is likely a dropper or exploit container.

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_off0004edd0.bin` `977762574350b77e86c7f7141ed915baca973001e2ce7148c9a796d15619cbd2`	rtf-objdata-decoded	RTF \objdata at offset 0x4EDD0	1918 bytes

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