RTF malware analysis — malicious · ae4ac632d68b0dc5

MALICIOUS

RTF

645.1 KB First seen: 2024-08-14

MD5: 18d0faa04106cca02db71348ef92d545 SHA-1: f75340b9239ddadd36bf733ef1e76fd8c6bac9d2 SHA-256: ae4ac632d68b0dc52f06f8525e403e5814313f522960fe33d8e0fab278e8d53c

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 it's designed to activate embedded objects. The document body provides a lure related to financial auditing, instructing the user to 'Enable editing' and likely macros, a common technique for malware droppers. The presence of OLE objects and the lure suggest the file is intended to execute a secondary payload upon user interaction.

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_off0004ca4d.bin` `0f988d41b69f3078e741c64328dc58233feef284cd06218f8a2d291e54ceea63`	rtf-objdata-decoded	RTF \objdata at offset 0x4CA4D	1726 bytes

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