RTF malware analysis — malicious · d397ebd8812626c3

MALICIOUS

RTF

387.7 KB First seen: 2024-06-13

MD5: 8b049d5e850fc75c1cef5edb8fc68feb SHA-1: c927a5c75bb0c197c73b374e129d6751cad43b51 SHA-256: d397ebd8812626c3fc3a0304a0ba03b21539dc26bfa2ad14ba67c951dabb9ff4

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, instructing the user to 'Enable editing' to bypass security measures, a common tactic for malware droppers. The presence of these elements strongly suggests the file is intended to download and execute a secondary 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_off0001675b.bin` `9b125cbf80105219661e4228b88dfa0981889a5e6c10900249e527bb20c50d83`	rtf-objdata-decoded	RTF \objdata at offset 0x1675B	1556 bytes

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