RTF malware analysis — malicious · aac7bf87da369ad5

MALICIOUS

RTF

479.3 KB First seen: 2024-06-25

MD5: c03832755137d9c239c254546b560c38 SHA-1: a1e532f2380327e0b9453786b25c4ad79fa93e68 SHA-256: aac7bf87da369ad526524916a28af4c42f667452178b20b3629d8ad7a227afba

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 instruction to enable editing, indicating it's designed to trick the user into activating potentially malicious content. The document body discusses financial audits, likely as a pretext to bypass security measures. The presence of OLE object data and the SE_ENABLE_LURE heuristic strongly suggest this file acts as a dropper for further malicious payloads.

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_off00015e51.bin` `6c163c998eb5d8aac787413a65b0a08031c5f78d5a05201b15676fec28daf6eb`	rtf-objdata-decoded	RTF \objdata at offset 0x15E51	1777 bytes

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