RTF malware analysis — malicious · 3e7a8b89e1117cd7

MALICIOUS

RTF

28.9 KB First seen: 2023-05-09

MD5: a86eff21eb0571be6fa5d185365c4e06 SHA-1: d191fc8e8742419cbdbf173112cdc23280743101 SHA-256: 3e7a8b89e1117cd722953e34a1c9080e48f055056aa04eedcf0abba5de8f5c44

60 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious File

The RTF file contains OLE object data and uses an \objupdate directive, indicating an attempt to exploit OLE activation for code execution. This is a common technique for delivering malicious payloads via document attachments. No specific family could be identified, but the method strongly suggests a malicious downloader or exploit dropper.

Heuristics 2

\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

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`objdata_00_off0000202e.bin` `2ff2511854a125ec71d591b65c57c5ab425d7568982fe71f3d94387aaa48cf6b`	rtf-objdata-decoded	RTF \objdata at offset 0x202E	4197 bytes

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