RTF malware analysis — malicious · 511569b6e2e19685

MALICIOUS

RTF

24.6 KB First seen: 2023-06-13

MD5: ae15e353edb611c651dc6b29ed9b73bc SHA-1: 8fc2d45feb7a9db0dd86c4c44e929af5711283b1 SHA-256: 511569b6e2e1968508591f6664c9c07d0968e048613da0723ea7218db239db90

60 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious File

The sample is an RTF document that contains embedded OLE object data, indicated by the RTF_OBJDATA heuristic. The RTF_OBJUPDATE heuristic suggests that this OLE object is designed to be activated automatically upon opening the document. This mechanism is commonly used to deliver and execute malicious payloads, such as a downloader or an initial stage of an attack. No specific family could be identified, and the document body was unreadable.

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_off000019cc.bin` `6c1b53dba2e190751c5c470ab27148ad807e809d19a4fe96c1823455c5749719`	rtf-objdata-decoded	RTF \objdata at offset 0x19CC	3682 bytes

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