RTF malware analysis — malicious · f4a0f308ac8a12f5

MALICIOUS

RTF

24.0 KB First seen: 2023-06-01

MD5: ffe1ea779810b3c740b160263b7b05b1 SHA-1: d0a2de3f201a1d1edeb4ca7e8f4fc04768de5a4a SHA-256: f4a0f308ac8a12f587bff229618f49c3d9fe3019841247b447f0eafaa80577aa

100 Risk Score

Malware Insights

MITRE ATT&CK

T1559 Component Object Model Hijacking T1559.001 Component Object Model Hijacking: OLE

The RTF file contains OLE object data and heuristics indicate that \objupdate forces OLE activation. This suggests the file is designed to exploit OLE object handling to execute embedded content. The presence of Ole10Native stream further supports the embedding of an executable or script.

Heuristics 3

Ole10Native stream in RTF OLE object high CVE related RTF_OLE10NATIVE_STREAM

RTF contains an embedded OLE object with an Ole10Native stream. This is a strong payload-container signal and is related to Word/OLE exploit delivery, but it is not specific enough on its own to assign a CVE.
\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_off00000c8c.bin` `48ed5c847e5a75efaad1a333e2e90d9282781b9dd232b1489fb695a34ab110cf`	rtf-objdata-decoded	RTF \objdata at offset 0xC8C	4195 bytes

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