RTF malware analysis — malicious · e24f9280b453e526

MALICIOUS

RTF

25.9 KB First seen: 2023-03-13

MD5: fa106001a7cf2deb09192898ba82b50f SHA-1: d472611b9c4185f4dad80143c6c46cb3a3047779 SHA-256: e24f9280b453e5262a8f191193f4bf2c249273d30b32dd19e924e56f7e02f057

100 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious File

The RTF document contains OLE object data and uses \objupdate to force OLE activation, indicating an attempt to exploit vulnerabilities related to embedded objects. The presence of these indicators strongly suggests a malicious intent to execute code, likely for downloading and running a secondary payload. No specific family could be identified.

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_off00001265.bin` `2a80bd858eacaf6b8e9cde2bd3f9d7d1ee7c997f8fd4f2652a11a8da6f53b818`	rtf-objdata-decoded	RTF \objdata at offset 0x1265	4692 bytes

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