RTF malware analysis — malicious · 718dcc870c0de487

MALICIOUS

RTF

21.7 KB

MD5: 5aad2b6635b3069402aaf6ff389bea64 SHA-1: a8617ddffd6c934fcf3f64c6e84b1a23ffa9d092 SHA-256: 718dcc870c0de487595feed4e5e43dc70fba6fa2aaac15462c0ba5c20028e7bd

100 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution

The RTF file contains OLE object data and triggers OLE activation, indicating exploitation of a vulnerability. The embedded OLE object is decoded and contains executable content. While no specific script language was directly identified, the exploitation mechanism suggests a pattern of client-side execution, likely for downloading further malicious content. The document body is heavily obfuscated and unreadable.

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 2 \objdata section(s) — embedded OLE objects

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`objdata_00_off00000b39.bin` `b40083435183b70a11a8dd1af9400345e83d5bf1190211a4e5e1430e546d9505`	rtf-objdata-decoded	RTF \objdata at offset 0xB39	4194 bytes

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