RTF malware analysis — malicious · 4b59cd2db819f67f

MALICIOUS

RTF

10.3 KB

MD5: 8853970adc71fa21d4706d67327d5a27 SHA-1: ab58e89439776f3ce09cca6fbac97accbd2946fa SHA-256: 4b59cd2db819f67f12742508d040bef289aa451c17c3bc1dec0a1ae1638fab40

60 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious File T1059.001 PowerShell

The RTF file contains OLE object data and an \objupdate directive, indicating an attempt to exploit OLE object vulnerabilities. The heuristic firings suggest the document is designed to activate embedded objects, which is a common technique for delivering malicious payloads. While no specific URLs or scripts were extracted, the structure strongly implies a downloader or exploit delivery mechanism.

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_off000013f9.bin` `0fdbbbd479ba2f2800bfc686f4c310f0ce37ebe4779ae0fb6d3f819f345bfe8d`	rtf-objdata-decoded	RTF \objdata at offset 0x13F9	1947 bytes

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