RTF malware analysis — malicious · 99232f1d68b77549

MALICIOUS

RTF

9.4 KB

MD5: 838f19684f9acf6932514d2ce2037b8f SHA-1: b8a2b693985e72dc183232812401660584464e02 SHA-256: 99232f1d68b77549221806580f3e3af405cc1154e300b325500ae7c8f41a9148

60 Risk Score

Malware Insights

MITRE ATT&CK

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

The RTF document contains OLE object data and uses an \objupdate directive, indicating an attempt to exploit embedded objects. This strongly suggests a malicious intent to execute code upon opening. While no specific family is identified, the technique is consistent with exploit-laden documents used for initial access.

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_off00001135.bin` `9a7cffa16b83b5352f1a4f512ccdbbdaeef248290645fe067205cf0779eccac3`	rtf-objdata-decoded	RTF \objdata at offset 0x1135	1857 bytes

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