RTF malware analysis — malicious · 0fb427609dd47229

MALICIOUS

RTF

4.4 KB First seen: 2020-07-24

MD5: 0da055756a8b7ff9f04236441e127438 SHA-1: 3905591b8ed7716ade72e7670ee7a9e40d78395e SHA-256: 0fb427609dd47229baaf3143c0adcac6a74534e0bdd8c58206fe5e7a5648ee4a

100 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The RTF document contains OLE object data and triggers OLE activation via \objupdate. This indicates an attempt to exploit a vulnerability, likely for client execution. The embedded OLE object is the primary indicator of compromise, suggesting a malicious payload delivery mechanism.

Heuristics 3

Automatically linked OLE object high RTF_OBJAUTLINK

RTF contains \objautlink — an automatically linked OLE object surface that can be updated or activated when Word opens the document.
\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_off00000074.bin`	rtf-objdata-decoded	RTF \objdata at offset 0x74	2025 bytes
SHA-256: `f6960526e4091a938dc1e16b33131fa16a7cb80505b35a020540446985f8dc13`

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