RTF malware analysis — malicious · d49958fb0872d6ee

MALICIOUS

RTF

3.2 KB First seen: 2023-08-02

MD5: c7d6e1e866d81b1888db9df27e73c313 SHA-1: b283644777189a6a81ec10d0dd587e4ca917be1a SHA-256: d49958fb0872d6ee15d0178934f99237187492653463b461cd264277d9f41537

100 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious File

The RTF document contains embedded OLE objects that are configured to automatically update and activate. This indicates an attempt to exploit vulnerabilities within the RTF parser or OLE object handling to execute arbitrary code. The presence of ".bin" file extension in the embedded artifact suggests it may contain a secondary payload.

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_off0000008b.bin` `7101026693a2065358a8fb4ff54a9f3bf08ad463c80ae7f0c15150a585d31c26`	rtf-objdata-decoded	RTF \objdata at offset 0x8B	1555 bytes

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