RTF malware analysis — malicious · d8588e51d73dcf4b

MALICIOUS

RTF

28.3 KB First seen: 2023-05-21

MD5: f83050a49383b5c615b9a84543254f4e SHA-1: 59ff738976651d24126bbd6ef313e6f31af9db65 SHA-256: d8588e51d73dcf4b9ca0eeec7a4bbb184a32c0e769df76d075466289f60be95e

60 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious File

The RTF document contains embedded OLE object data and uses an \objupdate directive, indicating an attempt to exploit a vulnerability to activate the embedded object. This is a common technique for delivering secondary payloads. No document body or script content was available for further analysis, limiting the ability to identify a specific family or more detailed attack steps.

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_off00001d4f.bin` `9e33a6298b35826aea34536815e0d780f3e05f043341b0bbe160e123ad127b34`	rtf-objdata-decoded	RTF \objdata at offset 0x1D4F	4173 bytes

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