RTF malware analysis — malicious · 2f2da3cea858b21f

MALICIOUS

RTF

3.6 KB First seen: 2023-01-11

MD5: 9cb01474214830323d7095d6afc64491 SHA-1: 093055d8744a56ac1a0f5fc62d7e2586e10ca32a SHA-256: 2f2da3cea858b21fab47e2095a12b26f07fbf3cadaf399c31548e5739ee75718

60 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious File

The RTF file contains an OLE object with ".objdata" and ".objupdate" sections, indicating an attempt to exploit OLE object activation. This is a common technique for delivering malicious payloads, often via spearphishing attachments. The specific exploit targeted is not detailed, but the presence of these indicators strongly suggests an attack pattern involving user interaction to trigger the exploit.

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_off00000070.bin` `b6396ec200cd67d897fd0604d2c7e9917888869bcf821da54264849bdd8949b0`	rtf-objdata-decoded	RTF \objdata at offset 0x70	1733 bytes

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