RTF malware analysis — malicious · 92ee9736e63b48f5

MALICIOUS

RTF

3.0 KB First seen: 2023-07-31

MD5: 1e7e134f1dc51e2f7c50ec45ed1e976a SHA-1: 3993cd8cf61f2a38cff8fbc921290bd4b0681064 SHA-256: 92ee9736e63b48f5192b3c70251175f4347efc5d5bee4013b846c66e673db399

60 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious File

The RTF document contains an embedded OLE object, indicated by the RTF_OBJDATA heuristic. The RTF_OBJUPDATE heuristic at offset 0x64 suggests that this object is designed to be activated automatically upon opening, which is a common technique for exploiting vulnerabilities or delivering secondary payloads. No specific family could be identified, and no further IOCs were extracted.

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_off0000008a.bin` `eefe14656b791736d36df17fe9fc34c6efd91ef903d49c715909a1687cbc38d2`	rtf-objdata-decoded	RTF \objdata at offset 0x8A	1443 bytes

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