Malicious RTF — malware analysis report

Static analysis result for SHA-256 752e58fec1165b5f…

MALICIOUS

RTF

145.7 KB First seen: 2025-02-18
MD5: d69fcd78714cf81987767e09d553d18e SHA-1: 5615e2c45eb4adeaf439ca945c037461ec5002ae SHA-256: 752e58fec1165b5f826cfd388ade70c445ce7ef5c9e7c07fd14705e4b37c46aa
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious File

The RTF file contains OLE object data and an \objupdate directive, indicating an attempt to exploit OLE activation for code execution. This is a common technique for delivering malicious payloads via document attachments. No specific family could be identified from the available heuristics.

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.

FilenameKindSourceSize
objdata_00_off00001abd.bin
7121ca7c8c9cc4ddd79a72581f0c0b934e192fbb037dc464dee8246a27fe6980
rtf-objdata-decoded RTF \objdata at offset 0x1ABD 4188 bytes