Malicious RTF — malware analysis report

Static analysis result for SHA-256 deee3ad263c3947b…

MALICIOUS

RTF

7.5 KB
MD5: 7d9ea5cd30a82700f597bd84ff334255 SHA-1: ee25e695a575cbc5e8f74d535f44e66e9b579e7c SHA-256: deee3ad263c3947b20580cce3310c53219217e21588479e7152eda86b9f6f08e
100 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious File Execution T1059 Command and Scripting Interpreter T1137 Software Deployment Tools

The RTF document contains OLE object data that is automatically linked and updated, indicating an attempt to exploit OLE activation for code execution. The presence of embedded URLs and the high-risk heuristic firings strongly suggest that this file is designed to download and execute a secondary payload. The specific attack vector leverages RTF's OLE object handling capabilities.

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.

FilenameKindSourceSize
objdata_00_off00000bfe.bin
1654c240d2b887392393f9457189ffc203a9af12a614e5fe0b480feaf7ba74b0
rtf-objdata-decoded RTF \objdata at offset 0xBFE 1716 bytes