Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 e97dd3c436beb6d6…

MALICIOUS

RTF / .DOC

457.2 KB First seen: 2024-06-11
MD5: c4adaf42879add753054adf8d7e8eec4 SHA-1: 3781a46c2bd265c572741811fbce4ac08b54a1ed SHA-256: e97dd3c436beb6d6fec91b9298761fcf22446337a32121d3703465c9746c5c74
80 Risk Score

Malware Insights

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

The RTF document contains OLE object data and an \objupdate directive, indicating it is designed to activate embedded objects. The document body provides a lure, instructing the user to 'Enable editing' and mentioning macros, a common technique to bypass security settings and execute malicious content. The presence of these elements strongly suggests a malicious dropper designed to execute further stages.

Heuristics 3

  • \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
  • Macro/content-enable lure medium SE_ENABLE_LURE
    Document instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
objdata_00_off00016f9e.bin
0e957d9c32eaa0f9319a3974f08c7bb849047f212fc786a700933318cefa8d81
rtf-objdata-decoded RTF \objdata at offset 0x16F9E 1930 bytes