Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 5ef7d4f9de3d3c88…

MALICIOUS

RTF / .DOC

3.1 KB First seen: 2023-04-27
MD5: 09a31f5231503b461debc41727b052f9 SHA-1: 25585e07eb8673c59a678a123adfae67aba77f5f SHA-256: 5ef7d4f9de3d3c8818c1e3d63951d3bfe4f67e0c3695190ec946fed625eca74c
60 Risk Score

Malware Insights

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

The RTF document contains OLE object data and an \objupdate directive, indicating an attempt to exploit a vulnerability when the object is activated. The embedded OLE object is likely a malicious payload designed to be executed by the user. 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_off00000083.bin
6944ab1d1f4083130e06dd4491c10a20fb2d4c88a75055227ba2520e8f7d4870
rtf-objdata-decoded RTF \objdata at offset 0x83 1479 bytes