Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 3866b27ef82bad0f…

MALICIOUS

RTF / .DOC

636.2 KB
MD5: 4ea28268f6fc90f0e5cd4364b237b8e2 SHA-1: ad65713260687c65091ca17ca6eee44c8fbf0126 SHA-256: 3866b27ef82bad0f3a6d0e04a9480876f930d118d89485d72622651d31531308
80 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1566.001 Spearphishing Attachment T1059.005 Visual Basic

The RTF document contains OLE object data and an \objupdate directive, indicating an attempt to embed and activate external content. The document body explicitly instructs the user to 'click Enable editing from the yellow bar above,' a common lure for macro-enabled malware. While no specific scripts were extracted, the heuristics suggest a malicious dropper designed to exploit user interaction.

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_off0003dfe2.bin
a6691152cf28d556c597175bd2e80f7bc8c147f90db4f54d73510ebab5d157b6
rtf-objdata-decoded RTF \objdata at offset 0x3DFE2 1942 bytes