Malicious RTF — malware analysis report

Static analysis result for SHA-256 936ddd7dde8aa643…

MALICIOUS

RTF

2.0 KB First seen: 2020-02-04
MD5: 335f5f8347a9e656ad7ec0df5cc30c10 SHA-1: 94029e21cdb840c76e98299e66ca0c272e4e80be SHA-256: 936ddd7dde8aa643fdb63465336c740b51c5eb783bfba55f2300687645d6c8fb
60 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The RTF file contains embedded OLE object data and an \objupdate directive, indicating an attempt to exploit a vulnerability for client execution. The specific exploit and payload are not discernible from the provided evidence, leading to an unknown family classification.

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_off00000025.bin rtf-objdata-decoded RTF \objdata at offset 0x25 932 bytes
SHA-256: 5b0cd18c4e90e7bdcae275d57977b0b4a657f710b412134cd6f1820b0d5c18c4

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