Malicious RTF — malware analysis report

Static analysis result for SHA-256 4a1d43537ef7960c…

MALICIOUS

RTF

2.0 KB First seen: 2019-05-31
MD5: c7e2bf7dbbc63c8fbb705ed9f6dd9bce SHA-1: 4152137843e9184b60f44432bb1912e40b98acae SHA-256: 4a1d43537ef7960c28e21048a8dc64e1682452ed6e828e98d4b95afc831f0880
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: 412d869de60328d34c336326599f78dfc34104da574c796f986027277bfd6b4a

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