Malicious RTF — malware analysis report

Static analysis result for SHA-256 2c1ae85bbe2ff521…

MALICIOUS

RTF

4.9 KB First seen: 2020-07-02
MD5: 7db20a2da4d037f01adb10fd270e9038 SHA-1: 5701329e29490207cebb9e4a51f2df8bfa35391e SHA-256: 2c1ae85bbe2ff52172aba947420e1a9bd98f7ac31671dee3cf9db19b14d21999
60 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The RTF file contains OLE object data and an \objupdate directive, indicating it is designed to exploit a vulnerability in OLE object activation for client execution. The embedded OLE object is likely a payload or a dropper for further malicious activity.

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_off000001e5.bin rtf-objdata-decoded RTF \objdata at offset 0x1E5 2000 bytes
SHA-256: 98cb6ed47afa3233ce5973a4a5a1e355238ca4ec8545937d98f7ce9d020b38ff

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