Malicious RTF — malware analysis report

Static analysis result for SHA-256 f89534f97a992961…

MALICIOUS

RTF

73.3 KB First seen: 2015-09-29
MD5: 821f7ef4349d542f5f34f90b10bcc690 SHA-1: 5fdb58e654538664282ba51bc44c25c50819932a SHA-256: f89534f97a9929613623f062bae2cbb8ef3eed583599c756957d3fa963a6d805
60 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is an RTF file that contains OLE object data. Heuristics indicate it exploits CVE-2012-0158, a vulnerability related to MSCOMCTL.ListView, which allows for arbitrary code execution. The document body is heavily obfuscated and truncated, preventing further analysis of its specific payload or intent.

Heuristics 2

  • MSCOMCTL.ListView — CVE-2012-0158 high CVE related CVE_2012_0158
    RTF \objdata decodes to OLE data containing the MSCOMCTL.ListView — CVE-2012-0158 CLSID — the vulnerable control/moniker is embedded directly in the document's object stream, the delivery shape of this exploit. RTF objects auto-render when Word opens the file.
  • 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_off00000072.bin rtf-objdata-decoded RTF \objdata at offset 0x72 3826 bytes
SHA-256: b1f94321bd528aee29b3443407f50095f3ca9267bd78079beb27dbc6d58d0f13

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