Malicious RTF — malware analysis report

Static analysis result for SHA-256 fbe90a1550440373…

MALICIOUS

RTF

255.8 KB First seen: 2018-11-13
MD5: be33cd00fd373f51f0f6b07ac9fb95a9 SHA-1: 568438401843a7a5827ecbd5e74bf42ec3c3cfbd SHA-256: fbe90a1550440373d4f1158808ea442b46baabb22193288227b928fd45ebe17d
60 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The RTF file contains OLE object data and triggers heuristics related to CVE-2012-1856, indicating exploitation of a vulnerability in MSCOMCTL.Toolbar. This suggests the file is designed to execute arbitrary code on a vulnerable system. No specific family could be identified.

Heuristics 2

  • MSCOMCTL.Toolbar — CVE-2012-0158 / CVE-2012-1856 high CVE related CVE_2012_1856
    RTF \objdata decodes to OLE data containing the MSCOMCTL.Toolbar — CVE-2012-0158 / CVE-2012-1856 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_off00000a55.bin rtf-objdata-decoded RTF \objdata at offset 0xA55 8575 bytes
SHA-256: cd927f74db90e3b3f262a317e8f4191b6c0827b2ced85b8c46e1dbd524b7004f

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