Malicious RTF — malware analysis report

Static analysis result for SHA-256 94658581e254753c…

MALICIOUS

RTF

396.6 KB First seen: 2015-09-18
MD5: 5b3405b9dad4a773ad401da70889fba0 SHA-1: 9b301276d6c33d286c409b640415928440353474 SHA-256: 94658581e254753cd9bac4af51fc64cd861894821175e72941cf3feadddbf82d
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 vulnerability allows for the execution of arbitrary code when the file is opened, likely leading to the download and execution of a secondary payload.

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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