Malicious RTF — malware analysis report

Static analysis result for SHA-256 61e3a82155ab0907…

MALICIOUS

RTF

8.0 KB First seen: 2020-12-28
MD5: ae4afab5a0a374fc5d57490283057832 SHA-1: d1698c3b2a486da749c9aa9faa486fd1e16e8fac SHA-256: 61e3a82155ab0907f5a77e6c2ea9a386e863e430d9d3bcdbb489c03d71730ae3
100 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The RTF file contains an embedded OLE object that leverages a known vulnerability in Microsoft Equation Editor. This technique is commonly used to deliver a malicious payload, leading to arbitrary code execution on the victim's system. No specific family could be identified from the available evidence.

Heuristics 3

  • Equation Editor CLSID critical CVE likely RTF_EQUATION_EDITOR
    Equation Editor OLE CLSID found inside an OLE object — exploited by CVE-2017-11882 / CVE-2018-0802 / CVE-2018-0798
  • OLE object data medium RTF_OBJDATA
    RTF contains 1 \objdata section(s) — embedded OLE objects
  • Embedded OLE object medium RTF_OBJEMB
    RTF contains \objemb — embedded OLE object

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
objdata_00_off000001c9.bin rtf-objdata-decoded RTF \objdata at offset 0x1C9 3582 bytes
SHA-256: 9de8c4aa336d09dd360715239b0ee927351d743b61781992f9045bfa916596e3

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