Malicious RTF — malware analysis report

Static analysis result for SHA-256 c9b6e2eb2b756898…

MALICIOUS

RTF

8.0 KB First seen: 2020-12-28
MD5: f47e5d4f51f1fc3bf1af3a3ff21258da SHA-1: 0385c16bcfe8b691855106ede7e9a736571fda05 SHA-256: c9b6e2eb2b7568981c0a5872934b5d3eb1df6075b469721ef1f8522b0ea49fad
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 3591 bytes
SHA-256: 237e25dc874fb1e10b4b6eac6fe04bfde9d7c7372480be02a10947d0d8ca6f49

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