Malicious RTF — malware analysis report

Static analysis result for SHA-256 27005796b20e6ec4…

MALICIOUS

RTF

8.0 KB First seen: 2020-12-28
MD5: 9a8525a623dc9295946f9a3cb2b64b3b SHA-1: cecf6bfab2d5b5109cc59286d85f371ffe29345d SHA-256: 27005796b20e6ec4f8e04224200cbeb643458460b63b58ee609a7046038f71fe
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 3565 bytes
SHA-256: d44136982c8dfc93b21c8a6c9f884d83877d8a88f8cf2a38bd3c4762ef4fcbeb

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