Malicious RTF — malware analysis report

Static analysis result for SHA-256 d65cf05e9d6ea445…

MALICIOUS

RTF

7.9 KB First seen: 2020-12-28
MD5: 8468ac6b248d7001f18259dd6b2cf522 SHA-1: bc9b38d5a1dba53fafcf8f177b6b23e9477a189d SHA-256: d65cf05e9d6ea4453417f0dcb2282def8420646ab6a74b7b3d676e1cf9440f4c
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 3585 bytes
SHA-256: c1c20ab068cdbdde3ddac7d6156af9d3a86bc8f77884f30f3f141505be7c4d97

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