Malicious RTF — malware analysis report

Static analysis result for SHA-256 38a34f3bf10610fd…

MALICIOUS

RTF

5.3 KB First seen: 2020-12-28
MD5: 6b910a28ca383574c49b49e5d47fb40f SHA-1: 4f8077eba92f25eb8b03e8f55d29ebf40ceffaeb SHA-256: 38a34f3bf10610fda7642b1567d2d602d93274102da0c0c2d291957370b28cf3
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 2416 bytes
SHA-256: 7fa632b19285e6c13e8cf4dccf07b0375af4166daf641234c44df979142042c9

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