Malicious RTF — malware analysis report

Static analysis result for SHA-256 f327fe572f95b8c3…

MALICIOUS

RTF

8.0 KB First seen: 2020-12-28
MD5: 2ea3f84a2806206b81ceb39445618b0b SHA-1: 22ef02f8b8f6682d572eef621d940a78e4f310b5 SHA-256: f327fe572f95b8c3ed7d7952831cc53e9b4c0631e5b357a30b73281c6d988b8b
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 3581 bytes
SHA-256: b726be90cbebd43b1f9ac974936a52af0869660572825fbc6d217456e0a0bb94

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