Malicious RTF — malware analysis report

Static analysis result for SHA-256 8621fea2057153cd…

MALICIOUS

RTF

8.0 KB First seen: 2020-12-28
MD5: eadda81fcc50d127986e0016b7535a15 SHA-1: b2254737021e9129e1dedda43ac57476f1872b4f SHA-256: 8621fea2057153cdd68d440095c033cd016935a359696c6a878c06785581524c
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 3587 bytes
SHA-256: 8734c4e29d8f6f13b7e4d93971e48e0dfbfe741babd89472d0fa1f9acec86913

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