Malicious RTF — malware analysis report

Static analysis result for SHA-256 5cb0a37bf090e830…

MALICIOUS

RTF

5.2 KB First seen: 2020-12-28
MD5: 9b866e2ad25384905544c820277ad652 SHA-1: b73534ef74d9f5b87707d4477331d5ed812b6a7b SHA-256: 5cb0a37bf090e8308b342629e7a2f88d38cc83dc6cc3c104d04127a07123a1d5
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 2377 bytes
SHA-256: cd3d215e1da55f00bf17abf99261dd72bd6d7a22eae38d29a1e0f8d6b2914791

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