Malicious RTF — malware analysis report

Static analysis result for SHA-256 2c90b30b1556db20…

MALICIOUS

RTF

6.2 KB First seen: 2020-12-28
MD5: 212f84cddb0f9745940073c0be6f7c8d SHA-1: d00bb00254b25ee672c729287fed36bc286f1ea0 SHA-256: 2c90b30b1556db207f9a37c643faba0c8ee156a8b2beb32494c57e1dc3e95c0f
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 2891 bytes
SHA-256: 8ea196b3fcddef3ecc996ae639a45a69ac0cb84a602a881e38a28104a0e19995

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