Malicious RTF — malware analysis report

Static analysis result for SHA-256 856c486f61a768c7…

MALICIOUS

RTF

7.9 KB First seen: 2020-12-28
MD5: 6eed3fbe0a15cce88972ae8acd1f7c60 SHA-1: 300a8d0d6a51ba0fdc404073bef1af7e5e90bff6 SHA-256: 856c486f61a768c74b2a0b3c5d764bf181e2237fe3ed335a4113a86244713978
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 3566 bytes
SHA-256: c665bba7008a3752fad09cbc70abff8944b35ec1e15e1a7c3a4fb7e190a12133

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