Malicious RTF — malware analysis report

Static analysis result for SHA-256 cf713eed82bde5e8…

MALICIOUS

RTF

7.4 KB First seen: 2020-12-28
MD5: cc8b46dfb0a5ec1f5a011c3d255dde98 SHA-1: c1435c5948f4d307049d41e3fae21755c382eca2 SHA-256: cf713eed82bde5e8ecce0c5ab329d22ad56c586f622ffae752f39d5df5892095
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 3492 bytes
SHA-256: 108e534afa9bb40aace093bb91768bb4ed72de41d8e97c79bd3fcd5079783440

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