Malicious RTF — malware analysis report

Static analysis result for SHA-256 674736fca4bfd7a4…

MALICIOUS

RTF

7.9 KB First seen: 2020-12-28
MD5: 723de815ab601c82d66c5febfea7699b SHA-1: 2397b73f52e572c9e7d369c62f0177c650c0421d SHA-256: 674736fca4bfd7a41f0e65080c23e547cd21a3d41af7a5b7518880f7a809e51f
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 3564 bytes
SHA-256: f71d51c376d00b59651e1284201f1448a25f0666c74a11a5f3e9e09bcbdacd5a

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