Malicious RTF — malware analysis report

Static analysis result for SHA-256 3b3cb7b9cb4a38c6…

MALICIOUS

RTF

7.6 KB First seen: 2020-12-28
MD5: 63e6d800175e2fa5cda65012b335a174 SHA-1: 27cc8f555ac0c19c1977691cf03f0648bfd26d04 SHA-256: 3b3cb7b9cb4a38c6aa66b2af96f2a49fd221f47819defa136b73214baa126b35
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 3561 bytes
SHA-256: 489b0095413fafa0d89fbab04c0235da90caa17d3ef152d2fd3fe2386e0d8702

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