Malicious RTF — malware analysis report

Static analysis result for SHA-256 93889175c6bcbf95…

MALICIOUS

RTF

7.4 KB First seen: 2020-12-28
MD5: 934e0633ced054ce457944f2db38c8d6 SHA-1: 8ad5c5c97520e88a7a5753cf2cfca8efdf647608 SHA-256: 93889175c6bcbf957cfd7d4040d8c7a461800a682a2e4a2e85225459a64f5e8a
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 3472 bytes
SHA-256: da5975675379a2c882cf2136667a53f90c2d63902edad841caa92751b323b1b7

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