Malicious RTF — malware analysis report

Static analysis result for SHA-256 81eecc9d0355bbfd…

MALICIOUS

RTF

7.9 KB First seen: 2020-12-28
MD5: 9c885f7b2ac218216a85806d9bf49acf SHA-1: 8f1da0896e35ccfdb1836a124ec87959316f8483 SHA-256: 81eecc9d0355bbfd9e836dd7c9579af858f329dbe947cde8eeffc1fb8ea68520
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 3568 bytes
SHA-256: 7752285eb3c62dcfa6a5ca8da921aa7764349e646855c02fba814d3d58209278