Malicious RTF — malware analysis report

Static analysis result for SHA-256 4840ec7d5e838d5d…

MALICIOUS

RTF

7.3 KB First seen: 2020-12-28
MD5: c340ceea1f9b1eb991c1da0f60ba9476 SHA-1: 95186decd56b73a2ead9ce700586d691eb9fee44 SHA-256: 4840ec7d5e838d5d3958c54d850aa316184157d9c6309b1540a95f3a0beae5bb
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 2377 bytes
SHA-256: 6a995a74d2e890517f183f09aac7946dfba99b31eaecf0f978d3c97539b511c9

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