Malicious RTF — malware analysis report

Static analysis result for SHA-256 fc7e6c38a11f9d77…

MALICIOUS

RTF

7.5 KB First seen: 2020-12-28
MD5: 55ea6588ec984e5acf13d374994335ba SHA-1: d17c93624b5c277ab195ea18d8c85973b1f9eeb3 SHA-256: fc7e6c38a11f9d7748c63d70510361b3238716b7c90c47a4d9a7494c197210e3
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 3518 bytes
SHA-256: 61fe24d6caa4b94619dd9b400e7dd7d4bb0bf368255a6dce42e720d44dbaa023

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