Malicious RTF — malware analysis report

Static analysis result for SHA-256 bcd4495cbaca2832…

MALICIOUS

RTF

7.9 KB First seen: 2020-12-28
MD5: 8e2d619eb79ae651f0d93748089f0238 SHA-1: fc9583ba2982ba6b549981c00fa44b4bdc7d7739 SHA-256: bcd4495cbaca2832febcfb78a08607a918722fc1dca6aeb89fc700f1b56bfe35
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 3572 bytes
SHA-256: 155bb2a735f3fada02200293e01e6073932ab95c554c807b71bcf7b3e341e09f