Malicious RTF — malware analysis report

Static analysis result for SHA-256 63eb3e09dd8b97ff…

MALICIOUS

RTF

8.0 KB First seen: 2020-12-28
MD5: 0253fec75e89ab5e7d3b64d9d9a0cfb7 SHA-1: 980c639a6f1b35f355e2ef9057d28877d4d2161d SHA-256: 63eb3e09dd8b97ff259a0ec9e353c04bafc922209b4329e6a1bdf75fa7b23005
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: dffc7ee381742e4fbb0efbc045fe65495fd2284356ce303ac3044898c13f4420

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