Malicious RTF — malware analysis report

Static analysis result for SHA-256 880ae4ce3e7925a9…

MALICIOUS

RTF

439.7 KB Created: 2021-07-16 07:42:00
MD5: d40e208c148d543066b3b50c6e45893e SHA-1: 6c5a2e82b9797e916a0d52c3f79588bb53b0fb27 SHA-256: 880ae4ce3e7925a9e91496e223bf5f82c07e4e0e661f1e213045e135d85f6848
102 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The RTF file contains an embedded OLE object that triggers the CVE-2017-11882 vulnerability in Microsoft Equation Editor. This vulnerability allows for arbitrary code execution, indicating a malicious intent to compromise the system. No document body or scripts were extracted, but the critical heuristic firing strongly suggests exploitation.

Heuristics 4

  • CVE-2017-11882 — Equation Editor FONT record overflow critical CVE likely CVE_2017_11882
    Equation Editor MTEF contains an overlong FONT typeface field, the vulnerable copy primitive for CVE-2017-11882. This is stronger evidence than the Equation Editor CLSID alone because it identifies the malformed record that drives code execution in EQNEDT32.EXE.
  • 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
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://schemas.microsoft.com/office/word/2003/wordml

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
objdata_00_off000032c8.bin
7824a08e061c34defedaa60da0582aca64c1b8fef349e17936283442c3966307		 rtf-objdata-decoded RTF \objdata at offset 0x32C8 3629 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.