Malicious RTF — malware analysis report

Static analysis result for SHA-256 e2a41491b869328d…

MALICIOUS

RTF

113.0 KB Created: 2021-07-16 07:42:00
MD5: 6c147e5dc099fa22421e5f5e07161da1 SHA-1: e34fb750daa25f3475578e9c8c25764732e3808a SHA-256: e2a41491b869328d6bbce2b697ad4995d189ae5566a079e9c90d1be81bb285de
102 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The RTF document 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 user's system. No document body or script content was available for further analysis.

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_off000032b9.bin
8b33b708113639bab48460dc6a39fc293380527983a5d9d80138226fcb5c3cf0		 rtf-objdata-decoded RTF \objdata at offset 0x32B9 3629 bytes

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