Malicious RTF — malware analysis report

Static analysis result for SHA-256 516262d8282b699d…

MALICIOUS

RTF

103.4 KB Created: 2021-07-16 07:42:00
MD5: ff628a839c786e579f7b2c0968457054 SHA-1: a573028aab115776aa38dc4c4ae06c9743e5714e SHA-256: 516262d8282b699d4af1fd649ffbac532217a8f0b97b5068969b6ceca420146f
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. This vulnerability allows for the execution of arbitrary code, indicating a malicious intent to compromise the user's system. No further stages or specific family indicators were identified.

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_off0000329a.bin
1722dab82639683db2540855f6d8d8f66279e8ddba63921b3b774c3e8d8a60f8		 rtf-objdata-decoded RTF \objdata at offset 0x329A 3631 bytes

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