Malicious RTF — malware analysis report

Static analysis result for SHA-256 c514d8a9b7de07ca…

MALICIOUS

RTF

150.7 KB
MD5: 7707a6768d0c779b17630bb70743f713 SHA-1: e6371fecf877b3fb65bb9cc9d22f412d3a4de61a SHA-256: c514d8a9b7de07ca440f861ea4ae9dacc1482e0eb91fbb0db044b86bf67032f9
100 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 the execution of arbitrary code, indicating a malicious intent to compromise the system.

Heuristics 3

  • 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

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
objdata_00_off00002334.bin
64381c8e2baa5a74bafb146d58a832e99f24b95c9071bc9cd94871f04ad4b2b6		 rtf-objdata-decoded RTF \objdata at offset 0x2334 28447 bytes

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