Malicious RTF — malware analysis report

Static analysis result for SHA-256 784a6050da633010…

MALICIOUS

RTF

71.9 KB
MD5: f8f6aabc3440bf30a1c680869b7029eb SHA-1: 4f9f3de2883b2ce8b7e4a683b92ac76a3be0ecb6 SHA-256: 784a6050da633010bd79527735bcc3ed8ae3d31dbc71441dfe29f73d0a5a4cfc
160 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 user's system.

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.
  • Equation Editor CLSID critical 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_off0000010b.bin
5edb9282106ef5880f15b5cae3f432e77e4edc46359977859213e8ce9cf9971f		 rtf-objdata-decoded RTF \objdata at offset 0x10B 3631 bytes

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