Malicious RTF — malware analysis report

Static analysis result for SHA-256 babd92b814dbfa0e…

MALICIOUS

RTF

99.7 KB
MD5: dbf57194d8c20bbe0875d2658af7b5f8 SHA-1: b49a330a3f096374fdf94ef881ce172003bf87d5 SHA-256: babd92b814dbfa0ecec439abc3786acf4fd509bc4835e98b8d781ec101e16b22
100 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The RTF file contains an embedded OLE object that triggers a critical vulnerability in Microsoft Equation Editor (CVE-2017-11882). This vulnerability allows for the execution of arbitrary code, indicating a likely exploit attempt. No further payloads or network indicators were extracted from this specific file.

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_off00002387.bin
e02e923c5df93de9d548ed738a5125ec477dc0b0bd9be6b14ba58b320fda2be9		 rtf-objdata-decoded RTF \objdata at offset 0x2387 3631 bytes

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