Malicious RTF — malware analysis report

Static analysis result for SHA-256 a769aaf911b30f39…

MALICIOUS

RTF

8.0 KB First seen: 2020-12-28
MD5: 4374cbc7adbb5c29fa357744c49e573b SHA-1: 6af5eea26b8ffe7b472c26e1375808f9f4215389 SHA-256: a769aaf911b30f39ba8c0bcfb7f09161cdfea29f2608cdbf2a76753448f6665e
100 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The RTF file contains an embedded OLE object that leverages a known vulnerability in Microsoft Equation Editor. This technique is commonly used to deliver a malicious payload, leading to arbitrary code execution on the victim's system. No specific family could be identified from the available evidence.

Heuristics 3

  • Equation Editor CLSID critical CVE likely 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_off000001c9.bin rtf-objdata-decoded RTF \objdata at offset 0x1C9 3579 bytes
SHA-256: 86827e917d0e53916da4db6dc32df7eb8feb0e6e8f8ae2f220e82de99a398a09