Malicious RTF — malware analysis report

Static analysis result for SHA-256 a255b241a123825f…

MALICIOUS

RTF

7.3 KB First seen: 2020-12-28
MD5: 453d26b0c8163a9f071f418bd6a8e9e0 SHA-1: 2daafe150e2fa2ced0a40cb44c68870f42dc7d8d SHA-256: a255b241a123825f73e5f02439edc32e985b39cb40f1672dae02f902d26d37c2
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 achieve arbitrary code execution on the victim's machine. The specific exploit targets the Equation Editor component, indicating a likely attempt to deliver a secondary payload.

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_off00000095.bin rtf-objdata-decoded RTF \objdata at offset 0x95 2083 bytes
SHA-256: 97f7375e32ac71b6b1a0ec48696f2dfab79a9789286e15d72c923f00e6387893

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