Malicious RTF — malware analysis report

Static analysis result for SHA-256 fa22683505b3a2ef…

MALICIOUS

RTF

7.8 KB First seen: 2020-12-28
MD5: 9513ba736d2c9a50ab8f0147cf7c2d49 SHA-1: 1dd34fcaf7fb9e9a2ea89567234994054d7c41a1 SHA-256: fa22683505b3a2efa9b133fa0569b380d41d77e747ca238d956d5481f7cdeb0f
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 3563 bytes
SHA-256: a82ecee3577aae68ca4f2fc4ac8c7e930452c7a90ca0fc53affaa5321aa8ef24

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