Malicious RTF — malware analysis report

Static analysis result for SHA-256 ba94c7b1edd43778…

MALICIOUS

RTF

7.9 KB First seen: 2020-12-28
MD5: 966acdf0c8c30d3af9440d725a07ff1a SHA-1: 9c48b9fbe94a2fcb11c28eb1fe0bc2bd95276324 SHA-256: ba94c7b1edd43778d9b46bc2c69cca03c665fbb94c0a3fe06f024f15dd97f76d
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 3568 bytes
SHA-256: d7636be5cac176ba6c5a6183df392c5b0a8aa14e89c0180e84650b1b3d4e922a

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