Malicious RTF — malware analysis report

Static analysis result for SHA-256 4b3171893779b8b3…

MALICIOUS

RTF

10.3 KB First seen: 2020-12-28
MD5: 59b62ea9ab2e3c662af9d89ab163c727 SHA-1: 17cfe355f717fd48719f1277a41ca2a8c9006d1e SHA-256: 4b3171893779b8b32941167f9271be584739ef7793c1c45f8083b3423bc708fd
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 3562 bytes
SHA-256: 2eb30f7dc9da8d4844b1bbe70cd9b21a57c94ae842711045e90fb92bfdf9b49b

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