Malicious RTF — malware analysis report

Static analysis result for SHA-256 9e39ae7db5d7d4c2…

MALICIOUS

RTF

5.2 KB First seen: 2020-12-28
MD5: 639ebc48d233c168ea23a9a5be3e5073 SHA-1: bbf8b25c8623531b2d127528edfb6e79a8a98f25 SHA-256: 9e39ae7db5d7d4c263ae3602ba77922bfaa1d6b7d334d087b58001371a758a44
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 2376 bytes
SHA-256: ef42e35c9a854209bb3c4a47cdabb111a32c3b79ae6e23b7930753b23ca68337

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