Malicious RTF — malware analysis report

Static analysis result for SHA-256 a35199665c39e383…

MALICIOUS

RTF

7.4 KB First seen: 2020-12-28
MD5: d82a774e741134fbe7a11f066d2e9694 SHA-1: 788d8c5349f0d1be9c58a954c65f39eed04b9277 SHA-256: a35199665c39e383b70d71bd13bc7b985c5b62bf84b1422e0bb0d2c5bb17d985
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 3477 bytes
SHA-256: 182c64e146a3a4551fbaf79ffc5d9622b065cdf54492794bf3c2ce8f7508d741

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