Malicious RTF — malware analysis report

Static analysis result for SHA-256 4967b442279f55ef…

MALICIOUS

RTF

8.1 KB First seen: 2020-12-28
MD5: a3c4ea674fa360994559e5a10bc21c66 SHA-1: 6fa54e5158f059d1a1711c58fd95de5d8530c743 SHA-256: 4967b442279f55ef288e51a0b62beb027b2eb573dc9dfdcda2a5b3bd77fb7b8a
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 3605 bytes
SHA-256: c4699a43eb90a32660f696631cad35becb2f7855a2bdb61b881a583be32d2567

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