Malicious RTF — malware analysis report

Static analysis result for SHA-256 9a154b3ec2ca70f5…

MALICIOUS

RTF

7.9 KB First seen: 2020-12-28
MD5: f939e54a056a4e7d8a1294ae729c5969 SHA-1: ac4a17087004b14a9e6083a7d506d41a402ba710 SHA-256: 9a154b3ec2ca70f57fd925a08be47161a1d8ed950d9a6552760631d804f8029c
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 3551 bytes
SHA-256: d8e5fd006267f9e71cab31ac7dd1b716ce43032c12f69e32f534efedc015ece0

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