Malicious RTF — malware analysis report

Static analysis result for SHA-256 b01b4efd4c376ba1…

MALICIOUS

RTF

7.8 KB First seen: 2020-12-28
MD5: 8092886eaa9de4dcce9da012c7547fba SHA-1: 2934b887d04db1b4fb3e19bdff6e12ecd3aa69d8 SHA-256: b01b4efd4c376ba192f49cdbce19690f0fb4b5f63b8f2b15f96f00ded8c433f3
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 3569 bytes
SHA-256: e280368e21cca2603134c7de44745418d2e760783baf0692cc4193a96e96d3f3

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