Malicious RTF — malware analysis report

Static analysis result for SHA-256 5ab9bfb85c20f7f6…

MALICIOUS

RTF

7.9 KB First seen: 2020-12-28
MD5: 7232c19fcee8252c091e181712e48a39 SHA-1: cdc2eb734c3a945164f866478df3b9af65e67265 SHA-256: 5ab9bfb85c20f7f6658d1155a1194ecb0ee6306f5fca6d49ac1a326bb0cdca63
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 3582 bytes
SHA-256: 591ae7774ed6f0cf29b0102d8207b4a54b760d518063eadf451c9cd1eaf132c9

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