Malicious RTF — malware analysis report

Static analysis result for SHA-256 7f436ffc17a4443e…

MALICIOUS

RTF

7.4 KB First seen: 2020-12-28
MD5: f3b1eded7af597617fe56f83b9d507b6 SHA-1: 0535d8e17040bdd7d1701b7e29ac88a02704ff5a SHA-256: 7f436ffc17a4443ed2625a4f92bab9f60849aa143454cf0a2c4c482e4cf05ef9
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 3499 bytes
SHA-256: 87b6214ba4d82254895a024ee3c1b43d89208248b2ba6a732397ca7671b648ae

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