Malicious RTF — malware analysis report

Static analysis result for SHA-256 44a5c3420e1580e0…

MALICIOUS

RTF

7.4 KB First seen: 2020-12-28
MD5: 479b5dde5268e8308d8245a41a8a5f2e SHA-1: 05daa98c8c9787f57ba770188f9cb1386d35c8ca SHA-256: 44a5c3420e1580e022ee97262e6e6f09e561195ad1e3604fe63f332380d00e35
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 3497 bytes
SHA-256: 8aebddc5ac2ffb30dd1c31cb6c2694ee646b4982d106ae5696d9ae17413e8a67

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