Malicious RTF — malware analysis report

Static analysis result for SHA-256 d28cc3af14cf3d45…

MALICIOUS

RTF

8.0 KB First seen: 2020-12-28
MD5: 49064b8a125ccbbbf1497f114471be76 SHA-1: 2bad0f3801c35c9ddfb651c21da05f6403184d78 SHA-256: d28cc3af14cf3d454f404d4cb60f3fa5fbb3bdb0801b85c9d9fae24b863a5128
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 3573 bytes
SHA-256: 81436b4af701171e07ff6d3813d73720d99ac803e449e9db94b2e6a3d6fa8870

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