Malicious RTF — malware analysis report

Static analysis result for SHA-256 1b3d5e43a0259520…

MALICIOUS

RTF

7.8 KB First seen: 2020-12-28
MD5: 4312eb8d713e15c29b76f82a3690b3e9 SHA-1: ddd790db84a9e7360a59023730d95df2529862d2 SHA-256: 1b3d5e43a02595205a8ecd18f8f32c8de829510158ee5f1035275d4831dc81b2
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 3564 bytes
SHA-256: 0375312ab81edcc297465dda06cd22e6a3372eee01193b7bac09ecab4987d491

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