Malicious RTF — malware analysis report

Static analysis result for SHA-256 b8a7875e208990cc…

MALICIOUS

RTF

5.5 KB First seen: 2020-12-28
MD5: 4f2376a4c4cd33c2b64736ccb9227950 SHA-1: f9a53c9b57db174c222771c89aa243d83793b532 SHA-256: b8a7875e208990cc149a4eb8ee5c78e1c3f7e8f63d49f3e3c23985165b815ad6
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 2377 bytes
SHA-256: 6a995a74d2e890517f183f09aac7946dfba99b31eaecf0f978d3c97539b511c9

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