Malicious RTF — malware analysis report

Static analysis result for SHA-256 cf1a491c511d526e…

MALICIOUS

RTF

7.9 KB First seen: 2020-12-28
MD5: 4ad3cdba2a6401fddd2f0eedb1b6e54b SHA-1: fba8df3df8243feb5f39084e67fc05757e02fe37 SHA-256: cf1a491c511d526e0e0147248514ee133cadb1d824fb013f984e834b2255642c
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 3567 bytes
SHA-256: d8a116bc968e836fb7c61a16fbb310f50ac8f7d3dc0ce785e43e5573ff1c0508

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