Malicious RTF — malware analysis report

Static analysis result for SHA-256 8d859a5add9959bf…

MALICIOUS

RTF

5.3 KB First seen: 2020-12-28
MD5: 298ae29b1a7e3adb17fb3bf79af6a673 SHA-1: f26a09d876fbe844336a40bdb9bf54525d499720 SHA-256: 8d859a5add9959bf8d760e8d6e187e8c9f3b23b4c1e2b7795b79eab528f3ae7c
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 2416 bytes
SHA-256: 7fa632b19285e6c13e8cf4dccf07b0375af4166daf641234c44df979142042c9

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