Malicious RTF — malware analysis report

Static analysis result for SHA-256 2c8aa82579e9af6b…

MALICIOUS

RTF

9.1 KB First seen: 2020-12-28
MD5: 4f22a0bf3a405970f67d8ea848c75a39 SHA-1: 208751d20d85f11c82ff2c887efd9cfde7adc9c3 SHA-256: 2c8aa82579e9af6b962abecce7499a878a4c6e65fc9edf003d8be1f3298900aa
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 3562 bytes
SHA-256: 2eb30f7dc9da8d4844b1bbe70cd9b21a57c94ae842711045e90fb92bfdf9b49b

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