Malicious RTF — malware analysis report

Static analysis result for SHA-256 855e8230aeb8a6f6…

MALICIOUS

RTF

5.2 KB First seen: 2020-12-28
MD5: c49f0cb1a320a3c82c18f87acb14705b SHA-1: 6701fee9c6d4c08137f8d0332ac5f380e43472cf SHA-256: 855e8230aeb8a6f6558b532e56e7a746d1b731e54ec25997ddf9eca4104ac494
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 2376 bytes
SHA-256: ef42e35c9a854209bb3c4a47cdabb111a32c3b79ae6e23b7930753b23ca68337

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