Malicious RTF — malware analysis report

Static analysis result for SHA-256 5d86ea2aec1a12e0…

MALICIOUS

RTF

5.2 KB First seen: 2020-12-28
MD5: a318e1f8a2d1ae15ccb6e0c38360b27f SHA-1: 6584e33a7a7640eabdad7118d09cdd5bd2406255 SHA-256: 5d86ea2aec1a12e006def8eac4a667f73e3a047cb2b02cd90dfcb19ab4178fb9
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 2378 bytes
SHA-256: afcbe76b5e890a6c53fb6e9e05c132f50b4d7950bd46ca78f87cede5f0b1c126

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