Malicious RTF — malware analysis report

Static analysis result for SHA-256 f090132cc862a7fe…

MALICIOUS

RTF

7.4 KB First seen: 2020-12-28
MD5: ed3ce59793822618741da8ee036c87e8 SHA-1: 8941b85742b788a2da9d4faa95e2386b1240c1d6 SHA-256: f090132cc862a7fee0fe3d8b426f4e6d58e4444b9748c06a4aa53d252782f440
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 3497 bytes
SHA-256: 8aebddc5ac2ffb30dd1c31cb6c2694ee646b4982d106ae5696d9ae17413e8a67