Malicious RTF — malware analysis report

Static analysis result for SHA-256 4ab7acca13393624…

MALICIOUS

RTF

7.9 KB First seen: 2020-12-28
MD5: 4e5d9bc4eb8142d46c3f4d529e2bc1a4 SHA-1: 9d6407f700edd1127dee577b75a871773776f246 SHA-256: 4ab7acca13393624959277ad9d15dc8dfebf79f8b3e4b187f9cc029c270eafc5
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 3574 bytes
SHA-256: 8b295183706bf3bd1742583a10322dfedff17d2e7589f5d55666923562e70671