Malicious RTF — malware analysis report

Static analysis result for SHA-256 69876b3aca8f890d…

MALICIOUS

RTF

5.6 KB First seen: 2020-12-28
MD5: 4fbb1891bc96f4c25e6a11780e4acb41 SHA-1: 2e23684b742ec62c55dc1279217869edffc04138 SHA-256: 69876b3aca8f890d52876ccfb1ef7e69745d5f63529bb24a8eeee0f7ae4823b4
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 2377 bytes
SHA-256: 6a995a74d2e890517f183f09aac7946dfba99b31eaecf0f978d3c97539b511c9