Malicious RTF — malware analysis report

Static analysis result for SHA-256 8870298cfd501dbd…

MALICIOUS

RTF

7.9 KB First seen: 2020-12-28
MD5: adef8e789aa2e4f93840acf959ad8d51 SHA-1: 98564c7311b31dab974c2a1c244f0f8af22b1002 SHA-256: 8870298cfd501dbd3a1b0f985f61123766f69378065af498eb78fdf44163b971
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 3567 bytes
SHA-256: f6e433a6f2e2f18468495827e5c50e1e6e4a26a9d8a8da3e5677abc7d97509c6

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