Malicious RTF — malware analysis report

Static analysis result for SHA-256 645f3c0c5ba687c8…

MALICIOUS

RTF

8.0 KB First seen: 2020-12-28
MD5: 3a6861f4eac40bb3b3bfac6200ac6438 SHA-1: 6bdba961b11e0708221dac2254feec179206b02f SHA-256: 645f3c0c5ba687c81e43fbb3b9a0020263ae985d447956234f0f15452affd305
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 3576 bytes
SHA-256: 5581c4f9037945f985f79849c55c1534d64b8a59fb5c58de93d5c0a7ab25a454

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