Malicious RTF — malware analysis report

Static analysis result for SHA-256 a91a6349a4d25e6c…

MALICIOUS

RTF

7.9 KB First seen: 2020-12-28
MD5: 683a5fe15776f0d0540f8c7cb7c291d9 SHA-1: ed741c4d00ca098189e9ca426186ae30bc43931c SHA-256: a91a6349a4d25e6c03d6cdc7b9b1d551e5532a2596a19b721bea1526d8d5626d
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 3582 bytes
SHA-256: 591ae7774ed6f0cf29b0102d8207b4a54b760d518063eadf451c9cd1eaf132c9

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