Malicious RTF — malware analysis report

Static analysis result for SHA-256 573d4ba57734dc7b…

MALICIOUS

RTF

7.9 KB First seen: 2020-12-28
MD5: 2eeffa71120bdc54d9f832487d5963d4 SHA-1: bc02f6acef96af3a570ba0fd8952ab88b57c70dd SHA-256: 573d4ba57734dc7bf6fcdf69715c9ce1098f928605f8464cf6b1a32021be5e1f
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: 9af31e7ec41086c2797837b2fcd98ddcd3c8d81567a972cfdeabd227745a906c