Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 e69fa6261d03b8fe…

MALICIOUS

RTF / .DOC

79.1 KB
MD5: aee841a4e70cc800f20f8d66fca70ad5 SHA-1: 43b600501c03011af1df9261c37e1b3fde3e5ff9 SHA-256: e69fa6261d03b8fefa9a184f07e486a8a810ba628bdceced8bb9ae563ed7827f
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious File

The RTF document contains embedded OLE objects that are automatically linked and updated, indicating an attempt to execute embedded content. The heuristics RTF_OBJDATA, RTF_OBJAUTLINK, and RTF_OBJUPDATE strongly suggest that the document is designed to exploit OLE object vulnerabilities to deliver a malicious payload. No specific malware family could be identified.

Heuristics 3

  • Automatically linked OLE object high RTF_OBJAUTLINK
    RTF contains \objautlink — an automatically linked OLE object surface that can be updated or activated when Word opens the document.
  • \objupdate forces OLE activation high RTF_OBJUPDATE
    RTF contains \objupdate — forces automatic OLE object instantiation when the document is opened, bypassing user interaction. Almost exclusively seen in Equation Editor exploit documents.
  • OLE object data medium RTF_OBJDATA
    RTF contains 1 \objdata section(s) — embedded OLE objects

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
objdata_00_off0000109e.bin
38e504cb7a42d5a7d7a81b615b891c20583483cea64f9fb9787e3e4bc4306d91
rtf-objdata-decoded RTF \objdata at offset 0x109E 4258 bytes