Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 2f4171cfc5971f35…

MALICIOUS

RTF / .DOC

3.8 KB First seen: 2023-06-10
MD5: 8260a142d837087e03cba71982f804ae SHA-1: 66271bd906464959418e17e678ece7e839bfc231 SHA-256: 2f4171cfc5971f3543398c90536638eab70d61b510a521e06075b4296fbff077
100 Risk Score

Malware Insights

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

The RTF document contains OLE object data that is automatically linked and updated, indicating an attempt to exploit vulnerabilities associated with OLE object activation. This suggests a delivery mechanism for malicious content, likely to trick the user into executing an embedded payload.

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_off0000008d.bin
f563b233d53a6e4ebf6a10efda2e53d94402b9c4973d6a77ebec5cb37cd31e6d
rtf-objdata-decoded RTF \objdata at offset 0x8D 1817 bytes