Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 bcbb68993934db4a…

MALICIOUS

RTF / .DOC

6.6 KB First seen: 2023-06-01
MD5: ce0292cfe7334d86bccaa18f7f387da2 SHA-1: be999350d3e054ada2472dc1ac456e16602d1e75 SHA-256: bcbb68993934db4a696de9bcb0d01151acd891262cb9e511fdc1dc3978a1d615
100 Risk Score

Malware Insights

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

The RTF document contains OLE object data and is configured to automatically update and activate these objects upon opening. This suggests an attempt to exploit OLE vulnerabilities or deliver a malicious payload through embedded objects. No specific family could be identified, and the document body was truncated, limiting further analysis of the intended lure.

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_off000009de.bin
9b46edb88ace07bb2f646e13e0f2886227ce808c48565207c18a3cf445eea03e
rtf-objdata-decoded RTF \objdata at offset 0x9DE 2061 bytes