Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 052aafb0277002b0…

MALICIOUS

RTF / .DOC

16.2 KB
MD5: d42ac87bdb9efb3685b72e294ce7d3a6 SHA-1: 2ce93a4d754c98d904c0aeb0e9ae61fe486bee00 SHA-256: 052aafb0277002b0fbfa455c8a1f8315c3514387380a87b62f31ceea904adc19
60 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The RTF document contains OLE object data and uses an \objupdate directive, indicating an attempt to exploit a vulnerability related to OLE object activation. This suggests the file is designed to execute arbitrary code upon opening, likely as a spearphishing attachment. No specific family could be identified.

Heuristics 2

  • \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 2 \objdata section(s) — embedded OLE objects

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
objdata_00_off00001596.bin
68887e7cf8d803d7bcaef615868401f1b6ccaa0c889d55004725544f1ac3afcd
rtf-objdata-decoded RTF \objdata at offset 0x1596 1370 bytes