Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 c7db51ec66f8a133…

MALICIOUS

RTF / .DOC

15.0 KB
MD5: c7df6146b5b3274f3cc2a29f9b4d2ec7 SHA-1: a87971296fd262b34ecdbaa21ae14bd001d6eeed SHA-256: c7db51ec66f8a133414738aea57ddaf1e53c1744cda6b778d6dab1650ccfa9e5
60 Risk Score

Malware Insights

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

The RTF document contains embedded OLE object data, indicated by the RTF_OBJDATA heuristic. The RTF_OBJUPDATE heuristic suggests that this object is designed to be activated, likely exploiting a vulnerability in Microsoft Office to execute code. The presence of OLE object data strongly implies an attempt to deliver a malicious payload, potentially for further system compromise.

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_off000009ae.bin
39c2b0e3e0eed9cfaebee33c10dbd4ac08993fe834b6f087cc5d47bb2ad64a3b
rtf-objdata-decoded RTF \objdata at offset 0x9AE 1733 bytes