Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 06a653b04e53699e…

MALICIOUS

Office (OLE) / .DOCX

166.3 KB Created: 2020-09-24 20:34:00 Authoring application: Microsoft Office Word
MD5: 95a5d98abe305c2b6eef08c5c0c84706 SHA-1: 0a55f5ea368603ad94690841d3b5d023fbb4066a SHA-256: 06a653b04e53699e0bac02dbe61bdb1f7e6510d7121a48bbee16cd6dc6c43ddf
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1204.002 Malicious File T1566.001 Spearphishing Attachment

The sample contains VBA macros, including a Document_Open auto-execution macro, which is a common technique for Emotet. The macros utilize CreateObject to execute a PowerShell command. The obfuscated document body text appears to be an attempt to disguise the malicious intent, likely by embedding encoded commands or URLs. The ClamAV detection explicitly identifies this as Emotet, a downloader family.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9765780-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9765780-0
  • Document_Open macro high OLE_VBA_DOCOPEN
    Document_Open macro
  • CreateObject call high OLE_VBA_CREATEOBJ
    CreateObject call
  • VBA p-code auto-exec with execution tokens high OLE_VBA_PCODE_AUTOEXEC_EXEC
    Compiled VBA/cache stream contains an auto-execution token together with shell/download/object-execution tokens. This catches p-code-only or source-extraction-failure macro documents where visible source is unavailable.
  • VBA macros detected medium OLE_VBA_MACROS
    Document contains VBA macro code
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://schemas.openxmlformats.org/drawingml/2006/main

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
20065c1f06a22de094d8fc279802a5adedc919206be7ae0d9cd9ee9d315ea30b		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 25868 bytes

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