Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 017fc73f9c9531b4…

MALICIOUS

Office (OLE) / .DOCX

168.5 KB Created: 2020-10-20 05:21:00 Authoring application: Microsoft Office Word
MD5: f1e77508a3f05bb59951aa3dd02fe765 SHA-1: 7dd948e6ce7021a067c374d22cc69936566546ac SHA-256: 017fc73f9c9531b47a5cd9cbd8d2a6fad7955f0261805a014edd913a56c0d9fb
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic for Applications T1059.001 PowerShell T1204.002 Malicious File

The sample was detected as malicious by ClamAV with the signature 'Doc.Downloader.Emotet-9780828-0', indicating a known Emotet downloader variant. The presence of a 'Document_Open' macro that uses 'CreateObject' strongly suggests the execution of malicious code upon opening the document. This macro likely initiates the download of a secondary payload, a common tactic for Emotet.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9780828-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9780828-0
  • 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
4588401bd42bd39b75b9dcc9e4ef6377522769140839001e1d2af1038d6019be		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 17619 bytes

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