Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 82886986ef5507c8…

MALICIOUS

Office (OLE) / .DOCX

155.5 KB Created: 2020-10-16 19:32:00 Authoring application: Microsoft Office Word
MD5: 51417a525a77f5b9c2fb22f1012661f6 SHA-1: 924f23ecb4bacb374740dca75745422e62cef6c6 SHA-256: 82886986ef5507c85b6e17a8904a70bb3b67212863f5f835fa7bc3392d070f80
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1059 Command and Scripting Interpreter T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV with a specific Emotet signature. It contains VBA macros, including a Document_Open macro and CreateObject calls, which are indicative of malicious execution. The VBA script is heavily obfuscated but its structure suggests it is designed to execute code, likely to download and run a secondary payload, aligning with Emotet's typical behavior.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9778628-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9778628-0
  • 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
d7b10db6ad3bff10dd176d31b83ada7ffa72a5d7b1b67bb513aee8ccfc4d5f3f		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 15292 bytes

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