Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 0a6b0fd0fc6f1bc3…

MALICIOUS

Office (OLE) / .DOCX

151.8 KB Created: 2020-10-01 07:06:00 Authoring application: Microsoft Office Word
MD5: 55a5b1e8b8863842f472926f4e960008 SHA-1: 0e778140eaa42508961776efbf0edc13dfdf5b60 SHA-256: 0a6b0fd0fc6f1bc3e7df7fda896d6534c42d76f7bbe939d7cf3d976fe79894fe
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1140 Deobfuscate/Decode Files or Information

The sample is identified as malicious by ClamAV with the signature 'Doc.Malware.Emotet-9770156-0', indicating a high likelihood of the Emotet family. The presence of a 'Document_Open' VBA macro that uses 'CreateObject' strongly suggests the execution of obfuscated code designed to download and run a second-stage payload. The VBA code itself is heavily obfuscated, making it difficult to determine the exact download URL or execution method without further dynamic analysis.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9770156-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9770156-0
  • 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
edcbc228f949e002f32423fcc2aae89e10357cf04ecc19d5df06e1df6cb28a25		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 10406 bytes

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