Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 6512da0f704fb89d…

MALICIOUS

Office (OLE) / .DOCX

184.0 KB Created: 2020-10-27 09:55:00 Authoring application: Microsoft Office Word
MD5: 5d63050c129fae9cf73e5ec0ec258c9e SHA-1: 8af6be05800771999b6ac4675fdd96f99e43fbf5 SHA-256: 6512da0f704fb89d4a8ce055a88d766ec48ec1131286d971fef1f708277351aa
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1105 Ingress Tool Transfer

The file is identified as malicious by ClamAV with the signature 'Doc.Downloader.Emotet-9784225-0', indicating it's a downloader for the Emotet family. The presence of VBA macros, specifically a 'Document_Open' macro that uses 'CreateObject', strongly suggests the execution of malicious code. The script's obfuscated nature and the 'CreateObject' call point towards downloading and executing a secondary payload, a common tactic for Emotet.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9784225-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9784225-0
  • 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
d266e0e433b4f1ca206b8db182ee793bd3229a389f65ad6b52e9aace0436fd0a		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 15938 bytes

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