Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 6dd61c1c1722407d…

MALICIOUS

Office (OLE) / .DOCX

158.3 KB Created: 2021-01-12 22:19:00 Authoring application: Microsoft Office Word
MD5: 5f289e9a20f34b0d0cb748333a9f17a4 SHA-1: 9939aa7f0753486574febfb818bb1568aba4963b SHA-256: 6dd61c1c1722407d98c22ce2bcbf6c2b85714a23daff8c45d5ea2f52cac15e7b
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The sample is identified as malicious by ClamAV with a signature indicating it is an Emotet downloader. Heuristics confirm the presence of VBA macros, specifically a Document_Open macro that uses CreateObject, indicating it is designed to execute code. The macro's obfuscated nature and the presence of the Document_Open auto-execution suggest it attempts to download and run a secondary payload.

Heuristics 6

  • ClamAV: Doc.Downloader.EmotetRed02224-9938637-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.EmotetRed02224-9938637-0
  • 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
f080f423f3af32bf8c04d24f919af2345f2f15905193e2101e5f7b51599e8466		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 7512 bytes

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