Emotet — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 647179cdbeab69ec…

MALICIOUS

Office (OLE) / .DOC

251.8 KB Created: 2020-09-17 19:06:00 Authoring application: Microsoft Office Word
MD5: 388f14ac4ce0ff1a4a4d9fab23c0f734 SHA-1: f5944e15e3aaf94860e441850cd431bfcb2b8d40 SHA-256: 647179cdbeab69ec354c8f6763c4db7d70e28e7637f6c39589a547915dc1f347
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample is a malicious Microsoft Word document containing VBA macros. The 'Document_Open' macro is present and configured to execute upon opening, indicating an attempt to automate malicious actions. The presence of 'CreateObject' and p-code execution further suggests the macro is designed to download and execute a secondary payload, consistent with Emotet's typical behavior. ClamAV detection also confirms its malicious nature.

Heuristics 6

  • ClamAV: Doc.Downloader.EmotetRed02226-9938639-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.EmotetRed02226-9938639-0
  • 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
f3e5512d27b8b9bc41f3042e7c20b3a4762b4069585ccb21c6a950e8fd05377a		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 21986 bytes

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