Emotet — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 0f81f4eb37083c82…

MALICIOUS

Office (OLE) / .DOC

118.4 KB Created: 2020-11-04 10:21:00 Authoring application: Microsoft Office Word
MD5: 29584bef6e963b191cb0a900a75585db SHA-1: 3c298a6f35cfdf61fc271a8cad59ea84b827335f SHA-256: 0f81f4eb37083c821598ffd57cff12a082f19ca2de57c86faff65755ef332686
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample contains VBA macros, specifically a Document_Open macro that utilizes CreateObject, a common technique for executing malicious code. ClamAV detection identifies it as Emotet, a known downloader. The macro's intent is to download and execute a second-stage payload, consistent with Emotet's behavior.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-10024800-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-10024800-0
  • 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
916148eed1ed504993681d48da5749a84122f9da370433b9093f94470d772bdf		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 12500 bytes

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