Emotet — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 0ec5509d9500f97c…

MALICIOUS

Office (OLE) / .DOC

133.2 KB Created: 2020-10-14 07:01:00 Authoring application: Microsoft Office Word
MD5: 157b87288abcd380de0d1f7fc1106ea7 SHA-1: 9d4d6296f9da25469c95b7c27e64f7d53e5b5a18 SHA-256: 0ec5509d9500f97c0f17c191f853919e0ac2a740cb30c769c032866c0b8f8015
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1137.005 DLL Search Order Hijacking

The sample is identified as malicious by ClamAV with a specific Emotet signature. Static analysis reveals the presence of a Document_Open VBA macro, which is a common execution vector for Emotet. This macro utilizes CreateObject, a technique often employed to download and execute further malicious content. The obfuscated nature of the VBA code suggests an attempt to evade detection.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9777996-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9777996-0
  • 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
826434d3a30f8115a2b858063b6ee79ded3d3145d977887f7c2b014f2947746b		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 9581 bytes

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