Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 78703ab7a422f686…

MALICIOUS

Office (OLE) / .DOCX

219.5 KB Created: 2020-10-28 06:34:00 Authoring application: Microsoft Office Word
MD5: 3aed2af9b66141d0fd27224917c86c87 SHA-1: d699015f72f4c1d667fd75db18d8eaca0a95e912 SHA-256: 78703ab7a422f6861a6e1d2af5d2553a692df56063e650ac60a70322b1550742
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1140 Deobfuscate/Decode Files or Information

The sample contains VBA macros, specifically a "Document_Open" macro that utilizes CreateObject, indicating malicious intent. ClamAV detection confirms this as Emotet. The obfuscated VBA code likely attempts to deobfuscate and execute a payload, possibly by downloading it from a remote source.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9784450-1 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9784450-1
  • 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
5c8508b4422f9cf9f0517311e463bebb8a10b40538c4b01e1d12399253dacfe3		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 16608 bytes

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