Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 0ee5fa94bd48ee39…

MALICIOUS

Office (OLE) / .DOCX

153.4 KB Created: 2020-10-19 09:55:00 Authoring application: Microsoft Office Word
MD5: d5c638b31f5b87690e28597b94ed0d18 SHA-1: 115a6216bf38b9dfb3fd91a892709aae8d61cc15 SHA-256: 0ee5fa94bd48ee39f185928f9d4e301487ee594eee70c2c0a794057627254bd4
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1105 Ingress Tool Transfer

The sample contains VBA macros, including a Document_Open macro, which is a common technique for Emotet. The ClamAV detection explicitly names Emotet. The macros likely download and execute a second-stage payload, as indicated by the CreateObject heuristic and the presence of obfuscated VBA code.

Heuristics 6

  • ClamAV: Doc.Downloader.Emotet-9780434-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9780434-0
  • 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
1480f6f3dc12ae5544443e21682a29de409fc914bcdbfb39f5c72e71174c3bfb		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 15487 bytes

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