Emotet — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 0c63b67a7aa7b6d2…

MALICIOUS

Office (OLE) / .DOC

132.6 KB Created: 2020-09-29 04:17:00 Authoring application: Microsoft Office Word
MD5: bb9414b8e9cb03cafa42746756a7794a SHA-1: 51894ae5188a9eb635bc9eaa841ad2e2f2025066 SHA-256: 0c63b67a7aa7b6d2e3526f38b8c57b3e9d1cb2713b57b8b99b2ba2edb104f498
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample contains a Document_Open VBA macro that utilizes CreateObject to execute obfuscated code. This macro is designed to download and execute a second-stage payload, a common characteristic of Emotet. The ClamAV detection further supports this classification. The embedded URL, while benign, is noted.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9769095-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9769095-0
  • 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
d04833e53843bfcf6544d888c124f488e78f247212586680bbec5bbafe93c514		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 6702 bytes

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