Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 0923b2812da72c87…

MALICIOUS

Office (OLE) / .DOCX

189.0 KB Created: 2020-10-21 20:47:00 Authoring application: Microsoft Office Word
MD5: 126f59069accefccd7e437a1e0de1af0 SHA-1: 0d9f63000a2fd2c97cf0ce8fdda0f9906e0bfd2b SHA-256: 0923b2812da72c87a2b0f3220f7acbcf86b645f91404486bfe51591cd73f9566
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, indicating an attempt to execute arbitrary code. ClamAV detection identifies it as Emotet, a known banking trojan and information stealer. The obfuscated VBA code likely downloads and executes a secondary payload, a common Emotet tactic.

Heuristics 6

  • ClamAV: Doc.Dropper.EmotetiBlueUpdate1020-9780531-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Dropper.EmotetiBlueUpdate1020-9780531-0
  • 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
de68eb219c86c839b194b174abd2b170f818ab76547e269289797596310c601e		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 23214 bytes

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