Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 671e26e0fa11ef3f…

MALICIOUS

Office (OLE) / .DOCX

209.2 KB Created: 2020-10-30 18:34:00 Authoring application: Microsoft Office Word
MD5: 99ad47d9626ca9d6128c0531294e375a SHA-1: dbc4cd67e02bbb1558cf4fe21a583d825ce558f3 SHA-256: 671e26e0fa11ef3f79a1e82d9502f52e6ff36cbbe13391b179af28c34af53823
210 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The sample contains VBA macros, specifically a "Document_Open" macro that executes obfuscated code. This code utilizes `CreateObject`, a common technique for downloading and executing further payloads. The ClamAV detection name "Doc.Downloader.EmotetRed02224-9938637-0" strongly suggests an Emotet family downloader.

Heuristics 7

  • ClamAV: Doc.Downloader.EmotetRed02224-9938637-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.EmotetRed02224-9938637-0
  • 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
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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
035247075e717030c87eb1e7a35ad2ad2c8145cc7110257c5be024c0ffb99fb6		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 17340 bytes

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