Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 055f997b54c9f0fe…

MALICIOUS

Office (OLE) / .DOCX

183.9 KB Created: 2020-12-23 07:47:00 Authoring application: Microsoft Office Word
MD5: 147d90d2a2b4134be7a6c39e84dfdf75 SHA-1: e138288b0ea7871240ce89c1290c2f670f90d29d SHA-256: 055f997b54c9f0fe5ab2c07849d8e88daae0adb0ff26458d823b6f7413f3ac72
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample contains VBA macros, including a Document_Open macro that executes CreateObject, indicative of Emotet malware. The ClamAV detection name further supports this family attribution. The obfuscated document body text suggests an attempt to disguise the malicious nature of the document, likely to lure the user into enabling macros.

Heuristics 6

  • 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
  • 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
d5578521430d19d3e1a741e6facd5db8ed236e25c6fc3d692889ddd7a6d225bf		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 8783 bytes

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