Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 0ea01c57af4d22f1…

MALICIOUS

Office (OLE) / .DOCX

191.4 KB Created: 2020-10-01 23:03:00 Authoring application: Microsoft Office Word
MD5: 10b8d47b7ed3920188f169cacd3bb606 SHA-1: f812df449e1f3fbf94a184f0b1d0358369877d33 SHA-256: 0ea01c57af4d22f1d642786b3fe78a388596d5767f68a9b07cf27e8fd918fe30
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The file is identified as malicious by ClamAV with the signature 'Doc.Downloader.EmotetRed02224-9938637-0', indicating a downloader. The presence of a Document_Open VBA macro and a CreateObject call strongly suggests that the macro is designed to execute code upon opening the document. This macro functionality is characteristic of Emotet malware, which often uses such methods to download and install further malicious components.

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
6e0386e028be270039c4fe002fdf7015e999e4b27f1ccfca8c4209474f6ee6f3		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 10412 bytes

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