Emotet — Office (OLE) / .DOCX malware analysis

Static analysis result for SHA-256 121bd8d7ccda2f94…

MALICIOUS

Office (OLE) / .DOCX

160.8 KB Created: 2020-12-28 20:57:00 Authoring application: Microsoft Office Word
MD5: d1a6a123d9ff1aafd977bb09270a83cd SHA-1: ab2ef8f1a486003fbc55f2e92d5bd4cbd9c44a3b SHA-256: 121bd8d7ccda2f94e1f34cfc9887b69f3e66d287cf16494e054b510366c9d5c2
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 auto-execution macro, which is a common technique for Emotet. The macro attempts to read from local file paths, suggesting it's designed to download and execute a secondary payload. The ClamAV detection also strongly indicates Emotet.

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
fc28b021e7c13690bd05b8fda29444b887d0bad8d106819ca318299d8abb8857		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 6085 bytes

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