Emotet — Office (OLE) malware analysis

Static analysis result for SHA-256 050b38c2cf415a2d…

MALICIOUS

Office (OLE)

156.2 KB Created: 2020-09-14 22:30:00 Authoring application: Microsoft Office Word
MD5: 0095158b8a5a8d89dcee97dbaf6fd073 SHA-1: d8742ecbb3c14c8443e3e9d646531333103cd8e4 SHA-256: 050b38c2cf415a2d1bd35c50f3feddf8f15a5279fcefb35883766da169c87c01
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1204.002 Malicious File

The file is identified as malicious by ClamAV with a specific Emotet signature. High-severity heuristics indicate the presence of VBA macros, specifically a Document_Open auto-execution macro that uses CreateObject. This suggests the macro is designed to download and execute a second-stage payload, a common Emotet behavior. The embedded URL is benign and likely a false positive.

Heuristics 6

  • ClamAV: Doc.Malware.Emotet-9762395-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9762395-0
  • 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
52e73c091f55432254cc001aa79ef5320e8222785e35361d8b9c34d1d7c1b011		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 18535 bytes

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