Emotet — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 6aa6dd4f298a8a76…

MALICIOUS

Office (OLE) / .DOC

127.7 KB Created: 2020-10-14 07:17:00 Authoring application: Microsoft Office Word
MD5: 57fcbebe474659a8342fefd97d09fbc6 SHA-1: f2fc92e642bdac7c8d4f0f09d88a03742f77da68 SHA-256: 6aa6dd4f298a8a76d5fab78b73d4f6cad58a2433dfea5cc8c73e6843beb55fb2
202 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 is identified as malicious by ClamAV with the signature 'Doc.Dropper.Emotet-9777979-0'. Static analysis reveals a VBA macro within the 'Document_open' subroutine that utilizes 'CreateObject' to execute code. This pattern is characteristic of Emotet droppers, which typically download and execute further malicious payloads. The presence of obfuscated VBA code and the 'CreateObject' call strongly suggest a malicious intent to download and run a second-stage payload.

Heuristics 6

  • ClamAV: Doc.Dropper.Emotet-9777979-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Dropper.Emotet-9777979-0
  • 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
965146e7315f1a4ecc1a5d2fad03014e17bc883ca167a6078bfa90d897ebefad		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 9248 bytes

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