Emotet — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 75531f65c3988bb5…

MALICIOUS

Office (OLE) / .DOC

252.2 KB Created: 2020-01-17 07:06:00 Authoring application: Microsoft Office Word
MD5: ddad533686f0f3ab79d035697800a693 SHA-1: 73197f219b211d1da81c657bebd9d5e7a701b1ce SHA-256: 75531f65c3988bb542828939f328dc572429bac0a0adcfbd6b81367b670055ff
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample is identified as malicious by ClamAV with the signature 'Doc.Dropper.Emotet-7544766-0', indicating it's a known Emotet dropper. The presence of a 'Document_Open' VBA macro, which is designed to execute automatically when the document is opened, strongly suggests an attempt to initiate malicious activity. This macro likely serves to download and execute a secondary payload, a common tactic for Emotet.

Heuristics 6

  • ClamAV: Doc.Dropper.Emotet-7544766-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Dropper.Emotet-7544766-0
  • Document_Open macro high OLE_VBA_DOCOPEN
    Document_Open macro
  • GetObject call high OLE_VBA_GETOBJ
    GetObject 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
a4505d9aa099025ee94bf9c9577d50ea15859cdc5bb7868a58be88c1b6831ca1		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 7882 bytes

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