Emotet — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 0f254a04303e1e2a…

MALICIOUS

Office (OLE) / .DOC

189.5 KB Created: 2020-10-21 08:44:00 Authoring application: Microsoft Office Word
MD5: c013bfbc2e4d3f951a6d177a2e5bfedb SHA-1: 9be0cb973df41b532a93338aaa863af1ab219334 SHA-256: 0f254a04303e1e2af66659268b48d1e2617f5df9e21817a71a886128d221738b
202 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1105 Ingress Tool Transfer

The sample is a malicious Office document containing VBA macros, specifically a Document_Open macro that uses CreateObject to execute code. ClamAV identifies it as 'Doc.Dropper.EmotetiBlueUpdate1020-9780531-0', strongly suggesting Emotet. The VBA script, though obfuscated, indicates the execution of a dropped payload, consistent with Emotet's typical behavior of downloading and running further malware.

Heuristics 6

  • ClamAV: Doc.Dropper.EmotetiBlueUpdate1020-9780531-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Dropper.EmotetiBlueUpdate1020-9780531-0
  • 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
1495f7c7ced0d5d67a50de030db1d404fcece38568f93b06e33d3100a17ee340		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 20761 bytes

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