Emotet — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 0463ae4b163f2bbb…

MALICIOUS

Office (OLE) / .DOC

172.7 KB Created: 2020-09-22 22:41:00 Authoring application: Microsoft Office Word
MD5: c0994f12300793eae74062440034e784 SHA-1: 9ddfaa1a80cbdae0508c7b7bd7389ebba2dd93ac SHA-256: 0463ae4b163f2bbbd52b761a53bcfafc9eae5884c6c5cb40d163adcf2dec5656
242 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample contains VBA macros, specifically a Document_Open macro that utilizes CreateObject and GetObject calls. ClamAV identifies this as Doc.Downloader.Emotet-9765458-0, strongly suggesting Emotet family involvement. The VBA code appears to be obfuscated but the presence of these functions and the ClamAV signature indicate the macro's purpose is to download and execute a secondary payload.

Heuristics 7

  • ClamAV: Doc.Downloader.Emotet-9765458-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Emotet-9765458-0
  • Document_Open macro high OLE_VBA_DOCOPEN
    Document_Open macro
  • CreateObject call high OLE_VBA_CREATEOBJ
    CreateObject call
  • 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
d7a7a6c735f5c96696aaa87436c051b7ad4b34762239608b32d32a219302890d		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 20647 bytes

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