Emotet — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 72b13ceefe2ddaaa…

MALICIOUS

Office (OLE) / .DOC

162.4 KB Created: 2020-12-29 06:14:00 Authoring application: Microsoft Office Word
MD5: b457bd1afffd452070a7d16feebe56eb SHA-1: b3df57969e1e5d336459c7e5bbdc740b456abebf SHA-256: 72b13ceefe2ddaaab326b21531d8eddbf2b104a75367dd8befcf7c833094e5a0
202 Risk Score

Malware Insights

Emotet · confidence 95%

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

The sample is a malicious Office document containing VBA macros. The `Document_open` macro is executed upon opening, which uses `CreateObject` to likely download and execute a second-stage payload from the hardcoded file paths. The ClamAV detection and heuristic firings strongly indicate this is an Emotet downloader variant.

Heuristics 6

  • ClamAV: Doc.Downloader.EmotetRed02224-9938637-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.EmotetRed02224-9938637-0
  • 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
a222972dd5a39d787801522841d0a003fc096a026364298061f827e9c4b8e38c		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 8224 bytes

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