Malicious Office (OLE) / .DOC — malware analysis report

Static analysis result for SHA-256 00121862d5519145…

MALICIOUS

Office (OLE) / .DOC

198.5 KB Created: 2020-10-21 13:40:00 Authoring application: Microsoft Office Word
MD5: c796deaff3d03b69e1b91382cee0b473 SHA-1: 5122b0eb44077432f8438d454fe34709db686ecf SHA-256: 00121862d5519145af1bd9333cebd569ac5843527b581dedcb4505cbd9488c0c
202 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1059.001 PowerShell T1204.002 Malicious File

The sample contains a VBA macro that is automatically executed upon opening the document, indicated by the Document_Open heuristic. This macro utilizes CreateObject to likely download and execute a secondary payload. The ClamAV detection name 'Doc.Dropper.EmotetiBlueUpdate1020-9780531-0' further supports its role as a dropper.

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
95eb3c5d035a5c49033717199bc50764986e3b5ab99bba0bc56e259ec5a3061f		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 23248 bytes

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