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

Static analysis result for SHA-256 62e92790720c6cf1…

MALICIOUS

Office (OLE) / .DOCX

208.3 KB Created: 2020-10-30 08:52:00 Authoring application: Microsoft Office Word
MD5: 2c1f1575cde1e2dac5bac39c4dde3d69 SHA-1: ca40138edc8da170137f7099585db30b95a14ca4 SHA-256: 62e92790720c6cf121c1e66eed666b568887fe5ea5c64462c9b1d7996d607b83
202 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The sample contains VBA macros, specifically a Document_Open macro that utilizes CreateObject, indicating an attempt to execute code. ClamAV identifies this as a downloader, likely Emotet, which is known for its macro-based delivery. The presence of obfuscated VBA code and the high heuristic scores for macro execution strongly suggest this document is a malicious loader.

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
3b4c2a22d0b516cd2d6141ac35df0fe0efc5e56c8812d3fa768461278bc89f15		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 17545 bytes

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