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

Static analysis result for SHA-256 5cad100b8e9817fc…

MALICIOUS

Office (OLE) / .DOCX

157.5 KB Created: 2020-12-30 07:47:00 Authoring application: Microsoft Office Word
MD5: 9576626f10e9f3f26788b625f9d649a0 SHA-1: befac0d396507c9e73681a203a226d3a2fd96040 SHA-256: 5cad100b8e9817fc2b099dcd77508d21aa32bb1f78e6bc1d844ebe30b6797bec
202 Risk Score

Malware Insights

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

The sample contains a VBA macro that executes upon opening the document, as indicated by the Document_Open heuristic. This macro utilizes CreateObject to interact with the file system, attempting to create and write to several files with suspicious paths and names. The ClamAV detection as 'Doc.Downloader' strongly suggests the macro's purpose is to download and execute a secondary payload, aligning with Ingress Tool Transfer (T1105).

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
9bf607663b8a2bf6d5409ee86f6e92f88c816fbcbd12854fba6197389a76ce81		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 6567 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.