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

Static analysis result for SHA-256 0e0a08de03d41f50…

MALICIOUS

Office (OLE) / .DOCX

133.0 KB Created: 2022-02-10 21:54:00 Authoring application: Microsoft Office Word
MD5: 7d3da29e9ccc6f55bd6395b6daacd94e SHA-1: 0c20c23902306603410f862592170fd4f8aa031f SHA-256: 0e0a08de03d41f509c120740b226df0247a36c1b5fcdf70dbe31e35ad1f7d20a
222 Risk Score

Malware Insights

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

The sample contains VBA macros that utilize WScript.Shell to create and write a VBScript file to the temporary directory. This script is designed to download a DLL payload from a hardcoded URL, which is then written to the temporary directory. The use of WScript.Shell and the creation of executable files indicate a clear intent to download and execute a second-stage payload.

Heuristics 6

  • Shell() call in VBA critical OLE_VBA_SHELL
    Shell() call in VBA
  • WScript.Shell usage critical OLE_VBA_WSCRIPT
    WScript.Shell usage
  • Reference to Windows Script Host high SC_STR_WSCRIPT
    Reference to Windows Script Host
  • CreateObject call high OLE_VBA_CREATEOBJ
    CreateObject call
  • 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
5f03bb0e3c0f12546756d6ded8f7e463f200b7fce3c1eaeac506324ab6b95a4b		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 4627 bytes

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