MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1059.005 Visual Basic
T1059.001 PowerShell
T1105 Ingress Tool Transfer
T1204.002 Malicious File
The Document_Open VBA macro is designed to execute malicious code upon opening the document. It constructs a PowerShell command that downloads a second-stage executable from 'https://mailer34.zzux.com/a/leApp14.exe' and saves it as 'C:\Users\Public\Documents\littlelittle.exe'. The macro also attempts to establish persistence by writing to the registry key 'HKCU\Software\Microsoft\Windows\CurrentVersion\Run\IAccessible2Proxy'.
Heuristics 5
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Document_Open macro high OLE_VBA_DOCOPENDocument_Open macro
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GetObject call high OLE_VBA_GETOBJGetObject call
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VBA p-code auto-exec with execution tokens high OLE_VBA_PCODE_AUTOEXEC_EXECCompiled 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.
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VBA macros detected medium OLE_VBA_MACROSDocument contains VBA macro code
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Embedded URL info EMBEDDED_URLOne 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.
| Filename | Kind | Source | Size |
|---|---|---|---|
macros.bas8cb537c54398442178b5d1df7fd29f10dee2a1e4c2822ff3be938097e0a215de |
vba-macro | oletools.olevba.extract_macros (decoded VBA source) | 1036 bytes |
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