Analysis
- max time kernel
149s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
09/08/2026, 10:45
Static task
static1
Behavioral task
behavioral1
Sample
b83976f2fb570268e3b28e33dfcef679dfd641ebd576ff2956cd6eb7ce3fe666.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
b83976f2fb570268e3b28e33dfcef679dfd641ebd576ff2956cd6eb7ce3fe666.exe
Resource
win11ltsc2024-20260709-en
General
- Target b83976f2fb570268e3b28e33dfcef679dfd641ebd576ff2956cd6eb7ce3fe666.exe
- Size 5.0MB
- Sample260809-mtklkswekc
- SHA256 b83976f2fb570268e3b28e33dfcef679dfd641ebd576ff2956cd6eb7ce3fe666
- MD5 b8e7048780d4959fac186bf5d953c28c
- SHA1 edacb01f94cc5f0f578f20c8ceda1066034c3c68
- SHA512 f41e68372f300d31a079d51fc2b71ebf0cdd11f113c61fe0803341e5abcb669a348876cb69db5c767b1ce5c836e190102988ccf21e15e7f1dc01dfdde0d68d1d
- SSDEEP 98304:u/jHxQ3fuAsY61nxSClmfno6KTaiwRhQdhTGom4Vw/zxHHm0jIghQLG3:QLxQ3JsYSBlmvo6WaQdUoEzxHH3B
- TLSH T1E93633E7A9C61435D493C3B4538770BCB1347B969A50FD87B2CDA989CEA3E21543E382
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Modifies security service 2 TTPs 5 IoCs
description ioc Process 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 Key deleted \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wuauserv\Parameters reg.exe - Suspicious use of NtCreateUserProcessOtherParentProcess 2 IoCs
description pid Process procid_target PID 5168 created 3308 5168 LockAppHost14a02b.exe 56 PID 3872 created 3308 3872 nslookup.exe 56 - XMRig Miner payload 12 IoCs
resource yara_rule behavioral1/memory/4632-98-0x0000000140000000-0x000000014080D000-memory.dmp xmrig behavioral1/memory/4632-103-0x0000000140000000-0x000000014080D000-memory.dmp xmrig behavioral1/memory/4632-102-0x0000000140000000-0x000000014080D000-memory.dmp xmrig behavioral1/memory/4632-101-0x0000000140000000-0x000000014080D000-memory.dmp xmrig behavioral1/memory/4632-100-0x0000000140000000-0x000000014080D000-memory.dmp xmrig behavioral1/memory/4632-104-0x0000000140000000-0x000000014080D000-memory.dmp xmrig behavioral1/memory/4632-105-0x0000000140000000-0x000000014080D000-memory.dmp xmrig behavioral1/memory/4632-109-0x0000000140000000-0x000000014080D000-memory.dmp xmrig behavioral1/memory/4632-110-0x0000000140000000-0x000000014080D000-memory.dmp xmrig behavioral1/memory/4632-111-0x0000000140000000-0x000000014080D000-memory.dmp xmrig behavioral1/memory/4632-112-0x0000000140000000-0x000000014080D000-memory.dmp xmrig behavioral1/memory/4632-113-0x0000000140000000-0x000000014080D000-memory.dmp xmrig -
pid Process 5196 powershell.exe 1320 powershell.exe 5004 powershell.exe - Server Software Component: Terminal Services DLL 1 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\mfjsnjgxsl\Parameters\ServiceDll = "%systemroot%\\system32\\usosvc.dll" reg.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\gjatsqyuih\Parameters\ServiceDll = "%SystemRoot%\\System32\\WaaSMedicSvc.dll" reg.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\ivzbhfdhzv\Parameters\ServiceDll = "%systemroot%\\system32\\wuaueng.dll" reg.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\aulzewoysp\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.
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\ivzbhfdhzv\ImagePath = "%systemroot%\\system32\\svchost.exe -k netsvcs -p" reg.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\aulzewoysp\ImagePath = "%SystemRoot%\\System32\\svchost.exe -k netsvcs -p" reg.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\oyccosqbcc\ImagePath = "%SystemRoot%\\System32\\svchost.exe -k NetworkService -p" reg.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\mfjsnjgxsl\ImagePath = "%systemroot%\\system32\\svchost.exe -k netsvcs -p" reg.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\gjatsqyuih\ImagePath = "%systemroot%\\system32\\svchost.exe -k wusvcs -p" reg.exe - Creates new service(s) 2 TTPs
- Cryptocurrency Miner
Makes network request to known mining pool URL.
- Deletes itself 1 IoCs
pid Process 4300 b83976f2fb570268e3b28e33dfcef679dfd641ebd576ff2956cd6eb7ce3fe666.exe - Disables service(s) 3 TTPs
- Executes dropped EXE 1 IoCs
pid Process 5168 LockAppHost14a02b.exe - Stops running service(s) 4 TTPs
- 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.
pid Process 1072 powercfg.exe 4168 powercfg.exe 2900 powercfg.exe 5444 powercfg.exe - Drops file in System32 directory 14 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\Windows\PowerShell\StartupProfileData-NonInteractive powershell.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\F5B76F27FFDF2E1D4F4259BD9C366FB4 nslookup.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\B46811C17859FFB409CF0E904A4AA8F8 nslookup.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\1B1495DD322A24490E2BF2FAABAE1C61 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\MetaData\22D536C4B4AD2CEF7AC6B7789FD235E3 nslookup.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\22D536C4B4AD2CEF7AC6B7789FD235E3 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\8B2B9A00839EED1DFDCCC3BFC2F5DF12 nslookup.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive powershell.exe - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 5168 set thread context of 3872 5168 LockAppHost14a02b.exe 94 PID 3872 set thread context of 4632 3872 nslookup.exe 179 - Launches sc.exe 17 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 6032 sc.exe 5368 sc.exe 836 sc.exe 5924 sc.exe 3288 sc.exe 5948 sc.exe 2332 sc.exe 4768 sc.exe 5768 sc.exe 5268 sc.exe 1592 sc.exe 5272 sc.exe 5620 sc.exe 3984 sc.exe 3544 sc.exe 3452 sc.exe 544 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs 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 powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\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\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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 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\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\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\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 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\Policies\Microsoft\SystemCertificates\CA\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\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4300 b83976f2fb570268e3b28e33dfcef679dfd641ebd576ff2956cd6eb7ce3fe666.exe 4300 b83976f2fb570268e3b28e33dfcef679dfd641ebd576ff2956cd6eb7ce3fe666.exe 5168 LockAppHost14a02b.exe 5168 LockAppHost14a02b.exe 5168 LockAppHost14a02b.exe 5168 LockAppHost14a02b.exe 1320 powershell.exe 1320 powershell.exe 5196 powershell.exe 5196 powershell.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe 3872 nslookup.exe - Suspicious behavior: RenamesItself 1 IoCs
pid Process 4300 b83976f2fb570268e3b28e33dfcef679dfd641ebd576ff2956cd6eb7ce3fe666.exe - Suspicious use of AdjustPrivilegeToken 14 IoCs
description pid Process Token: SeDebugPrivilege 5168 LockAppHost14a02b.exe Token: SeDebugPrivilege 3872 nslookup.exe Token: SeDebugPrivilege 1320 powershell.exe Token: SeDebugPrivilege 5196 powershell.exe Token: SeShutdownPrivilege 2900 powercfg.exe Token: SeCreatePagefilePrivilege 2900 powercfg.exe Token: SeShutdownPrivilege 4168 powercfg.exe Token: SeCreatePagefilePrivilege 4168 powercfg.exe Token: SeShutdownPrivilege 1072 powercfg.exe Token: SeCreatePagefilePrivilege 1072 powercfg.exe Token: SeShutdownPrivilege 5444 powercfg.exe Token: SeCreatePagefilePrivilege 5444 powercfg.exe Token: SeLockMemoryPrivilege 4632 svchost.exe Token: SeDebugPrivilege 5004 powershell.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4632 svchost.exe - Suspicious use of WriteProcessMemory 52 IoCs
description pid Process procid_target PID 4300 wrote to memory of 6032 4300 b83976f2fb570268e3b28e33dfcef679dfd641ebd576ff2956cd6eb7ce3fe666.exe 87 PID 4300 wrote to memory of 5620 4300 b83976f2fb570268e3b28e33dfcef679dfd641ebd576ff2956cd6eb7ce3fe666.exe 89 PID 4300 wrote to memory of 5768 4300 b83976f2fb570268e3b28e33dfcef679dfd641ebd576ff2956cd6eb7ce3fe666.exe 91 PID 5168 wrote to memory of 3872 5168 LockAppHost14a02b.exe 94 PID 3872 wrote to memory of 1320 3872 nslookup.exe 95 PID 3872 wrote to memory of 5196 3872 nslookup.exe 97 PID 3872 wrote to memory of 3984 3872 nslookup.exe 99 PID 3872 wrote to memory of 3544 3872 nslookup.exe 101 PID 3872 wrote to memory of 5368 3872 nslookup.exe 103 PID 3872 wrote to memory of 5268 3872 nslookup.exe 105 PID 3872 wrote to memory of 4192 3872 nslookup.exe 107 PID 3872 wrote to memory of 5012 3872 nslookup.exe 109 PID 3872 wrote to memory of 836 3872 nslookup.exe 111 PID 3872 wrote to memory of 3452 3872 nslookup.exe 113 PID 3872 wrote to memory of 2080 3872 nslookup.exe 115 PID 3872 wrote to memory of 3688 3872 nslookup.exe 117 PID 3872 wrote to memory of 5924 3872 nslookup.exe 119 PID 3872 wrote to memory of 544 3872 nslookup.exe 121 PID 3872 wrote to memory of 3704 3872 nslookup.exe 123 PID 3872 wrote to memory of 2616 3872 nslookup.exe 125 PID 3872 wrote to memory of 3288 3872 nslookup.exe 127 PID 3872 wrote to memory of 5948 3872 nslookup.exe 129 PID 3872 wrote to memory of 5124 3872 nslookup.exe 131 PID 3872 wrote to memory of 3660 3872 nslookup.exe 133 PID 3872 wrote to memory of 2332 3872 nslookup.exe 135 PID 3872 wrote to memory of 1592 3872 nslookup.exe 137 PID 3872 wrote to memory of 4884 3872 nslookup.exe 139 PID 3872 wrote to memory of 4376 3872 nslookup.exe 141 PID 3872 wrote to memory of 2536 3872 nslookup.exe 143 PID 3872 wrote to memory of 2112 3872 nslookup.exe 145 PID 3872 wrote to memory of 840 3872 nslookup.exe 147 PID 3872 wrote to memory of 5736 3872 nslookup.exe 149 PID 3872 wrote to memory of 3744 3872 nslookup.exe 151 PID 3872 wrote to memory of 816 3872 nslookup.exe 153 PID 3872 wrote to memory of 6068 3872 nslookup.exe 155 PID 3872 wrote to memory of 204 3872 nslookup.exe 157 PID 3872 wrote to memory of 5384 3872 nslookup.exe 159 PID 3872 wrote to memory of 3408 3872 nslookup.exe 161 PID 3872 wrote to memory of 916 3872 nslookup.exe 163 PID 3872 wrote to memory of 2900 3872 nslookup.exe 165 PID 3872 wrote to memory of 5444 3872 nslookup.exe 166 PID 3872 wrote to memory of 1072 3872 nslookup.exe 167 PID 3872 wrote to memory of 4168 3872 nslookup.exe 168 PID 3872 wrote to memory of 3252 3872 nslookup.exe 169 PID 3872 wrote to memory of 3576 3872 nslookup.exe 175 PID 3872 wrote to memory of 4632 3872 nslookup.exe 179 PID 3872 wrote to memory of 4632 3872 nslookup.exe 179 PID 3872 wrote to memory of 4768 3872 nslookup.exe 182 PID 3872 wrote to memory of 5272 3872 nslookup.exe 184 PID 3872 wrote to memory of 5004 3872 nslookup.exe 186 PID 3872 wrote to memory of 1684 3872 nslookup.exe 188 PID 3872 wrote to memory of 5968 3872 nslookup.exe 190 - 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\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3308
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C:\Users\Admin\AppData\Local\Temp\b83976f2fb570268e3b28e33dfcef679dfd641ebd576ff2956cd6eb7ce3fe666.exe"C:\Users\Admin\AppData\Local\Temp\b83976f2fb570268e3b28e33dfcef679dfd641ebd576ff2956cd6eb7ce3fe666.exe"2⤵
- Deletes itself
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:4300 -
C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" delete "MicrosoftEdgeUpdateTaskMachine_3aa5"3⤵
- Launches sc.exe
PID:6032
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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:5620
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" start "MicrosoftEdgeUpdateTaskMachine_3aa5"3⤵
- Launches sc.exe
PID:5768
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C:\Windows\System32\nslookup.exe"C:\Windows\System32\nslookup.exe"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:3872 -
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') -Force3⤵
- Command and Scripting Interpreter: PowerShell
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1320
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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 DWord3⤵
- Command and Scripting Interpreter: PowerShell
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5196
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config WaaSMedicSvc start= disabled3⤵
- Launches sc.exe
PID:3984
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop WaaSMedicSvc3⤵
- Launches sc.exe
PID:3544
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config UsoSvc start= disabled3⤵
- Launches sc.exe
PID:5368
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop UsoSvc3⤵
- Launches sc.exe
PID:5268
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C:\Windows\System32\reg.exe"C:\Windows\System32\reg.exe" copy "HKLM\SYSTEM\CurrentControlSet\Services\UsoSvc" "HKLM\SYSTEM\CurrentControlSet\Services\mfjsnjgxsl" /s /f3⤵
- Server Software Component: Terminal Services DLL
- Sets service image path in registry
PID:4192
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C:\Windows\System32\reg.exe"C:\Windows\System32\reg.exe" delete "HKLM\SYSTEM\CurrentControlSet\Services\UsoSvc" /f3⤵PID:5012
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config WaaSMedicSvc start= disabled3⤵
- Launches sc.exe
PID:836
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop WaaSMedicSvc3⤵
- Launches sc.exe
PID:3452
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C:\Windows\System32\reg.exe"C:\Windows\System32\reg.exe" copy "HKLM\SYSTEM\CurrentControlSet\Services\WaaSMedicSvc" "HKLM\SYSTEM\CurrentControlSet\Services\gjatsqyuih" /s /f3⤵
- Server Software Component: Terminal Services DLL
- Sets service image path in registry
PID:2080
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C:\Windows\System32\reg.exe"C:\Windows\System32\reg.exe" delete "HKLM\SYSTEM\CurrentControlSet\Services\WaaSMedicSvc" /f3⤵PID:3688
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config wuauserv start= disabled3⤵
- Launches sc.exe
PID:5924
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop wuauserv3⤵
- Launches sc.exe
PID:544
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C:\Windows\System32\reg.exe"C:\Windows\System32\reg.exe" copy "HKLM\SYSTEM\CurrentControlSet\Services\wuauserv" "HKLM\SYSTEM\CurrentControlSet\Services\ivzbhfdhzv" /s /f3⤵
- Server Software Component: Terminal Services DLL
- Sets service image path in registry
PID:3704
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C:\Windows\System32\reg.exe"C:\Windows\System32\reg.exe" delete "HKLM\SYSTEM\CurrentControlSet\Services\wuauserv" /f3⤵
- Modifies security service
PID:2616
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config BITS start= disabled3⤵
- Launches sc.exe
PID:3288
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop BITS3⤵
- Launches sc.exe
PID:5948
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C:\Windows\System32\reg.exe"C:\Windows\System32\reg.exe" copy "HKLM\SYSTEM\CurrentControlSet\Services\BITS" "HKLM\SYSTEM\CurrentControlSet\Services\aulzewoysp" /s /f3⤵
- Server Software Component: Terminal Services DLL
- Sets service image path in registry
PID:5124
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C:\Windows\System32\reg.exe"C:\Windows\System32\reg.exe" delete "HKLM\SYSTEM\CurrentControlSet\Services\BITS" /f3⤵PID:3660
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config dosvc start= disabled3⤵
- Launches sc.exe
PID:2332
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop dosvc3⤵
- Launches sc.exe
PID:1592
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C:\Windows\System32\reg.exe"C:\Windows\System32\reg.exe" copy "HKLM\SYSTEM\CurrentControlSet\Services\dosvc" "HKLM\SYSTEM\CurrentControlSet\Services\oyccosqbcc" /s /f3⤵
- Sets service image path in registry
PID:4884
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C:\Windows\System32\reg.exe"C:\Windows\System32\reg.exe" delete "HKLM\SYSTEM\CurrentControlSet\Services\dosvc" /f3⤵PID:4376
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /Change /TN "\Microsoft\Windows\WindowsUpdate\Scheduled Start" /Disable3⤵PID:2536
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /Change /TN "\Microsoft\Windows\WindowsUpdate\sih" /Disable3⤵PID:2112
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /Change /TN "\Microsoft\Windows\WindowsUpdate\sihboot" /Disable3⤵PID:840
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /Change /TN "\Microsoft\Windows\UpdateOrchestrator\Schedule Scan" /Disable3⤵PID:5736
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /Change /TN "\Microsoft\Windows\UpdateOrchestrator\Schedule Scan Static Task" /Disable3⤵PID:3744
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /Change /TN "\Microsoft\Windows\UpdateOrchestrator\Schedule Work" /Disable3⤵PID:816
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /Change /TN "\Microsoft\Windows\UpdateOrchestrator\Schedule Wake To Work" /Disable3⤵PID:6068
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /Change /TN "\Microsoft\Windows\UpdateOrchestrator\USO_UxBroker" /Disable3⤵PID:204
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /Change /TN "\Microsoft\Windows\UpdateOrchestrator\Reboot_AC" /Disable3⤵PID:5384
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /Change /TN "\Microsoft\Windows\UpdateOrchestrator\Reboot_Battery" /Disable3⤵PID:3408
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /Change /TN "\Microsoft\Windows\WaaSMedic\PerformRemediation" /Disable3⤵PID:916
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C:\Windows\System32\powercfg.exe"C:\Windows\System32\powercfg.exe" /x -hibernate-timeout-ac 03⤵
- Power Settings
- Suspicious use of AdjustPrivilegeToken
PID:2900
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C:\Windows\System32\powercfg.exe"C:\Windows\System32\powercfg.exe" /x -hibernate-timeout-dc 03⤵
- Power Settings
- Suspicious use of AdjustPrivilegeToken
PID:5444
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C:\Windows\System32\powercfg.exe"C:\Windows\System32\powercfg.exe" /x -standby-timeout-ac 03⤵
- Power Settings
- Suspicious use of AdjustPrivilegeToken
PID:1072
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C:\Windows\System32\powercfg.exe"C:\Windows\System32\powercfg.exe" /x -standby-timeout-dc 03⤵
- Power Settings
- Suspicious use of AdjustPrivilegeToken
PID:4168
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /Change /TN "\Microsoft\Windows\MRT\MRT_HB" /Disable3⤵PID:3252
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /Change /TN "\Microsoft\Windows Removal Tools\MRT_HB" /Disable3⤵PID:3576
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" delete "RasConnectionManager_9d4d"3⤵
- Launches sc.exe
PID:4768
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" create "RasConnectionManager_9d4d" binpath= "C:\ProgramDataMicrosoftWindowsSchCache\NetworkListService22e8.exe" start= "auto"3⤵
- Launches sc.exe
PID:5272
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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') -Force3⤵
- Command and Scripting Interpreter: PowerShell
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:5004
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /Change /TN "\Microsoft\Windows\MRT\MRT_HB" /Disable3⤵PID:1684
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /Change /TN "\Microsoft\Windows Removal Tools\MRT_HB" /Disable3⤵PID:5968
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C:\Windows\System32\svchost.exe"C:\Windows\System32\svchost.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:4632
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C:\ProgramData\Microsoft\Network\Diagnostics\73BF5F50\LockAppHost14a02b.exeC:\ProgramData\Microsoft\Network\Diagnostics\73BF5F50\LockAppHost14a02b.exe1⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5168
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1PowerShell
1System Services
3Service Execution
3Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
5Windows Service
5Power Settings
1Server Software Component
1Terminal Services DLL
1Replay Monitor
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Downloads
- Path C:\ProgramData\Microsoft\Network\Diagnostics\73BF5F50\LockAppHost14a02b.exe
- Size 5.0MB
- SHA256 b83976f2fb570268e3b28e33dfcef679dfd641ebd576ff2956cd6eb7ce3fe666
- MD5 b8e7048780d4959fac186bf5d953c28c
- SHA1 edacb01f94cc5f0f578f20c8ceda1066034c3c68
- SHA512 f41e68372f300d31a079d51fc2b71ebf0cdd11f113c61fe0803341e5abcb669a348876cb69db5c767b1ce5c836e190102988ccf21e15e7f1dc01dfdde0d68d1d
- SSDEEP 98304:u/jHxQ3fuAsY61nxSClmfno6KTaiwRhQdhTGom4Vw/zxHHm0jIghQLG3:QLxQ3JsYSBlmvo6WaQdUoEzxHH3B
- TLSH T1E93633E7A9C61435D493C3B4538770BCB1347B969A50FD87B2CDA989CEA3E21543E382
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Temp\__PSScriptPolicyTest_zozxq24v.muf.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH
- Path C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
- Size 4KB
- SHA256 e3274ce8296f2cd20e3189576fbadbfa0f1817cdf313487945c80e968589a495
- MD5 bdb25c22d14ec917e30faf353826c5de
- SHA1 6c2feb9cea9237bc28842ebf2fea68b3bd7ad190
- SHA512 b5eddbfd4748298a302e2963cfd12d849130b6dcb8f0f85a2a623caed0ff9bd88f4ec726f646dbebfca4964adc35f882ec205113920cb546cc08193739d6728c
- SSDEEP 96:iq3NYqGeHo9xrLSdx4qKkq3qktznENYrhGaq66iNLm0RIzoZcBPQhDAyRLcxZpoG:iqdYqGAjdx4qKkq3qktznEuZq6FIzoI
- TLSH T10D91EF313275E1D5C8663F031A2D19D093AF4396EA54AF48B25C625EED2604BDB122F7
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 1KB
- SHA256 e1d60f18bcea5f318ece5f647592db0654dafaf6c047baf71f75009a7e4b7d70
- MD5 db34247a5135b71cec4365b5f7fbd4a6
- SHA1 566494c91499eb965ed90ec61d305fd3531c3b70
- SHA512 5503c3e8752758340b85828845f48b8e8171f2d0ab23ae1f9b877403344ead0e30b1ed3644bfd2e4d4fb0f896b12853baf1302908cb8e3e708657dc845bdf6cc
- TLSH T189218627B3DC8921CC86163A109D9D1076B683C781AEDFAF6FC0D614A4BF588CB21290
- MD5 SHA1 SHA512 TLSH
- Path C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 1KB
- SHA256 0fd68598598d1dfa246506196e6e0b46ee2b3b26a91c229ff9bb290c7f63d7c1
- MD5 1469e2ebd82af1abedcfc0e1a7d57cc5
- SHA1 f5622e3d8e7d2275d44f1c1d806a90b0a52cb3bf
- SHA512 2aee37eccdc020a54dfbd0b15837848763ab7daf32c152389a349ff23eab2aa0178901402299d2116bfa1c43af747f34f03b72db99cf752ca7827f3eebd05617
- TLSH T106218627B3DC8A21CC86163A109DAC10766683C7819EDF9F6BC0D614A0BF988CB21290
- MD5 SHA1 SHA512 TLSH