6c3d0aec1057e3783db453fb638ad9dd3cb72051326e09b4396921b1b85074c2

Analysis

max time kernel
30s
max time network
34s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
10-08-2024 09:47

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General

Target

flashSO (3).exe
Size

2.7MB
MD5

6a3ab7ec2c4fd2d93a0f8fc2dc47f062
SHA1

3d5f8bd0d1bab522252ad49f832f1e0519a8b563
SHA256

558963a35ffa085be310eb2809db9c61d46e8b0637e9a2b9f0ca45ed9231b7fa
SHA512

2a57a51d0732384bdae7e0001651b9caf8440b622eea93ea70de1df6bd5dedd20e3d8d189d034c5328508ce19d85efea92673aad353e1b0637c8c708a7072467
SSDEEP

49152:nkDg6C5FBC7YoaL6oMRcx1DixxzK2N+lCWg4zXZRsAbmoX+UBzppVR3:kDgPfBCkofc3DcxzXGNp6//UBzp

Score

8^/10

defense_evasion evasion execution persistence

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
1144	powershell.exe
3676	powershell.exe

Creates new service(s) 2 TTPs
persistence execution

Windows Service
T1543.003

Service Execution
T1569.002

Sets service image path in registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\dosvc\ImagePath = "C:\\Windows\\System32\\svchost.exe -k NetworkService -p"	WaaSMedicAgent.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\UsoSvc\ImagePath = "C:\\Windows\\system32\\svchost.exe -k netsvcs -p"	WaaSMedicAgent.exe

Stops running service(s) 4 TTPs
evasion execution

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Service Execution
T1569.002

Checks BIOS information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	wmiprvse.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	wmiprvse.exe

Executes dropped EXE 1 IoCs

pid	Process
3148	gwxqvlwwzfkr.exe

Indicator Removal: Clear Windows Event Logs 1 TTPs 3 IoCs

Clear Windows Event Logs to hide the activity of an intrusion.

defense_evasion

Clear Windows Event Logs

T1070.001

description	ioc	Process
File opened for modification	C:\Windows\System32\Winevt\Logs\Microsoft-Windows-Security-Mitigations%4UserMode.evtx	svchost.exe
File opened for modification	C:\Windows\System32\Winevt\Logs\Setup.evtx	svchost.exe
File opened for modification	C:\Windows\System32\Winevt\Logs\Microsoft-Windows-Security-Mitigations%4KernelMode.evtx	svchost.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\MRT.exe	flashSO (3).exe
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
File opened for modification	C:\Windows\system32\MRT.exe	gwxqvlwwzfkr.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1156 set thread context of 2152	1156	flashSO (3).exe	105
PID 3148 set thread context of 1220	3148	gwxqvlwwzfkr.exe	130
PID 3148 set thread context of 2248	3148	gwxqvlwwzfkr.exe	131
PID 3148 set thread context of 5096	3148	gwxqvlwwzfkr.exe	132

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk	svchost.exe

Launches sc.exe 14 IoCs

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

pid	Process
3396	sc.exe
4552	sc.exe
4440	sc.exe
1008	sc.exe
1504	sc.exe
3716	sc.exe
4260	sc.exe
3376	sc.exe
364	sc.exe
1428	sc.exe
2360	sc.exe
2012	sc.exe
4656	sc.exe
4452	sc.exe

Checks processor information in registry 2 TTPs 6 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	wmiprvse.exe
Key queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	wmiprvse.exe
Key security queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	wmiprvse.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Component Information	wmiprvse.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	wmiprvse.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	wmiprvse.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	wmiprvse.exe

Modifies data under HKEY_USERS 46 IoCs

description	ioc	Process
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\CA	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	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\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\Microsoft\SystemCertificates\trust\CRLs	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\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\SmartCardRoot\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\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\Root\CRLs	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\Policies\Microsoft\SystemCertificates\trust\CTLs	powershell.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\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	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\CA\CTLs	powershell.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
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	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\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	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\UNCAsIntranet = "1"	powershell.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1156	flashSO (3).exe
3676	powershell.exe
3676	powershell.exe
1156	flashSO (3).exe
1156	flashSO (3).exe
1156	flashSO (3).exe
1156	flashSO (3).exe
1156	flashSO (3).exe
1156	flashSO (3).exe
1156	flashSO (3).exe
1156	flashSO (3).exe
2152	dialer.exe
2152	dialer.exe
1156	flashSO (3).exe
1156	flashSO (3).exe
1156	flashSO (3).exe
2152	dialer.exe
2152	dialer.exe
3148	gwxqvlwwzfkr.exe
1144	powershell.exe
2152	dialer.exe
2152	dialer.exe
2152	dialer.exe
2152	dialer.exe
2152	dialer.exe
1144	powershell.exe
2152	dialer.exe
2152	dialer.exe
2152	dialer.exe
2152	dialer.exe
2152	dialer.exe
2152	dialer.exe
2152	dialer.exe
1144	powershell.exe
2152	dialer.exe
2152	dialer.exe
2152	dialer.exe
2152	dialer.exe
2152	dialer.exe
2152	dialer.exe
2152	dialer.exe
2152	dialer.exe
1144	powershell.exe
2152	dialer.exe
2152	dialer.exe
2152	dialer.exe
2152	dialer.exe
2152	dialer.exe
2152	dialer.exe
2152	dialer.exe
2152	dialer.exe
2152	dialer.exe
2152	dialer.exe
2152	dialer.exe
1144	powershell.exe
2152	dialer.exe
2152	dialer.exe
2152	dialer.exe
2152	dialer.exe
2152	dialer.exe
2152	dialer.exe
2152	dialer.exe
2152	dialer.exe
2152	dialer.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3676	powershell.exe
Token: SeDebugPrivilege	2152	dialer.exe
Token: SeDebugPrivilege	1144	powershell.exe
Token: SeDebugPrivilege	1220	dialer.exe
Token: SeLockMemoryPrivilege	5096	dialer.exe
Token: SeAssignPrimaryTokenPrivilege	2076	svchost.exe
Token: SeIncreaseQuotaPrivilege	2076	svchost.exe
Token: SeSecurityPrivilege	2076	svchost.exe
Token: SeTakeOwnershipPrivilege	2076	svchost.exe
Token: SeLoadDriverPrivilege	2076	svchost.exe
Token: SeSystemtimePrivilege	2076	svchost.exe
Token: SeBackupPrivilege	2076	svchost.exe
Token: SeRestorePrivilege	2076	svchost.exe
Token: SeShutdownPrivilege	2076	svchost.exe
Token: SeSystemEnvironmentPrivilege	2076	svchost.exe
Token: SeUndockPrivilege	2076	svchost.exe
Token: SeManageVolumePrivilege	2076	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	2076	svchost.exe
Token: SeIncreaseQuotaPrivilege	2076	svchost.exe
Token: SeSecurityPrivilege	2076	svchost.exe
Token: SeTakeOwnershipPrivilege	2076	svchost.exe
Token: SeLoadDriverPrivilege	2076	svchost.exe
Token: SeSystemtimePrivilege	2076	svchost.exe
Token: SeBackupPrivilege	2076	svchost.exe
Token: SeRestorePrivilege	2076	svchost.exe
Token: SeShutdownPrivilege	2076	svchost.exe
Token: SeSystemEnvironmentPrivilege	2076	svchost.exe
Token: SeUndockPrivilege	2076	svchost.exe
Token: SeManageVolumePrivilege	2076	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	2076	svchost.exe
Token: SeIncreaseQuotaPrivilege	2076	svchost.exe
Token: SeSecurityPrivilege	2076	svchost.exe
Token: SeTakeOwnershipPrivilege	2076	svchost.exe
Token: SeLoadDriverPrivilege	2076	svchost.exe
Token: SeSystemtimePrivilege	2076	svchost.exe
Token: SeBackupPrivilege	2076	svchost.exe
Token: SeRestorePrivilege	2076	svchost.exe
Token: SeShutdownPrivilege	2076	svchost.exe
Token: SeSystemEnvironmentPrivilege	2076	svchost.exe
Token: SeUndockPrivilege	2076	svchost.exe
Token: SeManageVolumePrivilege	2076	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	2076	svchost.exe
Token: SeIncreaseQuotaPrivilege	2076	svchost.exe
Token: SeSecurityPrivilege	2076	svchost.exe
Token: SeTakeOwnershipPrivilege	2076	svchost.exe
Token: SeLoadDriverPrivilege	2076	svchost.exe
Token: SeSystemtimePrivilege	2076	svchost.exe
Token: SeBackupPrivilege	2076	svchost.exe
Token: SeRestorePrivilege	2076	svchost.exe
Token: SeShutdownPrivilege	2076	svchost.exe
Token: SeSystemEnvironmentPrivilege	2076	svchost.exe
Token: SeUndockPrivilege	2076	svchost.exe
Token: SeManageVolumePrivilege	2076	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	2076	svchost.exe
Token: SeIncreaseQuotaPrivilege	2076	svchost.exe
Token: SeSecurityPrivilege	2076	svchost.exe
Token: SeTakeOwnershipPrivilege	2076	svchost.exe
Token: SeLoadDriverPrivilege	2076	svchost.exe
Token: SeSystemtimePrivilege	2076	svchost.exe
Token: SeBackupPrivilege	2076	svchost.exe
Token: SeRestorePrivilege	2076	svchost.exe
Token: SeShutdownPrivilege	2076	svchost.exe
Token: SeSystemEnvironmentPrivilege	2076	svchost.exe
Token: SeUndockPrivilege	2076	svchost.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3108 wrote to memory of 3128	3108	cmd.exe	98
PID 3108 wrote to memory of 3128	3108	cmd.exe	98
PID 1156 wrote to memory of 2152	1156	flashSO (3).exe	105
PID 1156 wrote to memory of 2152	1156	flashSO (3).exe	105
PID 1156 wrote to memory of 2152	1156	flashSO (3).exe	105
PID 1156 wrote to memory of 2152	1156	flashSO (3).exe	105
PID 1156 wrote to memory of 2152	1156	flashSO (3).exe	105
PID 1156 wrote to memory of 2152	1156	flashSO (3).exe	105
PID 1156 wrote to memory of 2152	1156	flashSO (3).exe	105
PID 2152 wrote to memory of 616	2152	dialer.exe	5
PID 2152 wrote to memory of 672	2152	dialer.exe	7
PID 2152 wrote to memory of 960	2152	dialer.exe	12
PID 2152 wrote to memory of 316	2152	dialer.exe	13
PID 2152 wrote to memory of 448	2152	dialer.exe	14
PID 672 wrote to memory of 2788	672	lsass.exe	48
PID 2152 wrote to memory of 872	2152	dialer.exe	15
PID 2152 wrote to memory of 956	2152	dialer.exe	16
PID 2152 wrote to memory of 1128	2152	dialer.exe	18
PID 2152 wrote to memory of 1164	2152	dialer.exe	19
PID 2152 wrote to memory of 1184	2152	dialer.exe	20
PID 2152 wrote to memory of 1260	2152	dialer.exe	21
PID 2152 wrote to memory of 1308	2152	dialer.exe	22
PID 2152 wrote to memory of 1336	2152	dialer.exe	23
PID 2152 wrote to memory of 1392	2152	dialer.exe	24
PID 2152 wrote to memory of 1408	2152	dialer.exe	25
PID 2152 wrote to memory of 1560	2152	dialer.exe	26
PID 2152 wrote to memory of 1580	2152	dialer.exe	27
PID 2152 wrote to memory of 1652	2152	dialer.exe	28
PID 2152 wrote to memory of 1700	2152	dialer.exe	29
PID 2152 wrote to memory of 1740	2152	dialer.exe	30
PID 2152 wrote to memory of 1756	2152	dialer.exe	31
PID 2152 wrote to memory of 1828	2152	dialer.exe	32
PID 2152 wrote to memory of 1940	2152	dialer.exe	33
PID 2152 wrote to memory of 1948	2152	dialer.exe	34
PID 2152 wrote to memory of 1956	2152	dialer.exe	35
PID 2152 wrote to memory of 2020	2152	dialer.exe	36
PID 2152 wrote to memory of 1876	2152	dialer.exe	37
PID 2152 wrote to memory of 2076	2152	dialer.exe	38
PID 2152 wrote to memory of 2216	2152	dialer.exe	40
PID 2152 wrote to memory of 2352	2152	dialer.exe	41
PID 672 wrote to memory of 2788	672	lsass.exe	48
PID 672 wrote to memory of 2788	672	lsass.exe	48
PID 2152 wrote to memory of 2428	2152	dialer.exe	42
PID 2152 wrote to memory of 2436	2152	dialer.exe	43
PID 2152 wrote to memory of 2652	2152	dialer.exe	44
PID 2152 wrote to memory of 2672	2152	dialer.exe	45
PID 2152 wrote to memory of 2708	2152	dialer.exe	46
PID 2152 wrote to memory of 2772	2152	dialer.exe	47
PID 2152 wrote to memory of 2788	2152	dialer.exe	48
PID 2152 wrote to memory of 2804	2152	dialer.exe	49
PID 2152 wrote to memory of 2820	2152	dialer.exe	50
PID 2152 wrote to memory of 2896	2152	dialer.exe	51
PID 2152 wrote to memory of 2104	2152	dialer.exe	53
PID 2152 wrote to memory of 3120	2152	dialer.exe	54
PID 2152 wrote to memory of 3428	2152	dialer.exe	55
PID 2152 wrote to memory of 3512	2152	dialer.exe	56
PID 2152 wrote to memory of 3628	2152	dialer.exe	57
PID 2152 wrote to memory of 3816	2152	dialer.exe	58
PID 2152 wrote to memory of 3972	2152	dialer.exe	60
PID 2152 wrote to memory of 1496	2152	dialer.exe	62
PID 2152 wrote to memory of 4832	2152	dialer.exe	65
PID 2152 wrote to memory of 548	2152	dialer.exe	66
PID 2152 wrote to memory of 4340	2152	dialer.exe	68
PID 2152 wrote to memory of 3916	2152	dialer.exe	69

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:616
- C:\Windows\system32\dwm.exe
  "dwm.exe"
  2⤵
  PID:316

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:960

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
1⤵
PID:448

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
1⤵
PID:872

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

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
1⤵
PID:1128
- C:\Windows\system32\taskhostw.exe
  taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
  2⤵
  PID:2896

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
1⤵
PID:1164

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
1⤵
- Indicator Removal: Clear Windows Event Logs
PID:1184

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

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
1⤵
PID:1308

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
1⤵
PID:1336

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
1⤵
PID:1392
- C:\Windows\system32\sihost.exe
  sihost.exe
  2⤵
  PID:2652

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
1⤵
PID:1408

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
1⤵
PID:1560

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
1⤵
PID:1580

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
1⤵
PID:1652

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
1⤵
PID:1700

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
1⤵
PID:1740

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
1⤵
PID:1756

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
1⤵
PID:1828

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
1⤵
PID:1940

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
1⤵
PID:1948

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
1⤵
PID:1956

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
1⤵
PID:2020

C:\Windows\System32\spoolsv.exe
C:\Windows\System32\spoolsv.exe
1⤵
PID:1876

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2076

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
1⤵
PID:2216

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
1⤵
PID:2352

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
1⤵
PID:2428

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
1⤵
PID:2436

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2672

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
1⤵
PID:2708

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
1⤵
PID:2772

C:\Windows\sysmon.exe
C:\Windows\sysmon.exe
1⤵
PID:2788

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
1⤵
PID:2804

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
1⤵
PID:2820

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s TokenBroker
1⤵
PID:2104

C:\Windows\system32\wbem\unsecapp.exe
C:\Windows\system32\wbem\unsecapp.exe -Embedding
1⤵
PID:3120

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
1⤵
PID:3428

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3512
- C:\Users\Admin\AppData\Local\Temp\flashSO (3).exe
  "C:\Users\Admin\AppData\Local\Temp\flashSO (3).exe"
  2⤵
  - Drops file in System32 directory
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1156
- - C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
    C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramData) -ExclusionExtension '.exe' -Force
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3676
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3108
  - - C:\Windows\system32\wusa.exe
      wusa /uninstall /kb:890830 /quiet /norestart
      4⤵
      PID:3128
- - C:\Windows\system32\sc.exe
    C:\Windows\system32\sc.exe stop UsoSvc
    3⤵
    - Launches sc.exe
    PID:364
- - C:\Windows\system32\sc.exe
    C:\Windows\system32\sc.exe stop WaaSMedicSvc
    3⤵
    - Launches sc.exe
    PID:4440
- - C:\Windows\system32\sc.exe
    C:\Windows\system32\sc.exe stop wuauserv
    3⤵
    - Launches sc.exe
    PID:2012
- - C:\Windows\system32\sc.exe
    C:\Windows\system32\sc.exe stop bits
    3⤵
    - Launches sc.exe
    PID:1008
- - C:\Windows\system32\sc.exe
    C:\Windows\system32\sc.exe stop dosvc
    3⤵
    - Launches sc.exe
    PID:1504
- - C:\Windows\system32\dialer.exe
    C:\Windows\system32\dialer.exe
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2152
- - C:\Windows\system32\sc.exe
    C:\Windows\system32\sc.exe delete "windef (32bit)"
    3⤵
    - Launches sc.exe
    PID:3396
- - C:\Windows\system32\sc.exe
    C:\Windows\system32\sc.exe create "windef (32bit)" binpath= "C:\ProgramData\bjxnephmfdtk\gwxqvlwwzfkr.exe" start= "auto"
    3⤵
    - Launches sc.exe
    PID:3716
- - C:\Windows\system32\sc.exe
    C:\Windows\system32\sc.exe stop eventlog
    3⤵
    - Launches sc.exe
    PID:4656
- - C:\Windows\system32\sc.exe
    C:\Windows\system32\sc.exe start "windef (32bit)"
    3⤵
    - Launches sc.exe
    PID:1428
  - - C:\Windows\System32\Conhost.exe
      \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
      4⤵
      PID:1900

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:3628

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3816

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3972

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:1496

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
1⤵
PID:4832

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
1⤵
PID:548

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV
1⤵
PID:4340

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
1⤵
PID:3916

C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
"C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
1⤵
PID:2424

C:\Windows\system32\SppExtComObj.exe
C:\Windows\system32\SppExtComObj.exe -Embedding
1⤵
PID:1364

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
1⤵
PID:4436

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2448

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s NgcCtnrSvc
1⤵
PID:1636

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:4596

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:812

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:5052

C:\Windows\System32\WaaSMedicAgent.exe
C:\Windows\System32\WaaSMedicAgent.exe ea583b274fddb0fcf31f7bc3cd90e17e nYiphye91kCfn2WtNqzT8A.0.1.0.0.0
1⤵
- Sets service image path in registry
PID:5092
- C:\Windows\System32\Conhost.exe
  \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
  2⤵
  PID:3256

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
- Drops file in Windows directory
PID:5068

C:\Windows\system32\wbem\wmiprvse.exe
C:\Windows\system32\wbem\wmiprvse.exe -secured -Embedding
1⤵
- Checks BIOS information in registry
- Checks processor information in registry
- Enumerates system info in registry
PID:3176

C:\Windows\servicing\TrustedInstaller.exe
C:\Windows\servicing\TrustedInstaller.exe
1⤵
PID:4648

C:\ProgramData\bjxnephmfdtk\gwxqvlwwzfkr.exe
C:\ProgramData\bjxnephmfdtk\gwxqvlwwzfkr.exe
1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
PID:3148
- C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
  C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramData) -ExclusionExtension '.exe' -Force
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Drops file in System32 directory
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1144
- - C:\Windows\System32\Conhost.exe
    \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
    3⤵
    PID:4412
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
  2⤵
  PID:516
- - C:\Windows\System32\Conhost.exe
    \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
    3⤵
    PID:1924
- - C:\Windows\system32\wusa.exe
    wusa /uninstall /kb:890830 /quiet /norestart
    3⤵
    PID:4720
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop UsoSvc
  2⤵
  - Launches sc.exe
  PID:4552
- - C:\Windows\System32\Conhost.exe
    \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
    3⤵
    PID:1384
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop WaaSMedicSvc
  2⤵
  - Launches sc.exe
  PID:4260
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop wuauserv
  2⤵
  - Launches sc.exe
  PID:4452
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop bits
  2⤵
  - Launches sc.exe
  PID:3376
- - C:\Windows\System32\Conhost.exe
    \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
    3⤵
    PID:2780
- C:\Windows\system32\sc.exe
  C:\Windows\system32\sc.exe stop dosvc
  2⤵
  - Launches sc.exe
  PID:2360
- C:\Windows\system32\dialer.exe
  C:\Windows\system32\dialer.exe
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1220
- C:\Windows\system32\dialer.exe
  C:\Windows\system32\dialer.exe
  2⤵
  PID:2248
- C:\Windows\system32\dialer.exe
  dialer.exe
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:5096

Network

MITRE ATT&CK Enterprise v15

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

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

Indicator Removal

T1070

Clear Windows Event Logs

T1070.001

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

T1489

Replay Monitor

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Downloads

C:\ProgramData\bjxnephmfdtk\gwxqvlwwzfkr.exe

Filesize
2.7MB

MD5
6a3ab7ec2c4fd2d93a0f8fc2dc47f062

SHA1
3d5f8bd0d1bab522252ad49f832f1e0519a8b563

SHA256
558963a35ffa085be310eb2809db9c61d46e8b0637e9a2b9f0ca45ed9231b7fa

SHA512
2a57a51d0732384bdae7e0001651b9caf8440b622eea93ea70de1df6bd5dedd20e3d8d189d034c5328508ce19d85efea92673aad353e1b0637c8c708a7072467

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rshwth3q.1rv.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/316-39-0x00007FFC14870000-0x00007FFC14880000-memory.dmp

Filesize
64KB

Download
memory/316-38-0x00000217BA5D0000-0x00000217BA5FB000-memory.dmp

Filesize
172KB

Download
memory/448-45-0x0000022802890000-0x00000228028BB000-memory.dmp

Filesize
172KB

Download
memory/448-46-0x00007FFC14870000-0x00007FFC14880000-memory.dmp

Filesize
64KB

Download
memory/616-33-0x000002195CAE0000-0x000002195CB0B000-memory.dmp

Filesize
172KB

Download
memory/616-28-0x000002195CAB0000-0x000002195CAD4000-memory.dmp

Filesize
144KB

Download
memory/616-34-0x00007FFC14870000-0x00007FFC14880000-memory.dmp

Filesize
64KB

Download
memory/672-31-0x00007FFC14870000-0x00007FFC14880000-memory.dmp

Filesize
64KB

Download
memory/672-30-0x000001FADBA30000-0x000001FADBA5B000-memory.dmp

Filesize
172KB

Download
memory/872-53-0x0000025E37E60000-0x0000025E37E8B000-memory.dmp

Filesize
172KB

Download
memory/872-54-0x00007FFC14870000-0x00007FFC14880000-memory.dmp

Filesize
64KB

Download
memory/956-57-0x00007FFC14870000-0x00007FFC14880000-memory.dmp

Filesize
64KB

Download
memory/956-56-0x000002398B6C0000-0x000002398B6EB000-memory.dmp

Filesize
172KB

Download
memory/960-42-0x00000268DA4D0000-0x00000268DA4FB000-memory.dmp

Filesize
172KB

Download
memory/960-43-0x00007FFC14870000-0x00007FFC14880000-memory.dmp

Filesize
64KB

Download
memory/1128-59-0x000001DE9C740000-0x000001DE9C76B000-memory.dmp

Filesize
172KB

Download
memory/1128-60-0x00007FFC14870000-0x00007FFC14880000-memory.dmp

Filesize
64KB

Download
memory/1144-332-0x00000148C96C0000-0x00000148C96CA000-memory.dmp

Filesize
40KB

Download
memory/1144-330-0x00000148C95E0000-0x00000148C95FC000-memory.dmp

Filesize
112KB

Download
memory/1144-331-0x00000148C9600000-0x00000148C96B5000-memory.dmp

Filesize
724KB

Download
memory/1144-333-0x00000148C9830000-0x00000148C984C000-memory.dmp

Filesize
112KB

Download
memory/1144-334-0x00000148C9810000-0x00000148C981A000-memory.dmp

Filesize
40KB

Download
memory/1144-337-0x00000148C9870000-0x00000148C988A000-memory.dmp

Filesize
104KB

Download
memory/1144-338-0x00000148C9820000-0x00000148C9828000-memory.dmp

Filesize
32KB

Download
memory/1144-339-0x00000148C9850000-0x00000148C9856000-memory.dmp

Filesize
24KB

Download
memory/1144-340-0x00000148C9860000-0x00000148C986A000-memory.dmp

Filesize
40KB

Download
memory/1164-62-0x000001ECDC580000-0x000001ECDC5AB000-memory.dmp

Filesize
172KB

Download
memory/1164-63-0x00007FFC14870000-0x00007FFC14880000-memory.dmp

Filesize
64KB

Download
memory/1184-65-0x00000177650F0000-0x000001776511B000-memory.dmp

Filesize
172KB

Download
memory/1184-66-0x00007FFC14870000-0x00007FFC14880000-memory.dmp

Filesize
64KB

Download
memory/1260-70-0x00000202A50B0000-0x00000202A50DB000-memory.dmp

Filesize
172KB

Download
memory/1260-71-0x00007FFC14870000-0x00007FFC14880000-memory.dmp

Filesize
64KB

Download
memory/1308-74-0x00007FFC14870000-0x00007FFC14880000-memory.dmp

Filesize
64KB

Download
memory/1308-73-0x000001D650930000-0x000001D65095B000-memory.dmp

Filesize
172KB

Download
memory/2152-16-0x0000000140000000-0x000000014002B000-memory.dmp

Filesize
172KB

Download
memory/2152-25-0x0000000140000000-0x000000014002B000-memory.dmp

Filesize
172KB

Download
memory/2152-23-0x00007FFC52C80000-0x00007FFC52D3E000-memory.dmp

Filesize
760KB

Download
memory/2152-22-0x00007FFC547F0000-0x00007FFC549E5000-memory.dmp

Filesize
2.0MB

Download
memory/2152-21-0x0000000140000000-0x000000014002B000-memory.dmp

Filesize
172KB

Download
memory/2152-17-0x0000000140000000-0x000000014002B000-memory.dmp

Filesize
172KB

Download
memory/2152-18-0x0000000140000000-0x000000014002B000-memory.dmp

Filesize
172KB

Download
memory/2152-19-0x0000000140000000-0x000000014002B000-memory.dmp

Filesize
172KB

Download
memory/3676-0-0x00007FFC359F3000-0x00007FFC359F5000-memory.dmp

Filesize
8KB

Download
memory/3676-15-0x00007FFC359F0000-0x00007FFC364B1000-memory.dmp

Filesize
10.8MB

Download
memory/3676-12-0x00007FFC359F0000-0x00007FFC364B1000-memory.dmp

Filesize
10.8MB

Download
memory/3676-11-0x00007FFC359F0000-0x00007FFC364B1000-memory.dmp

Filesize
10.8MB

Download
memory/3676-6-0x0000026521E30000-0x0000026521E52000-memory.dmp

Filesize
136KB

Download