Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
29/10/2024, 05:33
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-29_4d339a2f921fcac88f6f17702fca7436_ryuk.exe
Resource
win7-20240903-en
General
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Target
2024-10-29_4d339a2f921fcac88f6f17702fca7436_ryuk.exe
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Size
137KB
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MD5
4d339a2f921fcac88f6f17702fca7436
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SHA1
adc2d7697c74b4fcc01afa5feb2711df44dc8046
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SHA256
94b80a9b040dee10001d8347d6d44b97f8c24a39e4852d9bff813e4c6158ef44
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SHA512
722e1aae39a67a197ea5e1d51daa53940a4b21ca82b4025510f86936c6489933472a61ff656a2b61cc68c305190683e324e0e71156a28d44584a75726104c4b3
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SSDEEP
3072:dxxED/D0VpMHZLZKMrkBne78xB0IwWMZ4OVvYV/J/9KEZUwVs:dxCkVpMHZLZ+Re78pwrJv2JTL
Malware Config
Extracted
phorphiex
http://185.215.113.66/
http://91.202.233.141/
0xCa90599132C4D88907Bd8E046540284aa468a035
TRuGGXNDM1cavQ1AqMQHG8yfxP4QWVSMN6
qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r
XryzFMFVpDUvU7famUGf214EXD3xNUSmQf
rsXCXBf9SagxV8JfC12d8Bybk84oPdMNN9
AULzfBuUAPfCGAXoG5Vq14aP9s6fx3AH4Z
LTK4xdKPAgFHPLan8kriAD7eY4heyy73mB
MP8GEm8QpYgQYaMo8oM5NQhRBgDGiLZW5Q
4BB7ckkaPTyADc8trtuwDoZxywaR4eNL5cDJ3KBjq9GraN4mUFztf7mLS7WgT7Bh7uPqpjvA4ypVwXKCJ1vvLWWAFvSmDoD
15TssKwtjMtwy4vDLcLsQUZUD2B9f7eDjw85sBNVC5LRPPnC
1BzmrjmKPKSR2hH5BeJySfiVA676E8DYaK
ltc1qt0n3f0t7vz9k0mvcswk477shrxwjhf9sj5ykrp
3PMiLynrGVZ8oEqvoqC4hXD67B1WoALR4pc
3ESHude8zUHksQg1h6hHmzY79BS36L91Yn
DLUzwvyxN1RrwjByUPPzVMdfxNRPGVRMMA
t1J6GCPCiHW1eRdjJgDDu6b1vSVmL5U7Twh
stars125f3mw4xd9htpsq4zj5w5ezm5gags37yxxh6mj
bnb1msyt0djx4ecspfxg5en0ye465kg3kmv9utzml2
bc1ppypcmu3684n648gyj62gjp2rw0xy7w3vwfamatlg29ajp4z52desafa0sr
bc1qc9edl4hzl9jyt8twdad3zjeh2df2znq96tdezd
bitcoincash:qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r
GBQJMXYXPRIWFMXIFJR35ZB7LRKMB4PHCIUAUFR3TKUL6RDBZVLZEUJ3
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mutex
mmn7nnm8na
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user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36
Extracted
phorphiex
http://185.215.113.84
Signatures
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Modifies security service 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wuauserv\Start = "4" sysppvrdnvs.exe -
Phorphiex family
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Phorphiex payload 1 IoCs
resource yara_rule behavioral1/files/0x0008000000016f02-15.dat family_phorphiex -
Suspicious use of NtCreateUserProcessOtherParentProcess 5 IoCs
description pid Process procid_target PID 2232 created 1200 2232 3049325035.exe 21 PID 2232 created 1200 2232 3049325035.exe 21 PID 1968 created 1200 1968 winupsecvmgr.exe 21 PID 1968 created 1200 1968 winupsecvmgr.exe 21 PID 1968 created 1200 1968 winupsecvmgr.exe 21 -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" sysppvrdnvs.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" sysppvrdnvs.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" sysppvrdnvs.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" sysppvrdnvs.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" sysppvrdnvs.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesOverride = "1" sysppvrdnvs.exe -
Xmrig family
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XMRig Miner payload 2 IoCs
resource yara_rule behavioral1/memory/1968-101-0x000000013FFE0000-0x0000000140577000-memory.dmp xmrig behavioral1/memory/1572-103-0x0000000140000000-0x00000001407EF000-memory.dmp xmrig -
Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 988 powershell.exe 2980 powershell.exe 2596 powershell.exe -
Downloads MZ/PE file
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Executes dropped EXE 9 IoCs
pid Process 2656 ECDE.exe 2864 1286320489.exe 2624 sysppvrdnvs.exe 2208 2777716772.exe 2068 117837843.exe 996 2832831890.exe 2676 1494922912.exe 2232 3049325035.exe 1968 winupsecvmgr.exe -
Loads dropped DLL 8 IoCs
pid Process 2656 ECDE.exe 2656 ECDE.exe 2624 sysppvrdnvs.exe 2624 sysppvrdnvs.exe 2624 sysppvrdnvs.exe 2624 sysppvrdnvs.exe 996 2832831890.exe 2444 taskeng.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesOverride = "1" sysppvrdnvs.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" sysppvrdnvs.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" sysppvrdnvs.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" sysppvrdnvs.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiSpywareOverride = "1" sysppvrdnvs.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" sysppvrdnvs.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" sysppvrdnvs.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\sysppvrdnvs.exe" 1286320489.exe -
Drops file in System32 directory 2 IoCs
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 -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1968 set thread context of 1620 1968 winupsecvmgr.exe 70 PID 1968 set thread context of 1572 1968 winupsecvmgr.exe 71 -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\sysppvrdnvs.exe 1286320489.exe File opened for modification C:\Windows\sysppvrdnvs.exe 1286320489.exe -
Launches sc.exe 5 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1320 sc.exe 884 sc.exe 2536 sc.exe 2844 sc.exe 2872 sc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 13 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2832831890.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1286320489.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sysppvrdnvs.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1494922912.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ECDE.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2988 schtasks.exe 2268 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 988 powershell.exe 2208 2777716772.exe 2232 3049325035.exe 2232 3049325035.exe 2980 powershell.exe 2232 3049325035.exe 2232 3049325035.exe 1968 winupsecvmgr.exe 1968 winupsecvmgr.exe 2596 powershell.exe 1968 winupsecvmgr.exe 1968 winupsecvmgr.exe 1968 winupsecvmgr.exe 1968 winupsecvmgr.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 988 powershell.exe Token: SeDebugPrivilege 2208 2777716772.exe Token: SeDebugPrivilege 2980 powershell.exe Token: SeDebugPrivilege 2596 powershell.exe Token: SeLockMemoryPrivilege 1572 dwm.exe Token: SeLockMemoryPrivilege 1572 dwm.exe -
Suspicious use of FindShellTrayWindow 18 IoCs
pid Process 1572 dwm.exe 1572 dwm.exe 1572 dwm.exe 1572 dwm.exe 1572 dwm.exe 1572 dwm.exe 1572 dwm.exe 1572 dwm.exe 1572 dwm.exe 1572 dwm.exe 1572 dwm.exe 1572 dwm.exe 1572 dwm.exe 1572 dwm.exe 1572 dwm.exe 1572 dwm.exe 1572 dwm.exe 1572 dwm.exe -
Suspicious use of SendNotifyMessage 18 IoCs
pid Process 1572 dwm.exe 1572 dwm.exe 1572 dwm.exe 1572 dwm.exe 1572 dwm.exe 1572 dwm.exe 1572 dwm.exe 1572 dwm.exe 1572 dwm.exe 1572 dwm.exe 1572 dwm.exe 1572 dwm.exe 1572 dwm.exe 1572 dwm.exe 1572 dwm.exe 1572 dwm.exe 1572 dwm.exe 1572 dwm.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2996 wrote to memory of 2656 2996 2024-10-29_4d339a2f921fcac88f6f17702fca7436_ryuk.exe 31 PID 2996 wrote to memory of 2656 2996 2024-10-29_4d339a2f921fcac88f6f17702fca7436_ryuk.exe 31 PID 2996 wrote to memory of 2656 2996 2024-10-29_4d339a2f921fcac88f6f17702fca7436_ryuk.exe 31 PID 2996 wrote to memory of 2656 2996 2024-10-29_4d339a2f921fcac88f6f17702fca7436_ryuk.exe 31 PID 2656 wrote to memory of 2864 2656 ECDE.exe 32 PID 2656 wrote to memory of 2864 2656 ECDE.exe 32 PID 2656 wrote to memory of 2864 2656 ECDE.exe 32 PID 2656 wrote to memory of 2864 2656 ECDE.exe 32 PID 2864 wrote to memory of 2624 2864 1286320489.exe 34 PID 2864 wrote to memory of 2624 2864 1286320489.exe 34 PID 2864 wrote to memory of 2624 2864 1286320489.exe 34 PID 2864 wrote to memory of 2624 2864 1286320489.exe 34 PID 2624 wrote to memory of 1964 2624 sysppvrdnvs.exe 35 PID 2624 wrote to memory of 1964 2624 sysppvrdnvs.exe 35 PID 2624 wrote to memory of 1964 2624 sysppvrdnvs.exe 35 PID 2624 wrote to memory of 1964 2624 sysppvrdnvs.exe 35 PID 2624 wrote to memory of 1032 2624 sysppvrdnvs.exe 37 PID 2624 wrote to memory of 1032 2624 sysppvrdnvs.exe 37 PID 2624 wrote to memory of 1032 2624 sysppvrdnvs.exe 37 PID 2624 wrote to memory of 1032 2624 sysppvrdnvs.exe 37 PID 1964 wrote to memory of 988 1964 cmd.exe 39 PID 1964 wrote to memory of 988 1964 cmd.exe 39 PID 1964 wrote to memory of 988 1964 cmd.exe 39 PID 1964 wrote to memory of 988 1964 cmd.exe 39 PID 1032 wrote to memory of 2536 1032 cmd.exe 40 PID 1032 wrote to memory of 2536 1032 cmd.exe 40 PID 1032 wrote to memory of 2536 1032 cmd.exe 40 PID 1032 wrote to memory of 2536 1032 cmd.exe 40 PID 1032 wrote to memory of 2844 1032 cmd.exe 41 PID 1032 wrote to memory of 2844 1032 cmd.exe 41 PID 1032 wrote to memory of 2844 1032 cmd.exe 41 PID 1032 wrote to memory of 2844 1032 cmd.exe 41 PID 1032 wrote to memory of 2872 1032 cmd.exe 42 PID 1032 wrote to memory of 2872 1032 cmd.exe 42 PID 1032 wrote to memory of 2872 1032 cmd.exe 42 PID 1032 wrote to memory of 2872 1032 cmd.exe 42 PID 1032 wrote to memory of 1320 1032 cmd.exe 43 PID 1032 wrote to memory of 1320 1032 cmd.exe 43 PID 1032 wrote to memory of 1320 1032 cmd.exe 43 PID 1032 wrote to memory of 1320 1032 cmd.exe 43 PID 1032 wrote to memory of 884 1032 cmd.exe 44 PID 1032 wrote to memory of 884 1032 cmd.exe 44 PID 1032 wrote to memory of 884 1032 cmd.exe 44 PID 1032 wrote to memory of 884 1032 cmd.exe 44 PID 2624 wrote to memory of 2208 2624 sysppvrdnvs.exe 47 PID 2624 wrote to memory of 2208 2624 sysppvrdnvs.exe 47 PID 2624 wrote to memory of 2208 2624 sysppvrdnvs.exe 47 PID 2624 wrote to memory of 2208 2624 sysppvrdnvs.exe 47 PID 2208 wrote to memory of 2968 2208 2777716772.exe 48 PID 2208 wrote to memory of 2968 2208 2777716772.exe 48 PID 2208 wrote to memory of 2968 2208 2777716772.exe 48 PID 2208 wrote to memory of 2948 2208 2777716772.exe 50 PID 2208 wrote to memory of 2948 2208 2777716772.exe 50 PID 2208 wrote to memory of 2948 2208 2777716772.exe 50 PID 2968 wrote to memory of 1660 2968 cmd.exe 52 PID 2968 wrote to memory of 1660 2968 cmd.exe 52 PID 2968 wrote to memory of 1660 2968 cmd.exe 52 PID 2948 wrote to memory of 984 2948 cmd.exe 53 PID 2948 wrote to memory of 984 2948 cmd.exe 53 PID 2948 wrote to memory of 984 2948 cmd.exe 53 PID 2624 wrote to memory of 2068 2624 sysppvrdnvs.exe 54 PID 2624 wrote to memory of 2068 2624 sysppvrdnvs.exe 54 PID 2624 wrote to memory of 2068 2624 sysppvrdnvs.exe 54 PID 2624 wrote to memory of 2068 2624 sysppvrdnvs.exe 54 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1200
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C:\Users\Admin\AppData\Local\Temp\2024-10-29_4d339a2f921fcac88f6f17702fca7436_ryuk.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-29_4d339a2f921fcac88f6f17702fca7436_ryuk.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2996 -
C:\Users\Admin\AppData\Local\Temp\ECDE.exe"C:\Users\Admin\AppData\Local\Temp\ECDE.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2656 -
C:\Users\Admin\AppData\Local\Temp\1286320489.exeC:\Users\Admin\AppData\Local\Temp\1286320489.exe4⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2864 -
C:\Windows\sysppvrdnvs.exeC:\Windows\sysppvrdnvs.exe5⤵
- Modifies security service
- Windows security bypass
- Executes dropped EXE
- Loads dropped DLL
- Windows security modification
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2624 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c powershell -Command "Add-MpPreference -ExclusionPath $env:windir; Add-MpPreference -ExclusionPath $env:TEMP; Add-MpPreference -ExclusionPath $env:USERPROFILE"6⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1964 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -Command "Add-MpPreference -ExclusionPath $env:windir; Add-MpPreference -ExclusionPath $env:TEMP; Add-MpPreference -ExclusionPath $env:USERPROFILE"7⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:988
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c sc stop UsoSvc & sc stop WaaSMedicSvc & sc stop wuauserv & sc stop DoSvc & sc stop BITS /wait6⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1032 -
C:\Windows\SysWOW64\sc.exesc stop UsoSvc7⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2536
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C:\Windows\SysWOW64\sc.exesc stop WaaSMedicSvc7⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2844
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C:\Windows\SysWOW64\sc.exesc stop wuauserv7⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2872
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C:\Windows\SysWOW64\sc.exesc stop DoSvc7⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:1320
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C:\Windows\SysWOW64\sc.exesc stop BITS /wait7⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:884
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C:\Users\Admin\AppData\Local\Temp\2777716772.exeC:\Users\Admin\AppData\Local\Temp\2777716772.exe6⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2208 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c reg delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "Windows Upgrade Manager" /f7⤵
- Suspicious use of WriteProcessMemory
PID:2968 -
C:\Windows\system32\reg.exereg delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "Windows Upgrade Manager" /f8⤵PID:1660
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /delete /f /tn "Windows Upgrade Manager"7⤵
- Suspicious use of WriteProcessMemory
PID:2948 -
C:\Windows\system32\schtasks.exeschtasks /delete /f /tn "Windows Upgrade Manager"8⤵PID:984
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C:\Users\Admin\AppData\Local\Temp\117837843.exeC:\Users\Admin\AppData\Local\Temp\117837843.exe6⤵
- Executes dropped EXE
PID:2068
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C:\Users\Admin\AppData\Local\Temp\2832831890.exeC:\Users\Admin\AppData\Local\Temp\2832831890.exe6⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:996 -
C:\Users\Admin\AppData\Local\Temp\3049325035.exeC:\Users\Admin\AppData\Local\Temp\3049325035.exe7⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2232
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C:\Users\Admin\AppData\Local\Temp\1494922912.exeC:\Users\Admin\AppData\Local\Temp\1494922912.exe6⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2676
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeC:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#evrkcgqew#> IF([System.Environment]::OSVersion.Version -lt [System.Version]"6.2") { schtasks /create /f /sc onlogon /rl highest /tn 'Microsoft Windows Security' /tr '''C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe''' } Else { Register-ScheduledTask -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe') -Trigger (New-ScheduledTaskTrigger -AtLogOn) -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DisallowHardTerminate -DontStopIfGoingOnBatteries -DontStopOnIdleEnd -ExecutionTimeLimit (New-TimeSpan -Days 1000)) -TaskName 'Microsoft Windows Security' -RunLevel 'Highest' -Force; }2⤵
- Command and Scripting Interpreter: PowerShell
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2980 -
C:\Windows\system32\schtasks.exe"C:\Windows\system32\schtasks.exe" /create /f /sc onlogon /rl highest /tn "Microsoft Windows Security" /tr "'C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe'"3⤵
- Scheduled Task/Job: Scheduled Task
PID:2988
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C:\Windows\System32\schtasks.exeC:\Windows\System32\schtasks.exe /run /tn "Microsoft Windows Security"2⤵PID:1072
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeC:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#evrkcgqew#> IF([System.Environment]::OSVersion.Version -lt [System.Version]"6.2") { schtasks /create /f /sc onlogon /rl highest /tn 'Microsoft Windows Security' /tr '''C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe''' } Else { Register-ScheduledTask -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe') -Trigger (New-ScheduledTaskTrigger -AtLogOn) -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DisallowHardTerminate -DontStopIfGoingOnBatteries -DontStopOnIdleEnd -ExecutionTimeLimit (New-TimeSpan -Days 1000)) -TaskName 'Microsoft Windows Security' -RunLevel 'Highest' -Force; }2⤵
- Command and Scripting Interpreter: PowerShell
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2596 -
C:\Windows\system32\schtasks.exe"C:\Windows\system32\schtasks.exe" /create /f /sc onlogon /rl highest /tn "Microsoft Windows Security" /tr "'C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe'"3⤵
- Scheduled Task/Job: Scheduled Task
PID:2268
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C:\Windows\System32\conhost.exeC:\Windows\System32\conhost.exe2⤵PID:1620
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C:\Windows\System32\dwm.exeC:\Windows\System32\dwm.exe2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1572
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C:\Windows\system32\taskeng.exetaskeng.exe {E31E31B5-8F1D-4629-B26C-927ACA86E570} S-1-5-21-3063565911-2056067323-3330884624-1000:KHBTHJFA\Admin:Interactive:[1]1⤵
- Loads dropped DLL
PID:2444 -
C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe"C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
PID:1968
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1System Services
1Service Execution
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
108KB
MD51fcb78fb6cf9720e9d9494c42142d885
SHA1fef9c2e728ab9d56ce9ed28934b3182b6f1d5379
SHA25684652bb8c63ca4fd7eb7a2d6ef44029801f3057aa2961867245a3a765928dd02
SHA512cdf58e463af1784aea86995b3e5d6b07701c5c4095e30ec80cc901ffd448c6f4f714c521bf8796ffa8c47538bf8bf5351e157596efaa7ab88155d63dc33f7dc3
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Filesize
83KB
MD506560b5e92d704395bc6dae58bc7e794
SHA1fbd3e4ae28620197d1f02bfc24adaf4ddacd2372
SHA2569eaaadf3857e4a3e83f4f78d96ab185213b6528c8e470807f9d16035daadf33d
SHA512b55b49fc1bd526c47d88fcf8a20fcaed900bfb291f2e3e1186ec196a87127ed24df71385ae04fedcc802c362c4ebf38edfc182013febf4496ddeb66ce5195ee3
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Filesize
5.6MB
MD513b26b2c7048a92d6a843c1302618fad
SHA189c2dfc01ac12ef2704c7669844ec69f1700c1ca
SHA2561753ad35ece25ab9a19048c70062e9170f495e313d7355ebbba59c38f5d90256
SHA512d6aff89b61c9945002a6798617ad304612460a607ef1cfbdcb32f8932ca648bcee1d5f2e0321bb4c58c1f4642b1e0ececc1eb82450fdec7dff69b5389f195455
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Filesize
9KB
MD58d8e6c7952a9dc7c0c73911c4dbc5518
SHA19098da03b33b2c822065b49d5220359c275d5e94
SHA256feb4c3ae4566f0acbb9e0f55417b61fefd89dc50a4e684df780813fb01d61278
SHA51291a573843c28dd32a9f31a60ba977f9a3d4bb19ffd1b7254333e09bcecef348c1b3220a348ebb2cb08edb57d56cb7737f026519da52199c9dc62c10aea236645
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\XDXTQ4FKEF0P7T4ZSWT5.temp
Filesize7KB
MD535fffa71237fdc6c7938bdc2a5bf4289
SHA115735def1b54130560e1fdeb5b7b48645de0dc15
SHA2569ff3c279e32f5aa61dfda58e4efb0a98d30ac39f287989ed4252e88c096555d4
SHA5122466af50f793aa2b66509ce242d358f1163721881973afed3d53a43206b5885ea4de47c399de3dda73039cae5992dcae6ec0838d218486596340f3fe18e7abe7
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Filesize
15KB
MD50c37ee292fec32dba0420e6c94224e28
SHA1012cbdddaddab319a4b3ae2968b42950e929c46b
SHA256981d724feebc36777e99513dc061d1f009e589f965c920797285c46d863060d1
SHA5122b60b571c55d0441ba0cfc695f9db5cd12660ebec7effc7e893c3b7a1c6cb6149df487c31b8d748697e260cbc4af29331592b705ea9638f64a711c7a6164628b
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Filesize
13KB
MD55a0d146f7a911e98da8cc3c6de8acabf
SHA14ec56b14a08c897a5e9e85f5545b6c976a0be3c1
SHA256bf61e77b7c49ce3346a28d8bc084c210618ea6ec5f3cfa9ae8f4aa4d64e145f1
SHA5126d1526a5f467535d51b7f9b3a7af2d54512526e2523e3048082277b83b6e1a1f0d7e3c617405898f240ae84a16163bc47886d8541a016b31c51dfadf9da713e1
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Filesize
8KB
MD5cb8420e681f68db1bad5ed24e7b22114
SHA1416fc65d538d3622f5ca71c667a11df88a927c31
SHA2565850892f67f85991b31fc90f62c8b7791afeb3c08ae1877d857aa2b59471a2ea
SHA512baaabcc4ad5d409267a34ed7b20e4afb4d247974bfc581d39aae945e5bf8a673a1f8eacae2e6783480c8baaeb0a80d028274a202d456f13d0af956afa0110fdf
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Filesize
10KB
MD596509ab828867d81c1693b614b22f41d
SHA1c5f82005dbda43cedd86708cc5fc3635a781a67e
SHA256a9de2927b0ec45cf900508fec18531c04ee9fa8a5dfe2fc82c67d9458cf4b744
SHA512ff603117a06da8fb2386c1d2049a5896774e41f34d05951ecd4e7b5fc9da51a373e3fcf61af3577ff78490cf898471ce8e71eae848a12812fe98cd7e76e1a9ca