Analysis
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max time kernel
113s -
max time network
109s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
22-01-2025 21:21
Static task
static1
Behavioral task
behavioral1
Sample
0e5d6d7455500de7bd42b9d31e16c2171732862f5ae90df3e6f6c4d5e6c549d2N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
0e5d6d7455500de7bd42b9d31e16c2171732862f5ae90df3e6f6c4d5e6c549d2N.exe
Resource
win10v2004-20241007-en
General
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Target
0e5d6d7455500de7bd42b9d31e16c2171732862f5ae90df3e6f6c4d5e6c549d2N.exe
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Size
1.1MB
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MD5
7559363bcde67b6e24ea2f94554930b0
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SHA1
0e96e8b585f27f55ea67464e50b1d6dfe9651cae
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SHA256
0e5d6d7455500de7bd42b9d31e16c2171732862f5ae90df3e6f6c4d5e6c549d2
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SHA512
08ac7b3024c7ebfc9a40a494227944baadd01835be99b0beda38548781e401f73280f77551e25f8c38296ff93519f7269031a790929d10170ee2641d572becdf
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SSDEEP
24576:1u6J33O0c+JY5UZ+XC0kGso6FakCsU4yYhK3x9uZ3WYi:Xu0c++OCvkGs9Fak4BYi
Malware Config
Extracted
remcos
2.2.0 Pro
RemoteHost
185.217.1.142:3337
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audio_folder
MicRecords
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audio_path
%AppData%
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audio_record_time
5
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connect_delay
0
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connect_interval
3
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copy_file
remcos.exe
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copy_folder
remcos
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delete_file
true
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hide_file
false
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hide_keylog_file
false
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install_flag
true
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install_path
%AppData%
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keylog_crypt
false
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keylog_file
logs.dat
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keylog_flag
false
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keylog_folder
remcos
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keylog_path
%AppData%
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mouse_option
false
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mutex
Remcos-VBI2IL
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screenshot_crypt
false
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screenshot_flag
false
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screenshot_folder
Screenshots
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screenshot_path
%AppData%
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screenshot_time
10
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startup_value
remcos
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take_screenshot_option
false
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take_screenshot_time
5
Signatures
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Modifies WinLogon for persistence 2 TTPs 3 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\WINDOWS\\system32\\userinit.exe, \"C:\\Users\\Admin\\AppData\\Roaming\\remcos\\remcos.exe\"" 0e5d6d7455500de7bd42b9d31e16c2171732862f5ae90df3e6f6c4d5e6c549d2N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\WINDOWS\\system32\\userinit.exe, \"C:\\Users\\Admin\\AppData\\Roaming\\remcos\\remcos.exe\"" Dxpserver.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\WINDOWS\\system32\\userinit.exe, \"C:\\Users\\Admin\\AppData\\Roaming\\remcos\\remcos.exe\"" Dxpserver.exe -
Remcos family
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Checks computer location settings 2 TTPs 6 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation Dxpserver.exe Key value queried \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation Dxpserver.exe Key value queried \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation Dxpserver.exe Key value queried \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation Dxpserver.exe Key value queried \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation 0e5d6d7455500de7bd42b9d31e16c2171732862f5ae90df3e6f6c4d5e6c549d2N.exe Key value queried \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation 0e5d6d7455500de7bd42b9d31e16c2171732862f5ae90df3e6f6c4d5e6c549d2N.exe -
Executes dropped EXE 4 IoCs
pid Process 4012 Dxpserver.exe 4924 Dxpserver.exe 2916 Dxpserver.exe 5064 Dxpserver.exe -
Adds Run key to start application 2 TTPs 3 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\remcos = "\"C:\\Users\\Admin\\AppData\\Roaming\\remcos\\remcos.exe\"" 0e5d6d7455500de7bd42b9d31e16c2171732862f5ae90df3e6f6c4d5e6c549d2N.exe Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\remcos = "\"C:\\Users\\Admin\\AppData\\Roaming\\remcos\\remcos.exe\"" Dxpserver.exe Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\remcos = "\"C:\\Users\\Admin\\AppData\\Roaming\\remcos\\remcos.exe\"" Dxpserver.exe -
Modifies WinLogon 2 TTPs 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\ 0e5d6d7455500de7bd42b9d31e16c2171732862f5ae90df3e6f6c4d5e6c549d2N.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\ Dxpserver.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\ Dxpserver.exe -
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/files/0x0007000000023cac-15.dat autoit_exe -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 4004 set thread context of 2176 4004 0e5d6d7455500de7bd42b9d31e16c2171732862f5ae90df3e6f6c4d5e6c549d2N.exe 83 PID 4012 set thread context of 4924 4012 Dxpserver.exe 106 PID 2916 set thread context of 5064 2916 Dxpserver.exe 113 -
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 12 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 schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Dxpserver.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Dxpserver.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 0e5d6d7455500de7bd42b9d31e16c2171732862f5ae90df3e6f6c4d5e6c549d2N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Dxpserver.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Dxpserver.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WScript.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WScript.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 0e5d6d7455500de7bd42b9d31e16c2171732862f5ae90df3e6f6c4d5e6c549d2N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WScript.exe -
Modifies registry class 3 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000_Classes\Local Settings 0e5d6d7455500de7bd42b9d31e16c2171732862f5ae90df3e6f6c4d5e6c549d2N.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000_Classes\Local Settings Dxpserver.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000_Classes\Local Settings Dxpserver.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4284 schtasks.exe 4476 schtasks.exe 832 schtasks.exe -
Suspicious use of WriteProcessMemory 33 IoCs
description pid Process procid_target PID 4004 wrote to memory of 2176 4004 0e5d6d7455500de7bd42b9d31e16c2171732862f5ae90df3e6f6c4d5e6c549d2N.exe 83 PID 4004 wrote to memory of 2176 4004 0e5d6d7455500de7bd42b9d31e16c2171732862f5ae90df3e6f6c4d5e6c549d2N.exe 83 PID 4004 wrote to memory of 2176 4004 0e5d6d7455500de7bd42b9d31e16c2171732862f5ae90df3e6f6c4d5e6c549d2N.exe 83 PID 4004 wrote to memory of 2176 4004 0e5d6d7455500de7bd42b9d31e16c2171732862f5ae90df3e6f6c4d5e6c549d2N.exe 83 PID 4004 wrote to memory of 2176 4004 0e5d6d7455500de7bd42b9d31e16c2171732862f5ae90df3e6f6c4d5e6c549d2N.exe 83 PID 2176 wrote to memory of 2192 2176 0e5d6d7455500de7bd42b9d31e16c2171732862f5ae90df3e6f6c4d5e6c549d2N.exe 84 PID 2176 wrote to memory of 2192 2176 0e5d6d7455500de7bd42b9d31e16c2171732862f5ae90df3e6f6c4d5e6c549d2N.exe 84 PID 2176 wrote to memory of 2192 2176 0e5d6d7455500de7bd42b9d31e16c2171732862f5ae90df3e6f6c4d5e6c549d2N.exe 84 PID 4004 wrote to memory of 4284 4004 0e5d6d7455500de7bd42b9d31e16c2171732862f5ae90df3e6f6c4d5e6c549d2N.exe 96 PID 4004 wrote to memory of 4284 4004 0e5d6d7455500de7bd42b9d31e16c2171732862f5ae90df3e6f6c4d5e6c549d2N.exe 96 PID 4004 wrote to memory of 4284 4004 0e5d6d7455500de7bd42b9d31e16c2171732862f5ae90df3e6f6c4d5e6c549d2N.exe 96 PID 4012 wrote to memory of 4924 4012 Dxpserver.exe 106 PID 4012 wrote to memory of 4924 4012 Dxpserver.exe 106 PID 4012 wrote to memory of 4924 4012 Dxpserver.exe 106 PID 4012 wrote to memory of 4924 4012 Dxpserver.exe 106 PID 4012 wrote to memory of 4924 4012 Dxpserver.exe 106 PID 4924 wrote to memory of 1088 4924 Dxpserver.exe 107 PID 4924 wrote to memory of 1088 4924 Dxpserver.exe 107 PID 4924 wrote to memory of 1088 4924 Dxpserver.exe 107 PID 4012 wrote to memory of 4476 4012 Dxpserver.exe 109 PID 4012 wrote to memory of 4476 4012 Dxpserver.exe 109 PID 4012 wrote to memory of 4476 4012 Dxpserver.exe 109 PID 2916 wrote to memory of 5064 2916 Dxpserver.exe 113 PID 2916 wrote to memory of 5064 2916 Dxpserver.exe 113 PID 2916 wrote to memory of 5064 2916 Dxpserver.exe 113 PID 2916 wrote to memory of 5064 2916 Dxpserver.exe 113 PID 2916 wrote to memory of 5064 2916 Dxpserver.exe 113 PID 5064 wrote to memory of 2820 5064 Dxpserver.exe 114 PID 5064 wrote to memory of 2820 5064 Dxpserver.exe 114 PID 5064 wrote to memory of 2820 5064 Dxpserver.exe 114 PID 2916 wrote to memory of 832 2916 Dxpserver.exe 116 PID 2916 wrote to memory of 832 2916 Dxpserver.exe 116 PID 2916 wrote to memory of 832 2916 Dxpserver.exe 116
Processes
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C:\Users\Admin\AppData\Local\Temp\0e5d6d7455500de7bd42b9d31e16c2171732862f5ae90df3e6f6c4d5e6c549d2N.exe"C:\Users\Admin\AppData\Local\Temp\0e5d6d7455500de7bd42b9d31e16c2171732862f5ae90df3e6f6c4d5e6c549d2N.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4004 -
C:\Users\Admin\AppData\Local\Temp\0e5d6d7455500de7bd42b9d31e16c2171732862f5ae90df3e6f6c4d5e6c549d2N.exe"C:\Users\Admin\AppData\Local\Temp\0e5d6d7455500de7bd42b9d31e16c2171732862f5ae90df3e6f6c4d5e6c549d2N.exe"2⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Modifies WinLogon
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2176 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\install.vbs"3⤵
- System Location Discovery: System Language Discovery
PID:2192
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\SysWOW64\schtasks.exe" /create /tn cttunesvr /tr "C:\Users\Admin\AppData\Roaming\adprovider\Dxpserver.exe" /sc minute /mo 1 /F2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4284
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C:\Users\Admin\AppData\Roaming\adprovider\Dxpserver.exeC:\Users\Admin\AppData\Roaming\adprovider\Dxpserver.exe1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4012 -
C:\Users\Admin\AppData\Roaming\adprovider\Dxpserver.exe"C:\Users\Admin\AppData\Roaming\adprovider\Dxpserver.exe"2⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- Modifies WinLogon
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4924 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\install.vbs"3⤵
- System Location Discovery: System Language Discovery
PID:1088
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\SysWOW64\schtasks.exe" /create /tn cttunesvr /tr "C:\Users\Admin\AppData\Roaming\adprovider\Dxpserver.exe" /sc minute /mo 1 /F2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4476
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C:\Users\Admin\AppData\Roaming\adprovider\Dxpserver.exeC:\Users\Admin\AppData\Roaming\adprovider\Dxpserver.exe1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2916 -
C:\Users\Admin\AppData\Roaming\adprovider\Dxpserver.exe"C:\Users\Admin\AppData\Roaming\adprovider\Dxpserver.exe"2⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- Modifies WinLogon
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:5064 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\install.vbs"3⤵
- System Location Discovery: System Language Discovery
PID:2820
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\SysWOW64\schtasks.exe" /create /tn cttunesvr /tr "C:\Users\Admin\AppData\Roaming\adprovider\Dxpserver.exe" /sc minute /mo 1 /F2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:832
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
1Winlogon Helper DLL
2Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
1Winlogon Helper DLL
2Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
660B
MD5c376eb6601afce2d87546155ad8faa33
SHA12a3527cf1b62bd47290aad63fc4694c1db5226f2
SHA2563f87dc44e7df5f98b56178b3d421ae18cb2d1486c94e415332d00627af581137
SHA512d2ac3600aca28be3ab89bbd51b71cdd459dee90ee1bd55c5a307fe9cb89aeb44409a0821069a753052145795871beb167b7b88d1502a1104026e8e4861f23c3a
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Filesize
564B
MD5e221e7bd7e33aef4a5264f798818142e
SHA13545dbcc35de80c8f15da0daceab80acd0f1ae22
SHA256f37e43a3504c163fa4a82bacc92ceb8cccd37d1020fbba95cc954f316ce49516
SHA51204775d0fa21526bbbaa2deea13af1d5fab6183ea3a2809073539293da78e20f1cf4b9a4afdeafb1b4e8ce17a5be40f44364808ab73c174c98bce53ad8a1807d8
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Filesize
1.1MB
MD57b683d3dbc5e008187d04a3dbfebbc05
SHA126751772b4f3f299ed9168eadbfbcaa0ba42d823
SHA256c63b1c38b20fa7310262c5ee21da2e7bc919e696ae26a3d8acfd2c4fed212371
SHA5121ebcf3c99747688478ba11f4fbfe1cf27c8dc42f05fada7d3ab6599f933a9b43e65af937efdcd4ebe2c5a59b427fa2af08b3a9c85f8d2055e0d589e14346fe1a