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Resubmissions
19/03/2024, 19:18
240319-x1bmcscg49 819/03/2024, 19:14
240319-xxqxwacf52 819/03/2024, 19:13
240319-xw6a6sde2x 8Analysis
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max time kernel
1800s -
max time network
1803s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
19/03/2024, 19:13
Behavioral task
behavioral1
Sample
Email-Worm.Win32.Magold.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Email-Worm.Win32.Magold.exe
Resource
win10v2004-20240226-en
General
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Target
Email-Worm.Win32.Magold.exe
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Size
235KB
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MD5
d40a18b03a699f63ee469a7b39ae86a7
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SHA1
45eb3a218beded8bc4faa70d6ef5519bbddcb749
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SHA256
8dd1796ca7db68bc3e7daa76b17b71e162f287949185695cbbf33833ad1cc67c
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SHA512
d4a3f67cee28cd146d9c642ae64f2f39be0d2e2c386f5a0c21eadd89a010a8b3997406f662ed598d2fbea600f1044235e1e485c165da2a6e06e86e2f3b75ec1a
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SSDEEP
3072:tGY6jEqdhFidUwFoRXbMRT4NIcmvyk2GqrUVksD3XRmY1n188bcXzwQsEv6/v49S:tGNrXcdUwQMRkNIc1rUeORmN8FpgL
Malware Config
Signatures
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Disables Task Manager via registry modification
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Executes dropped EXE 1 IoCs
pid Process 4616 rave.exe -
Modifies system executable filetype association 2 TTPs 8 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command Email-Worm.Win32.Magold.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command\ = "C:\\Windows\\raVe.exe \"%1\" %*" Email-Worm.Win32.Magold.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command Email-Worm.Win32.Magold.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command\ = "C:\\Windows\\raVe.exe \"%1\" %*" Email-Worm.Win32.Magold.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command Email-Worm.Win32.Magold.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command\ = "C:\\Windows\\raVe.exe \"%1\" %*" Email-Worm.Win32.Magold.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command Email-Worm.Win32.Magold.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\raVe.exe \"%1\" %*" Email-Worm.Win32.Magold.exe -
resource yara_rule behavioral2/memory/1984-0-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/1984-4-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/files/0x000800000002332e-6.dat upx behavioral2/memory/4616-8-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/1984-11-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/4616-12-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/4616-13-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/4616-15-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/4616-17-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/4616-19-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/4616-20-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/4616-22-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/4616-23-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/4616-25-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/4616-27-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/4616-28-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/4616-30-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/4616-33-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/4616-35-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/4616-36-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/4616-38-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/4616-40-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/4616-41-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/4616-43-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/4616-45-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/4616-46-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/4616-48-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/4616-49-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/4616-51-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/4616-52-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/4616-53-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/4616-54-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/4616-55-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/4616-56-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/4616-57-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/4616-58-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/4616-59-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/4616-60-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/4616-61-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/4616-62-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/4616-63-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/4616-64-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/4616-65-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/4616-66-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/4616-67-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/4616-68-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/4616-69-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/4616-70-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/4616-71-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/4616-72-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/4616-73-0x0000000000400000-0x00000000004A6000-memory.dmp upx behavioral2/memory/4616-74-0x0000000000400000-0x00000000004A6000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\raVe = "C:\\Windows\\raVe.exe" Email-Worm.Win32.Magold.exe -
Enumerates connected drives 3 TTPs 47 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\H: Email-Worm.Win32.Magold.exe File opened (read-only) \??\M: Email-Worm.Win32.Magold.exe File opened (read-only) \??\O: rave.exe File opened (read-only) \??\Q: rave.exe File opened (read-only) \??\S: rave.exe File opened (read-only) \??\K: Email-Worm.Win32.Magold.exe File opened (read-only) \??\Q: Email-Worm.Win32.Magold.exe File opened (read-only) \??\Y: Email-Worm.Win32.Magold.exe File opened (read-only) \??\Z: Email-Worm.Win32.Magold.exe File opened (read-only) \??\H: rave.exe File opened (read-only) \??\K: rave.exe File opened (read-only) \??\D: rave.exe File opened (read-only) \??\A: Email-Worm.Win32.Magold.exe File opened (read-only) \??\E: Email-Worm.Win32.Magold.exe File opened (read-only) \??\V: Email-Worm.Win32.Magold.exe File opened (read-only) \??\W: Email-Worm.Win32.Magold.exe File opened (read-only) \??\E: rave.exe File opened (read-only) \??\P: rave.exe File opened (read-only) \??\U: rave.exe File opened (read-only) \??\B: Email-Worm.Win32.Magold.exe File opened (read-only) \??\N: Email-Worm.Win32.Magold.exe File opened (read-only) \??\B: rave.exe File opened (read-only) \??\J: rave.exe File opened (read-only) \??\N: rave.exe File opened (read-only) \??\R: rave.exe File opened (read-only) \??\X: rave.exe File opened (read-only) \??\Y: rave.exe File opened (read-only) \??\G: Email-Worm.Win32.Magold.exe File opened (read-only) \??\I: Email-Worm.Win32.Magold.exe File opened (read-only) \??\J: Email-Worm.Win32.Magold.exe File opened (read-only) \??\O: Email-Worm.Win32.Magold.exe File opened (read-only) \??\M: rave.exe File opened (read-only) \??\V: rave.exe File opened (read-only) \??\W: rave.exe File opened (read-only) \??\Z: rave.exe File opened (read-only) \??\L: Email-Worm.Win32.Magold.exe File opened (read-only) \??\R: Email-Worm.Win32.Magold.exe File opened (read-only) \??\T: Email-Worm.Win32.Magold.exe File opened (read-only) \??\U: Email-Worm.Win32.Magold.exe File opened (read-only) \??\T: rave.exe File opened (read-only) \??\P: Email-Worm.Win32.Magold.exe File opened (read-only) \??\S: Email-Worm.Win32.Magold.exe File opened (read-only) \??\X: Email-Worm.Win32.Magold.exe File opened (read-only) \??\A: rave.exe File opened (read-only) \??\G: rave.exe File opened (read-only) \??\I: rave.exe File opened (read-only) \??\L: rave.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\raVec.txt rave.exe -
Drops file in Program Files directory 10 IoCs
description ioc Process File created C:\Program Files (x86)\Bearshare\Shared\Maya Gold.scr rave.exe File created C:\Program Files (x86)\Edonkey2000\Incoming\Maya Gold.scr rave.exe File created C:\Program Files (x86)\Morpheus\My Shared Folder\Maya Gold.scr rave.exe File created C:\Program Files (x86)\Limewire\Share\Maya Gold.scr rave.exe File created C:\Program Files (x86)\Gnucleus\Downloads\Maya Gold.scr rave.exe File created C:\Program Files (x86)\Shareaza\Downloads\Maya Gold.scr rave.exe File created C:\Program Files (x86)\Edonkey2000\Maya Gold.scr rave.exe File created C:\Program Files (x86)\Gnucleus\Downloads\Incoming\Maya Gold.scr rave.exe File created C:\Program Files (x86)\Grokster\My Grokster\Maya Gold.scr rave.exe File created C:\Program Files (x86)\ICQ\Shared Files\Maya Gold.scr rave.exe -
Drops file in Windows directory 5 IoCs
description ioc Process File created C:\Windows\raVe.exe Email-Worm.Win32.Magold.exe File opened for modification C:\Windows\raVe.exe Email-Worm.Win32.Magold.exe File created C:\Windows\Maya Gold.scr Email-Worm.Win32.Magold.exe File created C:\Windows\raVe\Maya Gold.scr rave.exe File opened for modification C:\Windows\raVe\Maya Gold.scr rave.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 30 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\scrfile\shell\open\command\ = "C:\\Windows\\raVe.exe \"%1\" %*" Email-Worm.Win32.Magold.exe Set value (data) \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000 rave.exe Set value (data) \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff rave.exe Set value (data) \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 rave.exe Key created \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags rave.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command\ = "C:\\Windows\\raVe.exe \"%1\" %*" Email-Worm.Win32.Magold.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command\ = "C:\\Windows\\raVe.exe \"%1\" %*" Email-Worm.Win32.Magold.exe Key created \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000_Classes\Local Settings rave.exe Key created \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell rave.exe Set value (data) \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots rave.exe Set value (int) \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\NodeSlot = "1" rave.exe Key created \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1 rave.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command Email-Worm.Win32.Magold.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command Email-Worm.Win32.Magold.exe Key created \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 rave.exe Set value (data) \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = ffffffff rave.exe Set value (data) \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 14002e80922b16d365937a46956b92703aca08af0000 rave.exe Key created \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell rave.exe Set value (str) \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Documents" rave.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ rave.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command\ = "C:\\Windows\\raVe.exe \"%1\" %*" Email-Worm.Win32.Magold.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\scrfile\shell\open\command Email-Worm.Win32.Magold.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command Email-Worm.Win32.Magold.exe Set value (data) \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff rave.exe Key created \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ rave.exe Key created \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU rave.exe Key created \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 rave.exe Set value (data) \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff rave.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\raVe.exe \"%1\" %*" Email-Worm.Win32.Magold.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command Email-Worm.Win32.Magold.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: 33 4732 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 4732 AUDIODG.EXE -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4616 rave.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 1984 wrote to memory of 4616 1984 Email-Worm.Win32.Magold.exe 96 PID 1984 wrote to memory of 4616 1984 Email-Worm.Win32.Magold.exe 96 PID 1984 wrote to memory of 4616 1984 Email-Worm.Win32.Magold.exe 96 PID 4616 wrote to memory of 2612 4616 rave.exe 138 PID 4616 wrote to memory of 2612 4616 rave.exe 138
Processes
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C:\Users\Admin\AppData\Local\Temp\Email-Worm.Win32.Magold.exe"C:\Users\Admin\AppData\Local\Temp\Email-Worm.Win32.Magold.exe"1⤵
- Modifies system executable filetype association
- Adds Run key to start application
- Enumerates connected drives
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1984 -
C:\Windows\rave.exeC:\Windows\rave.exe2⤵
- Executes dropped EXE
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4616 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122883⤵PID:2612
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4084 --field-trial-handle=2256,i,18272763564106695635,11201593968620719822,262144 --variations-seed-version /prefetch:81⤵PID:4572
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3772 --field-trial-handle=2256,i,18272763564106695635,11201593968620719822,262144 --variations-seed-version /prefetch:81⤵PID:4752
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x3f4 0x4541⤵
- Suspicious use of AdjustPrivilegeToken
PID:4732
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:2604
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Change Default File Association
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Change Default File Association
1Replay Monitor
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Downloads
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Filesize
235KB
MD5d40a18b03a699f63ee469a7b39ae86a7
SHA145eb3a218beded8bc4faa70d6ef5519bbddcb749
SHA2568dd1796ca7db68bc3e7daa76b17b71e162f287949185695cbbf33833ad1cc67c
SHA512d4a3f67cee28cd146d9c642ae64f2f39be0d2e2c386f5a0c21eadd89a010a8b3997406f662ed598d2fbea600f1044235e1e485c165da2a6e06e86e2f3b75ec1a