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Resubmissions
06/01/2025, 12:00
250106-n6bpwawkdw 1006/01/2025, 11:52
250106-n1zvhswjet 1020/08/2024, 14:25
240820-rrk7js1blm 1017/08/2024, 19:28
240817-x6wvgsvgpk 10Analysis
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max time kernel
31s -
max time network
122s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
17/08/2024, 19:28
Behavioral task
behavioral1
Sample
8b3d1dd675e2e030d63ef5ecd9fa05da46a577d9f3723e7b358e20a4f6892495.exe
Resource
win7-20240705-en
General
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Target
8b3d1dd675e2e030d63ef5ecd9fa05da46a577d9f3723e7b358e20a4f6892495.exe
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Size
181KB
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MD5
8604da617d2310a788d55a8a17158926
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SHA1
57be5e931ca21c501294dacd4744666adca8dc0a
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SHA256
8b3d1dd675e2e030d63ef5ecd9fa05da46a577d9f3723e7b358e20a4f6892495
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SHA512
0d1738c8ac0afe0de609744c14ee0deaf7217afa2292df166791508bb4146b1e377b8bec729f74cc077fd78f7fb8bc651552bb74d7614cf1db7cbefd1dad438c
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SSDEEP
3072:Pz2c0Rztm8NGdBXtfAzc1Gr/cMvOwUPfbldFw0t+Z0vhAVfDgZkCeJCsNIilreNO:PkseGXXtIg1GrtvOwUPfbldFw0t+Z0vT
Malware Config
Extracted
vidar
https://steamcommunity.com/profiles/76561199751190313
https://t.me/pech0nk
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user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36
Extracted
lumma
https://consciousourwi.shop/api
https://potentioallykeos.shop/api
https://interactiedovspm.shop/api
https://charecteristicdxp.shop/api
https://cagedwifedsozm.shop/api
https://deicedosmzj.shop/api
https://southedhiscuso.shop/api
https://weiggheticulop.shop/api
https://tenntysjuxmz.shop/api
Signatures
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Detect Vidar Stealer 20 IoCs
resource yara_rule behavioral2/memory/1492-83-0x0000000000400000-0x0000000000643000-memory.dmp family_vidar_v7 behavioral2/memory/1492-87-0x0000000000400000-0x0000000000643000-memory.dmp family_vidar_v7 behavioral2/memory/1492-108-0x0000000000400000-0x0000000000643000-memory.dmp family_vidar_v7 behavioral2/memory/1492-109-0x0000000000400000-0x0000000000643000-memory.dmp family_vidar_v7 behavioral2/memory/1492-111-0x0000000000400000-0x0000000000643000-memory.dmp family_vidar_v7 behavioral2/memory/1492-112-0x0000000000400000-0x0000000000643000-memory.dmp family_vidar_v7 behavioral2/memory/1492-113-0x0000000000400000-0x0000000000643000-memory.dmp family_vidar_v7 behavioral2/memory/1492-114-0x0000000000400000-0x0000000000643000-memory.dmp family_vidar_v7 behavioral2/memory/1492-115-0x0000000000400000-0x0000000000643000-memory.dmp family_vidar_v7 behavioral2/memory/1492-118-0x0000000000400000-0x0000000000643000-memory.dmp family_vidar_v7 behavioral2/memory/1492-119-0x0000000000400000-0x0000000000643000-memory.dmp family_vidar_v7 behavioral2/memory/4540-124-0x0000000000400000-0x0000000000643000-memory.dmp family_vidar_v7 behavioral2/memory/4540-126-0x0000000000400000-0x0000000000643000-memory.dmp family_vidar_v7 behavioral2/memory/1492-134-0x0000000000400000-0x0000000000643000-memory.dmp family_vidar_v7 behavioral2/memory/1492-135-0x0000000000400000-0x0000000000643000-memory.dmp family_vidar_v7 behavioral2/memory/1492-136-0x0000000000400000-0x0000000000643000-memory.dmp family_vidar_v7 behavioral2/memory/4540-138-0x0000000000400000-0x0000000000643000-memory.dmp family_vidar_v7 behavioral2/memory/4540-139-0x0000000000400000-0x0000000000643000-memory.dmp family_vidar_v7 behavioral2/memory/4540-154-0x0000000000400000-0x0000000000643000-memory.dmp family_vidar_v7 behavioral2/memory/4540-155-0x0000000000400000-0x0000000000643000-memory.dmp family_vidar_v7 -
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Downloads MZ/PE file
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation 8b3d1dd675e2e030d63ef5ecd9fa05da46a577d9f3723e7b358e20a4f6892495.exe Key value queried \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation RegAsm.exe -
Executes dropped EXE 2 IoCs
pid Process 4364 FHJKKECFIE.exe 1832 HCAAEBKEGH.exe -
Loads dropped DLL 4 IoCs
pid Process 1140 8b3d1dd675e2e030d63ef5ecd9fa05da46a577d9f3723e7b358e20a4f6892495.exe 1140 8b3d1dd675e2e030d63ef5ecd9fa05da46a577d9f3723e7b358e20a4f6892495.exe 1492 RegAsm.exe 1492 RegAsm.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 4364 set thread context of 1492 4364 FHJKKECFIE.exe 97 PID 1832 set thread context of 4296 1832 HCAAEBKEGH.exe 99 PID 4468 set thread context of 4540 4468 JJKFBAKFBG.exe 104 PID 1308 set thread context of 3180 1308 HCAKFBGCBF.exe 106 -
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 11 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 8b3d1dd675e2e030d63ef5ecd9fa05da46a577d9f3723e7b358e20a4f6892495.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language FHJKKECFIE.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language HCAAEBKEGH.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language timeout.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JJKFBAKFBG.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language HCAKFBGCBF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe -
Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 8b3d1dd675e2e030d63ef5ecd9fa05da46a577d9f3723e7b358e20a4f6892495.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 8b3d1dd675e2e030d63ef5ecd9fa05da46a577d9f3723e7b358e20a4f6892495.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 RegAsm.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString RegAsm.exe -
Delays execution with timeout.exe 2 IoCs
pid Process 668 timeout.exe 4604 timeout.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 1140 8b3d1dd675e2e030d63ef5ecd9fa05da46a577d9f3723e7b358e20a4f6892495.exe 1140 8b3d1dd675e2e030d63ef5ecd9fa05da46a577d9f3723e7b358e20a4f6892495.exe 1140 8b3d1dd675e2e030d63ef5ecd9fa05da46a577d9f3723e7b358e20a4f6892495.exe 1140 8b3d1dd675e2e030d63ef5ecd9fa05da46a577d9f3723e7b358e20a4f6892495.exe 1140 8b3d1dd675e2e030d63ef5ecd9fa05da46a577d9f3723e7b358e20a4f6892495.exe 1140 8b3d1dd675e2e030d63ef5ecd9fa05da46a577d9f3723e7b358e20a4f6892495.exe 1140 8b3d1dd675e2e030d63ef5ecd9fa05da46a577d9f3723e7b358e20a4f6892495.exe 1140 8b3d1dd675e2e030d63ef5ecd9fa05da46a577d9f3723e7b358e20a4f6892495.exe -
Suspicious use of WriteProcessMemory 50 IoCs
description pid Process procid_target PID 1140 wrote to memory of 4364 1140 8b3d1dd675e2e030d63ef5ecd9fa05da46a577d9f3723e7b358e20a4f6892495.exe 95 PID 1140 wrote to memory of 4364 1140 8b3d1dd675e2e030d63ef5ecd9fa05da46a577d9f3723e7b358e20a4f6892495.exe 95 PID 1140 wrote to memory of 4364 1140 8b3d1dd675e2e030d63ef5ecd9fa05da46a577d9f3723e7b358e20a4f6892495.exe 95 PID 4364 wrote to memory of 1492 4364 FHJKKECFIE.exe 97 PID 4364 wrote to memory of 1492 4364 FHJKKECFIE.exe 97 PID 4364 wrote to memory of 1492 4364 FHJKKECFIE.exe 97 PID 4364 wrote to memory of 1492 4364 FHJKKECFIE.exe 97 PID 4364 wrote to memory of 1492 4364 FHJKKECFIE.exe 97 PID 4364 wrote to memory of 1492 4364 FHJKKECFIE.exe 97 PID 4364 wrote to memory of 1492 4364 FHJKKECFIE.exe 97 PID 4364 wrote to memory of 1492 4364 FHJKKECFIE.exe 97 PID 4364 wrote to memory of 1492 4364 FHJKKECFIE.exe 97 PID 4364 wrote to memory of 1492 4364 FHJKKECFIE.exe 97 PID 1140 wrote to memory of 1832 1140 8b3d1dd675e2e030d63ef5ecd9fa05da46a577d9f3723e7b358e20a4f6892495.exe 98 PID 1140 wrote to memory of 1832 1140 8b3d1dd675e2e030d63ef5ecd9fa05da46a577d9f3723e7b358e20a4f6892495.exe 98 PID 1140 wrote to memory of 1832 1140 8b3d1dd675e2e030d63ef5ecd9fa05da46a577d9f3723e7b358e20a4f6892495.exe 98 PID 1832 wrote to memory of 4296 1832 HCAAEBKEGH.exe 99 PID 1832 wrote to memory of 4296 1832 HCAAEBKEGH.exe 99 PID 1832 wrote to memory of 4296 1832 HCAAEBKEGH.exe 99 PID 1832 wrote to memory of 4296 1832 HCAAEBKEGH.exe 99 PID 1832 wrote to memory of 4296 1832 HCAAEBKEGH.exe 99 PID 1832 wrote to memory of 4296 1832 HCAAEBKEGH.exe 99 PID 1832 wrote to memory of 4296 1832 HCAAEBKEGH.exe 99 PID 1832 wrote to memory of 4296 1832 HCAAEBKEGH.exe 99 PID 1832 wrote to memory of 4296 1832 HCAAEBKEGH.exe 99 PID 1140 wrote to memory of 1156 1140 8b3d1dd675e2e030d63ef5ecd9fa05da46a577d9f3723e7b358e20a4f6892495.exe 100 PID 1140 wrote to memory of 1156 1140 8b3d1dd675e2e030d63ef5ecd9fa05da46a577d9f3723e7b358e20a4f6892495.exe 100 PID 1140 wrote to memory of 1156 1140 8b3d1dd675e2e030d63ef5ecd9fa05da46a577d9f3723e7b358e20a4f6892495.exe 100 PID 1156 wrote to memory of 668 1156 cmd.exe 102 PID 1156 wrote to memory of 668 1156 cmd.exe 102 PID 1156 wrote to memory of 668 1156 cmd.exe 102 PID 4468 wrote to memory of 4540 4468 JJKFBAKFBG.exe 104 PID 4468 wrote to memory of 4540 4468 JJKFBAKFBG.exe 104 PID 4468 wrote to memory of 4540 4468 JJKFBAKFBG.exe 104 PID 4468 wrote to memory of 4540 4468 JJKFBAKFBG.exe 104 PID 4468 wrote to memory of 4540 4468 JJKFBAKFBG.exe 104 PID 4468 wrote to memory of 4540 4468 JJKFBAKFBG.exe 104 PID 4468 wrote to memory of 4540 4468 JJKFBAKFBG.exe 104 PID 4468 wrote to memory of 4540 4468 JJKFBAKFBG.exe 104 PID 4468 wrote to memory of 4540 4468 JJKFBAKFBG.exe 104 PID 4468 wrote to memory of 4540 4468 JJKFBAKFBG.exe 104 PID 1308 wrote to memory of 3180 1308 HCAKFBGCBF.exe 106 PID 1308 wrote to memory of 3180 1308 HCAKFBGCBF.exe 106 PID 1308 wrote to memory of 3180 1308 HCAKFBGCBF.exe 106 PID 1308 wrote to memory of 3180 1308 HCAKFBGCBF.exe 106 PID 1308 wrote to memory of 3180 1308 HCAKFBGCBF.exe 106 PID 1308 wrote to memory of 3180 1308 HCAKFBGCBF.exe 106 PID 1308 wrote to memory of 3180 1308 HCAKFBGCBF.exe 106 PID 1308 wrote to memory of 3180 1308 HCAKFBGCBF.exe 106 PID 1308 wrote to memory of 3180 1308 HCAKFBGCBF.exe 106
Processes
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C:\Users\Admin\AppData\Local\Temp\8b3d1dd675e2e030d63ef5ecd9fa05da46a577d9f3723e7b358e20a4f6892495.exe"C:\Users\Admin\AppData\Local\Temp\8b3d1dd675e2e030d63ef5ecd9fa05da46a577d9f3723e7b358e20a4f6892495.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1140 -
C:\ProgramData\FHJKKECFIE.exe"C:\ProgramData\FHJKKECFIE.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4364 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"3⤵
- Checks computer location settings
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
PID:1492 -
C:\ProgramData\JJKFBAKFBG.exe"C:\ProgramData\JJKFBAKFBG.exe"4⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4468 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"5⤵
- System Location Discovery: System Language Discovery
PID:4540
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C:\ProgramData\HCAKFBGCBF.exe"C:\ProgramData\HCAKFBGCBF.exe"4⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1308 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"5⤵
- System Location Discovery: System Language Discovery
PID:3180
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\JJDGCGHCGHCB" & exit4⤵PID:4976
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C:\Windows\SysWOW64\timeout.exetimeout /t 105⤵
- Delays execution with timeout.exe
PID:4604
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C:\ProgramData\HCAAEBKEGH.exe"C:\ProgramData\HCAAEBKEGH.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1832 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"3⤵
- System Location Discovery: System Language Discovery
PID:4296
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\EGIJKEHCAKFC" & exit2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1156 -
C:\Windows\SysWOW64\timeout.exetimeout /t 103⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:668
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Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
4Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
190KB
MD5fedb687ed23f77925b35623027f799bb
SHA17f27d0290ecc2c81bf2b2d0fa1026f54fd687c81
SHA256325396d5ffca8546730b9a56c2d0ed99238d48b5e1c3c49e7d027505ea13b8d1
SHA5126d1fa39560f4d7ca57905bc57d615acf96b1ef69ca2a4d7c0353278e8d4466298ed87f514463c49d671cb0e3b6a269a78636a10a1e463dba5c83fe067dc5df18
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Filesize
276KB
MD5a2fb40daa2aae2b589e7338057471282
SHA18b10a7281f347aa862f365b5bca41c87a8be472c
SHA256409f89268972ae1bff240cc395cc31a3b3876b96f4d6e56fcc5fef74001fcf27
SHA51248daa8f783b24451082c4c339e9f3f704037f89632b55ebf3b6d5b13a85f077785a8ff60f5d35eed8e03fc90543ec5df1b3a1e0dcdf60b7de5a0dc704ffac22a
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Filesize
160KB
MD5f310cf1ff562ae14449e0167a3e1fe46
SHA185c58afa9049467031c6c2b17f5c12ca73bb2788
SHA256e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855
SHA5121196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571