Analysis
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max time kernel
25s -
max time network
31s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
27-06-2024 19:18
General
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Target
Eulen.exe
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Size
5.8MB
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MD5
2d970bace731195adffbfb8e9e47d150
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SHA1
2eb7a63a1559f4e931c2243cbc1aca349c9206a5
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SHA256
44fb78affcf34152976fc9e2564bfdfe62d46368c853861f541d617ce5c93dfe
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SHA512
139730124e1ca24644636d541051b7c1912507850e1ccb77a13e065e09182cd1658a18370a14ecd3b857554fa267106c61dfcb3c36ae1f41bca37902431ec906
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SSDEEP
98304:1Lld9hjQi65sn6Wfz7pnxC/tEC8smLhsl9Qvr/kAXjzrgyOSsJRynL6iIQkr18gX:1Lr9gDOYyCREhS0kypnFnL6TQCxn5H
Malware Config
Signatures
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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Loads dropped DLL 17 IoCs
Processes:
Eulen.exepid process 112 Eulen.exe 112 Eulen.exe 112 Eulen.exe 112 Eulen.exe 112 Eulen.exe 112 Eulen.exe 112 Eulen.exe 112 Eulen.exe 112 Eulen.exe 112 Eulen.exe 112 Eulen.exe 112 Eulen.exe 112 Eulen.exe 112 Eulen.exe 112 Eulen.exe 112 Eulen.exe 112 Eulen.exe -
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\_MEI21522\python310.dll upx behavioral1/memory/112-25-0x00007FFF2E480000-0x00007FFF2E8E3000-memory.dmp upx C:\Users\Admin\AppData\Local\Temp\_MEI21522\_ctypes.pyd upx C:\Users\Admin\AppData\Local\Temp\_MEI21522\libffi-7.dll upx C:\Users\Admin\AppData\Local\Temp\_MEI21522\libcrypto-1_1.dll upx C:\Users\Admin\AppData\Local\Temp\_MEI21522\_ssl.pyd upx behavioral1/memory/112-48-0x00007FFF38730000-0x00007FFF3873F000-memory.dmp upx behavioral1/memory/112-47-0x00007FFF36220000-0x00007FFF36244000-memory.dmp upx C:\Users\Admin\AppData\Local\Temp\_MEI21522\_sqlite3.pyd upx C:\Users\Admin\AppData\Local\Temp\_MEI21522\_socket.pyd upx C:\Users\Admin\AppData\Local\Temp\_MEI21522\_queue.pyd upx C:\Users\Admin\AppData\Local\Temp\_MEI21522\_lzma.pyd upx C:\Users\Admin\AppData\Local\Temp\_MEI21522\_hashlib.pyd upx C:\Users\Admin\AppData\Local\Temp\_MEI21522\_decimal.pyd upx C:\Users\Admin\AppData\Local\Temp\_MEI21522\_bz2.pyd upx C:\Users\Admin\AppData\Local\Temp\_MEI21522\unicodedata.pyd upx C:\Users\Admin\AppData\Local\Temp\_MEI21522\sqlite3.dll upx C:\Users\Admin\AppData\Local\Temp\_MEI21522\select.pyd upx C:\Users\Admin\AppData\Local\Temp\_MEI21522\libssl-1_1.dll upx behavioral1/memory/112-54-0x00007FFF361F0000-0x00007FFF3621C000-memory.dmp upx behavioral1/memory/112-56-0x00007FFF385C0000-0x00007FFF385D8000-memory.dmp upx behavioral1/memory/112-59-0x00007FFF36FD0000-0x00007FFF36FEE000-memory.dmp upx behavioral1/memory/112-60-0x00007FFF32D90000-0x00007FFF32F01000-memory.dmp upx behavioral1/memory/112-62-0x00007FFF361D0000-0x00007FFF361E9000-memory.dmp upx behavioral1/memory/112-64-0x00007FFF38720000-0x00007FFF3872D000-memory.dmp upx behavioral1/memory/112-70-0x00007FFF32730000-0x00007FFF32AA7000-memory.dmp upx behavioral1/memory/112-69-0x00007FFF33370000-0x00007FFF3339E000-memory.dmp upx behavioral1/memory/112-79-0x00007FFF2E360000-0x00007FFF2E478000-memory.dmp upx behavioral1/memory/112-78-0x00007FFF2E480000-0x00007FFF2E8E3000-memory.dmp upx behavioral1/memory/112-76-0x00007FFF372C0000-0x00007FFF372CD000-memory.dmp upx behavioral1/memory/112-75-0x00007FFF361B0000-0x00007FFF361C5000-memory.dmp upx behavioral1/memory/112-73-0x00007FFF33080000-0x00007FFF33137000-memory.dmp upx behavioral1/memory/112-102-0x00007FFF36220000-0x00007FFF36244000-memory.dmp upx behavioral1/memory/112-103-0x00007FFF385C0000-0x00007FFF385D8000-memory.dmp upx behavioral1/memory/112-119-0x00007FFF36FD0000-0x00007FFF36FEE000-memory.dmp upx behavioral1/memory/112-120-0x00007FFF32D90000-0x00007FFF32F01000-memory.dmp upx behavioral1/memory/112-115-0x00007FFF32730000-0x00007FFF32AA7000-memory.dmp upx behavioral1/memory/112-113-0x00007FFF33370000-0x00007FFF3339E000-memory.dmp upx behavioral1/memory/112-111-0x00007FFF361D0000-0x00007FFF361E9000-memory.dmp upx behavioral1/memory/112-104-0x00007FFF2E480000-0x00007FFF2E8E3000-memory.dmp upx behavioral1/memory/112-122-0x00007FFF2E480000-0x00007FFF2E8E3000-memory.dmp upx -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
powershell.exepowershell.exepid process 1600 powershell.exe 1668 powershell.exe 1600 powershell.exe 1668 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exepowershell.exedescription pid process Token: SeDebugPrivilege 1600 powershell.exe Token: SeDebugPrivilege 1668 powershell.exe -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
Eulen.exeEulen.execmd.execmd.exedescription pid process target process PID 2152 wrote to memory of 112 2152 Eulen.exe Eulen.exe PID 2152 wrote to memory of 112 2152 Eulen.exe Eulen.exe PID 112 wrote to memory of 1900 112 Eulen.exe cmd.exe PID 112 wrote to memory of 1900 112 Eulen.exe cmd.exe PID 112 wrote to memory of 2312 112 Eulen.exe cmd.exe PID 112 wrote to memory of 2312 112 Eulen.exe cmd.exe PID 1900 wrote to memory of 1600 1900 cmd.exe powershell.exe PID 1900 wrote to memory of 1600 1900 cmd.exe powershell.exe PID 2312 wrote to memory of 1668 2312 cmd.exe powershell.exe PID 2312 wrote to memory of 1668 2312 cmd.exe powershell.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Eulen.exe"C:\Users\Admin\AppData\Local\Temp\Eulen.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2152 -
C:\Users\Admin\AppData\Local\Temp\Eulen.exe"C:\Users\Admin\AppData\Local\Temp\Eulen.exe"2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:112 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "powershell -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Eulen.exe'"3⤵
- Suspicious use of WriteProcessMemory
PID:1900 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Eulen.exe'4⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1600 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "powershell Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend && powershell Set-MpPreference -SubmitSamplesConsent 2 & "%ProgramFiles%\Windows Defender\MpCmdRun.exe" -RemoveDefinitions -All"3⤵
- Suspicious use of WriteProcessMemory
PID:2312 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1668
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD5627073ee3ca9676911bee35548eff2b8
SHA14c4b68c65e2cab9864b51167d710aa29ebdcff2e
SHA25685b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c
SHA5123c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb
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Filesize
944B
MD51a9fa92a4f2e2ec9e244d43a6a4f8fb9
SHA19910190edfaccece1dfcc1d92e357772f5dae8f7
SHA2560ee052d5333fd5fd86bc84856fec98e045f077a7ac8051651bf7c521b9706888
SHA5125d2361476fa22200e6f83883efe7dcb8c3fe7dae8d56e04e28a36e9ae1270c327b6aa161d92b239593da7661289d002c574446ecfd6bd19928209aae25e3ef64
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Filesize
94KB
MD5a87575e7cf8967e481241f13940ee4f7
SHA1879098b8a353a39e16c79e6479195d43ce98629e
SHA256ded5adaa94341e6c62aea03845762591666381dca30eb7c17261dd154121b83e
SHA512e112f267ae4c9a592d0dd2a19b50187eb13e25f23ded74c2e6ccde458bcdaee99f4e3e0a00baf0e3362167ae7b7fe4f96ecbcd265cc584c1c3a4d1ac316e92f0
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Filesize
43KB
MD514f6cede9e0019d27c31eee3a915ef52
SHA1573754df8bed96146ac30634df0729d06bf6a168
SHA256b51492a7499cc557b8d3c055966a2fb5841b35fcb7ba9ba7e7d9b029a83ee44d
SHA512a6673afd2fbed73961b222382e5e98a792b67ba67c552f771c4865345339a7952e6d468f039e4f8631f399e86b0ee920e9587a66fc1b8834c8628b9ac1e16a62
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Filesize
54KB
MD59ca880ee43fb91437d19498793311c2f
SHA1a475666edc3c18155669afdb9360f66f6267bbef
SHA2565c885a972a841f14ccc6d81b942a5acb60df116e7b06ad8cb2385fc59a7fb18d
SHA512d20fdf32e4e678a1c113e7896494bdae604838bee47f74168012ff5031fd852a88f3d9964226f8b5217ed38fdeee2ce666ea30f7ac842bf30e7f2e2702cafc83
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Filesize
101KB
MD5bc6649c56700e2969df45e3b590052cf
SHA18bec6d861811f02f14cc15d39a5f2f90b8428d02
SHA2561384008ccd60cddcc839d3f7b0fc29bcaac3a8ad6edd9058488bd8ce21d695f8
SHA512a965247291721d1eb873f2912f79197a4488055edbab4589648f8ee5358a2fc90d44a8544efba45331c5bb937bd4fa84181ffdf48ccb86ebcb205e2e2d53440a
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Filesize
31KB
MD5bd72948920169b6f05b4f252b2d88460
SHA1a830843f0b210fb3eaad7adcb764e2f124603b7d
SHA256ae2964c42e590ad1d51837dd96b747619e3ed28f35172c517d7875f4381823e3
SHA5120cc1de1673932af3050b870dd9bcf8c51379dfb6f66c1acce7c345531aaaacdd31b25b553c3e602b4cff0380232ff194572c9c3184fd1182c70843df44bdf56e
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Filesize
81KB
MD582ebacab21a375c90c2cc10a834d294b
SHA1a066b0cbc5a8d7aab0ea78faa0785a1405abb23a
SHA256138adc9f4a7e8cb239cdcce05af832b7e2527ed29de8e3f461c9900df8b2c404
SHA5127f3b27f62d163126cbc23b3ac215ba9e5ebbf6769afc7d51d0db487f4b9ef9905a7180a25f6d5b80a033f1867ac6382842ce40791dd1404c8d46543bfb01cf0a
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Filesize
21KB
MD5d69381b02618505b6d2fdafb84a2686d
SHA17f28533d9c6141e72d17006e008e8ee5396f4940
SHA256007d190306e9bf4a3ed0fbd3f46c45a716210f8b3e220f76e17d6ccf8631c00c
SHA51272e4f5734361ed428fb2c308f4c8fecae20817ee81921939736b01836627a9edafdce0e121d00d9f5ede438717384e90ee8fa6d6f0bf92a2c17985bb016397ec
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Filesize
38KB
MD58acf34fc59c9715defdd5c6dd9f22803
SHA173dac021792f590b32ddef5fd6707e4c26d5c1b3
SHA256514d22b51327e6837edaec2a27761aca535da7dd55043ea3d4e2cb8bd7d52a61
SHA5120932234e97a68dd5faf46a06f5aba6e85f7d2b1896606b55d8a87a9d1973961d3913a9ea1aa0b5742e9b489eafacc5f50a74b597d4edfcf6bbde5ddd94f16fa0
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Filesize
45KB
MD5557a3a3a76c8bbc792901b201b0318cf
SHA1c69027bbd7460f0be4582329de768cc3c4317bb2
SHA2562c0b99f214e2c6c7f2a7bb81e1ec7759039308b09ca6c4e5ffa246a6afd2ba9e
SHA512cd55f0e84e752b4789114b6f1803c96882607bc49203c9f5b1a1bce7ab1576fbbd1313f60ce59d4c67ccdaa2f28d7a297294f3a3b23ed81f599c66b066144493
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Filesize
58KB
MD5e9f1e4e988ee39cc71b48eea7a63fb86
SHA1b853dd38b4d97d435d59df3b2691dbab7dcae9ef
SHA256d7def30d231d85044acbcf278bde64081efaccc44a885e7831512be70efd790f
SHA512c7c6707fa0cb7b4033ac2310de62d8ffdc955f7f48d0a49886ce405166fb5edfd5f9f52e4048186637e0af6a9bc8653b7f0f00b968f447b193c275265e480101
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Filesize
858KB
MD50914056664e25c8ca354cff0080a06e5
SHA15b27f1317af9abf4724d8a2c8a02a20b60dd30c0
SHA256ef6549f4ce4cc039f98f4aba2951d57870f8751a7ff712242a8764f052d16624
SHA5122cf4720932527b8a3b538f0c117124e19f772b5dedcffdfbcf4be7c31a074bc05d9a27e582cd4fbcb3d2e150ecb28f1ca6b6c49d388f84a811de3e7d38237eaf
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Filesize
76KB
MD5c765f3e3b0b491dcb37ec324f52ed8b5
SHA1d92961238f3c741b7d3319cb1bb67609f3f6b390
SHA25687d868d11060ee0171f520be1c24fb206430f3934040970c449a7a8a8bcb65d3
SHA5122c681e211f27c68609f1237f6983b108647e6bf2c9041c96c8be5ab07bb4e0b89eda789cd7946bd3270a7c12d9ffa53dd2f339386cb7c53bee7132fd6f8e18d6
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Filesize
1.1MB
MD53cc020baceac3b73366002445731705a
SHA16d332ab68dca5c4094ed2ee3c91f8503d9522ac1
SHA256d1aa265861d23a9b76f16906940d30f3a65c5d0597107ecb3d2e6d470b401bb8
SHA5121d9b46d0331ed5b95dda8734abe3c0bd6f7fb1ec9a3269feab618d661a1644a0dc3bf8ac91778d5e45406d185965898fe87abd3261a6f7f2968c43515a48562c
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Filesize
23KB
MD56f818913fafe8e4df7fedc46131f201f
SHA1bbb7ba3edbd4783f7f973d97b0b568cc69cadac5
SHA2563f94ee4f23f6c7702ab0cc12995a6457bf22183fa828c30cc12288adf153ae56
SHA5125473fe57dc40af44edb4f8a7efd68c512784649d51b2045d570c7e49399990285b59cfa6bcd25ef1316e0a073ea2a89fe46be3bfc33f05e3333037a1fd3a6639
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Filesize
200KB
MD57f77a090cb42609f2efc55ddc1ee8fd5
SHA1ef5a128605654350a5bd17232120253194ad4c71
SHA25647b63a9370289d2544abc5a479bfb27d707ae7db4f3f7b6cc1a8c8f57fd0cf1f
SHA512a8a06a1303e76c76d1f06b689e163ba80c1a8137adac80fab0d5c1c6072a69d506e0360d8b44315ef1d88cbd0c9ac95c94d001fad5bc40727f1070734bbbbe63
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Filesize
1.4MB
MD5617c7f358a7744fa767ef52e5224c9ec
SHA16b8974308c1a734a5cfab590205d5135c216c54d
SHA25667ce157f4e61ad163b773fa885620f4fad58793b7ca8b32e4cc38f1e6744b987
SHA51225d3dc8eacb53284cfe1ef6f932606b6acc90fc5fac3157d6901e5cfa7f2ae8b06d87c73ba10516a43bb4f74c4e8cfd6ce8d3dfa7c65558e4705011288a4136b
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Filesize
615KB
MD59c223575ae5b9544bc3d69ac6364f75e
SHA18a1cb5ee02c742e937febc57609ac312247ba386
SHA25690341ac8dcc9ec5f9efe89945a381eb701fe15c3196f594d9d9f0f67b4fc2213
SHA51257663e2c07b56024aaae07515ee3a56b2f5068ebb2f2dc42be95d1224376c2458da21c965aab6ae54de780cb874c2fc9de83d9089abf4536de0f50faca582d09
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Filesize
456B
MD54531984cad7dacf24c086830068c4abe
SHA1fa7c8c46677af01a83cf652ef30ba39b2aae14c3
SHA25658209c8ab4191e834ffe2ecd003fd7a830d3650f0fd1355a74eb8a47c61d4211
SHA51200056f471945d838ef2ce56d51c32967879fe54fcbf93a237ed85a98e27c5c8d2a39bc815b41c15caace2071edd0239d775a31d1794dc4dba49e7ecff1555122
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Filesize
21KB
MD5f7b1a9d9a01db7ccfe3e6aff5010af01
SHA145af84436b9c2aa6bb24b583b2b4915679ae3f3f
SHA256ba793d571893b08eab1b8a250a4b7b91cb947bc7da7e44cc6aa719c5148f0cbd
SHA512cfa67c55d55df0ff5b0aab2ea594a9210a7bfc67f11550733cf655cd9eaf6fdbe48e69c229edafd58931d5c61ad9fbf30f77f4d4e19d0a61992110627e0874c1
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Filesize
611KB
MD5fc6f37d7d90f3baacc483ef2dc6f0e05
SHA10c7a777afe00c9e21f408446e1b3e92cd59dbea9
SHA2564d5b66f7f7b0912dc954f7ab917574da8c7904f3c13ec59e81894c22ffa88631
SHA51274b2a9b0b4c43184f492d1a238dbf77ccca9ab29f7ab73ebf02419c66acd6952aa2318c50d3457d43ca6fe9f43957001f4b88fe9aec01be993b91189741fc85c
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Filesize
285KB
MD5a44e3cc2bf01cc23cb5579b2ed9e72c6
SHA16cbc24b32ff828b0bf4061566aba1e284b474558
SHA2565af3d3d89e0a6ba6cbae58791ec47778f2f98a0964f70d572bd91030165abb42
SHA5125fdd0320f6d6884e71c768f10e6e606448c21ce75209e0c81cf9737596836e9af0914abf365d54b154a0f48e66f8d25ab9463baebe9110e1bf0d550838b77171
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82