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09-04-2024 13:47
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230831-b626lsbf9x 10Analysis
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max time kernel
1195s -
max time network
1201s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
09-04-2024 13:47
Static task
static1
Behavioral task
behavioral1
Sample
7bf753b3b29b29238df118757228447e9a6b14533aaea21270a1ba3cf918f524.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
7bf753b3b29b29238df118757228447e9a6b14533aaea21270a1ba3cf918f524.exe
Resource
win10-20240404-en
Behavioral task
behavioral3
Sample
7bf753b3b29b29238df118757228447e9a6b14533aaea21270a1ba3cf918f524.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral4
Sample
7bf753b3b29b29238df118757228447e9a6b14533aaea21270a1ba3cf918f524.exe
Resource
win11-20240221-en
General
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Target
7bf753b3b29b29238df118757228447e9a6b14533aaea21270a1ba3cf918f524.exe
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Size
1.4MB
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MD5
a5dfba638e1d160071f6b4b3506fe316
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SHA1
c284314d0de513cd37a9b01c8e5a9aabe4fd9bb3
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SHA256
7bf753b3b29b29238df118757228447e9a6b14533aaea21270a1ba3cf918f524
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SHA512
822fc7b7e4133c6bf8ac58790b327352bee771230c7f67f55c881c80cc4b26d09eb4b16cae0065edb23e1249167a03939a5fd97c3c359a5dc081ddb872b26fc6
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SSDEEP
24576:ryTL4TvffA66MEMTOLq5MhObXGcL+HsZzKyOF3kJSNl/jUXFsMeLMKdI/OGmhi3t:eT8T3fA5MEMTOLiycSOK93hIveYYI/Hz
Malware Config
Extracted
amadey
3.87
http://77.91.68.18
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install_dir
b40d11255d
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install_file
saves.exe
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strings_key
fa622dfc42544927a6471829ee1fa9fe
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url_paths
/nice/index.php
Extracted
redline
sruta
77.91.124.82:19071
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auth_value
c556edcd49703319eca74247de20c236
Signatures
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Detect Mystic stealer payload 1 IoCs
resource yara_rule behavioral2/files/0x000700000001ac86-35.dat mystic_family -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 2 IoCs
resource yara_rule behavioral2/files/0x000700000001ac83-38.dat family_redline behavioral2/memory/4528-40-0x0000000000050000-0x0000000000080000-memory.dmp family_redline -
Executes dropped EXE 27 IoCs
pid Process 3000 y2806158.exe 4648 y4061380.exe 2380 y5044543.exe 1392 l1481423.exe 4284 saves.exe 3180 m3280700.exe 4528 n7852691.exe 4572 saves.exe 3120 saves.exe 2116 saves.exe 3048 saves.exe 4264 saves.exe 4908 saves.exe 4608 saves.exe 1956 saves.exe 400 saves.exe 2468 saves.exe 4656 saves.exe 652 saves.exe 3256 saves.exe 1560 saves.exe 1220 saves.exe 1948 saves.exe 4472 saves.exe 348 saves.exe 1492 saves.exe 3600 saves.exe -
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" 7bf753b3b29b29238df118757228447e9a6b14533aaea21270a1ba3cf918f524.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\"" y2806158.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\"" y4061380.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup3 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP003.TMP\\\"" y5044543.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1120 schtasks.exe -
Suspicious use of WriteProcessMemory 45 IoCs
description pid Process procid_target PID 4900 wrote to memory of 3000 4900 7bf753b3b29b29238df118757228447e9a6b14533aaea21270a1ba3cf918f524.exe 72 PID 4900 wrote to memory of 3000 4900 7bf753b3b29b29238df118757228447e9a6b14533aaea21270a1ba3cf918f524.exe 72 PID 4900 wrote to memory of 3000 4900 7bf753b3b29b29238df118757228447e9a6b14533aaea21270a1ba3cf918f524.exe 72 PID 3000 wrote to memory of 4648 3000 y2806158.exe 73 PID 3000 wrote to memory of 4648 3000 y2806158.exe 73 PID 3000 wrote to memory of 4648 3000 y2806158.exe 73 PID 4648 wrote to memory of 2380 4648 y4061380.exe 74 PID 4648 wrote to memory of 2380 4648 y4061380.exe 74 PID 4648 wrote to memory of 2380 4648 y4061380.exe 74 PID 2380 wrote to memory of 1392 2380 y5044543.exe 75 PID 2380 wrote to memory of 1392 2380 y5044543.exe 75 PID 2380 wrote to memory of 1392 2380 y5044543.exe 75 PID 1392 wrote to memory of 4284 1392 l1481423.exe 76 PID 1392 wrote to memory of 4284 1392 l1481423.exe 76 PID 1392 wrote to memory of 4284 1392 l1481423.exe 76 PID 2380 wrote to memory of 3180 2380 y5044543.exe 77 PID 2380 wrote to memory of 3180 2380 y5044543.exe 77 PID 2380 wrote to memory of 3180 2380 y5044543.exe 77 PID 4648 wrote to memory of 4528 4648 y4061380.exe 78 PID 4648 wrote to memory of 4528 4648 y4061380.exe 78 PID 4648 wrote to memory of 4528 4648 y4061380.exe 78 PID 4284 wrote to memory of 1120 4284 saves.exe 79 PID 4284 wrote to memory of 1120 4284 saves.exe 79 PID 4284 wrote to memory of 1120 4284 saves.exe 79 PID 4284 wrote to memory of 4232 4284 saves.exe 81 PID 4284 wrote to memory of 4232 4284 saves.exe 81 PID 4284 wrote to memory of 4232 4284 saves.exe 81 PID 4232 wrote to memory of 2876 4232 cmd.exe 83 PID 4232 wrote to memory of 2876 4232 cmd.exe 83 PID 4232 wrote to memory of 2876 4232 cmd.exe 83 PID 4232 wrote to memory of 3556 4232 cmd.exe 84 PID 4232 wrote to memory of 3556 4232 cmd.exe 84 PID 4232 wrote to memory of 3556 4232 cmd.exe 84 PID 4232 wrote to memory of 4908 4232 cmd.exe 85 PID 4232 wrote to memory of 4908 4232 cmd.exe 85 PID 4232 wrote to memory of 4908 4232 cmd.exe 85 PID 4232 wrote to memory of 3460 4232 cmd.exe 86 PID 4232 wrote to memory of 3460 4232 cmd.exe 86 PID 4232 wrote to memory of 3460 4232 cmd.exe 86 PID 4232 wrote to memory of 4180 4232 cmd.exe 87 PID 4232 wrote to memory of 4180 4232 cmd.exe 87 PID 4232 wrote to memory of 4180 4232 cmd.exe 87 PID 4232 wrote to memory of 2988 4232 cmd.exe 88 PID 4232 wrote to memory of 2988 4232 cmd.exe 88 PID 4232 wrote to memory of 2988 4232 cmd.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\7bf753b3b29b29238df118757228447e9a6b14533aaea21270a1ba3cf918f524.exe"C:\Users\Admin\AppData\Local\Temp\7bf753b3b29b29238df118757228447e9a6b14533aaea21270a1ba3cf918f524.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4900 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y2806158.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y2806158.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3000 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y4061380.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y4061380.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4648 -
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\y5044543.exeC:\Users\Admin\AppData\Local\Temp\IXP002.TMP\y5044543.exe4⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2380 -
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\l1481423.exeC:\Users\Admin\AppData\Local\Temp\IXP003.TMP\l1481423.exe5⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1392 -
C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe"C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe"6⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4284 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN saves.exe /TR "C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe" /F7⤵
- Creates scheduled task(s)
PID:1120
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k echo Y|CACLS "saves.exe" /P "Admin:N"&&CACLS "saves.exe" /P "Admin:R" /E&&echo Y|CACLS "..\b40d11255d" /P "Admin:N"&&CACLS "..\b40d11255d" /P "Admin:R" /E&&Exit7⤵
- Suspicious use of WriteProcessMemory
PID:4232 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"8⤵PID:2876
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C:\Windows\SysWOW64\cacls.exeCACLS "saves.exe" /P "Admin:N"8⤵PID:3556
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C:\Windows\SysWOW64\cacls.exeCACLS "saves.exe" /P "Admin:R" /E8⤵PID:4908
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"8⤵PID:3460
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C:\Windows\SysWOW64\cacls.exeCACLS "..\b40d11255d" /P "Admin:N"8⤵PID:4180
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C:\Windows\SysWOW64\cacls.exeCACLS "..\b40d11255d" /P "Admin:R" /E8⤵PID:2988
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C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\m3280700.exeC:\Users\Admin\AppData\Local\Temp\IXP003.TMP\m3280700.exe5⤵
- Executes dropped EXE
PID:3180
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C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n7852691.exeC:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n7852691.exe4⤵
- Executes dropped EXE
PID:4528
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C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exeC:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe1⤵
- Executes dropped EXE
PID:4572
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C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exeC:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe1⤵
- Executes dropped EXE
PID:3120
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C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exeC:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe1⤵
- Executes dropped EXE
PID:2116
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C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exeC:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe1⤵
- Executes dropped EXE
PID:3048
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C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exeC:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe1⤵
- Executes dropped EXE
PID:4264
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C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exeC:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe1⤵
- Executes dropped EXE
PID:4908
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C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exeC:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe1⤵
- Executes dropped EXE
PID:4608
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C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exeC:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe1⤵
- Executes dropped EXE
PID:1956
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C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exeC:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe1⤵
- Executes dropped EXE
PID:400
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C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exeC:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe1⤵
- Executes dropped EXE
PID:2468
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C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exeC:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe1⤵
- Executes dropped EXE
PID:4656
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C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exeC:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe1⤵
- Executes dropped EXE
PID:652
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C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exeC:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe1⤵
- Executes dropped EXE
PID:3256
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C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exeC:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe1⤵
- Executes dropped EXE
PID:1560
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C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exeC:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe1⤵
- Executes dropped EXE
PID:1220
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C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exeC:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe1⤵
- Executes dropped EXE
PID:1948
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C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exeC:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe1⤵
- Executes dropped EXE
PID:4472
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C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exeC:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe1⤵
- Executes dropped EXE
PID:348
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C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exeC:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe1⤵
- Executes dropped EXE
PID:1492
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C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exeC:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe1⤵
- Executes dropped EXE
PID:3600
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.3MB
MD5f444d350db44153332aec8b6d8c84d4a
SHA1143761c8ec5bf0db418193dd102626aa44166433
SHA2567b61edd23dee370d6938bc4c891473176eb46e46ad570a95a3c8af5b7287504a
SHA5126980b5ad263ee215b6038ff547f77d0e5fd0d754a05e177df766acc2d297d3b39c4f60d2316cd1a90e5fe952be56b53374d49abbf8177688b392e85b698b3b3e
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Filesize
475KB
MD547111c2467fcc57226206434df4aef5f
SHA12f16a26e8ca33b317a9304eeb19641256263edbd
SHA256500b30b9b08025fddc3de4a8e7f3e240b7ae4667515d13f4c855ac563c68eb74
SHA512228e1c5151079c2e1b2ffca65c4a137e8c3bccdabf5c945ab99bc5acf31d1def7203cb4f49e79d8f061a81fe601f37eaf99ee9ddb94babea428beddf571459bd
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Filesize
174KB
MD5a9288b0c28cf6c9f101af480513c0aec
SHA19e39db8e0f69f2c9fc570fe5bd4f149f6076389b
SHA256bd1e7065344daa64692539e244342eac35904a9f194a7eb75aa985e5cdb5037c
SHA5128633b3e71b022e584d4ebfc69b8a278b7456490d57e14fa702af4aa115b8eb26755ea33c7943cf77319b9af5e2b6c364f7fabc97742dd7c9cf0091ad58c59709
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Filesize
320KB
MD518e0243bb67ab7a819eab64ddf018649
SHA1518c71661ce38ec4f991d55bee4e360dec8d8024
SHA256cac8af5dededf0a8e40c2c27f39065fd3c49f06040f975fae9f34c5ac10eaee3
SHA5121fdc724077828f4066f048c3afd591023ad4caca1bcd96dd1aa5aeb2667f5606171786bb45b69b03b2f393213f8658f08ec231b3c91e24d91e0c5cdca60145f2
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Filesize
325KB
MD5bfa836d65f048633b5ef820e342fdeb2
SHA1958362033cb7c1a01bccd16a4ae3cc9922e6e110
SHA2569fc979774b89cb53f091c6e39d56a3f8fb0ecaae260be2b2cb61089409666539
SHA5122daf8d7a519d97f43fc570a041cabd3c83d2fe45926d7c7b1930da9d75f142bb4eef6b6004f414485833461823f0d71b16005458028ff7ff89f08f87f480f6a5
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Filesize
140KB
MD5dde5bb1752b2ca2ee22efd5a5d1e8f54
SHA1813478bf68868d64925d5abcf2146015b24cd531
SHA256d8c3b35ff30d29db325eb12e2fd81784ddec984e8ba23b3b8dfe03c5b84a3fce
SHA51211accf17d9da7d8af7d120da294cfc69f7a6f11795cd7c01d65295d49afa16a65ffd17a3c10f9af781808bf72d9aae239d72281ec8dc19020bffcc7b7f974304