Analysis
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max time kernel
151s -
max time network
161s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
04-06-2022 19:16
General
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Target
9C78846071126D7F29A8B82B699903031D7D2CD837DF9.exe
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Size
1.5MB
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MD5
58a250aeb22f0040185210402d4243b3
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SHA1
cb74b3dba0e3ef8073f03810a0232da641b8a587
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SHA256
9c78846071126d7f29a8b82b699903031d7d2cd837df91584fd1ee7eb7b8c93b
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SHA512
72aea6fd61661826dad7de76d7e998de0f91cf9992282cb16dcf11ca8a32c64b249839f9680b6a0a95b848c2f57fb4b1d5d80f300007656edd8ad95c7afe4980
Malware Config
Extracted
redline
AwsR
siyatermi.duckdns.org:17044
Extracted
quasar
2.1.0.0
V/R/B
siyatermi.duckdns.org:1518
VNM_MUTEX_mJ6pCWZMe3OMOha5bj
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encryption_key
g1Bi32PXFGwyBI9DJGTD
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install_name
Start Process.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Browser Module
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subdirectory
Sys Resources
Signatures
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Contains code to disable Windows Defender 6 IoCs
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
Processes:
resource yara_rule C:\Users\Admin\AppData\Roaming\Start Process.exe disable_win_def C:\Users\Admin\AppData\Roaming\Start Process.exe disable_win_def behavioral2/memory/2808-147-0x0000000000A10000-0x0000000000A9C000-memory.dmp disable_win_def C:\Users\Admin\AppData\Roaming\Sys Resources\Start Process.exe disable_win_def C:\Users\Admin\AppData\Roaming\Sys Resources\Start Process.exe disable_win_def C:\Users\Admin\AppData\Roaming\Start Process.exe disable_win_def -
Processes:
Start Process.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection Start Process.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" Start Process.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" Start Process.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" Start Process.exe -
Quasar Payload 6 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Roaming\Start Process.exe family_quasar C:\Users\Admin\AppData\Roaming\Start Process.exe family_quasar behavioral2/memory/2808-147-0x0000000000A10000-0x0000000000A9C000-memory.dmp family_quasar C:\Users\Admin\AppData\Roaming\Sys Resources\Start Process.exe family_quasar C:\Users\Admin\AppData\Roaming\Sys Resources\Start Process.exe family_quasar C:\Users\Admin\AppData\Roaming\Start Process.exe family_quasar -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine Payload 3 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Roaming\Software Check.exe family_redline C:\Users\Admin\AppData\Roaming\Software Check.exe family_redline behavioral2/memory/1808-145-0x0000000000680000-0x000000000069E000-memory.dmp family_redline -
suricata: ET MALWARE Common RAT Connectivity Check Observed
suricata: ET MALWARE Common RAT Connectivity Check Observed
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suricata: ET MALWARE W32/Quasar 1.3/Venom RAT Connectivity Check 3
suricata: ET MALWARE W32/Quasar 1.3/Venom RAT Connectivity Check 3
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Executes dropped EXE 5 IoCs
Processes:
Software Check.exeSteam Accounts Checker v0.4 By X-SLAYER.exeStart Process.exeStart Process.exeStart Process.exepid process 1808 Software Check.exe 1572 Steam Accounts Checker v0.4 By X-SLAYER.exe 2808 Start Process.exe 4992 Start Process.exe 2628 Start Process.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
9C78846071126D7F29A8B82B699903031D7D2CD837DF9.exeStart Process.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation 9C78846071126D7F29A8B82B699903031D7D2CD837DF9.exe Key value queried \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation Start Process.exe -
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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Processes:
Start Process.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features Start Process.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" Start Process.exe -
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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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 20 api.ipify.org 14 ip-api.com -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 4616 1572 WerFault.exe Steam Accounts Checker v0.4 By X-SLAYER.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 1840 schtasks.exe 5116 schtasks.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 12 IoCs
Processes:
Software Check.exepowershell.exeStart Process.exeStart Process.exepid process 1808 Software Check.exe 1808 Software Check.exe 3556 powershell.exe 3556 powershell.exe 2808 Start Process.exe 2808 Start Process.exe 2808 Start Process.exe 2808 Start Process.exe 2808 Start Process.exe 2808 Start Process.exe 2808 Start Process.exe 2628 Start Process.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
Software Check.exeStart Process.exepowershell.exeStart Process.exeStart Process.exedescription pid process Token: SeDebugPrivilege 1808 Software Check.exe Token: SeDebugPrivilege 2808 Start Process.exe Token: SeDebugPrivilege 3556 powershell.exe Token: SeDebugPrivilege 4992 Start Process.exe Token: SeDebugPrivilege 4992 Start Process.exe Token: SeDebugPrivilege 2628 Start Process.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Start Process.exepid process 4992 Start Process.exe -
Suspicious use of WriteProcessMemory 38 IoCs
Processes:
9C78846071126D7F29A8B82B699903031D7D2CD837DF9.exeStart Process.exeStart Process.execmd.execmd.exedescription pid process target process PID 1580 wrote to memory of 1808 1580 9C78846071126D7F29A8B82B699903031D7D2CD837DF9.exe Software Check.exe PID 1580 wrote to memory of 1808 1580 9C78846071126D7F29A8B82B699903031D7D2CD837DF9.exe Software Check.exe PID 1580 wrote to memory of 1808 1580 9C78846071126D7F29A8B82B699903031D7D2CD837DF9.exe Software Check.exe PID 1580 wrote to memory of 1572 1580 9C78846071126D7F29A8B82B699903031D7D2CD837DF9.exe Steam Accounts Checker v0.4 By X-SLAYER.exe PID 1580 wrote to memory of 1572 1580 9C78846071126D7F29A8B82B699903031D7D2CD837DF9.exe Steam Accounts Checker v0.4 By X-SLAYER.exe PID 1580 wrote to memory of 2808 1580 9C78846071126D7F29A8B82B699903031D7D2CD837DF9.exe Start Process.exe PID 1580 wrote to memory of 2808 1580 9C78846071126D7F29A8B82B699903031D7D2CD837DF9.exe Start Process.exe PID 1580 wrote to memory of 2808 1580 9C78846071126D7F29A8B82B699903031D7D2CD837DF9.exe Start Process.exe PID 2808 wrote to memory of 5116 2808 Start Process.exe schtasks.exe PID 2808 wrote to memory of 5116 2808 Start Process.exe schtasks.exe PID 2808 wrote to memory of 5116 2808 Start Process.exe schtasks.exe PID 2808 wrote to memory of 4992 2808 Start Process.exe Start Process.exe PID 2808 wrote to memory of 4992 2808 Start Process.exe Start Process.exe PID 2808 wrote to memory of 4992 2808 Start Process.exe Start Process.exe PID 2808 wrote to memory of 3556 2808 Start Process.exe powershell.exe PID 2808 wrote to memory of 3556 2808 Start Process.exe powershell.exe PID 2808 wrote to memory of 3556 2808 Start Process.exe powershell.exe PID 4992 wrote to memory of 1840 4992 Start Process.exe schtasks.exe PID 4992 wrote to memory of 1840 4992 Start Process.exe schtasks.exe PID 4992 wrote to memory of 1840 4992 Start Process.exe schtasks.exe PID 2808 wrote to memory of 3852 2808 Start Process.exe cmd.exe PID 2808 wrote to memory of 3852 2808 Start Process.exe cmd.exe PID 2808 wrote to memory of 3852 2808 Start Process.exe cmd.exe PID 3852 wrote to memory of 4376 3852 cmd.exe cmd.exe PID 3852 wrote to memory of 4376 3852 cmd.exe cmd.exe PID 3852 wrote to memory of 4376 3852 cmd.exe cmd.exe PID 2808 wrote to memory of 1196 2808 Start Process.exe cmd.exe PID 2808 wrote to memory of 1196 2808 Start Process.exe cmd.exe PID 2808 wrote to memory of 1196 2808 Start Process.exe cmd.exe PID 1196 wrote to memory of 1920 1196 cmd.exe chcp.com PID 1196 wrote to memory of 1920 1196 cmd.exe chcp.com PID 1196 wrote to memory of 1920 1196 cmd.exe chcp.com PID 1196 wrote to memory of 1056 1196 cmd.exe PING.EXE PID 1196 wrote to memory of 1056 1196 cmd.exe PING.EXE PID 1196 wrote to memory of 1056 1196 cmd.exe PING.EXE PID 1196 wrote to memory of 2628 1196 cmd.exe Start Process.exe PID 1196 wrote to memory of 2628 1196 cmd.exe Start Process.exe PID 1196 wrote to memory of 2628 1196 cmd.exe Start Process.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\9C78846071126D7F29A8B82B699903031D7D2CD837DF9.exe"C:\Users\Admin\AppData\Local\Temp\9C78846071126D7F29A8B82B699903031D7D2CD837DF9.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1580 -
C:\Users\Admin\AppData\Roaming\Software Check.exe"C:\Users\Admin\AppData\Roaming\Software Check.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1808
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C:\Users\Admin\AppData\Local\Temp\Steam Accounts Checker v0.4 By X-SLAYER.exe"C:\Users\Admin\AppData\Local\Temp\Steam Accounts Checker v0.4 By X-SLAYER.exe"2⤵
- Executes dropped EXE
PID:1572 -
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 1572 -s 8643⤵
- Program crash
PID:4616
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C:\Users\Admin\AppData\Roaming\Start Process.exe"C:\Users\Admin\AppData\Roaming\Start Process.exe"2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Checks computer location settings
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2808 -
C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "Browser Module" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Start Process.exe" /rl HIGHEST /f3⤵
- Creates scheduled task(s)
PID:5116
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C:\Users\Admin\AppData\Roaming\Sys Resources\Start Process.exe"C:\Users\Admin\AppData\Roaming\Sys Resources\Start Process.exe"3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4992 -
C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "Browser Module" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Sys Resources\Start Process.exe" /rl HIGHEST /f4⤵
- Creates scheduled task(s)
PID:1840
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" Get-MpPreference -verbose3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3556
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k start /b del /q/f/s %TEMP%\* & exit3⤵
- Suspicious use of WriteProcessMemory
PID:3852 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /K del /q/f/s C:\Users\Admin\AppData\Local\Temp\*4⤵PID:4376
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\NbJ09X58vla2.bat" "3⤵
- Suspicious use of WriteProcessMemory
PID:1196 -
C:\Windows\SysWOW64\chcp.comchcp 650014⤵PID:1920
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C:\Windows\SysWOW64\PING.EXEping -n 10 localhost4⤵
- Runs ping.exe
PID:1056
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C:\Users\Admin\AppData\Roaming\Start Process.exe"C:\Users\Admin\AppData\Roaming\Start Process.exe"4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2628
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -pss -s 408 -p 1572 -ip 15721⤵PID:4648
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD58013ca45a4b68a281377f2c7b517ac8a
SHA1aff79b7c8f408e5ae6f00cf9d83e2fd95d9affc3
SHA256234381ea204c431d0936c4141a38381629938e4f5d40dd0ef01de6a282abbae7
SHA512428305df713c12d2165303a9b0433c83a0e3f3088a9551deb6403e9351814c38c2377e7c22ede57bcd23ca764e02fce431c52aba6bf4b998b89a518129fda2d6
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Filesize
207B
MD5fe44e81c40bfade1920849e42f5df009
SHA1638e56c03e7f0a9e00e2a4856c128b653eb850da
SHA256d68bd6d90e6435aa1cc3ac0ba6b58c906ac5fbc3c4fb515a10659b84cefae7c4
SHA512e85fbe4e5f84771a2ef4be30df21ee59d80042099be8a833d0c54d22991c47d723f5405942f52a5b74b809b4ab4531dd1bd26bc40d8e97eec03a1ae6e4b5bbdd
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Filesize
899KB
MD55b74993c433cb811c591a1b2a8155b31
SHA1b06deafe52ed08047025a5d8aa375545bf7e4078
SHA256cef89a16a209e852dc11074589a8680d6cd59812cad1c3e2e42cba75e5109d21
SHA5125ffc5c64a85498e7dd3866131a37fdff816ae1fc0806b666799fef70d6aa16da8bd82a95045a7b1d514de49a01d580813324af971e1379aa6d2946589a9d5ea4
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Filesize
899KB
MD55b74993c433cb811c591a1b2a8155b31
SHA1b06deafe52ed08047025a5d8aa375545bf7e4078
SHA256cef89a16a209e852dc11074589a8680d6cd59812cad1c3e2e42cba75e5109d21
SHA5125ffc5c64a85498e7dd3866131a37fdff816ae1fc0806b666799fef70d6aa16da8bd82a95045a7b1d514de49a01d580813324af971e1379aa6d2946589a9d5ea4
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Filesize
95KB
MD527c2436f6a1c111bef78597d37751138
SHA1f1dabacffc82bbfc7d8db578f0a5653d7fe84bca
SHA256bcac81c69094ea47c3a00cae028ac4c64dd6cbd4fe85e11363e3e35b48c04842
SHA51297e717b9ad5b063e4ff1209684b27d033c5a4a8d9679e3d42d7308fbac1c885a1d3c85d3fed70b7a9adc82203d0e943777d7819456599276c61549186e319636
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Filesize
95KB
MD527c2436f6a1c111bef78597d37751138
SHA1f1dabacffc82bbfc7d8db578f0a5653d7fe84bca
SHA256bcac81c69094ea47c3a00cae028ac4c64dd6cbd4fe85e11363e3e35b48c04842
SHA51297e717b9ad5b063e4ff1209684b27d033c5a4a8d9679e3d42d7308fbac1c885a1d3c85d3fed70b7a9adc82203d0e943777d7819456599276c61549186e319636
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Filesize
535KB
MD54d97786ab8047ad6c08532ed7a017573
SHA1a64d07233d813f9a085722295dca62ca726e291a
SHA2565a72c2a12e0e42313c5d01277d3b26f52810a9753e31883f5f3e7a73a0021870
SHA5129224f6c0af0bb3aa6804e09b36617d2ecf762caf81ec0f2627553788f7045d09878b41ddb63a1d0779973cba52d2f1d59f69bc6c826ad8bb0d807444abab87d2
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Filesize
535KB
MD54d97786ab8047ad6c08532ed7a017573
SHA1a64d07233d813f9a085722295dca62ca726e291a
SHA2565a72c2a12e0e42313c5d01277d3b26f52810a9753e31883f5f3e7a73a0021870
SHA5129224f6c0af0bb3aa6804e09b36617d2ecf762caf81ec0f2627553788f7045d09878b41ddb63a1d0779973cba52d2f1d59f69bc6c826ad8bb0d807444abab87d2
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Filesize
535KB
MD54d97786ab8047ad6c08532ed7a017573
SHA1a64d07233d813f9a085722295dca62ca726e291a
SHA2565a72c2a12e0e42313c5d01277d3b26f52810a9753e31883f5f3e7a73a0021870
SHA5129224f6c0af0bb3aa6804e09b36617d2ecf762caf81ec0f2627553788f7045d09878b41ddb63a1d0779973cba52d2f1d59f69bc6c826ad8bb0d807444abab87d2
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Filesize
535KB
MD54d97786ab8047ad6c08532ed7a017573
SHA1a64d07233d813f9a085722295dca62ca726e291a
SHA2565a72c2a12e0e42313c5d01277d3b26f52810a9753e31883f5f3e7a73a0021870
SHA5129224f6c0af0bb3aa6804e09b36617d2ecf762caf81ec0f2627553788f7045d09878b41ddb63a1d0779973cba52d2f1d59f69bc6c826ad8bb0d807444abab87d2
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Filesize
535KB
MD54d97786ab8047ad6c08532ed7a017573
SHA1a64d07233d813f9a085722295dca62ca726e291a
SHA2565a72c2a12e0e42313c5d01277d3b26f52810a9753e31883f5f3e7a73a0021870
SHA5129224f6c0af0bb3aa6804e09b36617d2ecf762caf81ec0f2627553788f7045d09878b41ddb63a1d0779973cba52d2f1d59f69bc6c826ad8bb0d807444abab87d2