Analysis
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max time kernel
119s -
max time network
121s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
21-01-2025 12:25
Static task
static1
Behavioral task
behavioral1
Sample
b73b703df104bdc6a6088d0096448ba4312938bc738791a50d55792788b46913.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
b73b703df104bdc6a6088d0096448ba4312938bc738791a50d55792788b46913.exe
Resource
win10v2004-20241007-en
General
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Target
b73b703df104bdc6a6088d0096448ba4312938bc738791a50d55792788b46913.exe
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Size
159KB
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MD5
f2d8c3dec1e9985bc659d18341b573bf
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SHA1
d0e7b2fe9fc1aaadc0ef2c1256c7754f3bbe6e8f
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SHA256
b73b703df104bdc6a6088d0096448ba4312938bc738791a50d55792788b46913
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SHA512
415e0955db51117127d9440ff5cdae98cf6b7c16e46cc1aa8772d4631cb3d0c8338c016480b276b41a2c570be4d6f956286d5a054e2c76749b45336c4d0b7c4a
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SSDEEP
3072:0325N7aVopufIeZuVGoFkfAylFYOKYoGCllFhdoH3hZ9Roe2eX9pxK:j1U8peZuVDRkClAXhT2eF9O
Malware Config
Extracted
xworm
indian-tall.gl.at.ply.gg:65520
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Install_directory
%AppData%
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install_file
keyauth.exe
Signatures
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Detect Xworm Payload 4 IoCs
resource yara_rule behavioral2/files/0x0009000000023c9e-7.dat family_xworm behavioral2/files/0x0007000000023cb2-18.dat family_xworm behavioral2/memory/2524-28-0x0000000000210000-0x0000000000228000-memory.dmp family_xworm behavioral2/memory/4484-22-0x00000000003F0000-0x000000000040A000-memory.dmp family_xworm -
Xworm family
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Command and Scripting Interpreter: PowerShell 1 TTPs 8 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 3980 powershell.exe 3232 powershell.exe 3828 powershell.exe 4224 powershell.exe 3304 powershell.exe 1424 powershell.exe 2720 powershell.exe 1592 powershell.exe -
Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation b73b703df104bdc6a6088d0096448ba4312938bc738791a50d55792788b46913.exe Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation xclient.exe Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation XwormLoader.exe -
Drops startup file 4 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk XwormLoader.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk XwormLoader.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\keyauth.lnk xclient.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\keyauth.lnk xclient.exe -
Executes dropped EXE 4 IoCs
pid Process 4484 XwormLoader.exe 2524 xclient.exe 4148 keyauth.exe 2900 keyauth.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\keyauth = "C:\\Users\\Admin\\AppData\\Roaming\\keyauth.exe" xclient.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 37 IoCs
flow ioc 20 pastebin.com 60 pastebin.com 72 pastebin.com 19 pastebin.com 24 pastebin.com 71 pastebin.com 83 pastebin.com 87 pastebin.com 36 pastebin.com 54 pastebin.com 73 pastebin.com 48 pastebin.com 53 pastebin.com 59 pastebin.com 66 pastebin.com 67 pastebin.com 85 pastebin.com 27 pastebin.com 70 pastebin.com 74 pastebin.com 88 pastebin.com 55 pastebin.com 56 pastebin.com 58 pastebin.com 64 pastebin.com 86 pastebin.com 26 pastebin.com 37 pastebin.com 75 pastebin.com 91 pastebin.com 34 pastebin.com 38 pastebin.com 61 pastebin.com 68 pastebin.com 82 pastebin.com 89 pastebin.com 90 pastebin.com -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 15 ip-api.com -
Obfuscated Files or Information: Command Obfuscation 1 TTPs
Adversaries may obfuscate content during command execution to impede detection.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3020 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 19 IoCs
pid Process 380 powershell.exe 380 powershell.exe 4224 powershell.exe 3304 powershell.exe 3304 powershell.exe 4224 powershell.exe 1424 powershell.exe 2720 powershell.exe 1424 powershell.exe 2720 powershell.exe 1592 powershell.exe 3980 powershell.exe 3980 powershell.exe 1592 powershell.exe 3232 powershell.exe 3828 powershell.exe 3828 powershell.exe 3232 powershell.exe 2524 xclient.exe -
Suspicious use of AdjustPrivilegeToken 14 IoCs
description pid Process Token: SeDebugPrivilege 4484 XwormLoader.exe Token: SeDebugPrivilege 2524 xclient.exe Token: SeDebugPrivilege 380 powershell.exe Token: SeDebugPrivilege 4224 powershell.exe Token: SeDebugPrivilege 3304 powershell.exe Token: SeDebugPrivilege 1424 powershell.exe Token: SeDebugPrivilege 2720 powershell.exe Token: SeDebugPrivilege 1592 powershell.exe Token: SeDebugPrivilege 3980 powershell.exe Token: SeDebugPrivilege 3232 powershell.exe Token: SeDebugPrivilege 3828 powershell.exe Token: SeDebugPrivilege 2524 xclient.exe Token: SeDebugPrivilege 4148 keyauth.exe Token: SeDebugPrivilege 2900 keyauth.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2524 xclient.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 4656 wrote to memory of 380 4656 b73b703df104bdc6a6088d0096448ba4312938bc738791a50d55792788b46913.exe 83 PID 4656 wrote to memory of 380 4656 b73b703df104bdc6a6088d0096448ba4312938bc738791a50d55792788b46913.exe 83 PID 4656 wrote to memory of 4484 4656 b73b703df104bdc6a6088d0096448ba4312938bc738791a50d55792788b46913.exe 85 PID 4656 wrote to memory of 4484 4656 b73b703df104bdc6a6088d0096448ba4312938bc738791a50d55792788b46913.exe 85 PID 4656 wrote to memory of 2524 4656 b73b703df104bdc6a6088d0096448ba4312938bc738791a50d55792788b46913.exe 86 PID 4656 wrote to memory of 2524 4656 b73b703df104bdc6a6088d0096448ba4312938bc738791a50d55792788b46913.exe 86 PID 2524 wrote to memory of 4224 2524 xclient.exe 88 PID 2524 wrote to memory of 4224 2524 xclient.exe 88 PID 4484 wrote to memory of 3304 4484 XwormLoader.exe 89 PID 4484 wrote to memory of 3304 4484 XwormLoader.exe 89 PID 4484 wrote to memory of 1424 4484 XwormLoader.exe 92 PID 4484 wrote to memory of 1424 4484 XwormLoader.exe 92 PID 2524 wrote to memory of 2720 2524 xclient.exe 94 PID 2524 wrote to memory of 2720 2524 xclient.exe 94 PID 4484 wrote to memory of 1592 4484 XwormLoader.exe 96 PID 4484 wrote to memory of 1592 4484 XwormLoader.exe 96 PID 2524 wrote to memory of 3980 2524 xclient.exe 98 PID 2524 wrote to memory of 3980 2524 xclient.exe 98 PID 2524 wrote to memory of 3828 2524 xclient.exe 100 PID 2524 wrote to memory of 3828 2524 xclient.exe 100 PID 4484 wrote to memory of 3232 4484 XwormLoader.exe 101 PID 4484 wrote to memory of 3232 4484 XwormLoader.exe 101 PID 2524 wrote to memory of 3020 2524 xclient.exe 105 PID 2524 wrote to memory of 3020 2524 xclient.exe 105 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\b73b703df104bdc6a6088d0096448ba4312938bc738791a50d55792788b46913.exe"C:\Users\Admin\AppData\Local\Temp\b73b703df104bdc6a6088d0096448ba4312938bc738791a50d55792788b46913.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4656 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAHkAcgB0ACMAPgBBAGQAZAAtAFQAeQBwAGUAIAAtAEEAcwBzAGUAbQBiAGwAeQBOAGEAbQBlACAAUwB5AHMAdABlAG0ALgBXAGkAbgBkAG8AdwBzAC4ARgBvAHIAbQBzADsAPAAjAHcAeAB5ACMAPgBbAFMAeQBzAHQAZQBtAC4AVwBpAG4AZABvAHcAcwAuAEYAbwByAG0AcwAuAE0AZQBzAHMAYQBnAGUAQgBvAHgAXQA6ADoAUwBoAG8AdwAoACcARQByAHIAbwByAF8AYwBvAGQAZQBfADAAeAAxACcALAAnACcALAAnAE8ASwAnACwAJwBFAHIAcgBvAHIAJwApADwAIwB2AHcAZwAjAD4A"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:380
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C:\Users\Admin\AppData\Local\Temp\XwormLoader.exe"C:\Users\Admin\AppData\Local\Temp\XwormLoader.exe"2⤵
- Checks computer location settings
- Drops startup file
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4484 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\XwormLoader.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3304
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XwormLoader.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1424
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\XClient.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1592
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3232
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C:\Users\Admin\AppData\Local\Temp\xclient.exe"C:\Users\Admin\AppData\Local\Temp\xclient.exe"2⤵
- Checks computer location settings
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2524 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\xclient.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4224
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'xclient.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2720
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\keyauth.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3980
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'keyauth.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3828
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "keyauth" /tr "C:\Users\Admin\AppData\Roaming\keyauth.exe"3⤵
- Scheduled Task/Job: Scheduled Task
PID:3020
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C:\Users\Admin\AppData\Roaming\keyauth.exeC:\Users\Admin\AppData\Roaming\keyauth.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4148
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C:\Users\Admin\AppData\Roaming\keyauth.exeC:\Users\Admin\AppData\Roaming\keyauth.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2900
Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
654B
MD52ff39f6c7249774be85fd60a8f9a245e
SHA1684ff36b31aedc1e587c8496c02722c6698c1c4e
SHA256e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced
SHA5121d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1
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Filesize
2KB
MD5d85ba6ff808d9e5444a4b369f5bc2730
SHA131aa9d96590fff6981b315e0b391b575e4c0804a
SHA25684739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA5128c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
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Filesize
944B
MD515dde0683cd1ca19785d7262f554ba93
SHA1d039c577e438546d10ac64837b05da480d06bf69
SHA256d6fa39eab7ee36f44dc3f9f2839d098433db95c1eba924e4bcf4e5c0d268d961
SHA51257c0e1b87bc1c136f0d39f3ce64bb8f8274a0491e4ca6e45e5c7f9070aa9d9370c6f590ce37cd600b252df2638d870205249a514c43245ca7ed49017024a4672
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Filesize
944B
MD59bc110200117a3752313ca2acaf8a9e1
SHA1fda6b7da2e7b0175b391475ca78d1b4cf2147cd3
SHA256c88e4bbb64f7fa31429ebe82c1cf07785c44486f37576f783a26ac856e02a4eb
SHA5121f1af32aa18a8cbfcc65b0d4fb7e6ca2705f125eaa85789e981ee68b90c64522e954825abf460d4b4f97567715dfae8d9b0a25a4d54d10bc4c257c472f2e80fb
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Filesize
1KB
MD5f5fc6519219e8ab530a865e149a92a02
SHA1c87b95f3c358c6b12da350bb978ff195d2feb060
SHA2560420d40d4963dede50b4fb06bcd7ed341e9bae388c8cade178c52d0f4088d23f
SHA512dcd64a54d777f4832b959f91f4deea1106a6065dd7d0421d47e5de28a227033387bc9af695111b669aad7b2b36922ef09e5384628c708fe595e7daff7bb5468e
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Filesize
944B
MD562623d22bd9e037191765d5083ce16a3
SHA14a07da6872672f715a4780513d95ed8ddeefd259
SHA25695d79fd575bbd21540e378fcbc1cd00d16f51af62ce15bae7080bb72c24e2010
SHA5129a448b7a0d867466c2ea04ab84d2a9485d5fd20ab53b2b854f491831ee3f1d781b94d2635f7b0b35cb9f2d373cd52c67570879a56a42ed66bc9db06962ed4992
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Filesize
944B
MD598baf5117c4fcec1692067d200c58ab3
SHA15b33a57b72141e7508b615e17fb621612cb8e390
SHA25630bf8496e9a08f4fdfe4767abcd565f92b6da06ca1c7823a70cb7cab16262e51
SHA512344a70bfc037d54176f12db91f05bf4295bb587a5062fd1febe6f52853571170bd8ef6042cb87b893185bbae1937cf77b679d7970f8cc1c2666b0b7c1b32987d
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Filesize
77KB
MD5e7525a2d46d78f6ea17a3c32815cc1a2
SHA1734b924697ddfd032ae0f2467b404b91650d72f3
SHA256c388c156025273419447629bfb28728b32c785a47968c7bce227adb31a66ffa3
SHA512cb38565d63a429517493a5093ab93861744b4584594221c7fb558e9f5832b3feaf3f52f902079f7e7299ce2008fa03cb1ff59118469ce6461d9319ae2d5b2d34
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
74KB
MD58f0fab5837f63b48e3d0bf98013ecde6
SHA103e392b90a808f77595f571dd01c8ce864e87d2c
SHA256703c26b59e5eefc02cc93db1f440a7ed273cdb8928f082105f41120adc41964d
SHA512d980674a3343c51c77b8a05b264e2c01a38f8e4ffa300763dbb2ff11e66dcce0555437e5b4ced5a6fffd0793577c9c816403987b5affccf1639bbf1338f7884d