hxxps://u[.]to/EFZ1IA

Analysis

max time kernel
1680s
max time network
1685s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10-03-2024 17:28

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General

Target

https://u.to/EFZ1IA

Score

1^/10

Malware Config

Signatures

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

msedge.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	msedge.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	msedge.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

msedge.exemsedge.exeidentity_helper.exemsedge.exe

pid	process
3300	msedge.exe
3300	msedge.exe
1604	msedge.exe
1604	msedge.exe
1868	identity_helper.exe
1868	identity_helper.exe
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe
4764	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs

Processes:

msedge.exe

pid process

1604 msedge.exe
1604 msedge.exe
1604 msedge.exe
1604 msedge.exe
1604 msedge.exe
1604 msedge.exe
1604 msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

Processes:

msedge.exe

pid	process
1604	msedge.exe
1604	msedge.exe
1604	msedge.exe
1604	msedge.exe
1604	msedge.exe
1604	msedge.exe
1604	msedge.exe
1604	msedge.exe
1604	msedge.exe
1604	msedge.exe
1604	msedge.exe
1604	msedge.exe
1604	msedge.exe
1604	msedge.exe
1604	msedge.exe
1604	msedge.exe
1604	msedge.exe
1604	msedge.exe
1604	msedge.exe
1604	msedge.exe
1604	msedge.exe
1604	msedge.exe
1604	msedge.exe
1604	msedge.exe
1604	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

Processes:

msedge.exe

pid	process
1604	msedge.exe
1604	msedge.exe
1604	msedge.exe
1604	msedge.exe
1604	msedge.exe
1604	msedge.exe
1604	msedge.exe
1604	msedge.exe
1604	msedge.exe
1604	msedge.exe
1604	msedge.exe
1604	msedge.exe
1604	msedge.exe
1604	msedge.exe
1604	msedge.exe
1604	msedge.exe
1604	msedge.exe
1604	msedge.exe
1604	msedge.exe
1604	msedge.exe
1604	msedge.exe
1604	msedge.exe
1604	msedge.exe
1604	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

msedge.exe

description	pid	process	target process
PID 1604 wrote to memory of 3544	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 3544	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 440	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 440	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 440	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 440	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 440	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 440	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 440	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 440	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 440	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 440	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 440	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 440	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 440	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 440	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 440	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 440	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 440	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 440	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 440	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 440	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 440	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 440	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 440	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 440	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 440	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 440	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 440	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 440	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 440	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 440	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 440	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 440	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 440	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 440	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 440	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 440	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 440	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 440	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 440	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 440	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 3300	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 3300	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 2800	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 2800	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 2800	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 2800	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 2800	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 2800	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 2800	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 2800	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 2800	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 2800	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 2800	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 2800	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 2800	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 2800	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 2800	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 2800	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 2800	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 2800	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 2800	1604	msedge.exe	msedge.exe
PID 1604 wrote to memory of 2800	1604	msedge.exe	msedge.exe

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://u.to/EFZ1IA
1⤵
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1604

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffbdbb546f8,0x7ffbdbb54708,0x7ffbdbb54718
2⤵
PID:3544

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2096,13655879619915087533,6780394362718924382,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2108 /prefetch:2
2⤵
PID:440

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2096,13655879619915087533,6780394362718924382,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2184 /prefetch:3
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:3300

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2096,13655879619915087533,6780394362718924382,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2724 /prefetch:8
2⤵
PID:2800

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,13655879619915087533,6780394362718924382,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3288 /prefetch:1
2⤵
PID:3324

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,13655879619915087533,6780394362718924382,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3308 /prefetch:1
2⤵
PID:3960

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,13655879619915087533,6780394362718924382,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4812 /prefetch:1
2⤵
PID:3252

C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2096,13655879619915087533,6780394362718924382,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5368 /prefetch:8
2⤵
PID:4812

C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2096,13655879619915087533,6780394362718924382,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5368 /prefetch:8
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:1868

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,13655879619915087533,6780394362718924382,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5460 /prefetch:1
2⤵
PID:4328

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,13655879619915087533,6780394362718924382,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5476 /prefetch:1
2⤵
PID:1748

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,13655879619915087533,6780394362718924382,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5164 /prefetch:1
2⤵
PID:3328

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,13655879619915087533,6780394362718924382,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4100 /prefetch:1
2⤵
PID:1200

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2096,13655879619915087533,6780394362718924382,131072 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAQAAAAAAAAAAAAAAAAAABgAAAEAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=5776 /prefetch:2
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:4764

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1980

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1656

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
Filesize
152B

MD5
47b2c6613360b818825d076d14c051f7

SHA1
7df7304568313a06540f490bf3305cb89bc03e5c

SHA256
47a22bea2e7d0154c59bf5d8790ec68274eb05e9fa6cf0eab0d648121f1a02ac

SHA512
08d2366fc1ce87dbe96b9bf997e4c59c9206fcfea47c1f17b01e79aeb0580f25cac5c7349bb453a50775b2743053446653f4129f835f81f4a8547ca392557aac

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
Filesize
152B

MD5
e0811105475d528ab174dfdb69f935f3

SHA1
dd9689f0f70a07b4e6fb29607e42d2d5faf1f516

SHA256
c91388c87878a9e2c530c6096dbdd993b0a26fefe8ad797e0133547225032d6c

SHA512
8374a721ea3ff3a1ea70d8a074e5c193dbba27ba7e301f19cea89d648b2378c376e48310c33fe81078cd40b1863daec935e8ac22e8e3878dc3a5bb529d028852

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index
Filesize
384B

MD5
cb7ea4c2acf5b2b1fa7208b87ccb11d2

SHA1
619654c7957521510a11d930c1ee5d7fd2c4bd88

SHA256
f64c5418ee0f2ebd68f553eea5a46c4b2277164e929ab81bdc825f36cabe845f

SHA512
8a2e356ce287ffcea96f6dd3777d126395637dbe72aaa37f11a592782203e24c0ba6b25c1970a5d544e276c3daae14529939e99f9f224337d88399c2f10b5423

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index
Filesize
456B

MD5
fd87dddfe14a668bfe8b730521858b88

SHA1
d4c03af7e8485f8cf468c6a49b8742deba0f17dc

SHA256
740dd2b2f0830a8c6aba695ef2d94480d8252b13fc91686def77665d161ed3e9

SHA512
8e32ddf168485451db4fd4542677d4e1596059a0481bc248b95d473dcd382869bae3cab40acd6b12e2ada7457f9240013cdc79503150e7bd7c3859103523fdbd

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C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State
Filesize
1023B

MD5
1f24599529893c868cf4318d0d32522b

SHA1
0c71c0a5576c506f1a480bc87031513a8119fd72

SHA256
177ad1dced286bc4da006f555271c515b47dfac4fa1ebbd006a0f25eba9f50bd

SHA512
a7c47355ca7d6e71e7d9be61dfc5a5152a74072e7060cd8f72c2f715a0b5cd5cb0d206d59b8e8158b040a9515189ac9a86d66cceb7e248d6f3a6c68b17c1b9d1

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
Filesize
6KB

MD5
b11f25b0cc0758a46648135723c7b158

SHA1
7c57026f7db796d6b71a4ebb8508fdac28ad1291

SHA256
66dc38aed13a2fd754b7733e8f402cd14119c945b58191f680520ccbe23257c0

SHA512
4e6d1855de254b7979dd7efe141e22a256f27e74da2afff268aee2bc4135c197ab6e33d94b26738fc7489422df0c592e3a1c82f6c4b9d12061f3349cd78358e2

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
Filesize
6KB

MD5
b20ac92ba74ec178759d44613c5d37dd

SHA1
e3ec418a1997d8b4daea0fe3da85f8aaf232f5fc

SHA256
4a8613269b4dd65191dea50a6166f1c224bcbe21a40d2bcfe0782898ca6e2fe2

SHA512
5c7272d97cd04c491533ce354b84eeec0a0fd02b39091b50e7b5ccdafb6f33cea0436460d8b97ebc6846942e72740fe31afead0197ba914b73c4cc799e43f8e6

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C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT
Filesize
16B

MD5
6752a1d65b201c13b62ea44016eb221f

SHA1
58ecf154d01a62233ed7fb494ace3c3d4ffce08b

SHA256
0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

SHA512
9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

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C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
Filesize
11KB

MD5
83dff7d1303d65255ecd2871d3539b73

SHA1
0ab80e4a4cc49b60bd35d145ad1c03e4ea82d13a

SHA256
70a35dd8df6db921a9f2a4ec5534a00e70e36d4b76871bdd920f9c220edb6f7e

SHA512
637ce72adbee4cf0b10b635449bcbff7274a4cb1f01df38670b5ad29aa2c4d3019dc8aa073db431efb908a7703f2c2990428fcbcd72e8d1403108576209b3ef7

Download Submit
\??\pipe\LOCAL\crashpad_1604_OJQFBUBSQUMCGNGI
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit