hxxps://answers[.]microsoft[.]com/en-us/windows/forum/all/completely-disabling-ms-gs-wavetable-synth/5b2297a5-0904-4340-bdbb-ce528b3068c5

Analysis

max time kernel
147s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
30/06/2024, 14:13

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General

Target

https://answers.microsoft.com/en-us/windows/forum/all/completely-disabling-ms-gs-wavetable-synth/5b2297a5-0904-4340-bdbb-ce528b3068c5

Score

1^/10

Malware Config

Signatures

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
4760	msedge.exe
4760	msedge.exe
4888	msedge.exe
4888	msedge.exe
2920	identity_helper.exe
2920	identity_helper.exe
3228	msedge.exe
3228	msedge.exe
3228	msedge.exe
3228	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 11 IoCs

pid	Process
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe
4888	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4888 wrote to memory of 4744	4888	msedge.exe	81
PID 4888 wrote to memory of 4744	4888	msedge.exe	81
PID 4888 wrote to memory of 4720	4888	msedge.exe	82
PID 4888 wrote to memory of 4720	4888	msedge.exe	82
PID 4888 wrote to memory of 4720	4888	msedge.exe	82
PID 4888 wrote to memory of 4720	4888	msedge.exe	82
PID 4888 wrote to memory of 4720	4888	msedge.exe	82
PID 4888 wrote to memory of 4720	4888	msedge.exe	82
PID 4888 wrote to memory of 4720	4888	msedge.exe	82
PID 4888 wrote to memory of 4720	4888	msedge.exe	82
PID 4888 wrote to memory of 4720	4888	msedge.exe	82
PID 4888 wrote to memory of 4720	4888	msedge.exe	82
PID 4888 wrote to memory of 4720	4888	msedge.exe	82
PID 4888 wrote to memory of 4720	4888	msedge.exe	82
PID 4888 wrote to memory of 4720	4888	msedge.exe	82
PID 4888 wrote to memory of 4720	4888	msedge.exe	82
PID 4888 wrote to memory of 4720	4888	msedge.exe	82
PID 4888 wrote to memory of 4720	4888	msedge.exe	82
PID 4888 wrote to memory of 4720	4888	msedge.exe	82
PID 4888 wrote to memory of 4720	4888	msedge.exe	82
PID 4888 wrote to memory of 4720	4888	msedge.exe	82
PID 4888 wrote to memory of 4720	4888	msedge.exe	82
PID 4888 wrote to memory of 4720	4888	msedge.exe	82
PID 4888 wrote to memory of 4720	4888	msedge.exe	82
PID 4888 wrote to memory of 4720	4888	msedge.exe	82
PID 4888 wrote to memory of 4720	4888	msedge.exe	82
PID 4888 wrote to memory of 4720	4888	msedge.exe	82
PID 4888 wrote to memory of 4720	4888	msedge.exe	82
PID 4888 wrote to memory of 4720	4888	msedge.exe	82
PID 4888 wrote to memory of 4720	4888	msedge.exe	82
PID 4888 wrote to memory of 4720	4888	msedge.exe	82
PID 4888 wrote to memory of 4720	4888	msedge.exe	82
PID 4888 wrote to memory of 4720	4888	msedge.exe	82
PID 4888 wrote to memory of 4720	4888	msedge.exe	82
PID 4888 wrote to memory of 4720	4888	msedge.exe	82
PID 4888 wrote to memory of 4720	4888	msedge.exe	82
PID 4888 wrote to memory of 4720	4888	msedge.exe	82
PID 4888 wrote to memory of 4720	4888	msedge.exe	82
PID 4888 wrote to memory of 4720	4888	msedge.exe	82
PID 4888 wrote to memory of 4720	4888	msedge.exe	82
PID 4888 wrote to memory of 4720	4888	msedge.exe	82
PID 4888 wrote to memory of 4720	4888	msedge.exe	82
PID 4888 wrote to memory of 4760	4888	msedge.exe	83
PID 4888 wrote to memory of 4760	4888	msedge.exe	83
PID 4888 wrote to memory of 4280	4888	msedge.exe	84
PID 4888 wrote to memory of 4280	4888	msedge.exe	84
PID 4888 wrote to memory of 4280	4888	msedge.exe	84
PID 4888 wrote to memory of 4280	4888	msedge.exe	84
PID 4888 wrote to memory of 4280	4888	msedge.exe	84
PID 4888 wrote to memory of 4280	4888	msedge.exe	84
PID 4888 wrote to memory of 4280	4888	msedge.exe	84
PID 4888 wrote to memory of 4280	4888	msedge.exe	84
PID 4888 wrote to memory of 4280	4888	msedge.exe	84
PID 4888 wrote to memory of 4280	4888	msedge.exe	84
PID 4888 wrote to memory of 4280	4888	msedge.exe	84
PID 4888 wrote to memory of 4280	4888	msedge.exe	84
PID 4888 wrote to memory of 4280	4888	msedge.exe	84
PID 4888 wrote to memory of 4280	4888	msedge.exe	84
PID 4888 wrote to memory of 4280	4888	msedge.exe	84
PID 4888 wrote to memory of 4280	4888	msedge.exe	84
PID 4888 wrote to memory of 4280	4888	msedge.exe	84
PID 4888 wrote to memory of 4280	4888	msedge.exe	84
PID 4888 wrote to memory of 4280	4888	msedge.exe	84
PID 4888 wrote to memory of 4280	4888	msedge.exe	84

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://answers.microsoft.com/en-us/windows/forum/all/completely-disabling-ms-gs-wavetable-synth/5b2297a5-0904-4340-bdbb-ce528b3068c5
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:4888
- 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,0x100,0x104,0xd8,0x108,0x7ffe542a46f8,0x7ffe542a4708,0x7ffe542a4718
  2⤵
  PID:4744
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2116,15509471610812472798,8872832577220095153,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2124 /prefetch:2
  2⤵
  PID:4720
- 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=2116,15509471610812472798,8872832577220095153,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2088 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4760
- 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=2116,15509471610812472798,8872832577220095153,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2832 /prefetch:8
  2⤵
  PID:4280
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,15509471610812472798,8872832577220095153,131072 --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=3308 /prefetch:1
  2⤵
  PID:4876
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,15509471610812472798,8872832577220095153,131072 --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=3316 /prefetch:1
  2⤵
  PID:460
- 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=2116,15509471610812472798,8872832577220095153,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5024 /prefetch:8
  2⤵
  PID:4612
- 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=2116,15509471610812472798,8872832577220095153,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5024 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2920
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,15509471610812472798,8872832577220095153,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4224 /prefetch:1
  2⤵
  PID:5004
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,15509471610812472798,8872832577220095153,131072 --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=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4260 /prefetch:1
  2⤵
  PID:1812
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,15509471610812472798,8872832577220095153,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4620 /prefetch:1
  2⤵
  PID:2300
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,15509471610812472798,8872832577220095153,131072 --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=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4052 /prefetch:1
  2⤵
  PID:4164
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,15509471610812472798,8872832577220095153,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5308 /prefetch:1
  2⤵
  PID:5108
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,15509471610812472798,8872832577220095153,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5472 /prefetch:1
  2⤵
  PID:3748
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,15509471610812472798,8872832577220095153,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3960 /prefetch:1
  2⤵
  PID:4736
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,15509471610812472798,8872832577220095153,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3100 /prefetch:1
  2⤵
  PID:2940
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2116,15509471610812472798,8872832577220095153,131072 --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=1712 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3228
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,15509471610812472798,8872832577220095153,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=17 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3164 /prefetch:1
  2⤵
  PID:3572

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1996

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2816

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
56641592f6e69f5f5fb06f2319384490

SHA1
6a86be42e2c6d26b7830ad9f4e2627995fd91069

SHA256
02d4984e590e947265474d592e64edde840fdca7eb881eebde3e220a1d883455

SHA512
c75e689b2bbbe07ebf72baf75c56f19c39f45d5593cf47535eb722f95002b3ee418027047c0ee8d63800f499038db5e2c24aff9705d830c7b6eaa290d9adc868

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

Filesize
152B

MD5
612a6c4247ef652299b376221c984213

SHA1
d306f3b16bde39708aa862aee372345feb559750

SHA256
9d8e24c91cff338e56b518a533cb2e49a2803356bbf6e04892fb168a7ce2844a

SHA512
34a14d63abb1e3fe0f9927a94393043d458fe0624843e108d290266f554018e6379cba924cb5388735abdd6c5f1e2e318478a673f3f9b762815a758866d10973

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

Filesize
5KB

MD5
48cdf4edf7d077b61db635f7cea79810

SHA1
47d4cc4373b81bbd008d70f6849311389de0ab7c

SHA256
3152a4fe61f7e4be75de6c8a35965af123cd1cf8372d01864d357146162ad035

SHA512
c76927c5597c61f2fa9c2c8de1af5b91846a7efdf8dce736d34d4b98907d9093e06442b5339b79a729b829bd95f1533a89de9b00be430572df26ad30776a4b0d

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

Filesize
6KB

MD5
7f63951799c6e6c17a2b53431922ef07

SHA1
2c5f663602c46d28df51263b4b45d1bdf75158d6

SHA256
9192af39e097f4e7640aad8a05274eebb2193e2ed68164493d0ba6a33fc57f71

SHA512
e02d114b025248904529e4b78c8842968c321b10d2e4c6106cee271448e887cfc0aea74fdbdbca9aa550ae59798222cadee72331b7bb26feda2ebe85f6b0adad

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

Filesize
16B

MD5
46295cac801e5d4857d09837238a6394

SHA1
44e0fa1b517dbf802b18faf0785eeea6ac51594b

SHA256
0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

SHA512
8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

Filesize
16B

MD5
206702161f94c5cd39fadd03f4014d98

SHA1
bd8bfc144fb5326d21bd1531523d9fb50e1b600a

SHA256
1005a525006f148c86efcbfb36c6eac091b311532448010f70f7de9a68007167

SHA512
0af09f26941b11991c750d1a2b525c39a8970900e98cba96fd1b55dbf93fee79e18b8aab258f48b4f7bda40d059629bc7770d84371235cdb1352a4f17f80e145

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

Filesize
8KB

MD5
215a8890b31fdcde82ba982ffbab5b0f

SHA1
246de3c5fc54ddef75a87a1d68c53d01ef17704c

SHA256
5cf4354cb36cdf56c6f22b8009059b13fc89e30853509a63a745314a43ce1a0b

SHA512
7cc395537beb6e533c6c16d61478d21e2935557253c099b30cf43b23ae955269d5704490d7ee21a8babb4b5110e13bbbc6157940ca989ed939546a35e8137e8b

Download Submit