b17b3d74fa5c5d05d56f71aabf7b1e6919a39093246ece3b71601bbff9ca82d5

Analysis

max time kernel
152s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
19/03/2024, 21:17

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General

Target

d721cddd6dfe7b4be6c90739c0a3213d.pdf
Size

87KB
MD5

d721cddd6dfe7b4be6c90739c0a3213d
SHA1

a587d622a9ca65223ef72de9533b3b8c69f2ff6a
SHA256

b17b3d74fa5c5d05d56f71aabf7b1e6919a39093246ece3b71601bbff9ca82d5
SHA512

fcaa4f46e81edab43f5a501b84a7f634b1ddae4a0615727b9af6bec11f18c4820283792bd5a69f4598a040b664b7155bf39eae0edb9f2c05a936b21f70907dc9
SSDEEP

1536:OnDwWTCUauypYL63FMBFYwcswb1DLx3L7MXT0L95XFdWB6obTAsRN07W2buEJPPO:ODwWiB8FPEp9RQBJbTXRN0dPPO

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4988	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe
4988	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4988 wrote to memory of 3908	4988	AcroRd32.exe	102
PID 4988 wrote to memory of 3908	4988	AcroRd32.exe	102
PID 4988 wrote to memory of 3908	4988	AcroRd32.exe	102
PID 4988 wrote to memory of 4404	4988	AcroRd32.exe	104
PID 4988 wrote to memory of 4404	4988	AcroRd32.exe	104
PID 4988 wrote to memory of 4404	4988	AcroRd32.exe	104
PID 4988 wrote to memory of 1012	4988	AcroRd32.exe	106
PID 4988 wrote to memory of 1012	4988	AcroRd32.exe	106
PID 4988 wrote to memory of 1012	4988	AcroRd32.exe	106
PID 1012 wrote to memory of 3632	1012	RdrCEF.exe	109
PID 1012 wrote to memory of 3632	1012	RdrCEF.exe	109
PID 1012 wrote to memory of 3632	1012	RdrCEF.exe	109
PID 1012 wrote to memory of 3632	1012	RdrCEF.exe	109
PID 1012 wrote to memory of 3632	1012	RdrCEF.exe	109
PID 1012 wrote to memory of 3632	1012	RdrCEF.exe	109
PID 1012 wrote to memory of 3632	1012	RdrCEF.exe	109
PID 1012 wrote to memory of 3632	1012	RdrCEF.exe	109
PID 1012 wrote to memory of 3632	1012	RdrCEF.exe	109
PID 1012 wrote to memory of 3632	1012	RdrCEF.exe	109
PID 1012 wrote to memory of 3632	1012	RdrCEF.exe	109
PID 1012 wrote to memory of 3632	1012	RdrCEF.exe	109
PID 1012 wrote to memory of 3632	1012	RdrCEF.exe	109
PID 1012 wrote to memory of 3632	1012	RdrCEF.exe	109
PID 1012 wrote to memory of 3632	1012	RdrCEF.exe	109
PID 1012 wrote to memory of 3632	1012	RdrCEF.exe	109
PID 1012 wrote to memory of 3632	1012	RdrCEF.exe	109
PID 1012 wrote to memory of 3632	1012	RdrCEF.exe	109
PID 1012 wrote to memory of 3632	1012	RdrCEF.exe	109
PID 1012 wrote to memory of 3632	1012	RdrCEF.exe	109
PID 1012 wrote to memory of 3632	1012	RdrCEF.exe	109
PID 1012 wrote to memory of 3632	1012	RdrCEF.exe	109
PID 1012 wrote to memory of 3632	1012	RdrCEF.exe	109
PID 1012 wrote to memory of 3632	1012	RdrCEF.exe	109
PID 1012 wrote to memory of 3632	1012	RdrCEF.exe	109
PID 1012 wrote to memory of 3632	1012	RdrCEF.exe	109
PID 1012 wrote to memory of 3632	1012	RdrCEF.exe	109
PID 1012 wrote to memory of 3632	1012	RdrCEF.exe	109
PID 1012 wrote to memory of 3632	1012	RdrCEF.exe	109
PID 1012 wrote to memory of 3632	1012	RdrCEF.exe	109
PID 1012 wrote to memory of 3632	1012	RdrCEF.exe	109
PID 1012 wrote to memory of 3632	1012	RdrCEF.exe	109
PID 1012 wrote to memory of 3632	1012	RdrCEF.exe	109
PID 1012 wrote to memory of 3632	1012	RdrCEF.exe	109
PID 1012 wrote to memory of 3632	1012	RdrCEF.exe	109
PID 1012 wrote to memory of 3632	1012	RdrCEF.exe	109
PID 1012 wrote to memory of 3632	1012	RdrCEF.exe	109
PID 1012 wrote to memory of 3632	1012	RdrCEF.exe	109
PID 1012 wrote to memory of 3632	1012	RdrCEF.exe	109
PID 1012 wrote to memory of 3632	1012	RdrCEF.exe	109
PID 1012 wrote to memory of 3632	1012	RdrCEF.exe	109
PID 1012 wrote to memory of 400	1012	RdrCEF.exe	110
PID 1012 wrote to memory of 400	1012	RdrCEF.exe	110
PID 1012 wrote to memory of 400	1012	RdrCEF.exe	110
PID 1012 wrote to memory of 400	1012	RdrCEF.exe	110
PID 1012 wrote to memory of 400	1012	RdrCEF.exe	110
PID 1012 wrote to memory of 400	1012	RdrCEF.exe	110
PID 1012 wrote to memory of 400	1012	RdrCEF.exe	110
PID 1012 wrote to memory of 400	1012	RdrCEF.exe	110
PID 1012 wrote to memory of 400	1012	RdrCEF.exe	110
PID 1012 wrote to memory of 400	1012	RdrCEF.exe	110
PID 1012 wrote to memory of 400	1012	RdrCEF.exe	110
PID 1012 wrote to memory of 400	1012	RdrCEF.exe	110
PID 1012 wrote to memory of 400	1012	RdrCEF.exe	110
PID 1012 wrote to memory of 400	1012	RdrCEF.exe	110

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\d721cddd6dfe7b4be6c90739c0a3213d.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4988
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  PID:3908
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  PID:4404
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1012
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=DFAA5928B82B3CB67D2A9C30F8B996BD --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3632
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=CA556B042F593C029C0AA4404C4C235A --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=CA556B042F593C029C0AA4404C4C235A --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:400
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=5AD0990A73960886E09B3E7C082AA17E --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=5AD0990A73960886E09B3E7C082AA17E --renderer-client-id=4 --mojo-platform-channel-handle=2180 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1508
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=86E5D657E92BD7B80F23510BAE083682 --mojo-platform-channel-handle=1804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5320
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=83109C76B1BC06DCB8211A77CC4093F6 --mojo-platform-channel-handle=1820 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5392
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=8B033198FA535E0BD0CE8D0D946354B6 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5532

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5492

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3732 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:8
1⤵
PID:3632

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
9335ce67952e8d4a757cf6926e034b8c

SHA1
a4b5ce0586231e804f145c99e9b2bb77b5597baf

SHA256
1344cea5e74ce0482b75590658b4951aa332bcb29592e3dddd80a2eb2ce5c463

SHA512
f8046bf94575571c572cde02bb631cc4a4b0eed735fdb8922a852c0c6466fbf3fe8ad0ba8f5c9352f63a75bed048762d6c6eb3b7ee7294c937e978cd3d2f4025

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit