ddfd9cecef719b873c7841a85f1cdbfdafbdb87f58f557a181a66688c3171810

Analysis

max time kernel
144s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2023, 05:09

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General

Target
56dd43c77296601f3c4b9961483047e2.pdf
Size 4KB
Sample231226-ftk4saacfr
SHA256 ddfd9cecef719b873c7841a85f1cdbfdafbdb87f58f557a181a66688c3171810
MD5 56dd43c77296601f3c4b9961483047e2
SHA1 fd1b95147bf6f1a675440fede391d3b85294ca22
SHA512 e7addf37be0b7f7dfb8ccde32cd9b70cd84d33cfe7a7ded4535532a5ad3f01c2ab95eea55546dfab1490210ee560a8f9bee046dd60232f26e105f1044151a861
SSDEEP 96:6PQxDg2gh84JsRAc2gBeUNxUIJ+BV0DQTcoUkOOKljJSW:6IxDgzFJsRAc2gFTJ8ugco12dSW
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4536	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe
4536	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4536 wrote to memory of 2764	4536	AcroRd32.exe	91
PID 4536 wrote to memory of 2764	4536	AcroRd32.exe	91
PID 4536 wrote to memory of 2764	4536	AcroRd32.exe	91
PID 2764 wrote to memory of 5036	2764	RdrCEF.exe	92
PID 2764 wrote to memory of 5036	2764	RdrCEF.exe	92
PID 2764 wrote to memory of 5036	2764	RdrCEF.exe	92
PID 2764 wrote to memory of 5036	2764	RdrCEF.exe	92
PID 2764 wrote to memory of 5036	2764	RdrCEF.exe	92
PID 2764 wrote to memory of 5036	2764	RdrCEF.exe	92
PID 2764 wrote to memory of 5036	2764	RdrCEF.exe	92
PID 2764 wrote to memory of 5036	2764	RdrCEF.exe	92
PID 2764 wrote to memory of 5036	2764	RdrCEF.exe	92
PID 2764 wrote to memory of 5036	2764	RdrCEF.exe	92
PID 2764 wrote to memory of 5036	2764	RdrCEF.exe	92
PID 2764 wrote to memory of 5036	2764	RdrCEF.exe	92
PID 2764 wrote to memory of 5036	2764	RdrCEF.exe	92
PID 2764 wrote to memory of 5036	2764	RdrCEF.exe	92
PID 2764 wrote to memory of 5036	2764	RdrCEF.exe	92
PID 2764 wrote to memory of 5036	2764	RdrCEF.exe	92
PID 2764 wrote to memory of 5036	2764	RdrCEF.exe	92
PID 2764 wrote to memory of 5036	2764	RdrCEF.exe	92
PID 2764 wrote to memory of 5036	2764	RdrCEF.exe	92
PID 2764 wrote to memory of 5036	2764	RdrCEF.exe	92
PID 2764 wrote to memory of 5036	2764	RdrCEF.exe	92
PID 2764 wrote to memory of 5036	2764	RdrCEF.exe	92
PID 2764 wrote to memory of 5036	2764	RdrCEF.exe	92
PID 2764 wrote to memory of 5036	2764	RdrCEF.exe	92
PID 2764 wrote to memory of 5036	2764	RdrCEF.exe	92
PID 2764 wrote to memory of 5036	2764	RdrCEF.exe	92
PID 2764 wrote to memory of 5036	2764	RdrCEF.exe	92
PID 2764 wrote to memory of 5036	2764	RdrCEF.exe	92
PID 2764 wrote to memory of 5036	2764	RdrCEF.exe	92
PID 2764 wrote to memory of 5036	2764	RdrCEF.exe	92
PID 2764 wrote to memory of 5036	2764	RdrCEF.exe	92
PID 2764 wrote to memory of 5036	2764	RdrCEF.exe	92
PID 2764 wrote to memory of 5036	2764	RdrCEF.exe	92
PID 2764 wrote to memory of 5036	2764	RdrCEF.exe	92
PID 2764 wrote to memory of 5036	2764	RdrCEF.exe	92
PID 2764 wrote to memory of 5036	2764	RdrCEF.exe	92
PID 2764 wrote to memory of 5036	2764	RdrCEF.exe	92
PID 2764 wrote to memory of 5036	2764	RdrCEF.exe	92
PID 2764 wrote to memory of 5036	2764	RdrCEF.exe	92
PID 2764 wrote to memory of 5036	2764	RdrCEF.exe	92
PID 2764 wrote to memory of 5036	2764	RdrCEF.exe	92
PID 2764 wrote to memory of 1036	2764	RdrCEF.exe	93
PID 2764 wrote to memory of 1036	2764	RdrCEF.exe	93
PID 2764 wrote to memory of 1036	2764	RdrCEF.exe	93
PID 2764 wrote to memory of 1036	2764	RdrCEF.exe	93
PID 2764 wrote to memory of 1036	2764	RdrCEF.exe	93
PID 2764 wrote to memory of 1036	2764	RdrCEF.exe	93
PID 2764 wrote to memory of 1036	2764	RdrCEF.exe	93
PID 2764 wrote to memory of 1036	2764	RdrCEF.exe	93
PID 2764 wrote to memory of 1036	2764	RdrCEF.exe	93
PID 2764 wrote to memory of 1036	2764	RdrCEF.exe	93
PID 2764 wrote to memory of 1036	2764	RdrCEF.exe	93
PID 2764 wrote to memory of 1036	2764	RdrCEF.exe	93
PID 2764 wrote to memory of 1036	2764	RdrCEF.exe	93
PID 2764 wrote to memory of 1036	2764	RdrCEF.exe	93
PID 2764 wrote to memory of 1036	2764	RdrCEF.exe	93
PID 2764 wrote to memory of 1036	2764	RdrCEF.exe	93
PID 2764 wrote to memory of 1036	2764	RdrCEF.exe	93
PID 2764 wrote to memory of 1036	2764	RdrCEF.exe	93
PID 2764 wrote to memory of 1036	2764	RdrCEF.exe	93
PID 2764 wrote to memory of 1036	2764	RdrCEF.exe	93

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\56dd43c77296601f3c4b9961483047e2.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:4536
- 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:2764
- - 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=8D41288D45FC6377FD3B30E4C5900BFE --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5036
- - 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=F53BE39A5CCCDFA993773BED0A701D54 --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=F53BE39A5CCCDFA993773BED0A701D54 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1036
- - 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=4FDCBBAF50B866B6804FC9835C83DDB0 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1544
- - 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=79BF4719CB9A2ABF9DF4B4B772978697 --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=79BF4719CB9A2ABF9DF4B4B772978697 --renderer-client-id=5 --mojo-platform-channel-handle=1960 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1932
- - 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=6B11A6BAB87C569C8C25EB71C8770D49 --mojo-platform-channel-handle=1948 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4504
- - 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=EB86977D7DB052F0283ED1F391501A39 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2596

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5056

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

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Downloads

ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 64KB
SHA256 cb28ac966e4d0ad0f5abd860e1f8ae7a17b9807c8685dd74b19be859f227fb98
MD5 8fdbd41f792c700b04ec8b0313fbc081
SHA1 40971487120fab136908b63865809d065114f585
SHA512 3af55c31b10997474d6f884c11b5e325a0b5982d4c5ffe18152848e2255b18968b8e2a41e7e8d471cfc9524106961700480be0c66f8d0321842315b02e5a6775
SSDEEP 384:ye9dThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:U+elZsLQCZsL3hUS4
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 36KB
SHA256 b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
MD5 b30d3becc8731792523d599d949e63f5
SHA1 19350257e42d7aee17fb3bf139a9d3adb330fad4
SHA512 523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
SSDEEP 24:TLiXlzkrFsgIFsxX3pALXmnHpkDGjmcxBSkomXk+2m9RFTsyg+wmf9Mzm+Zs3tGl:TqlmFTIF3XmHjBoGGR+jMz+LhT
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 56KB
SHA256 111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
MD5 752a1f26b18748311b691c7d8fc20633
SHA1 c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA512 a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
SSDEEP 192:wedRBvVrThe4p4/KhTB4p4CitZtkZsLRGVDbw6H3ph+v3YQa9:weZdThkKhBvkZsLRGlzh+vS9
MD5 SHA1 SHA512 SSDEEP

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