6b94556a9219560343c92f326587fe0f3c13e951f1be79b0254e89663315ec31

Analysis

max time kernel
92s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
05/07/2024, 23:07

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General

Target
1539d6812d16d380de258f72456506b0.pdf
Size 64KB
Sample240705-24ekms1cmh
SHA256 6b94556a9219560343c92f326587fe0f3c13e951f1be79b0254e89663315ec31
MD5 1539d6812d16d380de258f72456506b0
SHA1 2792fec51e4badb465da639d1a5a9e51bb1156b8
SHA512 368cc4146f61a1ba71119aa30108f386c4f9f34c9b584907e4f1c44dacdbf84c43e51da78e15576fd8cda28688cd62478798584de9b247a0afd54ae178dd4ee9
SSDEEP 768:ycU9IX0/kDX0HXqYswq8o6rUpcEMN5VNYrtxEAAuWSNdMt+9uQVKmOBIy374b8Go:6UUXNNSZ1SoIgRpZ08GeYHyjigfw
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-1-5-21-2547232018-1419253926-3356748848-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3952	AcroRd32.exe
3952	AcroRd32.exe
3952	AcroRd32.exe
3952	AcroRd32.exe
3952	AcroRd32.exe
3952	AcroRd32.exe
3952	AcroRd32.exe
3952	AcroRd32.exe
3952	AcroRd32.exe
3952	AcroRd32.exe
3952	AcroRd32.exe
3952	AcroRd32.exe
3952	AcroRd32.exe
3952	AcroRd32.exe
3952	AcroRd32.exe
3952	AcroRd32.exe
3952	AcroRd32.exe
3952	AcroRd32.exe
3952	AcroRd32.exe
3952	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3952	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3952	AcroRd32.exe
3952	AcroRd32.exe
3952	AcroRd32.exe
3952	AcroRd32.exe
3952	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3952 wrote to memory of 4404	3952	AcroRd32.exe	85
PID 3952 wrote to memory of 4404	3952	AcroRd32.exe	85
PID 3952 wrote to memory of 4404	3952	AcroRd32.exe	85
PID 4404 wrote to memory of 3832	4404	RdrCEF.exe	86
PID 4404 wrote to memory of 3832	4404	RdrCEF.exe	86
PID 4404 wrote to memory of 3832	4404	RdrCEF.exe	86
PID 4404 wrote to memory of 3832	4404	RdrCEF.exe	86
PID 4404 wrote to memory of 3832	4404	RdrCEF.exe	86
PID 4404 wrote to memory of 3832	4404	RdrCEF.exe	86
PID 4404 wrote to memory of 3832	4404	RdrCEF.exe	86
PID 4404 wrote to memory of 3832	4404	RdrCEF.exe	86
PID 4404 wrote to memory of 3832	4404	RdrCEF.exe	86
PID 4404 wrote to memory of 3832	4404	RdrCEF.exe	86
PID 4404 wrote to memory of 3832	4404	RdrCEF.exe	86
PID 4404 wrote to memory of 3832	4404	RdrCEF.exe	86
PID 4404 wrote to memory of 3832	4404	RdrCEF.exe	86
PID 4404 wrote to memory of 3832	4404	RdrCEF.exe	86
PID 4404 wrote to memory of 3832	4404	RdrCEF.exe	86
PID 4404 wrote to memory of 3832	4404	RdrCEF.exe	86
PID 4404 wrote to memory of 3832	4404	RdrCEF.exe	86
PID 4404 wrote to memory of 3832	4404	RdrCEF.exe	86
PID 4404 wrote to memory of 3832	4404	RdrCEF.exe	86
PID 4404 wrote to memory of 3832	4404	RdrCEF.exe	86
PID 4404 wrote to memory of 3832	4404	RdrCEF.exe	86
PID 4404 wrote to memory of 3832	4404	RdrCEF.exe	86
PID 4404 wrote to memory of 3832	4404	RdrCEF.exe	86
PID 4404 wrote to memory of 3832	4404	RdrCEF.exe	86
PID 4404 wrote to memory of 3832	4404	RdrCEF.exe	86
PID 4404 wrote to memory of 3832	4404	RdrCEF.exe	86
PID 4404 wrote to memory of 3832	4404	RdrCEF.exe	86
PID 4404 wrote to memory of 3832	4404	RdrCEF.exe	86
PID 4404 wrote to memory of 3832	4404	RdrCEF.exe	86
PID 4404 wrote to memory of 3832	4404	RdrCEF.exe	86
PID 4404 wrote to memory of 3832	4404	RdrCEF.exe	86
PID 4404 wrote to memory of 3832	4404	RdrCEF.exe	86
PID 4404 wrote to memory of 3832	4404	RdrCEF.exe	86
PID 4404 wrote to memory of 3832	4404	RdrCEF.exe	86
PID 4404 wrote to memory of 3832	4404	RdrCEF.exe	86
PID 4404 wrote to memory of 3832	4404	RdrCEF.exe	86
PID 4404 wrote to memory of 3832	4404	RdrCEF.exe	86
PID 4404 wrote to memory of 3832	4404	RdrCEF.exe	86
PID 4404 wrote to memory of 3832	4404	RdrCEF.exe	86
PID 4404 wrote to memory of 3832	4404	RdrCEF.exe	86
PID 4404 wrote to memory of 3832	4404	RdrCEF.exe	86
PID 4404 wrote to memory of 1652	4404	RdrCEF.exe	87
PID 4404 wrote to memory of 1652	4404	RdrCEF.exe	87
PID 4404 wrote to memory of 1652	4404	RdrCEF.exe	87
PID 4404 wrote to memory of 1652	4404	RdrCEF.exe	87
PID 4404 wrote to memory of 1652	4404	RdrCEF.exe	87
PID 4404 wrote to memory of 1652	4404	RdrCEF.exe	87
PID 4404 wrote to memory of 1652	4404	RdrCEF.exe	87
PID 4404 wrote to memory of 1652	4404	RdrCEF.exe	87
PID 4404 wrote to memory of 1652	4404	RdrCEF.exe	87
PID 4404 wrote to memory of 1652	4404	RdrCEF.exe	87
PID 4404 wrote to memory of 1652	4404	RdrCEF.exe	87
PID 4404 wrote to memory of 1652	4404	RdrCEF.exe	87
PID 4404 wrote to memory of 1652	4404	RdrCEF.exe	87
PID 4404 wrote to memory of 1652	4404	RdrCEF.exe	87
PID 4404 wrote to memory of 1652	4404	RdrCEF.exe	87
PID 4404 wrote to memory of 1652	4404	RdrCEF.exe	87
PID 4404 wrote to memory of 1652	4404	RdrCEF.exe	87
PID 4404 wrote to memory of 1652	4404	RdrCEF.exe	87
PID 4404 wrote to memory of 1652	4404	RdrCEF.exe	87
PID 4404 wrote to memory of 1652	4404	RdrCEF.exe	87

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\1539d6812d16d380de258f72456506b0.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:3952
- 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: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" --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=E97E9ECF025D5813F55726E9484C2A32 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3832
- - 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=7588B022088AD2FB8DF2669B159AE893 --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=7588B022088AD2FB8DF2669B159AE893 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1652
- - 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=3F813DE1858928C23D4E3E285ED9644D --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1328
- - 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=DAA9A1D3C24CBE8DCD9878570E5AC65C --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=DAA9A1D3C24CBE8DCD9878570E5AC65C --renderer-client-id=5 --mojo-platform-channel-handle=1804 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:8
- - 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=F30C8766AE917AF148910C8A2C0650EF --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2492
- - 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=FF8B0507CF4CE7573BE5309CFD6D83CC --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4420

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1648

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 ec13de2d4567d5651200daef194ae16e52e6676702ae3f3a158d6486069ea9a3
MD5 c1b3afd857d97e7f34eb5536af95cba9
SHA1 6559ca95a9e1e16a906ef9b02f06ca84a33a6df9
SHA512 3e031f597f84cedae450e69d7a875d7108c70d88169a71c875e7fe57d8de7644d597d86d2b45b773ded0801e323a644f1700f6194b1c7ee9a00a6d361e394c2c
SSDEEP 384:ye3dThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:K+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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