01c065056fbc394cbfdf0850e1e6aefb9085ea1aa7d0c8ba6f05b5989d9d1f50

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 16:53

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General

Target
f8d3438b5d1beae4ddbde66625d42e38.pdf
Size 99KB
Sample231222-vd1lvsdaa3
SHA256 01c065056fbc394cbfdf0850e1e6aefb9085ea1aa7d0c8ba6f05b5989d9d1f50
MD5 f8d3438b5d1beae4ddbde66625d42e38
SHA1 2669040e006026109c4e3fd5c27c9e41e6a75f5d
SHA512 efa50075b90af84fe43c5898035c61d24b72e7af1c39a6dd29aef7c1414102c57557dc6926534c06f32254a974b319d07ab95e49dac6e437b948c1c312d12a52
SSDEEP 3072:rfkoKz13aD2h4vY/casqKk/MoqtA4edBrS5T5X90IZXgQ:rco4aPvSIqy3A1tc0E
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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1348	AcroRd32.exe
1348	AcroRd32.exe
1348	AcroRd32.exe
1348	AcroRd32.exe
1348	AcroRd32.exe
1348	AcroRd32.exe
1348	AcroRd32.exe
1348	AcroRd32.exe
1348	AcroRd32.exe
1348	AcroRd32.exe
1348	AcroRd32.exe
1348	AcroRd32.exe
1348	AcroRd32.exe
1348	AcroRd32.exe
1348	AcroRd32.exe
1348	AcroRd32.exe
1348	AcroRd32.exe
1348	AcroRd32.exe
1348	AcroRd32.exe
1348	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1348	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1348	AcroRd32.exe
1348	AcroRd32.exe
1348	AcroRd32.exe
1348	AcroRd32.exe
1348	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1348 wrote to memory of 5076	1348	AcroRd32.exe	96
PID 1348 wrote to memory of 5076	1348	AcroRd32.exe	96
PID 1348 wrote to memory of 5076	1348	AcroRd32.exe	96
PID 5076 wrote to memory of 3632	5076	RdrCEF.exe	97
PID 5076 wrote to memory of 3632	5076	RdrCEF.exe	97
PID 5076 wrote to memory of 3632	5076	RdrCEF.exe	97
PID 5076 wrote to memory of 3632	5076	RdrCEF.exe	97
PID 5076 wrote to memory of 3632	5076	RdrCEF.exe	97
PID 5076 wrote to memory of 3632	5076	RdrCEF.exe	97
PID 5076 wrote to memory of 3632	5076	RdrCEF.exe	97
PID 5076 wrote to memory of 3632	5076	RdrCEF.exe	97
PID 5076 wrote to memory of 3632	5076	RdrCEF.exe	97
PID 5076 wrote to memory of 3632	5076	RdrCEF.exe	97
PID 5076 wrote to memory of 3632	5076	RdrCEF.exe	97
PID 5076 wrote to memory of 3632	5076	RdrCEF.exe	97
PID 5076 wrote to memory of 3632	5076	RdrCEF.exe	97
PID 5076 wrote to memory of 3632	5076	RdrCEF.exe	97
PID 5076 wrote to memory of 3632	5076	RdrCEF.exe	97
PID 5076 wrote to memory of 3632	5076	RdrCEF.exe	97
PID 5076 wrote to memory of 3632	5076	RdrCEF.exe	97
PID 5076 wrote to memory of 3632	5076	RdrCEF.exe	97
PID 5076 wrote to memory of 3632	5076	RdrCEF.exe	97
PID 5076 wrote to memory of 3632	5076	RdrCEF.exe	97
PID 5076 wrote to memory of 3632	5076	RdrCEF.exe	97
PID 5076 wrote to memory of 3632	5076	RdrCEF.exe	97
PID 5076 wrote to memory of 3632	5076	RdrCEF.exe	97
PID 5076 wrote to memory of 3632	5076	RdrCEF.exe	97
PID 5076 wrote to memory of 3632	5076	RdrCEF.exe	97
PID 5076 wrote to memory of 3632	5076	RdrCEF.exe	97
PID 5076 wrote to memory of 3632	5076	RdrCEF.exe	97
PID 5076 wrote to memory of 3632	5076	RdrCEF.exe	97
PID 5076 wrote to memory of 3632	5076	RdrCEF.exe	97
PID 5076 wrote to memory of 3632	5076	RdrCEF.exe	97
PID 5076 wrote to memory of 3632	5076	RdrCEF.exe	97
PID 5076 wrote to memory of 3632	5076	RdrCEF.exe	97
PID 5076 wrote to memory of 3632	5076	RdrCEF.exe	97
PID 5076 wrote to memory of 3632	5076	RdrCEF.exe	97
PID 5076 wrote to memory of 3632	5076	RdrCEF.exe	97
PID 5076 wrote to memory of 3632	5076	RdrCEF.exe	97
PID 5076 wrote to memory of 3632	5076	RdrCEF.exe	97
PID 5076 wrote to memory of 3632	5076	RdrCEF.exe	97
PID 5076 wrote to memory of 3632	5076	RdrCEF.exe	97
PID 5076 wrote to memory of 3632	5076	RdrCEF.exe	97
PID 5076 wrote to memory of 3632	5076	RdrCEF.exe	97
PID 5076 wrote to memory of 4008	5076	RdrCEF.exe	98
PID 5076 wrote to memory of 4008	5076	RdrCEF.exe	98
PID 5076 wrote to memory of 4008	5076	RdrCEF.exe	98
PID 5076 wrote to memory of 4008	5076	RdrCEF.exe	98
PID 5076 wrote to memory of 4008	5076	RdrCEF.exe	98
PID 5076 wrote to memory of 4008	5076	RdrCEF.exe	98
PID 5076 wrote to memory of 4008	5076	RdrCEF.exe	98
PID 5076 wrote to memory of 4008	5076	RdrCEF.exe	98
PID 5076 wrote to memory of 4008	5076	RdrCEF.exe	98
PID 5076 wrote to memory of 4008	5076	RdrCEF.exe	98
PID 5076 wrote to memory of 4008	5076	RdrCEF.exe	98
PID 5076 wrote to memory of 4008	5076	RdrCEF.exe	98
PID 5076 wrote to memory of 4008	5076	RdrCEF.exe	98
PID 5076 wrote to memory of 4008	5076	RdrCEF.exe	98
PID 5076 wrote to memory of 4008	5076	RdrCEF.exe	98
PID 5076 wrote to memory of 4008	5076	RdrCEF.exe	98
PID 5076 wrote to memory of 4008	5076	RdrCEF.exe	98
PID 5076 wrote to memory of 4008	5076	RdrCEF.exe	98
PID 5076 wrote to memory of 4008	5076	RdrCEF.exe	98
PID 5076 wrote to memory of 4008	5076	RdrCEF.exe	98

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\f8d3438b5d1beae4ddbde66625d42e38.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:1348
- 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:5076
- - 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=04FDC575CF359C841B324CC9D7D590FF --mojo-platform-channel-handle=1740 --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=E3168F7B20F32096192A565A724B9966 --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=E3168F7B20F32096192A565A724B9966 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4008
- - 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=E5FC237C7D88A8542AD94A76FD5F49CC --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=E5FC237C7D88A8542AD94A76FD5F49CC --renderer-client-id=4 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2260
- - 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=AA3DB53B480A70B4E77B7694D0A0258B --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4400
- - 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=4E61021C5210DD0BAE3723A4967C2715 --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4436
- - 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=18552B5D43D6B72E16EBC40DB4A8882A --mojo-platform-channel-handle=1844 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4712

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3256

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 137d6261b323c32e780541a7ee5d982c6279b8a06c0ec6b7b530b3807eb29695
MD5 fd3b44fcca2b3d7cef42e9c7366e58a0
SHA1 36b3fbca1bcc6945cc7d5f4fbb79def2538d7c0b
SHA512 ec306f84359854ce7dc18b9731d084e41a81883ae35ffdf047416111fcfa0f94e387f9a127ceac3ad70df41ea9ea25910d6c6bfd1ac3ec723e50ca97188903d0
SSDEEP 384:ye7dThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:++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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