caeb291afaf7edce2777881c1b754a26beba5a3b4b1093d78b5a135f5cde8d46

Analysis

max time kernel
149s
max time network
150s
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, 22:52

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General

Target
12ca1dc2aee2084522d98990c2ba1e20.pdf
Size 87KB
Sample240705-2tmhhayamn
SHA256 caeb291afaf7edce2777881c1b754a26beba5a3b4b1093d78b5a135f5cde8d46
MD5 12ca1dc2aee2084522d98990c2ba1e20
SHA1 c56a583bdfb027bc5b86a9b700e711a4dd81d082
SHA512 6ce865fc21c28a733a3a42d62e422ae2f2b6f014adc198f8bf3e082c9dcc8d5c2b8526fdd47e66cb84c95e82a2152ad1842096d0a800edab7f402c123b91acf0
SSDEEP 1536:NrNI1MuHvm4KpUD7Z3Vrbx92HlYtMhbUZIUWCtd:NBaMTpUplltMhYZIdCX
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-1-5-21-2480455240-981575606-1030659066-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3500	AcroRd32.exe
3500	AcroRd32.exe
3500	AcroRd32.exe
3500	AcroRd32.exe
3500	AcroRd32.exe
3500	AcroRd32.exe
3500	AcroRd32.exe
3500	AcroRd32.exe
3500	AcroRd32.exe
3500	AcroRd32.exe
3500	AcroRd32.exe
3500	AcroRd32.exe
3500	AcroRd32.exe
3500	AcroRd32.exe
3500	AcroRd32.exe
3500	AcroRd32.exe
3500	AcroRd32.exe
3500	AcroRd32.exe
3500	AcroRd32.exe
3500	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3500	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3500	AcroRd32.exe
3500	AcroRd32.exe
3500	AcroRd32.exe
3500	AcroRd32.exe
3500	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3500 wrote to memory of 4168	3500	AcroRd32.exe	85
PID 3500 wrote to memory of 4168	3500	AcroRd32.exe	85
PID 3500 wrote to memory of 4168	3500	AcroRd32.exe	85
PID 4168 wrote to memory of 3284	4168	RdrCEF.exe	86
PID 4168 wrote to memory of 3284	4168	RdrCEF.exe	86
PID 4168 wrote to memory of 3284	4168	RdrCEF.exe	86
PID 4168 wrote to memory of 3284	4168	RdrCEF.exe	86
PID 4168 wrote to memory of 3284	4168	RdrCEF.exe	86
PID 4168 wrote to memory of 3284	4168	RdrCEF.exe	86
PID 4168 wrote to memory of 3284	4168	RdrCEF.exe	86
PID 4168 wrote to memory of 3284	4168	RdrCEF.exe	86
PID 4168 wrote to memory of 3284	4168	RdrCEF.exe	86
PID 4168 wrote to memory of 3284	4168	RdrCEF.exe	86
PID 4168 wrote to memory of 3284	4168	RdrCEF.exe	86
PID 4168 wrote to memory of 3284	4168	RdrCEF.exe	86
PID 4168 wrote to memory of 3284	4168	RdrCEF.exe	86
PID 4168 wrote to memory of 3284	4168	RdrCEF.exe	86
PID 4168 wrote to memory of 3284	4168	RdrCEF.exe	86
PID 4168 wrote to memory of 3284	4168	RdrCEF.exe	86
PID 4168 wrote to memory of 3284	4168	RdrCEF.exe	86
PID 4168 wrote to memory of 3284	4168	RdrCEF.exe	86
PID 4168 wrote to memory of 3284	4168	RdrCEF.exe	86
PID 4168 wrote to memory of 3284	4168	RdrCEF.exe	86
PID 4168 wrote to memory of 3284	4168	RdrCEF.exe	86
PID 4168 wrote to memory of 3284	4168	RdrCEF.exe	86
PID 4168 wrote to memory of 3284	4168	RdrCEF.exe	86
PID 4168 wrote to memory of 3284	4168	RdrCEF.exe	86
PID 4168 wrote to memory of 3284	4168	RdrCEF.exe	86
PID 4168 wrote to memory of 3284	4168	RdrCEF.exe	86
PID 4168 wrote to memory of 3284	4168	RdrCEF.exe	86
PID 4168 wrote to memory of 3284	4168	RdrCEF.exe	86
PID 4168 wrote to memory of 3284	4168	RdrCEF.exe	86
PID 4168 wrote to memory of 3284	4168	RdrCEF.exe	86
PID 4168 wrote to memory of 3284	4168	RdrCEF.exe	86
PID 4168 wrote to memory of 3284	4168	RdrCEF.exe	86
PID 4168 wrote to memory of 3284	4168	RdrCEF.exe	86
PID 4168 wrote to memory of 3284	4168	RdrCEF.exe	86
PID 4168 wrote to memory of 3284	4168	RdrCEF.exe	86
PID 4168 wrote to memory of 3284	4168	RdrCEF.exe	86
PID 4168 wrote to memory of 3284	4168	RdrCEF.exe	86
PID 4168 wrote to memory of 3284	4168	RdrCEF.exe	86
PID 4168 wrote to memory of 3284	4168	RdrCEF.exe	86
PID 4168 wrote to memory of 3284	4168	RdrCEF.exe	86
PID 4168 wrote to memory of 3284	4168	RdrCEF.exe	86
PID 4168 wrote to memory of 3268	4168	RdrCEF.exe	87
PID 4168 wrote to memory of 3268	4168	RdrCEF.exe	87
PID 4168 wrote to memory of 3268	4168	RdrCEF.exe	87
PID 4168 wrote to memory of 3268	4168	RdrCEF.exe	87
PID 4168 wrote to memory of 3268	4168	RdrCEF.exe	87
PID 4168 wrote to memory of 3268	4168	RdrCEF.exe	87
PID 4168 wrote to memory of 3268	4168	RdrCEF.exe	87
PID 4168 wrote to memory of 3268	4168	RdrCEF.exe	87
PID 4168 wrote to memory of 3268	4168	RdrCEF.exe	87
PID 4168 wrote to memory of 3268	4168	RdrCEF.exe	87
PID 4168 wrote to memory of 3268	4168	RdrCEF.exe	87
PID 4168 wrote to memory of 3268	4168	RdrCEF.exe	87
PID 4168 wrote to memory of 3268	4168	RdrCEF.exe	87
PID 4168 wrote to memory of 3268	4168	RdrCEF.exe	87
PID 4168 wrote to memory of 3268	4168	RdrCEF.exe	87
PID 4168 wrote to memory of 3268	4168	RdrCEF.exe	87
PID 4168 wrote to memory of 3268	4168	RdrCEF.exe	87
PID 4168 wrote to memory of 3268	4168	RdrCEF.exe	87
PID 4168 wrote to memory of 3268	4168	RdrCEF.exe	87
PID 4168 wrote to memory of 3268	4168	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\12ca1dc2aee2084522d98990c2ba1e20.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:3500
- 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:4168
- - 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=C8FA1D6F0E3B25521B06BF8240A91FBB --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3284
- - 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=E77CB3FF49DEF9D0087ADB4E8C95F8FD --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=E77CB3FF49DEF9D0087ADB4E8C95F8FD --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3268
- - 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=5526306C01B177F0C1644F474B19361D --mojo-platform-channel-handle=2272 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2400
- - 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=726AD5B7E87852C83C2D4A8001FADC63 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4836
- - 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=5A564D73BA9AADDB863F85D10874ECB9 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1304
- - 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=2E58ABED6068240AFEA8FCA008884856 --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=2E58ABED6068240AFEA8FCA008884856 --renderer-client-id=7 --mojo-platform-channel-handle=1888 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1452

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3320

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 023cdb68dc2677e70048e6a676b4dabc43712847258a677310ca2df96b5d85b6
MD5 e1213c70d042f40156f29e7ff38c8413
SHA1 f0de531b5dce427c8bc4854f83316bb42777bbd3
SHA512 648234b0f9e1aa481a4a499f2223ecd7327c396f37bf06ecc8a5ac5e573c5aa5850faabc688a15c7a038a13317e7a11c9d9c1dc098be0ee7cec17174cc38f82b
SSDEEP 384:yeudThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:1+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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