9c927ccef1a065808d6f7d41ecf6a7f83aa42710580ad9f518ab7d36936d9f5c

Analysis

max time kernel
147s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
18/01/2024, 18:27

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General

Target
65b95576be77af391ce937de866607de.pdf
Size 86KB
Sample240118-w31htsffb8
SHA256 9c927ccef1a065808d6f7d41ecf6a7f83aa42710580ad9f518ab7d36936d9f5c
MD5 65b95576be77af391ce937de866607de
SHA1 0808accd69b08784504ce86fe4d0122a2c36f242
SHA512 7c6c2e8474c393e7182aaba8dba758718bf9a63d5cd175060350653a30c4cde6a41e1469ecb146a0da73862dfd7db4e2eab287b770d41f4a83c12719db462697
SSDEEP 1536:MsQNmuo/TOFMPzP2M2xde9mKKXXjNVJuI9OHSA+4vWWgKpkb/iwWQpOCohF:uKLOFIzuM2xdesnTNCI9OHWeBc/ifCu
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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2996	AcroRd32.exe
2996	AcroRd32.exe
2996	AcroRd32.exe
2996	AcroRd32.exe
2996	AcroRd32.exe
2996	AcroRd32.exe
2996	AcroRd32.exe
2996	AcroRd32.exe
2996	AcroRd32.exe
2996	AcroRd32.exe
2996	AcroRd32.exe
2996	AcroRd32.exe
2996	AcroRd32.exe
2996	AcroRd32.exe
2996	AcroRd32.exe
2996	AcroRd32.exe
2996	AcroRd32.exe
2996	AcroRd32.exe
2996	AcroRd32.exe
2996	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2996	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2996	AcroRd32.exe
2996	AcroRd32.exe
2996	AcroRd32.exe
2996	AcroRd32.exe
2996	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2996 wrote to memory of 3476	2996	AcroRd32.exe	93
PID 2996 wrote to memory of 3476	2996	AcroRd32.exe	93
PID 2996 wrote to memory of 3476	2996	AcroRd32.exe	93
PID 3476 wrote to memory of 4044	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 4044	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 4044	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 4044	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 4044	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 4044	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 4044	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 4044	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 4044	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 4044	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 4044	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 4044	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 4044	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 4044	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 4044	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 4044	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 4044	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 4044	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 4044	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 4044	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 4044	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 4044	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 4044	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 4044	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 4044	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 4044	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 4044	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 4044	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 4044	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 4044	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 4044	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 4044	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 4044	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 4044	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 4044	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 4044	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 4044	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 4044	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 4044	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 4044	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 4044	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 2632	3476	RdrCEF.exe	95
PID 3476 wrote to memory of 2632	3476	RdrCEF.exe	95
PID 3476 wrote to memory of 2632	3476	RdrCEF.exe	95
PID 3476 wrote to memory of 2632	3476	RdrCEF.exe	95
PID 3476 wrote to memory of 2632	3476	RdrCEF.exe	95
PID 3476 wrote to memory of 2632	3476	RdrCEF.exe	95
PID 3476 wrote to memory of 2632	3476	RdrCEF.exe	95
PID 3476 wrote to memory of 2632	3476	RdrCEF.exe	95
PID 3476 wrote to memory of 2632	3476	RdrCEF.exe	95
PID 3476 wrote to memory of 2632	3476	RdrCEF.exe	95
PID 3476 wrote to memory of 2632	3476	RdrCEF.exe	95
PID 3476 wrote to memory of 2632	3476	RdrCEF.exe	95
PID 3476 wrote to memory of 2632	3476	RdrCEF.exe	95
PID 3476 wrote to memory of 2632	3476	RdrCEF.exe	95
PID 3476 wrote to memory of 2632	3476	RdrCEF.exe	95
PID 3476 wrote to memory of 2632	3476	RdrCEF.exe	95
PID 3476 wrote to memory of 2632	3476	RdrCEF.exe	95
PID 3476 wrote to memory of 2632	3476	RdrCEF.exe	95
PID 3476 wrote to memory of 2632	3476	RdrCEF.exe	95
PID 3476 wrote to memory of 2632	3476	RdrCEF.exe	95

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\65b95576be77af391ce937de866607de.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:2996
- 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:3476
- - 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=FBB692CB41E56A3277400F1FD28536A9 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4044
- - 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=01492488E53AF33EC82CB8CB4FA8E81D --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=01492488E53AF33EC82CB8CB4FA8E81D --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2632
- - 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=4EC0325604A91BBE6BAB10DE0B1AAA3A --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3324
- - 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=45CA459F9882C3EEAB06447677CEF546 --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=45CA459F9882C3EEAB06447677CEF546 --renderer-client-id=5 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1044
- - 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=46EFEBDBEBFAFA9E4BF450ECAE23464B --mojo-platform-channel-handle=2656 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3376
- - 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=CBAFDA6637D9587CB7F2EE7CFDC659F1 --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2668

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4948

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 34007da87a3c71c19c0ba6316b52c792f3753655d1b273874792d6491f1a784e
MD5 f5ff01d236f99693b945d89aeca7b78d
SHA1 17b79812ac783fbd09d458b06fabe3900528514f
SHA512 f040ef3881e7b571c828379565d45090aa99fbc3db70d686b131047c63076f762555404fba61c2ee2dd3e1a07f98d25fc536fc5ae68a52d33ef3c752c79ea12b
SSDEEP 384:yeJdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:w+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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