e89e39a201361662fdc978df7def470679785b01fe509459d0d3f58adad6f0f1

Analysis

max time kernel
146s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
27/12/2023, 22:22

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General

Target
b7f36f4256e5e1115ab86bfde9d806fa.pdf
Size 7KB
Sample231227-2ae93sehgm
SHA256 e89e39a201361662fdc978df7def470679785b01fe509459d0d3f58adad6f0f1
MD5 b7f36f4256e5e1115ab86bfde9d806fa
SHA1 9e3423bab3edee93fce0a287c00ca4262fc8f263
SHA512 1fa125193722fa4b39d50c9d874cf8a7dc4bc2932f755e5efc0834b80c36d52a3b89a9a106c5d1aed057ec07bca9f139bc9adb51bcb525918b9de841c631fafa
SSDEEP 192:6ASomi5sxRBHdFfe6lcw8GbQlLgTU68uQFjW4cHE1A04T:6tomHRB9FW3UbQlLgTD8uQFj5cku3
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
3860	AcroRd32.exe
3860	AcroRd32.exe
3860	AcroRd32.exe
3860	AcroRd32.exe
3860	AcroRd32.exe
3860	AcroRd32.exe
3860	AcroRd32.exe
3860	AcroRd32.exe
3860	AcroRd32.exe
3860	AcroRd32.exe
3860	AcroRd32.exe
3860	AcroRd32.exe
3860	AcroRd32.exe
3860	AcroRd32.exe
3860	AcroRd32.exe
3860	AcroRd32.exe
3860	AcroRd32.exe
3860	AcroRd32.exe
3860	AcroRd32.exe
3860	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3860	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3860	AcroRd32.exe
3860	AcroRd32.exe
3860	AcroRd32.exe
3860	AcroRd32.exe
3860	AcroRd32.exe
3860	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3860 wrote to memory of 3632	3860	AcroRd32.exe	92
PID 3860 wrote to memory of 3632	3860	AcroRd32.exe	92
PID 3860 wrote to memory of 3632	3860	AcroRd32.exe	92
PID 3632 wrote to memory of 4412	3632	RdrCEF.exe	93
PID 3632 wrote to memory of 4412	3632	RdrCEF.exe	93
PID 3632 wrote to memory of 4412	3632	RdrCEF.exe	93
PID 3632 wrote to memory of 4412	3632	RdrCEF.exe	93
PID 3632 wrote to memory of 4412	3632	RdrCEF.exe	93
PID 3632 wrote to memory of 4412	3632	RdrCEF.exe	93
PID 3632 wrote to memory of 4412	3632	RdrCEF.exe	93
PID 3632 wrote to memory of 4412	3632	RdrCEF.exe	93
PID 3632 wrote to memory of 4412	3632	RdrCEF.exe	93
PID 3632 wrote to memory of 4412	3632	RdrCEF.exe	93
PID 3632 wrote to memory of 4412	3632	RdrCEF.exe	93
PID 3632 wrote to memory of 4412	3632	RdrCEF.exe	93
PID 3632 wrote to memory of 4412	3632	RdrCEF.exe	93
PID 3632 wrote to memory of 4412	3632	RdrCEF.exe	93
PID 3632 wrote to memory of 4412	3632	RdrCEF.exe	93
PID 3632 wrote to memory of 4412	3632	RdrCEF.exe	93
PID 3632 wrote to memory of 4412	3632	RdrCEF.exe	93
PID 3632 wrote to memory of 4412	3632	RdrCEF.exe	93
PID 3632 wrote to memory of 4412	3632	RdrCEF.exe	93
PID 3632 wrote to memory of 4412	3632	RdrCEF.exe	93
PID 3632 wrote to memory of 4412	3632	RdrCEF.exe	93
PID 3632 wrote to memory of 4412	3632	RdrCEF.exe	93
PID 3632 wrote to memory of 4412	3632	RdrCEF.exe	93
PID 3632 wrote to memory of 4412	3632	RdrCEF.exe	93
PID 3632 wrote to memory of 4412	3632	RdrCEF.exe	93
PID 3632 wrote to memory of 4412	3632	RdrCEF.exe	93
PID 3632 wrote to memory of 4412	3632	RdrCEF.exe	93
PID 3632 wrote to memory of 4412	3632	RdrCEF.exe	93
PID 3632 wrote to memory of 4412	3632	RdrCEF.exe	93
PID 3632 wrote to memory of 4412	3632	RdrCEF.exe	93
PID 3632 wrote to memory of 4412	3632	RdrCEF.exe	93
PID 3632 wrote to memory of 4412	3632	RdrCEF.exe	93
PID 3632 wrote to memory of 4412	3632	RdrCEF.exe	93
PID 3632 wrote to memory of 4412	3632	RdrCEF.exe	93
PID 3632 wrote to memory of 4412	3632	RdrCEF.exe	93
PID 3632 wrote to memory of 4412	3632	RdrCEF.exe	93
PID 3632 wrote to memory of 4412	3632	RdrCEF.exe	93
PID 3632 wrote to memory of 4412	3632	RdrCEF.exe	93
PID 3632 wrote to memory of 4412	3632	RdrCEF.exe	93
PID 3632 wrote to memory of 4412	3632	RdrCEF.exe	93
PID 3632 wrote to memory of 4412	3632	RdrCEF.exe	93
PID 3632 wrote to memory of 5064	3632	RdrCEF.exe	94
PID 3632 wrote to memory of 5064	3632	RdrCEF.exe	94
PID 3632 wrote to memory of 5064	3632	RdrCEF.exe	94
PID 3632 wrote to memory of 5064	3632	RdrCEF.exe	94
PID 3632 wrote to memory of 5064	3632	RdrCEF.exe	94
PID 3632 wrote to memory of 5064	3632	RdrCEF.exe	94
PID 3632 wrote to memory of 5064	3632	RdrCEF.exe	94
PID 3632 wrote to memory of 5064	3632	RdrCEF.exe	94
PID 3632 wrote to memory of 5064	3632	RdrCEF.exe	94
PID 3632 wrote to memory of 5064	3632	RdrCEF.exe	94
PID 3632 wrote to memory of 5064	3632	RdrCEF.exe	94
PID 3632 wrote to memory of 5064	3632	RdrCEF.exe	94
PID 3632 wrote to memory of 5064	3632	RdrCEF.exe	94
PID 3632 wrote to memory of 5064	3632	RdrCEF.exe	94
PID 3632 wrote to memory of 5064	3632	RdrCEF.exe	94
PID 3632 wrote to memory of 5064	3632	RdrCEF.exe	94
PID 3632 wrote to memory of 5064	3632	RdrCEF.exe	94
PID 3632 wrote to memory of 5064	3632	RdrCEF.exe	94
PID 3632 wrote to memory of 5064	3632	RdrCEF.exe	94
PID 3632 wrote to memory of 5064	3632	RdrCEF.exe	94

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\b7f36f4256e5e1115ab86bfde9d806fa.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:3860
- 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: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=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=6E353DD57167B6F2342B85DB48FA0F34 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4412
- - 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=E06E14F5EF038371A7CC1CB7C8298113 --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=E06E14F5EF038371A7CC1CB7C8298113 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5064
- - 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=2F1A683D67331DD91E91B5B479ABE382 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1844
- - 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=E6C8F6E2E7509911A3B80BB29AD43911 --mojo-platform-channel-handle=1824 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3816
- - 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=220E6083C8DC53B32B4FFCDC825F29E6 --mojo-platform-channel-handle=2412 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1380
- - 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=C7B131CC1F2F9B75E256446A707A9AE3 --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=C7B131CC1F2F9B75E256446A707A9AE3 --renderer-client-id=8 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4452

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4736

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 40KB
SHA256 843c72f2c5b8f5a7e239f944cd8056f09cb41517f543813c9f5adff4d23b0db9
MD5 8b1fd45c483de7d85b118c76f23e2449
SHA1 8691f1f2469de95168942b3b9a552af4eee81950
SHA512 195388cfd5a6969764fde9eee8316d64ce1906618444f5353c108ad65a3fe404b84fa7e280925a7083fd35b717543f711703c1c22686ebf5340f89b772760edb
SSDEEP 192:yedRBAg9VrThe4p45htELJ8SWvD2YGI4p48Ce1iZsE:yeNdThatELJ8SWvDTGJCesZsE
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 56KB
SHA256 6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef
MD5 c26ed30e7d5ab440480838636efc41db
SHA1 c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591
SHA512 96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df
SSDEEP 192:xedRBsKhTB4p4CitZtkZsLRGVDbw6H3ph+v3YQa9:xe+KhBvkZsLRGlzh+vS9
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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