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Analysis
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max time kernel
150s -
max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
31/12/2023, 13:28
Behavioral task
behavioral1
Sample
3805750adccf8cf622703f4a6296b7b3.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
3805750adccf8cf622703f4a6296b7b3.pdf
Resource
win10v2004-20231215-en
General
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Target
3805750adccf8cf622703f4a6296b7b3.pdf
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Size
45KB
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MD5
3805750adccf8cf622703f4a6296b7b3
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SHA1
a9931a8a3d950e99cba0a35b8524ed577f51c30a
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SHA256
454599a3539017efa4470a9ef77d4efe26154586a6ae3118b2e7dc684b2b0a34
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SHA512
a4fe24fb51535ef2c2ea6740aafa59b261f274d4279846a45fe26d61befc3add4daa9943ba96bf8b5754e4c1642ccdf843233e0ad87448baf756f7976e2427f1
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SSDEEP
768:yHvbj9zh5TctJNnOSqE79fkA/TF/GsOVnT12FyawuL52fsFBX:yHv1F5TkuSqSDTF/G7VnwFhwuLwwBX
Malware Config
Signatures
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
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 -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 1528 AcroRd32.exe 1528 AcroRd32.exe 1528 AcroRd32.exe 1528 AcroRd32.exe 1528 AcroRd32.exe 1528 AcroRd32.exe 1528 AcroRd32.exe 1528 AcroRd32.exe 1528 AcroRd32.exe 1528 AcroRd32.exe 1528 AcroRd32.exe 1528 AcroRd32.exe 1528 AcroRd32.exe 1528 AcroRd32.exe 1528 AcroRd32.exe 1528 AcroRd32.exe 1528 AcroRd32.exe 1528 AcroRd32.exe 1528 AcroRd32.exe 1528 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1528 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 1528 AcroRd32.exe 1528 AcroRd32.exe 1528 AcroRd32.exe 1528 AcroRd32.exe 1528 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1528 wrote to memory of 1740 1528 AcroRd32.exe 97 PID 1528 wrote to memory of 1740 1528 AcroRd32.exe 97 PID 1528 wrote to memory of 1740 1528 AcroRd32.exe 97 PID 1740 wrote to memory of 3436 1740 RdrCEF.exe 98 PID 1740 wrote to memory of 3436 1740 RdrCEF.exe 98 PID 1740 wrote to memory of 3436 1740 RdrCEF.exe 98 PID 1740 wrote to memory of 3436 1740 RdrCEF.exe 98 PID 1740 wrote to memory of 3436 1740 RdrCEF.exe 98 PID 1740 wrote to memory of 3436 1740 RdrCEF.exe 98 PID 1740 wrote to memory of 3436 1740 RdrCEF.exe 98 PID 1740 wrote to memory of 3436 1740 RdrCEF.exe 98 PID 1740 wrote to memory of 3436 1740 RdrCEF.exe 98 PID 1740 wrote to memory of 3436 1740 RdrCEF.exe 98 PID 1740 wrote to memory of 3436 1740 RdrCEF.exe 98 PID 1740 wrote to memory of 3436 1740 RdrCEF.exe 98 PID 1740 wrote to memory of 3436 1740 RdrCEF.exe 98 PID 1740 wrote to memory of 3436 1740 RdrCEF.exe 98 PID 1740 wrote to memory of 3436 1740 RdrCEF.exe 98 PID 1740 wrote to memory of 3436 1740 RdrCEF.exe 98 PID 1740 wrote to memory of 3436 1740 RdrCEF.exe 98 PID 1740 wrote to memory of 3436 1740 RdrCEF.exe 98 PID 1740 wrote to memory of 3436 1740 RdrCEF.exe 98 PID 1740 wrote to memory of 3436 1740 RdrCEF.exe 98 PID 1740 wrote to memory of 3436 1740 RdrCEF.exe 98 PID 1740 wrote to memory of 3436 1740 RdrCEF.exe 98 PID 1740 wrote to memory of 3436 1740 RdrCEF.exe 98 PID 1740 wrote to memory of 3436 1740 RdrCEF.exe 98 PID 1740 wrote to memory of 3436 1740 RdrCEF.exe 98 PID 1740 wrote to memory of 3436 1740 RdrCEF.exe 98 PID 1740 wrote to memory of 3436 1740 RdrCEF.exe 98 PID 1740 wrote to memory of 3436 1740 RdrCEF.exe 98 PID 1740 wrote to memory of 3436 1740 RdrCEF.exe 98 PID 1740 wrote to memory of 3436 1740 RdrCEF.exe 98 PID 1740 wrote to memory of 3436 1740 RdrCEF.exe 98 PID 1740 wrote to memory of 3436 1740 RdrCEF.exe 98 PID 1740 wrote to memory of 3436 1740 RdrCEF.exe 98 PID 1740 wrote to memory of 3436 1740 RdrCEF.exe 98 PID 1740 wrote to memory of 3436 1740 RdrCEF.exe 98 PID 1740 wrote to memory of 3436 1740 RdrCEF.exe 98 PID 1740 wrote to memory of 3436 1740 RdrCEF.exe 98 PID 1740 wrote to memory of 3436 1740 RdrCEF.exe 98 PID 1740 wrote to memory of 3436 1740 RdrCEF.exe 98 PID 1740 wrote to memory of 3436 1740 RdrCEF.exe 98 PID 1740 wrote to memory of 3436 1740 RdrCEF.exe 98 PID 1740 wrote to memory of 2892 1740 RdrCEF.exe 99 PID 1740 wrote to memory of 2892 1740 RdrCEF.exe 99 PID 1740 wrote to memory of 2892 1740 RdrCEF.exe 99 PID 1740 wrote to memory of 2892 1740 RdrCEF.exe 99 PID 1740 wrote to memory of 2892 1740 RdrCEF.exe 99 PID 1740 wrote to memory of 2892 1740 RdrCEF.exe 99 PID 1740 wrote to memory of 2892 1740 RdrCEF.exe 99 PID 1740 wrote to memory of 2892 1740 RdrCEF.exe 99 PID 1740 wrote to memory of 2892 1740 RdrCEF.exe 99 PID 1740 wrote to memory of 2892 1740 RdrCEF.exe 99 PID 1740 wrote to memory of 2892 1740 RdrCEF.exe 99 PID 1740 wrote to memory of 2892 1740 RdrCEF.exe 99 PID 1740 wrote to memory of 2892 1740 RdrCEF.exe 99 PID 1740 wrote to memory of 2892 1740 RdrCEF.exe 99 PID 1740 wrote to memory of 2892 1740 RdrCEF.exe 99 PID 1740 wrote to memory of 2892 1740 RdrCEF.exe 99 PID 1740 wrote to memory of 2892 1740 RdrCEF.exe 99 PID 1740 wrote to memory of 2892 1740 RdrCEF.exe 99 PID 1740 wrote to memory of 2892 1740 RdrCEF.exe 99 PID 1740 wrote to memory of 2892 1740 RdrCEF.exe 99
Processes
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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\3805750adccf8cf622703f4a6296b7b3.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:1528 -
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=165140432⤵
- Suspicious use of WriteProcessMemory
PID:1740 -
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=52ECD790CDFAB0C65BBF3E353481361E --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3436
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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=1B888A0C3E6B05E59188BF17E0E219D4 --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=1B888A0C3E6B05E59188BF17E0E219D4 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:13⤵PID:2892
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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=3BD19BC2DE4613B51C565F64E7C640AC --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:5020
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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=F7571339DC88CC361A5C611FF0AA54C2 --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=F7571339DC88CC361A5C611FF0AA54C2 --renderer-client-id=5 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job /prefetch:13⤵PID:2876
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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=80E30193BD313B64483F46F781BFCEFE --mojo-platform-channel-handle=2532 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1904
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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=96CB1B6626C28FA504FCC47FE7B71EF6 --mojo-platform-channel-handle=1692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4320
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4028
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD59448930e2d76eebc9b70a359b3b08f71
SHA1a5cbe06fedeef1fc34677ae3fc1e1fa9090d42ac
SHA2563ade0ef6aa6966c3e5a273efc6ed0457e017a3f97f3bc2129e7ebfd5e7b70c30
SHA51221895fa33f69786da384e5914820c0cb07b441eeeb4e94bcd069d28691f63acca65ebc7b49617ec199f95d197d1e71b4878c935e690297ee70650cbf9d7c8c38
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5