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Analysis
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max time kernel
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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
06/01/2024, 20:37
Behavioral task
behavioral1
Sample
4720a7752626293fc4adf2ed27c45246.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
4720a7752626293fc4adf2ed27c45246.pdf
Resource
win10v2004-20231215-en
General
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Target
4720a7752626293fc4adf2ed27c45246.pdf
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Size
37KB
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MD5
4720a7752626293fc4adf2ed27c45246
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SHA1
82be6844ab0060d3b050dbfc4ac90f28f9d45a01
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SHA256
3cf9c9fe4bcbc1e3ec759f9227821902452c279020b504902b8b88ae7ca2c179
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SHA512
d183589b062ca07b14b53b28c64fe8bfb3a951d0e9415c3f99a6daee975e87b49ae0ccfca8da41665324c4042758dfe341c5c719f40f2f2850f0fc3b8272fa5f
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SSDEEP
768:vLWIHHCiKM3YbYHvAus0N31QShywYjPAX4BvsvHVC+G:yIC5yvAB051QShHYjIX4BcHI+G
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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 892 AcroRd32.exe 892 AcroRd32.exe 892 AcroRd32.exe 892 AcroRd32.exe 892 AcroRd32.exe 892 AcroRd32.exe 892 AcroRd32.exe 892 AcroRd32.exe 892 AcroRd32.exe 892 AcroRd32.exe 892 AcroRd32.exe 892 AcroRd32.exe 892 AcroRd32.exe 892 AcroRd32.exe 892 AcroRd32.exe 892 AcroRd32.exe 892 AcroRd32.exe 892 AcroRd32.exe 892 AcroRd32.exe 892 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 892 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 892 AcroRd32.exe 892 AcroRd32.exe 892 AcroRd32.exe 892 AcroRd32.exe 892 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 892 wrote to memory of 1436 892 AcroRd32.exe 92 PID 892 wrote to memory of 1436 892 AcroRd32.exe 92 PID 892 wrote to memory of 1436 892 AcroRd32.exe 92 PID 1436 wrote to memory of 4056 1436 RdrCEF.exe 94 PID 1436 wrote to memory of 4056 1436 RdrCEF.exe 94 PID 1436 wrote to memory of 4056 1436 RdrCEF.exe 94 PID 1436 wrote to memory of 4056 1436 RdrCEF.exe 94 PID 1436 wrote to memory of 4056 1436 RdrCEF.exe 94 PID 1436 wrote to memory of 4056 1436 RdrCEF.exe 94 PID 1436 wrote to memory of 4056 1436 RdrCEF.exe 94 PID 1436 wrote to memory of 4056 1436 RdrCEF.exe 94 PID 1436 wrote to memory of 4056 1436 RdrCEF.exe 94 PID 1436 wrote to memory of 4056 1436 RdrCEF.exe 94 PID 1436 wrote to memory of 4056 1436 RdrCEF.exe 94 PID 1436 wrote to memory of 4056 1436 RdrCEF.exe 94 PID 1436 wrote to memory of 4056 1436 RdrCEF.exe 94 PID 1436 wrote to memory of 4056 1436 RdrCEF.exe 94 PID 1436 wrote to memory of 4056 1436 RdrCEF.exe 94 PID 1436 wrote to memory of 4056 1436 RdrCEF.exe 94 PID 1436 wrote to memory of 4056 1436 RdrCEF.exe 94 PID 1436 wrote to memory of 4056 1436 RdrCEF.exe 94 PID 1436 wrote to memory of 4056 1436 RdrCEF.exe 94 PID 1436 wrote to memory of 4056 1436 RdrCEF.exe 94 PID 1436 wrote to memory of 4056 1436 RdrCEF.exe 94 PID 1436 wrote to memory of 4056 1436 RdrCEF.exe 94 PID 1436 wrote to memory of 4056 1436 RdrCEF.exe 94 PID 1436 wrote to memory of 4056 1436 RdrCEF.exe 94 PID 1436 wrote to memory of 4056 1436 RdrCEF.exe 94 PID 1436 wrote to memory of 4056 1436 RdrCEF.exe 94 PID 1436 wrote to memory of 4056 1436 RdrCEF.exe 94 PID 1436 wrote to memory of 4056 1436 RdrCEF.exe 94 PID 1436 wrote to memory of 4056 1436 RdrCEF.exe 94 PID 1436 wrote to memory of 4056 1436 RdrCEF.exe 94 PID 1436 wrote to memory of 4056 1436 RdrCEF.exe 94 PID 1436 wrote to memory of 4056 1436 RdrCEF.exe 94 PID 1436 wrote to memory of 4056 1436 RdrCEF.exe 94 PID 1436 wrote to memory of 4056 1436 RdrCEF.exe 94 PID 1436 wrote to memory of 4056 1436 RdrCEF.exe 94 PID 1436 wrote to memory of 4056 1436 RdrCEF.exe 94 PID 1436 wrote to memory of 4056 1436 RdrCEF.exe 94 PID 1436 wrote to memory of 4056 1436 RdrCEF.exe 94 PID 1436 wrote to memory of 4056 1436 RdrCEF.exe 94 PID 1436 wrote to memory of 4056 1436 RdrCEF.exe 94 PID 1436 wrote to memory of 4056 1436 RdrCEF.exe 94 PID 1436 wrote to memory of 5080 1436 RdrCEF.exe 93 PID 1436 wrote to memory of 5080 1436 RdrCEF.exe 93 PID 1436 wrote to memory of 5080 1436 RdrCEF.exe 93 PID 1436 wrote to memory of 5080 1436 RdrCEF.exe 93 PID 1436 wrote to memory of 5080 1436 RdrCEF.exe 93 PID 1436 wrote to memory of 5080 1436 RdrCEF.exe 93 PID 1436 wrote to memory of 5080 1436 RdrCEF.exe 93 PID 1436 wrote to memory of 5080 1436 RdrCEF.exe 93 PID 1436 wrote to memory of 5080 1436 RdrCEF.exe 93 PID 1436 wrote to memory of 5080 1436 RdrCEF.exe 93 PID 1436 wrote to memory of 5080 1436 RdrCEF.exe 93 PID 1436 wrote to memory of 5080 1436 RdrCEF.exe 93 PID 1436 wrote to memory of 5080 1436 RdrCEF.exe 93 PID 1436 wrote to memory of 5080 1436 RdrCEF.exe 93 PID 1436 wrote to memory of 5080 1436 RdrCEF.exe 93 PID 1436 wrote to memory of 5080 1436 RdrCEF.exe 93 PID 1436 wrote to memory of 5080 1436 RdrCEF.exe 93 PID 1436 wrote to memory of 5080 1436 RdrCEF.exe 93 PID 1436 wrote to memory of 5080 1436 RdrCEF.exe 93 PID 1436 wrote to memory of 5080 1436 RdrCEF.exe 93
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\4720a7752626293fc4adf2ed27c45246.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:892 -
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:1436 -
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=052E902D18E1242563ED5E93C8402905 --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=052E902D18E1242563ED5E93C8402905 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:13⤵PID:5080
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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=5854003011EFB17FAB39CDB4FF1A0BB4 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4056
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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=0DA4FD8A26807BE6D48F76D4DE05193E --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=0DA4FD8A26807BE6D48F76D4DE05193E --renderer-client-id=4 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:13⤵PID:4120
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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=BE84B87E897E9994D65459B376276921 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3508
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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=5CB7243C96C6BF6FEC51C46E11923879 --mojo-platform-channel-handle=1952 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2184
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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=46EE80EE0752D02B7E113FC1B955AA2B --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:5020
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD5062cadc345589f05eb30cb869131e5b9
SHA1427ad9154492ec731c1ae4a1b077fe86adcd47ad
SHA2564e2083f4963dda81e8bc83f734a3cbbc3e58c5d89bf7ebda526eed432693b796
SHA512d2d80ad1ab9e83036871dff4404795b123f0a1c7b969de3a791afd088aac31548eb741fe52bfbea9d80ba5b6eb13b2f60d3f371019d447698ce1330551a3d065