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Analysis
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max time kernel
141s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20240221-en -
resource tags
arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system -
submitted
24/02/2024, 19:01
Behavioral task
behavioral1
Sample
a2837288b18b21697304350e1220eed5.pdf
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
a2837288b18b21697304350e1220eed5.pdf
Resource
win10v2004-20240221-en
General
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Target
a2837288b18b21697304350e1220eed5.pdf
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Size
89KB
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MD5
a2837288b18b21697304350e1220eed5
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SHA1
2a7d9d327090d4a8e653f995a20cdf7d83f4c50e
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SHA256
0c063bf0a5407268a4a7c64e27fb51e2a5fd92d1b831a3a9caa4367dfccae9cb
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SHA512
4c99c8591c52bfd79052b0c257d42705b64c495e146a945b4a87a9d37fedaefa3e1b3697b3772be0a76d8fd8ee7a02c8143953d80ad2b5c8eb36631f9ffb4927
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SSDEEP
1536:CltaH0hZIHYR0P8UcfRQqdd0rkQj0kMy+nRScWnLOayAFM8Y8js4/WOpOwruS+6M:9UhZfdzfmqdJtkMlRChFM8848wrubD
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-1-5-21-910440534-423636034-2318342392-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 2260 AcroRd32.exe 2260 AcroRd32.exe 2260 AcroRd32.exe 2260 AcroRd32.exe 2260 AcroRd32.exe 2260 AcroRd32.exe 2260 AcroRd32.exe 2260 AcroRd32.exe 2260 AcroRd32.exe 2260 AcroRd32.exe 2260 AcroRd32.exe 2260 AcroRd32.exe 2260 AcroRd32.exe 2260 AcroRd32.exe 2260 AcroRd32.exe 2260 AcroRd32.exe 2260 AcroRd32.exe 2260 AcroRd32.exe 2260 AcroRd32.exe 2260 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2260 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 2260 AcroRd32.exe 2260 AcroRd32.exe 2260 AcroRd32.exe 2260 AcroRd32.exe 2260 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2260 wrote to memory of 4548 2260 AcroRd32.exe 87 PID 2260 wrote to memory of 4548 2260 AcroRd32.exe 87 PID 2260 wrote to memory of 4548 2260 AcroRd32.exe 87 PID 4548 wrote to memory of 2860 4548 RdrCEF.exe 88 PID 4548 wrote to memory of 2860 4548 RdrCEF.exe 88 PID 4548 wrote to memory of 2860 4548 RdrCEF.exe 88 PID 4548 wrote to memory of 2860 4548 RdrCEF.exe 88 PID 4548 wrote to memory of 2860 4548 RdrCEF.exe 88 PID 4548 wrote to memory of 2860 4548 RdrCEF.exe 88 PID 4548 wrote to memory of 2860 4548 RdrCEF.exe 88 PID 4548 wrote to memory of 2860 4548 RdrCEF.exe 88 PID 4548 wrote to memory of 2860 4548 RdrCEF.exe 88 PID 4548 wrote to memory of 2860 4548 RdrCEF.exe 88 PID 4548 wrote to memory of 2860 4548 RdrCEF.exe 88 PID 4548 wrote to memory of 2860 4548 RdrCEF.exe 88 PID 4548 wrote to memory of 2860 4548 RdrCEF.exe 88 PID 4548 wrote to memory of 2860 4548 RdrCEF.exe 88 PID 4548 wrote to memory of 2860 4548 RdrCEF.exe 88 PID 4548 wrote to memory of 2860 4548 RdrCEF.exe 88 PID 4548 wrote to memory of 2860 4548 RdrCEF.exe 88 PID 4548 wrote to memory of 2860 4548 RdrCEF.exe 88 PID 4548 wrote to memory of 2860 4548 RdrCEF.exe 88 PID 4548 wrote to memory of 2860 4548 RdrCEF.exe 88 PID 4548 wrote to memory of 2860 4548 RdrCEF.exe 88 PID 4548 wrote to memory of 2860 4548 RdrCEF.exe 88 PID 4548 wrote to memory of 2860 4548 RdrCEF.exe 88 PID 4548 wrote to memory of 2860 4548 RdrCEF.exe 88 PID 4548 wrote to memory of 2860 4548 RdrCEF.exe 88 PID 4548 wrote to memory of 2860 4548 RdrCEF.exe 88 PID 4548 wrote to memory of 2860 4548 RdrCEF.exe 88 PID 4548 wrote to memory of 2860 4548 RdrCEF.exe 88 PID 4548 wrote to memory of 2860 4548 RdrCEF.exe 88 PID 4548 wrote to memory of 2860 4548 RdrCEF.exe 88 PID 4548 wrote to memory of 2860 4548 RdrCEF.exe 88 PID 4548 wrote to memory of 2860 4548 RdrCEF.exe 88 PID 4548 wrote to memory of 2860 4548 RdrCEF.exe 88 PID 4548 wrote to memory of 2860 4548 RdrCEF.exe 88 PID 4548 wrote to memory of 2860 4548 RdrCEF.exe 88 PID 4548 wrote to memory of 2860 4548 RdrCEF.exe 88 PID 4548 wrote to memory of 2860 4548 RdrCEF.exe 88 PID 4548 wrote to memory of 2860 4548 RdrCEF.exe 88 PID 4548 wrote to memory of 2860 4548 RdrCEF.exe 88 PID 4548 wrote to memory of 2860 4548 RdrCEF.exe 88 PID 4548 wrote to memory of 2860 4548 RdrCEF.exe 88 PID 4548 wrote to memory of 1484 4548 RdrCEF.exe 89 PID 4548 wrote to memory of 1484 4548 RdrCEF.exe 89 PID 4548 wrote to memory of 1484 4548 RdrCEF.exe 89 PID 4548 wrote to memory of 1484 4548 RdrCEF.exe 89 PID 4548 wrote to memory of 1484 4548 RdrCEF.exe 89 PID 4548 wrote to memory of 1484 4548 RdrCEF.exe 89 PID 4548 wrote to memory of 1484 4548 RdrCEF.exe 89 PID 4548 wrote to memory of 1484 4548 RdrCEF.exe 89 PID 4548 wrote to memory of 1484 4548 RdrCEF.exe 89 PID 4548 wrote to memory of 1484 4548 RdrCEF.exe 89 PID 4548 wrote to memory of 1484 4548 RdrCEF.exe 89 PID 4548 wrote to memory of 1484 4548 RdrCEF.exe 89 PID 4548 wrote to memory of 1484 4548 RdrCEF.exe 89 PID 4548 wrote to memory of 1484 4548 RdrCEF.exe 89 PID 4548 wrote to memory of 1484 4548 RdrCEF.exe 89 PID 4548 wrote to memory of 1484 4548 RdrCEF.exe 89 PID 4548 wrote to memory of 1484 4548 RdrCEF.exe 89 PID 4548 wrote to memory of 1484 4548 RdrCEF.exe 89 PID 4548 wrote to memory of 1484 4548 RdrCEF.exe 89 PID 4548 wrote to memory of 1484 4548 RdrCEF.exe 89
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\a2837288b18b21697304350e1220eed5.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:2260 -
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:4548 -
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=874ED7563FA94C69D41904D58EA9D26A --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2860
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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=FCE1A065F8597799DDB01D1E2589D476 --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=FCE1A065F8597799DDB01D1E2589D476 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:13⤵PID:1484
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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=439292D50D5319DD8ED871681564187A --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1220
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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=47CD24CB040D053D1A587DB47E3EE643 --mojo-platform-channel-handle=1932 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4824
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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=9EA33A5476D4ED89199941A7C43FD684 --mojo-platform-channel-handle=2348 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4212
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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=7132262B390DB8161F96A5764B77C19C --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=7132262B390DB8161F96A5764B77C19C --renderer-client-id=7 --mojo-platform-channel-handle=2560 --allow-no-sandbox-job /prefetch:13⤵PID:2676
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:2772
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD5a49037b706cd8b6b37e24f1e7dd2f6ce
SHA1ecebd4fe4e29e3426f95718a4399df45468473a9
SHA2567289cd5cc04fff2ec7d018872c1ec00a393dc1bdc770a5c9fe7c5be566abc871
SHA512242e8885fe336975cdcad40ba6761be32b1736fad2b13fa8e4c8e2804b40e83c2cdfa08678231366938d57eb24c330e51cb58c26087c6bbf37e75307c197ad80
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5