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Analysis
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max time kernel
141s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
28/02/2024, 09:54
Behavioral task
behavioral1
Sample
ab9bbf424c84d2364f055561c6b0c2ab.pdf
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
ab9bbf424c84d2364f055561c6b0c2ab.pdf
Resource
win10v2004-20240226-en
General
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Target
ab9bbf424c84d2364f055561c6b0c2ab.pdf
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Size
13KB
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MD5
ab9bbf424c84d2364f055561c6b0c2ab
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SHA1
8df3fdf1f46a9fb998f62c5195a4fc47058e7bc7
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SHA256
3e6ddb6a6319bb6e7283e126618db522f731fad39b57d3d3d4d75c472ccbb04b
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SHA512
3a837a3ec4280706cdcfa054926972e57ff528dc24002097fcdd3ef66e21d34bebe11fe3f44e1e470ab0636e39566e6be8957ee013f2e090b81d13499d9b5dd5
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SSDEEP
384:6hzaNwAO9GiJlDmlAloSAhmbZ9/AGQi/60G7J8vKIs:ahZGirHAhmbZ9YGQC6dJiKH
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-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 2564 AcroRd32.exe 2564 AcroRd32.exe 2564 AcroRd32.exe 2564 AcroRd32.exe 2564 AcroRd32.exe 2564 AcroRd32.exe 2564 AcroRd32.exe 2564 AcroRd32.exe 2564 AcroRd32.exe 2564 AcroRd32.exe 2564 AcroRd32.exe 2564 AcroRd32.exe 2564 AcroRd32.exe 2564 AcroRd32.exe 2564 AcroRd32.exe 2564 AcroRd32.exe 2564 AcroRd32.exe 2564 AcroRd32.exe 2564 AcroRd32.exe 2564 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2564 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 2564 AcroRd32.exe 2564 AcroRd32.exe 2564 AcroRd32.exe 2564 AcroRd32.exe 2564 AcroRd32.exe 2564 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2564 wrote to memory of 1812 2564 AcroRd32.exe 92 PID 2564 wrote to memory of 1812 2564 AcroRd32.exe 92 PID 2564 wrote to memory of 1812 2564 AcroRd32.exe 92 PID 1812 wrote to memory of 1896 1812 RdrCEF.exe 93 PID 1812 wrote to memory of 1896 1812 RdrCEF.exe 93 PID 1812 wrote to memory of 1896 1812 RdrCEF.exe 93 PID 1812 wrote to memory of 1896 1812 RdrCEF.exe 93 PID 1812 wrote to memory of 1896 1812 RdrCEF.exe 93 PID 1812 wrote to memory of 1896 1812 RdrCEF.exe 93 PID 1812 wrote to memory of 1896 1812 RdrCEF.exe 93 PID 1812 wrote to memory of 1896 1812 RdrCEF.exe 93 PID 1812 wrote to memory of 1896 1812 RdrCEF.exe 93 PID 1812 wrote to memory of 1896 1812 RdrCEF.exe 93 PID 1812 wrote to memory of 1896 1812 RdrCEF.exe 93 PID 1812 wrote to memory of 1896 1812 RdrCEF.exe 93 PID 1812 wrote to memory of 1896 1812 RdrCEF.exe 93 PID 1812 wrote to memory of 1896 1812 RdrCEF.exe 93 PID 1812 wrote to memory of 1896 1812 RdrCEF.exe 93 PID 1812 wrote to memory of 1896 1812 RdrCEF.exe 93 PID 1812 wrote to memory of 1896 1812 RdrCEF.exe 93 PID 1812 wrote to memory of 1896 1812 RdrCEF.exe 93 PID 1812 wrote to memory of 1896 1812 RdrCEF.exe 93 PID 1812 wrote to memory of 1896 1812 RdrCEF.exe 93 PID 1812 wrote to memory of 1896 1812 RdrCEF.exe 93 PID 1812 wrote to memory of 1896 1812 RdrCEF.exe 93 PID 1812 wrote to memory of 1896 1812 RdrCEF.exe 93 PID 1812 wrote to memory of 1896 1812 RdrCEF.exe 93 PID 1812 wrote to memory of 1896 1812 RdrCEF.exe 93 PID 1812 wrote to memory of 1896 1812 RdrCEF.exe 93 PID 1812 wrote to memory of 1896 1812 RdrCEF.exe 93 PID 1812 wrote to memory of 1896 1812 RdrCEF.exe 93 PID 1812 wrote to memory of 1896 1812 RdrCEF.exe 93 PID 1812 wrote to memory of 1896 1812 RdrCEF.exe 93 PID 1812 wrote to memory of 1896 1812 RdrCEF.exe 93 PID 1812 wrote to memory of 1896 1812 RdrCEF.exe 93 PID 1812 wrote to memory of 1896 1812 RdrCEF.exe 93 PID 1812 wrote to memory of 1896 1812 RdrCEF.exe 93 PID 1812 wrote to memory of 1896 1812 RdrCEF.exe 93 PID 1812 wrote to memory of 1896 1812 RdrCEF.exe 93 PID 1812 wrote to memory of 1896 1812 RdrCEF.exe 93 PID 1812 wrote to memory of 1896 1812 RdrCEF.exe 93 PID 1812 wrote to memory of 1896 1812 RdrCEF.exe 93 PID 1812 wrote to memory of 1896 1812 RdrCEF.exe 93 PID 1812 wrote to memory of 1896 1812 RdrCEF.exe 93 PID 1812 wrote to memory of 1036 1812 RdrCEF.exe 94 PID 1812 wrote to memory of 1036 1812 RdrCEF.exe 94 PID 1812 wrote to memory of 1036 1812 RdrCEF.exe 94 PID 1812 wrote to memory of 1036 1812 RdrCEF.exe 94 PID 1812 wrote to memory of 1036 1812 RdrCEF.exe 94 PID 1812 wrote to memory of 1036 1812 RdrCEF.exe 94 PID 1812 wrote to memory of 1036 1812 RdrCEF.exe 94 PID 1812 wrote to memory of 1036 1812 RdrCEF.exe 94 PID 1812 wrote to memory of 1036 1812 RdrCEF.exe 94 PID 1812 wrote to memory of 1036 1812 RdrCEF.exe 94 PID 1812 wrote to memory of 1036 1812 RdrCEF.exe 94 PID 1812 wrote to memory of 1036 1812 RdrCEF.exe 94 PID 1812 wrote to memory of 1036 1812 RdrCEF.exe 94 PID 1812 wrote to memory of 1036 1812 RdrCEF.exe 94 PID 1812 wrote to memory of 1036 1812 RdrCEF.exe 94 PID 1812 wrote to memory of 1036 1812 RdrCEF.exe 94 PID 1812 wrote to memory of 1036 1812 RdrCEF.exe 94 PID 1812 wrote to memory of 1036 1812 RdrCEF.exe 94 PID 1812 wrote to memory of 1036 1812 RdrCEF.exe 94 PID 1812 wrote to memory of 1036 1812 RdrCEF.exe 94
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\ab9bbf424c84d2364f055561c6b0c2ab.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:2564 -
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:1812 -
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=EE3C0EF0F9BBA0A291FA11AE2ADC5F84 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1896
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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=6DC9732A8F921127AB61D8B6A98289E2 --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=6DC9732A8F921127AB61D8B6A98289E2 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:13⤵PID:1036
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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=1F76B5AD2D17F13C1B18120E07D731C2 --mojo-platform-channel-handle=2152 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4460
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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=1AF5C739408E1FD9074A9FC9CA8D80B9 --mojo-platform-channel-handle=1828 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2420
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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=E391D3C51A12FFE64C2DF9B23D087311 --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=E391D3C51A12FFE64C2DF9B23D087311 --renderer-client-id=6 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:13⤵PID:4192
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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=90C35A77DB09D01FAEB0264ED64C47D7 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3620
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:1584
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD515cfaa05db416f23d3c3ee1eb30e5578
SHA1a1d803a8d2dc79c3b29c51a7a6b3bdae57daec67
SHA256497beb3bce980d6d614201c17150588bc89032f230f029afed343951441d0c0f
SHA5127318c6dff8b8dda1d156aaf5c9a3a62eac1ba6eb1f7cc17e8d1c3c17e9305247c0ac2fb108724e6af68eb5a14da986f5b47de5806cb955f15732791072f2a9d3
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5