Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
05/03/2024, 06:15
Behavioral task
behavioral1
Sample
b3fd2fa1c578b87e2bfe96a4fa0fde92.pdf
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
b3fd2fa1c578b87e2bfe96a4fa0fde92.pdf
Resource
win10v2004-20240226-en
General
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Target
b3fd2fa1c578b87e2bfe96a4fa0fde92.pdf
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Size
83KB
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MD5
b3fd2fa1c578b87e2bfe96a4fa0fde92
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SHA1
7ae9e494335a3cfee7884479e10f2c4e84c776d7
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SHA256
913a444be216ac50b6b97847eb01469d2d45515b3a296c9e7638318b867c882a
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SHA512
9cd8f5151acdfd563f5673a1e46f34bf20d085e3323e42e693a419afe32600bfa4639a26283291651b5b138876ae089e495712f06d60af933b9b0a9b66d8441b
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SSDEEP
1536:WW8uXMnQYyTiLr+KGCctyr1CijinRRVHDWHpOvTWSPNhIxPm84:j8+apyTifNGCN1CgilhvTPNAPO
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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz AcroRd32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 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 2380 AcroRd32.exe 2380 AcroRd32.exe 2380 AcroRd32.exe 2380 AcroRd32.exe 2380 AcroRd32.exe 2380 AcroRd32.exe 2380 AcroRd32.exe 2380 AcroRd32.exe 2380 AcroRd32.exe 2380 AcroRd32.exe 2380 AcroRd32.exe 2380 AcroRd32.exe 2380 AcroRd32.exe 2380 AcroRd32.exe 2380 AcroRd32.exe 2380 AcroRd32.exe 2380 AcroRd32.exe 2380 AcroRd32.exe 2380 AcroRd32.exe 2380 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2380 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 2380 AcroRd32.exe 2380 AcroRd32.exe 2380 AcroRd32.exe 2380 AcroRd32.exe 2380 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2380 wrote to memory of 1488 2380 AcroRd32.exe 93 PID 2380 wrote to memory of 1488 2380 AcroRd32.exe 93 PID 2380 wrote to memory of 1488 2380 AcroRd32.exe 93 PID 1488 wrote to memory of 1460 1488 RdrCEF.exe 94 PID 1488 wrote to memory of 1460 1488 RdrCEF.exe 94 PID 1488 wrote to memory of 1460 1488 RdrCEF.exe 94 PID 1488 wrote to memory of 1460 1488 RdrCEF.exe 94 PID 1488 wrote to memory of 1460 1488 RdrCEF.exe 94 PID 1488 wrote to memory of 1460 1488 RdrCEF.exe 94 PID 1488 wrote to memory of 1460 1488 RdrCEF.exe 94 PID 1488 wrote to memory of 1460 1488 RdrCEF.exe 94 PID 1488 wrote to memory of 1460 1488 RdrCEF.exe 94 PID 1488 wrote to memory of 1460 1488 RdrCEF.exe 94 PID 1488 wrote to memory of 1460 1488 RdrCEF.exe 94 PID 1488 wrote to memory of 1460 1488 RdrCEF.exe 94 PID 1488 wrote to memory of 1460 1488 RdrCEF.exe 94 PID 1488 wrote to memory of 1460 1488 RdrCEF.exe 94 PID 1488 wrote to memory of 1460 1488 RdrCEF.exe 94 PID 1488 wrote to memory of 1460 1488 RdrCEF.exe 94 PID 1488 wrote to memory of 1460 1488 RdrCEF.exe 94 PID 1488 wrote to memory of 1460 1488 RdrCEF.exe 94 PID 1488 wrote to memory of 1460 1488 RdrCEF.exe 94 PID 1488 wrote to memory of 1460 1488 RdrCEF.exe 94 PID 1488 wrote to memory of 1460 1488 RdrCEF.exe 94 PID 1488 wrote to memory of 1460 1488 RdrCEF.exe 94 PID 1488 wrote to memory of 1460 1488 RdrCEF.exe 94 PID 1488 wrote to memory of 1460 1488 RdrCEF.exe 94 PID 1488 wrote to memory of 1460 1488 RdrCEF.exe 94 PID 1488 wrote to memory of 1460 1488 RdrCEF.exe 94 PID 1488 wrote to memory of 1460 1488 RdrCEF.exe 94 PID 1488 wrote to memory of 1460 1488 RdrCEF.exe 94 PID 1488 wrote to memory of 1460 1488 RdrCEF.exe 94 PID 1488 wrote to memory of 1460 1488 RdrCEF.exe 94 PID 1488 wrote to memory of 1460 1488 RdrCEF.exe 94 PID 1488 wrote to memory of 1460 1488 RdrCEF.exe 94 PID 1488 wrote to memory of 1460 1488 RdrCEF.exe 94 PID 1488 wrote to memory of 1460 1488 RdrCEF.exe 94 PID 1488 wrote to memory of 1460 1488 RdrCEF.exe 94 PID 1488 wrote to memory of 1460 1488 RdrCEF.exe 94 PID 1488 wrote to memory of 1460 1488 RdrCEF.exe 94 PID 1488 wrote to memory of 1460 1488 RdrCEF.exe 94 PID 1488 wrote to memory of 1460 1488 RdrCEF.exe 94 PID 1488 wrote to memory of 1460 1488 RdrCEF.exe 94 PID 1488 wrote to memory of 1460 1488 RdrCEF.exe 94 PID 1488 wrote to memory of 4912 1488 RdrCEF.exe 95 PID 1488 wrote to memory of 4912 1488 RdrCEF.exe 95 PID 1488 wrote to memory of 4912 1488 RdrCEF.exe 95 PID 1488 wrote to memory of 4912 1488 RdrCEF.exe 95 PID 1488 wrote to memory of 4912 1488 RdrCEF.exe 95 PID 1488 wrote to memory of 4912 1488 RdrCEF.exe 95 PID 1488 wrote to memory of 4912 1488 RdrCEF.exe 95 PID 1488 wrote to memory of 4912 1488 RdrCEF.exe 95 PID 1488 wrote to memory of 4912 1488 RdrCEF.exe 95 PID 1488 wrote to memory of 4912 1488 RdrCEF.exe 95 PID 1488 wrote to memory of 4912 1488 RdrCEF.exe 95 PID 1488 wrote to memory of 4912 1488 RdrCEF.exe 95 PID 1488 wrote to memory of 4912 1488 RdrCEF.exe 95 PID 1488 wrote to memory of 4912 1488 RdrCEF.exe 95 PID 1488 wrote to memory of 4912 1488 RdrCEF.exe 95 PID 1488 wrote to memory of 4912 1488 RdrCEF.exe 95 PID 1488 wrote to memory of 4912 1488 RdrCEF.exe 95 PID 1488 wrote to memory of 4912 1488 RdrCEF.exe 95 PID 1488 wrote to memory of 4912 1488 RdrCEF.exe 95 PID 1488 wrote to memory of 4912 1488 RdrCEF.exe 95
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\b3fd2fa1c578b87e2bfe96a4fa0fde92.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:2380 -
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:1488 -
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=969E3569EAED4AF2DACF81B27CFFC6D5 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1460
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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=81275573D8DEFA059559B166B1AD3682 --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=81275573D8DEFA059559B166B1AD3682 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:13⤵PID:4912
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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=FDABA018B295AE60496F1044CE235991 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1340
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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=C83BB626C698D668A9759549AA375E44 --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=C83BB626C698D668A9759549AA375E44 --renderer-client-id=5 --mojo-platform-channel-handle=2408 --allow-no-sandbox-job /prefetch:13⤵PID:1864
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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=CC96B0E4059198C0CE86EE9DA5AB3E1E --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3656
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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=59DEBEB97DF459B656688FA49C27874F --mojo-platform-channel-handle=2344 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1448
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:2412
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD58971a193b443b6804cc15604ed1a3247
SHA10f73233231f152127527a39178e683ea760d4823
SHA2564f7c285d434b0a24bdebf8cbd34bf3dfb09619291a257ba5f1da777d477cd06f
SHA512e84d290ea4d17b6dc775103cab2cd1e0a286bd333bda84a19de13a164ef5b9e871ccef422a87c21260206532325d56681acf81db767bdcb26218534ee4dd6870
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5