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Analysis
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max time kernel
149s -
max time network
153s -
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, 08:03
Behavioral task
behavioral1
Sample
b43575eb919887837d3fdc7e18cbae7f.pdf
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
b43575eb919887837d3fdc7e18cbae7f.pdf
Resource
win10v2004-20240226-en
General
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Target
b43575eb919887837d3fdc7e18cbae7f.pdf
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Size
64KB
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MD5
b43575eb919887837d3fdc7e18cbae7f
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SHA1
b411b5886f62fb741764b8f17d56f78d8571e9a0
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SHA256
df383e0b521f971498263b96c4b40646e090927d350e9fa5d79b3ee507ec3ead
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SHA512
7c7e4f5b1caeb427a213fc3ff2238dcb3e5a0076ac171ac92a8a7b4912014f183401cf959a6497ab0562ade43bd1f43c70dfa21fee1eee7ba3299e408a710cd8
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SSDEEP
1536:i+cUexPMJwX6yRkwFhVXBRRAwEz3htddBbFgb46aUVQDnUgYDi:5wPAY6EVXlAwK3hLd7gUp7DBr
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-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 696 AcroRd32.exe 696 AcroRd32.exe 696 AcroRd32.exe 696 AcroRd32.exe 696 AcroRd32.exe 696 AcroRd32.exe 696 AcroRd32.exe 696 AcroRd32.exe 696 AcroRd32.exe 696 AcroRd32.exe 696 AcroRd32.exe 696 AcroRd32.exe 696 AcroRd32.exe 696 AcroRd32.exe 696 AcroRd32.exe 696 AcroRd32.exe 696 AcroRd32.exe 696 AcroRd32.exe 696 AcroRd32.exe 696 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 696 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 696 AcroRd32.exe 696 AcroRd32.exe 696 AcroRd32.exe 696 AcroRd32.exe 696 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 696 wrote to memory of 1584 696 AcroRd32.exe 95 PID 696 wrote to memory of 1584 696 AcroRd32.exe 95 PID 696 wrote to memory of 1584 696 AcroRd32.exe 95 PID 1584 wrote to memory of 1524 1584 RdrCEF.exe 98 PID 1584 wrote to memory of 1524 1584 RdrCEF.exe 98 PID 1584 wrote to memory of 1524 1584 RdrCEF.exe 98 PID 1584 wrote to memory of 1524 1584 RdrCEF.exe 98 PID 1584 wrote to memory of 1524 1584 RdrCEF.exe 98 PID 1584 wrote to memory of 1524 1584 RdrCEF.exe 98 PID 1584 wrote to memory of 1524 1584 RdrCEF.exe 98 PID 1584 wrote to memory of 1524 1584 RdrCEF.exe 98 PID 1584 wrote to memory of 1524 1584 RdrCEF.exe 98 PID 1584 wrote to memory of 1524 1584 RdrCEF.exe 98 PID 1584 wrote to memory of 1524 1584 RdrCEF.exe 98 PID 1584 wrote to memory of 1524 1584 RdrCEF.exe 98 PID 1584 wrote to memory of 1524 1584 RdrCEF.exe 98 PID 1584 wrote to memory of 1524 1584 RdrCEF.exe 98 PID 1584 wrote to memory of 1524 1584 RdrCEF.exe 98 PID 1584 wrote to memory of 1524 1584 RdrCEF.exe 98 PID 1584 wrote to memory of 1524 1584 RdrCEF.exe 98 PID 1584 wrote to memory of 1524 1584 RdrCEF.exe 98 PID 1584 wrote to memory of 1524 1584 RdrCEF.exe 98 PID 1584 wrote to memory of 1524 1584 RdrCEF.exe 98 PID 1584 wrote to memory of 1524 1584 RdrCEF.exe 98 PID 1584 wrote to memory of 1524 1584 RdrCEF.exe 98 PID 1584 wrote to memory of 1524 1584 RdrCEF.exe 98 PID 1584 wrote to memory of 1524 1584 RdrCEF.exe 98 PID 1584 wrote to memory of 1524 1584 RdrCEF.exe 98 PID 1584 wrote to memory of 1524 1584 RdrCEF.exe 98 PID 1584 wrote to memory of 1524 1584 RdrCEF.exe 98 PID 1584 wrote to memory of 1524 1584 RdrCEF.exe 98 PID 1584 wrote to memory of 1524 1584 RdrCEF.exe 98 PID 1584 wrote to memory of 1524 1584 RdrCEF.exe 98 PID 1584 wrote to memory of 1524 1584 RdrCEF.exe 98 PID 1584 wrote to memory of 1524 1584 RdrCEF.exe 98 PID 1584 wrote to memory of 1524 1584 RdrCEF.exe 98 PID 1584 wrote to memory of 1524 1584 RdrCEF.exe 98 PID 1584 wrote to memory of 1524 1584 RdrCEF.exe 98 PID 1584 wrote to memory of 1524 1584 RdrCEF.exe 98 PID 1584 wrote to memory of 1524 1584 RdrCEF.exe 98 PID 1584 wrote to memory of 1524 1584 RdrCEF.exe 98 PID 1584 wrote to memory of 1524 1584 RdrCEF.exe 98 PID 1584 wrote to memory of 1524 1584 RdrCEF.exe 98 PID 1584 wrote to memory of 1524 1584 RdrCEF.exe 98 PID 1584 wrote to memory of 1288 1584 RdrCEF.exe 99 PID 1584 wrote to memory of 1288 1584 RdrCEF.exe 99 PID 1584 wrote to memory of 1288 1584 RdrCEF.exe 99 PID 1584 wrote to memory of 1288 1584 RdrCEF.exe 99 PID 1584 wrote to memory of 1288 1584 RdrCEF.exe 99 PID 1584 wrote to memory of 1288 1584 RdrCEF.exe 99 PID 1584 wrote to memory of 1288 1584 RdrCEF.exe 99 PID 1584 wrote to memory of 1288 1584 RdrCEF.exe 99 PID 1584 wrote to memory of 1288 1584 RdrCEF.exe 99 PID 1584 wrote to memory of 1288 1584 RdrCEF.exe 99 PID 1584 wrote to memory of 1288 1584 RdrCEF.exe 99 PID 1584 wrote to memory of 1288 1584 RdrCEF.exe 99 PID 1584 wrote to memory of 1288 1584 RdrCEF.exe 99 PID 1584 wrote to memory of 1288 1584 RdrCEF.exe 99 PID 1584 wrote to memory of 1288 1584 RdrCEF.exe 99 PID 1584 wrote to memory of 1288 1584 RdrCEF.exe 99 PID 1584 wrote to memory of 1288 1584 RdrCEF.exe 99 PID 1584 wrote to memory of 1288 1584 RdrCEF.exe 99 PID 1584 wrote to memory of 1288 1584 RdrCEF.exe 99 PID 1584 wrote to memory of 1288 1584 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\b43575eb919887837d3fdc7e18cbae7f.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:696 -
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:1584 -
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=670CF5DC9CB7918C9AB181DB1C5263B0 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1524
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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=CBDBDB817849FF3D9733165BD2081D3B --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=CBDBDB817849FF3D9733165BD2081D3B --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:13⤵PID:1288
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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=8ABE5C3915DE602FD01394DB7BD27627 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1348
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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=5E168BDC658DB9101B109348707EBBD6 --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=5E168BDC658DB9101B109348707EBBD6 --renderer-client-id=5 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:13⤵PID:4624
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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=E3E97AEB86FAD0841A51D0AEE785A497 --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3044
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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=2125AD6955B619834323B65101F86535 --mojo-platform-channel-handle=2784 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4044
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4844
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD55cf0019b7942c486cc85edb54422ccee
SHA1323fb1869e261d0de93109bc676b1dee49b20558
SHA25608c472f79d407ef1b1775cfe47c5ed842a385f85ba1e813accb4112a461fbf19
SHA512d5776e3604fb46e0c262112f7475a53ff1a4aae8ec03cb7e3c01e64c5059ac65f0b33c10b6f009d42e695065655152dac041d3434789f669e79d6c10b401c490
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5