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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, 08:49
Behavioral task
behavioral1
Sample
b44b5cd4691af4de1808f5594fae111c.pdf
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
b44b5cd4691af4de1808f5594fae111c.pdf
Resource
win10v2004-20240226-en
General
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Target
b44b5cd4691af4de1808f5594fae111c.pdf
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Size
36KB
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MD5
b44b5cd4691af4de1808f5594fae111c
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SHA1
be95da6612c4370ed8784c88866722728ad05527
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SHA256
c39a18a821769f08b063b12c3a6a04d9b3cbcd428e939cd3ba75f785e725ca45
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SHA512
515aae4135966f89dac8eb134c74e1dc29201fecb444b332bbb4499b3c4fb2d1130022f681b1eaf62b86e134de18bc47b32cdd616eb377ad5f42556d9c7d50a8
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SSDEEP
768:i6DBbJpvmO7nT6yWSC3DTvNXCXYjWvxH7rtrFPZYlipQ:poOaDTvcojWN7xFPSlipQ
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 3252 AcroRd32.exe 3252 AcroRd32.exe 3252 AcroRd32.exe 3252 AcroRd32.exe 3252 AcroRd32.exe 3252 AcroRd32.exe 3252 AcroRd32.exe 3252 AcroRd32.exe 3252 AcroRd32.exe 3252 AcroRd32.exe 3252 AcroRd32.exe 3252 AcroRd32.exe 3252 AcroRd32.exe 3252 AcroRd32.exe 3252 AcroRd32.exe 3252 AcroRd32.exe 3252 AcroRd32.exe 3252 AcroRd32.exe 3252 AcroRd32.exe 3252 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3252 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 3252 AcroRd32.exe 3252 AcroRd32.exe 3252 AcroRd32.exe 3252 AcroRd32.exe 3252 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3252 wrote to memory of 4916 3252 AcroRd32.exe 90 PID 3252 wrote to memory of 4916 3252 AcroRd32.exe 90 PID 3252 wrote to memory of 4916 3252 AcroRd32.exe 90 PID 4916 wrote to memory of 4392 4916 RdrCEF.exe 91 PID 4916 wrote to memory of 4392 4916 RdrCEF.exe 91 PID 4916 wrote to memory of 4392 4916 RdrCEF.exe 91 PID 4916 wrote to memory of 4392 4916 RdrCEF.exe 91 PID 4916 wrote to memory of 4392 4916 RdrCEF.exe 91 PID 4916 wrote to memory of 4392 4916 RdrCEF.exe 91 PID 4916 wrote to memory of 4392 4916 RdrCEF.exe 91 PID 4916 wrote to memory of 4392 4916 RdrCEF.exe 91 PID 4916 wrote to memory of 4392 4916 RdrCEF.exe 91 PID 4916 wrote to memory of 4392 4916 RdrCEF.exe 91 PID 4916 wrote to memory of 4392 4916 RdrCEF.exe 91 PID 4916 wrote to memory of 4392 4916 RdrCEF.exe 91 PID 4916 wrote to memory of 4392 4916 RdrCEF.exe 91 PID 4916 wrote to memory of 4392 4916 RdrCEF.exe 91 PID 4916 wrote to memory of 4392 4916 RdrCEF.exe 91 PID 4916 wrote to memory of 4392 4916 RdrCEF.exe 91 PID 4916 wrote to memory of 4392 4916 RdrCEF.exe 91 PID 4916 wrote to memory of 4392 4916 RdrCEF.exe 91 PID 4916 wrote to memory of 4392 4916 RdrCEF.exe 91 PID 4916 wrote to memory of 4392 4916 RdrCEF.exe 91 PID 4916 wrote to memory of 4392 4916 RdrCEF.exe 91 PID 4916 wrote to memory of 4392 4916 RdrCEF.exe 91 PID 4916 wrote to memory of 4392 4916 RdrCEF.exe 91 PID 4916 wrote to memory of 4392 4916 RdrCEF.exe 91 PID 4916 wrote to memory of 4392 4916 RdrCEF.exe 91 PID 4916 wrote to memory of 4392 4916 RdrCEF.exe 91 PID 4916 wrote to memory of 4392 4916 RdrCEF.exe 91 PID 4916 wrote to memory of 4392 4916 RdrCEF.exe 91 PID 4916 wrote to memory of 4392 4916 RdrCEF.exe 91 PID 4916 wrote to memory of 4392 4916 RdrCEF.exe 91 PID 4916 wrote to memory of 4392 4916 RdrCEF.exe 91 PID 4916 wrote to memory of 4392 4916 RdrCEF.exe 91 PID 4916 wrote to memory of 4392 4916 RdrCEF.exe 91 PID 4916 wrote to memory of 4392 4916 RdrCEF.exe 91 PID 4916 wrote to memory of 4392 4916 RdrCEF.exe 91 PID 4916 wrote to memory of 4392 4916 RdrCEF.exe 91 PID 4916 wrote to memory of 4392 4916 RdrCEF.exe 91 PID 4916 wrote to memory of 4392 4916 RdrCEF.exe 91 PID 4916 wrote to memory of 4392 4916 RdrCEF.exe 91 PID 4916 wrote to memory of 4392 4916 RdrCEF.exe 91 PID 4916 wrote to memory of 4392 4916 RdrCEF.exe 91 PID 4916 wrote to memory of 1116 4916 RdrCEF.exe 92 PID 4916 wrote to memory of 1116 4916 RdrCEF.exe 92 PID 4916 wrote to memory of 1116 4916 RdrCEF.exe 92 PID 4916 wrote to memory of 1116 4916 RdrCEF.exe 92 PID 4916 wrote to memory of 1116 4916 RdrCEF.exe 92 PID 4916 wrote to memory of 1116 4916 RdrCEF.exe 92 PID 4916 wrote to memory of 1116 4916 RdrCEF.exe 92 PID 4916 wrote to memory of 1116 4916 RdrCEF.exe 92 PID 4916 wrote to memory of 1116 4916 RdrCEF.exe 92 PID 4916 wrote to memory of 1116 4916 RdrCEF.exe 92 PID 4916 wrote to memory of 1116 4916 RdrCEF.exe 92 PID 4916 wrote to memory of 1116 4916 RdrCEF.exe 92 PID 4916 wrote to memory of 1116 4916 RdrCEF.exe 92 PID 4916 wrote to memory of 1116 4916 RdrCEF.exe 92 PID 4916 wrote to memory of 1116 4916 RdrCEF.exe 92 PID 4916 wrote to memory of 1116 4916 RdrCEF.exe 92 PID 4916 wrote to memory of 1116 4916 RdrCEF.exe 92 PID 4916 wrote to memory of 1116 4916 RdrCEF.exe 92 PID 4916 wrote to memory of 1116 4916 RdrCEF.exe 92 PID 4916 wrote to memory of 1116 4916 RdrCEF.exe 92
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\b44b5cd4691af4de1808f5594fae111c.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:3252 -
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:4916 -
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=4E90B7EAB3B2DBC1775C2F0858DA4640 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4392
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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=80445E1CD71381176B2524F26BFE34DC --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=80445E1CD71381176B2524F26BFE34DC --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:13⤵PID:1116
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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=8A69CCD1C008D66DDBA08CCBFC044C20 --mojo-platform-channel-handle=2348 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3324
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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=7F0B639CF0F018ACA817FB7D22F07712 --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=7F0B639CF0F018ACA817FB7D22F07712 --renderer-client-id=5 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job /prefetch:13⤵PID:1136
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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=D30BC269469A33BBE793D81948612369 --mojo-platform-channel-handle=2544 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3972
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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=B4E3E4EFB612AE0A6AE6DE86C071BE39 --mojo-platform-channel-handle=2856 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4832
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4728
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD586aa28512b9ea44265fff19db98b9e9c
SHA1ec38cdcc58967b2a18da54a85d93c3441cd3538e
SHA256f8f6bd341d400723a64d09ad4bd76b580422b1418c81bd85eda53de2b6ba4444
SHA512661be81795ada49113ff3d7ce4038060b1adac4e29bba9da2212f34cc7699f110153170c76b9459793abafb455eed28e0470de77290ca21bd0b2af233a157730
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5