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Analysis
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max time kernel
150s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
12/03/2024, 14:47
Behavioral task
behavioral1
Sample
c3a20ae3cabaeb70d6353b2ed29fa5d9.pdf
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
c3a20ae3cabaeb70d6353b2ed29fa5d9.pdf
Resource
win10v2004-20240226-en
General
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Target
c3a20ae3cabaeb70d6353b2ed29fa5d9.pdf
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Size
34KB
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MD5
c3a20ae3cabaeb70d6353b2ed29fa5d9
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SHA1
959d09bc7d9813d61d204ea00985c30203f0a613
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SHA256
b4446491e99b2a4b8d87f02b9df45eaac7259c314f330dd9c798ec602782fe4a
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SHA512
c856368fcd4eaa4f7fb69529e9ea97ef9221a06009dab8db4109419af6a0f7a614061a0059d57ed6d731239feb6ba3d1f5206bdc301c5aab79e35f5e29c7eafa
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SSDEEP
768:jzw4Ck1JvhLk9wv7t7keVn9j1dU9WA1RM6efjGh2x:jzLCEJ5wChIaRdwWf82x
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-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 880 AcroRd32.exe 880 AcroRd32.exe 880 AcroRd32.exe 880 AcroRd32.exe 880 AcroRd32.exe 880 AcroRd32.exe 880 AcroRd32.exe 880 AcroRd32.exe 880 AcroRd32.exe 880 AcroRd32.exe 880 AcroRd32.exe 880 AcroRd32.exe 880 AcroRd32.exe 880 AcroRd32.exe 880 AcroRd32.exe 880 AcroRd32.exe 880 AcroRd32.exe 880 AcroRd32.exe 880 AcroRd32.exe 880 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 880 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 880 AcroRd32.exe 880 AcroRd32.exe 880 AcroRd32.exe 880 AcroRd32.exe 880 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 880 wrote to memory of 2796 880 AcroRd32.exe 92 PID 880 wrote to memory of 2796 880 AcroRd32.exe 92 PID 880 wrote to memory of 2796 880 AcroRd32.exe 92 PID 2796 wrote to memory of 2052 2796 RdrCEF.exe 93 PID 2796 wrote to memory of 2052 2796 RdrCEF.exe 93 PID 2796 wrote to memory of 2052 2796 RdrCEF.exe 93 PID 2796 wrote to memory of 2052 2796 RdrCEF.exe 93 PID 2796 wrote to memory of 2052 2796 RdrCEF.exe 93 PID 2796 wrote to memory of 2052 2796 RdrCEF.exe 93 PID 2796 wrote to memory of 2052 2796 RdrCEF.exe 93 PID 2796 wrote to memory of 2052 2796 RdrCEF.exe 93 PID 2796 wrote to memory of 2052 2796 RdrCEF.exe 93 PID 2796 wrote to memory of 2052 2796 RdrCEF.exe 93 PID 2796 wrote to memory of 2052 2796 RdrCEF.exe 93 PID 2796 wrote to memory of 2052 2796 RdrCEF.exe 93 PID 2796 wrote to memory of 2052 2796 RdrCEF.exe 93 PID 2796 wrote to memory of 2052 2796 RdrCEF.exe 93 PID 2796 wrote to memory of 2052 2796 RdrCEF.exe 93 PID 2796 wrote to memory of 2052 2796 RdrCEF.exe 93 PID 2796 wrote to memory of 2052 2796 RdrCEF.exe 93 PID 2796 wrote to memory of 2052 2796 RdrCEF.exe 93 PID 2796 wrote to memory of 2052 2796 RdrCEF.exe 93 PID 2796 wrote to memory of 2052 2796 RdrCEF.exe 93 PID 2796 wrote to memory of 2052 2796 RdrCEF.exe 93 PID 2796 wrote to memory of 2052 2796 RdrCEF.exe 93 PID 2796 wrote to memory of 2052 2796 RdrCEF.exe 93 PID 2796 wrote to memory of 2052 2796 RdrCEF.exe 93 PID 2796 wrote to memory of 2052 2796 RdrCEF.exe 93 PID 2796 wrote to memory of 2052 2796 RdrCEF.exe 93 PID 2796 wrote to memory of 2052 2796 RdrCEF.exe 93 PID 2796 wrote to memory of 2052 2796 RdrCEF.exe 93 PID 2796 wrote to memory of 2052 2796 RdrCEF.exe 93 PID 2796 wrote to memory of 2052 2796 RdrCEF.exe 93 PID 2796 wrote to memory of 2052 2796 RdrCEF.exe 93 PID 2796 wrote to memory of 2052 2796 RdrCEF.exe 93 PID 2796 wrote to memory of 2052 2796 RdrCEF.exe 93 PID 2796 wrote to memory of 2052 2796 RdrCEF.exe 93 PID 2796 wrote to memory of 2052 2796 RdrCEF.exe 93 PID 2796 wrote to memory of 2052 2796 RdrCEF.exe 93 PID 2796 wrote to memory of 2052 2796 RdrCEF.exe 93 PID 2796 wrote to memory of 2052 2796 RdrCEF.exe 93 PID 2796 wrote to memory of 2052 2796 RdrCEF.exe 93 PID 2796 wrote to memory of 2052 2796 RdrCEF.exe 93 PID 2796 wrote to memory of 2052 2796 RdrCEF.exe 93 PID 2796 wrote to memory of 1608 2796 RdrCEF.exe 94 PID 2796 wrote to memory of 1608 2796 RdrCEF.exe 94 PID 2796 wrote to memory of 1608 2796 RdrCEF.exe 94 PID 2796 wrote to memory of 1608 2796 RdrCEF.exe 94 PID 2796 wrote to memory of 1608 2796 RdrCEF.exe 94 PID 2796 wrote to memory of 1608 2796 RdrCEF.exe 94 PID 2796 wrote to memory of 1608 2796 RdrCEF.exe 94 PID 2796 wrote to memory of 1608 2796 RdrCEF.exe 94 PID 2796 wrote to memory of 1608 2796 RdrCEF.exe 94 PID 2796 wrote to memory of 1608 2796 RdrCEF.exe 94 PID 2796 wrote to memory of 1608 2796 RdrCEF.exe 94 PID 2796 wrote to memory of 1608 2796 RdrCEF.exe 94 PID 2796 wrote to memory of 1608 2796 RdrCEF.exe 94 PID 2796 wrote to memory of 1608 2796 RdrCEF.exe 94 PID 2796 wrote to memory of 1608 2796 RdrCEF.exe 94 PID 2796 wrote to memory of 1608 2796 RdrCEF.exe 94 PID 2796 wrote to memory of 1608 2796 RdrCEF.exe 94 PID 2796 wrote to memory of 1608 2796 RdrCEF.exe 94 PID 2796 wrote to memory of 1608 2796 RdrCEF.exe 94 PID 2796 wrote to memory of 1608 2796 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\c3a20ae3cabaeb70d6353b2ed29fa5d9.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:880 -
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:2796 -
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=5C668E7588F0E967225A9B23DBBE57FD --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2052
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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=9D0A77DB9CC94AF1C640C45BE8A4194C --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=9D0A77DB9CC94AF1C640C45BE8A4194C --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:13⤵PID:1608
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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=DFD1B03EDCBBF863773AF65F9289E707 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1324
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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=C69C969DC54950C144C005E8B039DFEF --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=C69C969DC54950C144C005E8B039DFEF --renderer-client-id=5 --mojo-platform-channel-handle=1968 --allow-no-sandbox-job /prefetch:13⤵PID:4860
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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=CA1F6DAEDAECB99A331E8C508F0AA38E --mojo-platform-channel-handle=2480 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2696
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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=975AC671B9384C7277ABDDD09E0D46AC --mojo-platform-channel-handle=1972 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2600
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:3184
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD54635ac25c4d085804e36a9516c10a866
SHA1cbd6f270f1de155ff496eb1ca26ac10fff75abc5
SHA256d1175c5f7c3556bd9e3ebf8ede75b632f2513ae927a3542d140ca0a109de6ce9
SHA512be43282983022c15d4e0708f4830f5e087086202f200fbf5bd9ead889b64c107ac6003056540ae6bef0631b25315b203578b693fa2546161979c72bb34fa97c8
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5