Analysis
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max time kernel
144s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
25-01-2024 16:21
Behavioral task
behavioral1
Sample
74f4dbb2d167d50f53d5a6c7ee3ac214.pdf
Resource
win7-20231215-en
General
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Target
74f4dbb2d167d50f53d5a6c7ee3ac214.pdf
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Size
106KB
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MD5
74f4dbb2d167d50f53d5a6c7ee3ac214
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SHA1
e4efbba77398e744cd1d1d6995d74525763280ec
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SHA256
d7d97b7b188231a16cb2ed0b77dac84e7e83354a21fc2d7166a85bf36b8f148c
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SHA512
fa83057e92fe521f5e3fe7e3954bcc64957d859225ececb0e27a169dcae2e0f6bf5863385935a095809085ee36ee4c7b45c5a98d75ad4c100f0c3bc75f96f1d4
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SSDEEP
3072:BbHr5tdRqmVhAk+xnWLeEfCErWJsTPiFl7JW8nFT:RTpYxWLHfCEqGmFlz
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.
Processes:
AcroRd32.exedescription 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 -
Processes:
AcroRd32.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
AcroRd32.exepid process 3940 AcroRd32.exe 3940 AcroRd32.exe 3940 AcroRd32.exe 3940 AcroRd32.exe 3940 AcroRd32.exe 3940 AcroRd32.exe 3940 AcroRd32.exe 3940 AcroRd32.exe 3940 AcroRd32.exe 3940 AcroRd32.exe 3940 AcroRd32.exe 3940 AcroRd32.exe 3940 AcroRd32.exe 3940 AcroRd32.exe 3940 AcroRd32.exe 3940 AcroRd32.exe 3940 AcroRd32.exe 3940 AcroRd32.exe 3940 AcroRd32.exe 3940 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
AcroRd32.exepid process 3940 AcroRd32.exe 3940 AcroRd32.exe 3940 AcroRd32.exe 3940 AcroRd32.exe 3940 AcroRd32.exe 3940 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 3940 wrote to memory of 5128 3940 AcroRd32.exe RdrCEF.exe PID 3940 wrote to memory of 5128 3940 AcroRd32.exe RdrCEF.exe PID 3940 wrote to memory of 5128 3940 AcroRd32.exe RdrCEF.exe PID 5128 wrote to memory of 4012 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 4012 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 4012 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 4012 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 4012 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 4012 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 4012 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 4012 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 4012 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 4012 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 4012 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 4012 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 4012 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 4012 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 4012 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 4012 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 4012 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 4012 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 4012 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 4012 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 4012 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 4012 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 4012 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 4012 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 4012 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 4012 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 4012 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 4012 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 4012 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 4012 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 4012 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 4012 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 4012 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 4012 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 4012 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 4012 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 4012 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 4012 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 4012 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 4012 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 4012 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 6088 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 6088 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 6088 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 6088 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 6088 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 6088 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 6088 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 6088 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 6088 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 6088 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 6088 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 6088 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 6088 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 6088 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 6088 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 6088 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 6088 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 6088 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 6088 5128 RdrCEF.exe RdrCEF.exe PID 5128 wrote to memory of 6088 5128 RdrCEF.exe RdrCEF.exe
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\74f4dbb2d167d50f53d5a6c7ee3ac214.pdf"1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3940 -
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:5128 -
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=995951D21DDEF79060C6FBF95BB55DDF --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=995951D21DDEF79060C6FBF95BB55DDF --renderer-client-id=2 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job /prefetch:13⤵PID:6088
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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=C0D9753B41727A6C13E44E1E7AE03CA2 --mojo-platform-channel-handle=1716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4012
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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=214F3C38DE996C637DC57D9823FC7276 --mojo-platform-channel-handle=2280 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3936
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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=3A0AB6CAAEC2E5E848C701248B635ECC --mojo-platform-channel-handle=2392 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1032
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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=A7FE77DE14E02E96548FFE6D946E8C99 --mojo-platform-channel-handle=1692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3800
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:60
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessagesFilesize
64KB
MD502876c737de4182e6d00aaf446339b8e
SHA19f95119f44369b5e13182e62c6e7cbb043017c73
SHA2563109533b4042cdbcd9cccd1d521bee9f40db895d6db625d44bc6a69830bcbada
SHA512202c9d09698b4389d557d45426ce47167796c75c16298aa4e4f37d3b759c11cf9b56aa120a5b010e28534c7c3c4c260a90a2ec89d6f17b4aeaddbc3aa4624b62
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C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessagesFilesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessagesFilesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5