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Analysis
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max time kernel
159s -
max time network
173s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
31/12/2023, 14:41
Behavioral task
behavioral1
Sample
3a21b7d5ea8cbe89abd9f0e64bbbbaa6.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
3a21b7d5ea8cbe89abd9f0e64bbbbaa6.pdf
Resource
win10v2004-20231215-en
General
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Target
3a21b7d5ea8cbe89abd9f0e64bbbbaa6.pdf
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Size
82KB
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MD5
3a21b7d5ea8cbe89abd9f0e64bbbbaa6
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SHA1
8c97a57377532143adac480223f5c29b26a51b74
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SHA256
568851c8ca61760b9302454df6989ae833611af8a1160567a97a69d2b1ad03c3
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SHA512
fafefedcd5ee38e71e6e2402814c0f766f02a2ca67f0ae1a1893da40ccfc42b3373590cfe6d4f0fd2fcb496424a6ba32c344050b827dd796b89f38cee9d44b04
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SSDEEP
1536:d3x4kzc0lzisk0xSzqy46M/e4Jnvr3ZBWkNpOPT9ZWfRWF0VGTyFgqgqMK:O07k0xSWZ6M/xn7ZKPT9ZWfb82FgqT
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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 1212 AcroRd32.exe 1212 AcroRd32.exe 1212 AcroRd32.exe 1212 AcroRd32.exe 1212 AcroRd32.exe 1212 AcroRd32.exe 1212 AcroRd32.exe 1212 AcroRd32.exe 1212 AcroRd32.exe 1212 AcroRd32.exe 1212 AcroRd32.exe 1212 AcroRd32.exe 1212 AcroRd32.exe 1212 AcroRd32.exe 1212 AcroRd32.exe 1212 AcroRd32.exe 1212 AcroRd32.exe 1212 AcroRd32.exe 1212 AcroRd32.exe 1212 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1212 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 1212 AcroRd32.exe 1212 AcroRd32.exe 1212 AcroRd32.exe 1212 AcroRd32.exe 1212 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1212 wrote to memory of 1676 1212 AcroRd32.exe 93 PID 1212 wrote to memory of 1676 1212 AcroRd32.exe 93 PID 1212 wrote to memory of 1676 1212 AcroRd32.exe 93 PID 1676 wrote to memory of 4972 1676 RdrCEF.exe 96 PID 1676 wrote to memory of 4972 1676 RdrCEF.exe 96 PID 1676 wrote to memory of 4972 1676 RdrCEF.exe 96 PID 1676 wrote to memory of 4972 1676 RdrCEF.exe 96 PID 1676 wrote to memory of 4972 1676 RdrCEF.exe 96 PID 1676 wrote to memory of 4972 1676 RdrCEF.exe 96 PID 1676 wrote to memory of 4972 1676 RdrCEF.exe 96 PID 1676 wrote to memory of 4972 1676 RdrCEF.exe 96 PID 1676 wrote to memory of 4972 1676 RdrCEF.exe 96 PID 1676 wrote to memory of 4972 1676 RdrCEF.exe 96 PID 1676 wrote to memory of 4972 1676 RdrCEF.exe 96 PID 1676 wrote to memory of 4972 1676 RdrCEF.exe 96 PID 1676 wrote to memory of 4972 1676 RdrCEF.exe 96 PID 1676 wrote to memory of 4972 1676 RdrCEF.exe 96 PID 1676 wrote to memory of 4972 1676 RdrCEF.exe 96 PID 1676 wrote to memory of 4972 1676 RdrCEF.exe 96 PID 1676 wrote to memory of 4972 1676 RdrCEF.exe 96 PID 1676 wrote to memory of 4972 1676 RdrCEF.exe 96 PID 1676 wrote to memory of 4972 1676 RdrCEF.exe 96 PID 1676 wrote to memory of 4972 1676 RdrCEF.exe 96 PID 1676 wrote to memory of 4972 1676 RdrCEF.exe 96 PID 1676 wrote to memory of 4972 1676 RdrCEF.exe 96 PID 1676 wrote to memory of 4972 1676 RdrCEF.exe 96 PID 1676 wrote to memory of 4972 1676 RdrCEF.exe 96 PID 1676 wrote to memory of 4972 1676 RdrCEF.exe 96 PID 1676 wrote to memory of 4972 1676 RdrCEF.exe 96 PID 1676 wrote to memory of 4972 1676 RdrCEF.exe 96 PID 1676 wrote to memory of 4972 1676 RdrCEF.exe 96 PID 1676 wrote to memory of 4972 1676 RdrCEF.exe 96 PID 1676 wrote to memory of 4972 1676 RdrCEF.exe 96 PID 1676 wrote to memory of 4972 1676 RdrCEF.exe 96 PID 1676 wrote to memory of 4972 1676 RdrCEF.exe 96 PID 1676 wrote to memory of 4972 1676 RdrCEF.exe 96 PID 1676 wrote to memory of 4972 1676 RdrCEF.exe 96 PID 1676 wrote to memory of 4972 1676 RdrCEF.exe 96 PID 1676 wrote to memory of 4972 1676 RdrCEF.exe 96 PID 1676 wrote to memory of 4972 1676 RdrCEF.exe 96 PID 1676 wrote to memory of 4972 1676 RdrCEF.exe 96 PID 1676 wrote to memory of 4972 1676 RdrCEF.exe 96 PID 1676 wrote to memory of 4972 1676 RdrCEF.exe 96 PID 1676 wrote to memory of 4972 1676 RdrCEF.exe 96 PID 1676 wrote to memory of 3496 1676 RdrCEF.exe 97 PID 1676 wrote to memory of 3496 1676 RdrCEF.exe 97 PID 1676 wrote to memory of 3496 1676 RdrCEF.exe 97 PID 1676 wrote to memory of 3496 1676 RdrCEF.exe 97 PID 1676 wrote to memory of 3496 1676 RdrCEF.exe 97 PID 1676 wrote to memory of 3496 1676 RdrCEF.exe 97 PID 1676 wrote to memory of 3496 1676 RdrCEF.exe 97 PID 1676 wrote to memory of 3496 1676 RdrCEF.exe 97 PID 1676 wrote to memory of 3496 1676 RdrCEF.exe 97 PID 1676 wrote to memory of 3496 1676 RdrCEF.exe 97 PID 1676 wrote to memory of 3496 1676 RdrCEF.exe 97 PID 1676 wrote to memory of 3496 1676 RdrCEF.exe 97 PID 1676 wrote to memory of 3496 1676 RdrCEF.exe 97 PID 1676 wrote to memory of 3496 1676 RdrCEF.exe 97 PID 1676 wrote to memory of 3496 1676 RdrCEF.exe 97 PID 1676 wrote to memory of 3496 1676 RdrCEF.exe 97 PID 1676 wrote to memory of 3496 1676 RdrCEF.exe 97 PID 1676 wrote to memory of 3496 1676 RdrCEF.exe 97 PID 1676 wrote to memory of 3496 1676 RdrCEF.exe 97 PID 1676 wrote to memory of 3496 1676 RdrCEF.exe 97
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\3a21b7d5ea8cbe89abd9f0e64bbbbaa6.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:1212 -
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:1676 -
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=35C261EAEED7143656D749AB4C4775CC --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4972
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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=97AFBF075422A6F646977F8C7F898F83 --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=97AFBF075422A6F646977F8C7F898F83 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:13⤵PID:3496
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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=FAB56809CE34A20097023D23B38DF78F --mojo-platform-channel-handle=2188 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3404
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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=3C4688947A411F268EEDFD4C56CB59B8 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2732
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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=17F6BDC5453FD72F6AB50211C85A3EB2 --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=17F6BDC5453FD72F6AB50211C85A3EB2 --renderer-client-id=6 --mojo-platform-channel-handle=2444 --allow-no-sandbox-job /prefetch:13⤵PID:3228
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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=32A72A845299151A78118519FBDE80B6 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4968
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD52a5907ff13902729f48afc31f4523572
SHA14a9af255c5f21e7f46415062746fc6daebc379d7
SHA25614ab4d45938d94b10c5742a838d5f1d008baea69af235e853536b931bc5a0139
SHA512e9a1fafc09fa61684a042cdea8832c1faf190fbda86e012eda6bb10d2484da66a3854fdc7611e3362f918dbe9d6b0af0f307a150bcc68f0c7bc268bd15f29d9c
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5