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Analysis
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max time kernel
13s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
31/12/2023, 12:51
Behavioral task
behavioral1
Sample
36ca888301db71faea5a3fa2fdb82d38.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
36ca888301db71faea5a3fa2fdb82d38.pdf
Resource
win10v2004-20231222-en
General
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Target
36ca888301db71faea5a3fa2fdb82d38.pdf
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Size
114KB
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MD5
36ca888301db71faea5a3fa2fdb82d38
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SHA1
3969a887af0a6a2c853e60e712d3bc8c8e6380f2
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SHA256
57884b7c62cb3bc58d1e97d2e3a86221258b2ff9334183f18a34dca67a7e2ff1
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SHA512
9a35166d617a7362e99ecc3249e25cf8634c5cf0eb41621c4d9059d46187296ab024a57ea350a388a6a2b7f375446099796d2fd4904c3aef5009cde3b47924e7
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SSDEEP
3072:y+896NuT49ZIFrDOVecy+5IglmDmzVVQ6WCZ:yv96NuTFrM5IyH
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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3192 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 3192 AcroRd32.exe 3192 AcroRd32.exe 3192 AcroRd32.exe 3192 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3192 wrote to memory of 3256 3192 AcroRd32.exe 94 PID 3192 wrote to memory of 3256 3192 AcroRd32.exe 94 PID 3192 wrote to memory of 3256 3192 AcroRd32.exe 94 PID 3256 wrote to memory of 2168 3256 RdrCEF.exe 95 PID 3256 wrote to memory of 2168 3256 RdrCEF.exe 95 PID 3256 wrote to memory of 2168 3256 RdrCEF.exe 95 PID 3256 wrote to memory of 2168 3256 RdrCEF.exe 95 PID 3256 wrote to memory of 2168 3256 RdrCEF.exe 95 PID 3256 wrote to memory of 2168 3256 RdrCEF.exe 95 PID 3256 wrote to memory of 2168 3256 RdrCEF.exe 95 PID 3256 wrote to memory of 2168 3256 RdrCEF.exe 95 PID 3256 wrote to memory of 2168 3256 RdrCEF.exe 95 PID 3256 wrote to memory of 2168 3256 RdrCEF.exe 95 PID 3256 wrote to memory of 2168 3256 RdrCEF.exe 95 PID 3256 wrote to memory of 2168 3256 RdrCEF.exe 95 PID 3256 wrote to memory of 2168 3256 RdrCEF.exe 95 PID 3256 wrote to memory of 2168 3256 RdrCEF.exe 95 PID 3256 wrote to memory of 2168 3256 RdrCEF.exe 95 PID 3256 wrote to memory of 2168 3256 RdrCEF.exe 95 PID 3256 wrote to memory of 2168 3256 RdrCEF.exe 95 PID 3256 wrote to memory of 2168 3256 RdrCEF.exe 95 PID 3256 wrote to memory of 2168 3256 RdrCEF.exe 95 PID 3256 wrote to memory of 2168 3256 RdrCEF.exe 95 PID 3256 wrote to memory of 2168 3256 RdrCEF.exe 95 PID 3256 wrote to memory of 2168 3256 RdrCEF.exe 95 PID 3256 wrote to memory of 2168 3256 RdrCEF.exe 95 PID 3256 wrote to memory of 2168 3256 RdrCEF.exe 95 PID 3256 wrote to memory of 2168 3256 RdrCEF.exe 95 PID 3256 wrote to memory of 2168 3256 RdrCEF.exe 95 PID 3256 wrote to memory of 2168 3256 RdrCEF.exe 95 PID 3256 wrote to memory of 2168 3256 RdrCEF.exe 95 PID 3256 wrote to memory of 2168 3256 RdrCEF.exe 95 PID 3256 wrote to memory of 2168 3256 RdrCEF.exe 95 PID 3256 wrote to memory of 2168 3256 RdrCEF.exe 95 PID 3256 wrote to memory of 2168 3256 RdrCEF.exe 95 PID 3256 wrote to memory of 2168 3256 RdrCEF.exe 95 PID 3256 wrote to memory of 2168 3256 RdrCEF.exe 95 PID 3256 wrote to memory of 2168 3256 RdrCEF.exe 95 PID 3256 wrote to memory of 2168 3256 RdrCEF.exe 95 PID 3256 wrote to memory of 2168 3256 RdrCEF.exe 95 PID 3256 wrote to memory of 2168 3256 RdrCEF.exe 95 PID 3256 wrote to memory of 2168 3256 RdrCEF.exe 95 PID 3256 wrote to memory of 2168 3256 RdrCEF.exe 95 PID 3256 wrote to memory of 2168 3256 RdrCEF.exe 95 PID 3256 wrote to memory of 4128 3256 RdrCEF.exe 96 PID 3256 wrote to memory of 4128 3256 RdrCEF.exe 96 PID 3256 wrote to memory of 4128 3256 RdrCEF.exe 96 PID 3256 wrote to memory of 4128 3256 RdrCEF.exe 96 PID 3256 wrote to memory of 4128 3256 RdrCEF.exe 96 PID 3256 wrote to memory of 4128 3256 RdrCEF.exe 96 PID 3256 wrote to memory of 4128 3256 RdrCEF.exe 96 PID 3256 wrote to memory of 4128 3256 RdrCEF.exe 96 PID 3256 wrote to memory of 4128 3256 RdrCEF.exe 96 PID 3256 wrote to memory of 4128 3256 RdrCEF.exe 96 PID 3256 wrote to memory of 4128 3256 RdrCEF.exe 96 PID 3256 wrote to memory of 4128 3256 RdrCEF.exe 96 PID 3256 wrote to memory of 4128 3256 RdrCEF.exe 96 PID 3256 wrote to memory of 4128 3256 RdrCEF.exe 96 PID 3256 wrote to memory of 4128 3256 RdrCEF.exe 96 PID 3256 wrote to memory of 4128 3256 RdrCEF.exe 96 PID 3256 wrote to memory of 4128 3256 RdrCEF.exe 96 PID 3256 wrote to memory of 4128 3256 RdrCEF.exe 96 PID 3256 wrote to memory of 4128 3256 RdrCEF.exe 96 PID 3256 wrote to memory of 4128 3256 RdrCEF.exe 96
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\36ca888301db71faea5a3fa2fdb82d38.pdf"1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3192 -
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:3256 -
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=62E694B6D5A54E3BA393127F7DC4E5CB --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2168
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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=33CB0BAD96ED7EEABAB9431342D1F580 --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=33CB0BAD96ED7EEABAB9431342D1F580 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:13⤵PID:4128
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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=894C3A850274870B9FB7A008F7F330A8 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1188
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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=862128B4C42FA2EA458AD40D0A097DC2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3460
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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=854913DDB7C66A8015619CD50F0A08B5 --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=854913DDB7C66A8015619CD50F0A08B5 --renderer-client-id=6 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:13⤵PID:3884
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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=F6AD53F1C31FDDC6142DCE1B787FD4D7 --mojo-platform-channel-handle=2752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1944
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4836
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD5d6488177766924ec0acdb3a987fc7350
SHA178ea2faba3a1a7f27880c5abbd4839eab3b43f8f
SHA256314239424b0f9f9746ffc59475d18b8bc5835558ab474bf618b5686dbd636be6
SHA5128cb873947ca59a9d3ad4966af429ac96fd9efad7737c4257144379bfea1c0fcdac5dfc878b074d160f8d6accdd7ec3181bbe9ff57945a6f941acafe96a372a19
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5