Analysis
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max time kernel
150s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
08/01/2024, 03:42
Behavioral task
behavioral1
Sample
4a58b7a658a15cdf82abf05090d7a77f.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
4a58b7a658a15cdf82abf05090d7a77f.pdf
Resource
win10v2004-20231215-en
General
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Target
4a58b7a658a15cdf82abf05090d7a77f.pdf
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Size
35KB
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MD5
4a58b7a658a15cdf82abf05090d7a77f
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SHA1
09bd4c0e48472b3f696596ad97319da33bf56824
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SHA256
67013d18ef5a59836faf016ada3263a9805c77995c50e3fd3bdd8d6b8567969a
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SHA512
f1e37d06729be8a1c98fbddd07a442cd435ef7c24611da60b357ed9f246b2b133e9a2732540876772972be6605b142f49609ed7e6c327b74d66fddd8b000a58a
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SSDEEP
768:/OcOqrlee4/R5CIhnnY8R5cL18d9Wgsih+pae9iAoZj7S3eKDt/nFe0nlll9BBOA:/OcOqr8e4/R5CIFRQL18d9WQ8wJIemQ8
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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 2528 AcroRd32.exe 2528 AcroRd32.exe 2528 AcroRd32.exe 2528 AcroRd32.exe 2528 AcroRd32.exe 2528 AcroRd32.exe 2528 AcroRd32.exe 2528 AcroRd32.exe 2528 AcroRd32.exe 2528 AcroRd32.exe 2528 AcroRd32.exe 2528 AcroRd32.exe 2528 AcroRd32.exe 2528 AcroRd32.exe 2528 AcroRd32.exe 2528 AcroRd32.exe 2528 AcroRd32.exe 2528 AcroRd32.exe 2528 AcroRd32.exe 2528 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2528 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 2528 AcroRd32.exe 2528 AcroRd32.exe 2528 AcroRd32.exe 2528 AcroRd32.exe 2528 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2528 wrote to memory of 4520 2528 AcroRd32.exe 93 PID 2528 wrote to memory of 4520 2528 AcroRd32.exe 93 PID 2528 wrote to memory of 4520 2528 AcroRd32.exe 93 PID 4520 wrote to memory of 1696 4520 RdrCEF.exe 96 PID 4520 wrote to memory of 1696 4520 RdrCEF.exe 96 PID 4520 wrote to memory of 1696 4520 RdrCEF.exe 96 PID 4520 wrote to memory of 1696 4520 RdrCEF.exe 96 PID 4520 wrote to memory of 1696 4520 RdrCEF.exe 96 PID 4520 wrote to memory of 1696 4520 RdrCEF.exe 96 PID 4520 wrote to memory of 1696 4520 RdrCEF.exe 96 PID 4520 wrote to memory of 1696 4520 RdrCEF.exe 96 PID 4520 wrote to memory of 1696 4520 RdrCEF.exe 96 PID 4520 wrote to memory of 1696 4520 RdrCEF.exe 96 PID 4520 wrote to memory of 1696 4520 RdrCEF.exe 96 PID 4520 wrote to memory of 1696 4520 RdrCEF.exe 96 PID 4520 wrote to memory of 1696 4520 RdrCEF.exe 96 PID 4520 wrote to memory of 1696 4520 RdrCEF.exe 96 PID 4520 wrote to memory of 1696 4520 RdrCEF.exe 96 PID 4520 wrote to memory of 1696 4520 RdrCEF.exe 96 PID 4520 wrote to memory of 1696 4520 RdrCEF.exe 96 PID 4520 wrote to memory of 1696 4520 RdrCEF.exe 96 PID 4520 wrote to memory of 1696 4520 RdrCEF.exe 96 PID 4520 wrote to memory of 1696 4520 RdrCEF.exe 96 PID 4520 wrote to memory of 1696 4520 RdrCEF.exe 96 PID 4520 wrote to memory of 1696 4520 RdrCEF.exe 96 PID 4520 wrote to memory of 1696 4520 RdrCEF.exe 96 PID 4520 wrote to memory of 1696 4520 RdrCEF.exe 96 PID 4520 wrote to memory of 1696 4520 RdrCEF.exe 96 PID 4520 wrote to memory of 1696 4520 RdrCEF.exe 96 PID 4520 wrote to memory of 1696 4520 RdrCEF.exe 96 PID 4520 wrote to memory of 1696 4520 RdrCEF.exe 96 PID 4520 wrote to memory of 1696 4520 RdrCEF.exe 96 PID 4520 wrote to memory of 1696 4520 RdrCEF.exe 96 PID 4520 wrote to memory of 1696 4520 RdrCEF.exe 96 PID 4520 wrote to memory of 1696 4520 RdrCEF.exe 96 PID 4520 wrote to memory of 1696 4520 RdrCEF.exe 96 PID 4520 wrote to memory of 1696 4520 RdrCEF.exe 96 PID 4520 wrote to memory of 1696 4520 RdrCEF.exe 96 PID 4520 wrote to memory of 1696 4520 RdrCEF.exe 96 PID 4520 wrote to memory of 1696 4520 RdrCEF.exe 96 PID 4520 wrote to memory of 1696 4520 RdrCEF.exe 96 PID 4520 wrote to memory of 1696 4520 RdrCEF.exe 96 PID 4520 wrote to memory of 1696 4520 RdrCEF.exe 96 PID 4520 wrote to memory of 1696 4520 RdrCEF.exe 96 PID 4520 wrote to memory of 2372 4520 RdrCEF.exe 97 PID 4520 wrote to memory of 2372 4520 RdrCEF.exe 97 PID 4520 wrote to memory of 2372 4520 RdrCEF.exe 97 PID 4520 wrote to memory of 2372 4520 RdrCEF.exe 97 PID 4520 wrote to memory of 2372 4520 RdrCEF.exe 97 PID 4520 wrote to memory of 2372 4520 RdrCEF.exe 97 PID 4520 wrote to memory of 2372 4520 RdrCEF.exe 97 PID 4520 wrote to memory of 2372 4520 RdrCEF.exe 97 PID 4520 wrote to memory of 2372 4520 RdrCEF.exe 97 PID 4520 wrote to memory of 2372 4520 RdrCEF.exe 97 PID 4520 wrote to memory of 2372 4520 RdrCEF.exe 97 PID 4520 wrote to memory of 2372 4520 RdrCEF.exe 97 PID 4520 wrote to memory of 2372 4520 RdrCEF.exe 97 PID 4520 wrote to memory of 2372 4520 RdrCEF.exe 97 PID 4520 wrote to memory of 2372 4520 RdrCEF.exe 97 PID 4520 wrote to memory of 2372 4520 RdrCEF.exe 97 PID 4520 wrote to memory of 2372 4520 RdrCEF.exe 97 PID 4520 wrote to memory of 2372 4520 RdrCEF.exe 97 PID 4520 wrote to memory of 2372 4520 RdrCEF.exe 97 PID 4520 wrote to memory of 2372 4520 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\4a58b7a658a15cdf82abf05090d7a77f.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:2528 -
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:4520 -
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=CBB2C20DF670D9FB204782B3196F16A0 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1696
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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=BD2940DBADC4610B26630068CD6DF775 --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=BD2940DBADC4610B26630068CD6DF775 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:13⤵PID:2372
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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=ECED84E9CB1F0BFACE16911D62D0F71F --mojo-platform-channel-handle=2188 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4832
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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=0CC107BDC5C36CBA801A26BA2A3317AD --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=0CC107BDC5C36CBA801A26BA2A3317AD --renderer-client-id=5 --mojo-platform-channel-handle=1972 --allow-no-sandbox-job /prefetch:13⤵PID:4600
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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=B3992F47675489E3112ED86640169451 --mojo-platform-channel-handle=2708 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4608
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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=7ED0E770F2D23800E9D48E4F2D821F67 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4588
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:3456
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD54f36a27066ec3de3c5e3784dd601e120
SHA1be051efb9cc3863cbeeebbb51c5ccce91bd51e09
SHA256d8f44acb6e696e6f99b8cb3cd7343fab6f82bcb8bb59a8f19f63812e3a14b439
SHA512d222bf45660297d74a25e007afb9c936343ba71950a079327a96cb6f8862afad749de1c06a271e19772f6d262b989a36ff74fbed0b1224a674c6b7193ad7dd74
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5