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Analysis
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max time kernel
169s -
max time network
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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, 06:09
Behavioral task
behavioral1
Sample
2b4359f53e0b37f55bb14796e8419245.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2b4359f53e0b37f55bb14796e8419245.pdf
Resource
win10v2004-20231215-en
General
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Target
2b4359f53e0b37f55bb14796e8419245.pdf
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Size
71KB
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MD5
2b4359f53e0b37f55bb14796e8419245
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SHA1
ef1c086de45b61665ee6b777c5725440e8f00e40
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SHA256
f9eccd82a40b03afa093c887b3efde9207918b864ab703017243fa88c4e12c5e
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SHA512
622a8952bf4f477ffb32f4af04bb8c6006af23e7ee5f5dee2556b909d1124f4907b0b2d705aeb6ac2db3defe4ff79fde3ba5965bee705f1a17dd4acfa64b142c
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SSDEEP
1536:J/tMld2WTZRQk726awr28lw3ysNV38yP+/A/QsikNsmeWOpOaZEWoPtzbWn0:9tAldWEawrnky8Vs2Vp3ymzaZklzf
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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 416 AcroRd32.exe 416 AcroRd32.exe 416 AcroRd32.exe 416 AcroRd32.exe 416 AcroRd32.exe 416 AcroRd32.exe 416 AcroRd32.exe 416 AcroRd32.exe 416 AcroRd32.exe 416 AcroRd32.exe 416 AcroRd32.exe 416 AcroRd32.exe 416 AcroRd32.exe 416 AcroRd32.exe 416 AcroRd32.exe 416 AcroRd32.exe 416 AcroRd32.exe 416 AcroRd32.exe 416 AcroRd32.exe 416 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 416 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 416 AcroRd32.exe 416 AcroRd32.exe 416 AcroRd32.exe 416 AcroRd32.exe 416 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 416 wrote to memory of 4804 416 AcroRd32.exe 93 PID 416 wrote to memory of 4804 416 AcroRd32.exe 93 PID 416 wrote to memory of 4804 416 AcroRd32.exe 93 PID 4804 wrote to memory of 5036 4804 RdrCEF.exe 97 PID 4804 wrote to memory of 5036 4804 RdrCEF.exe 97 PID 4804 wrote to memory of 5036 4804 RdrCEF.exe 97 PID 4804 wrote to memory of 5036 4804 RdrCEF.exe 97 PID 4804 wrote to memory of 5036 4804 RdrCEF.exe 97 PID 4804 wrote to memory of 5036 4804 RdrCEF.exe 97 PID 4804 wrote to memory of 5036 4804 RdrCEF.exe 97 PID 4804 wrote to memory of 5036 4804 RdrCEF.exe 97 PID 4804 wrote to memory of 5036 4804 RdrCEF.exe 97 PID 4804 wrote to memory of 5036 4804 RdrCEF.exe 97 PID 4804 wrote to memory of 5036 4804 RdrCEF.exe 97 PID 4804 wrote to memory of 5036 4804 RdrCEF.exe 97 PID 4804 wrote to memory of 5036 4804 RdrCEF.exe 97 PID 4804 wrote to memory of 5036 4804 RdrCEF.exe 97 PID 4804 wrote to memory of 5036 4804 RdrCEF.exe 97 PID 4804 wrote to memory of 5036 4804 RdrCEF.exe 97 PID 4804 wrote to memory of 5036 4804 RdrCEF.exe 97 PID 4804 wrote to memory of 5036 4804 RdrCEF.exe 97 PID 4804 wrote to memory of 5036 4804 RdrCEF.exe 97 PID 4804 wrote to memory of 5036 4804 RdrCEF.exe 97 PID 4804 wrote to memory of 5036 4804 RdrCEF.exe 97 PID 4804 wrote to memory of 5036 4804 RdrCEF.exe 97 PID 4804 wrote to memory of 5036 4804 RdrCEF.exe 97 PID 4804 wrote to memory of 5036 4804 RdrCEF.exe 97 PID 4804 wrote to memory of 5036 4804 RdrCEF.exe 97 PID 4804 wrote to memory of 5036 4804 RdrCEF.exe 97 PID 4804 wrote to memory of 5036 4804 RdrCEF.exe 97 PID 4804 wrote to memory of 5036 4804 RdrCEF.exe 97 PID 4804 wrote to memory of 5036 4804 RdrCEF.exe 97 PID 4804 wrote to memory of 5036 4804 RdrCEF.exe 97 PID 4804 wrote to memory of 5036 4804 RdrCEF.exe 97 PID 4804 wrote to memory of 5036 4804 RdrCEF.exe 97 PID 4804 wrote to memory of 5036 4804 RdrCEF.exe 97 PID 4804 wrote to memory of 5036 4804 RdrCEF.exe 97 PID 4804 wrote to memory of 5036 4804 RdrCEF.exe 97 PID 4804 wrote to memory of 5036 4804 RdrCEF.exe 97 PID 4804 wrote to memory of 5036 4804 RdrCEF.exe 97 PID 4804 wrote to memory of 5036 4804 RdrCEF.exe 97 PID 4804 wrote to memory of 5036 4804 RdrCEF.exe 97 PID 4804 wrote to memory of 5036 4804 RdrCEF.exe 97 PID 4804 wrote to memory of 5036 4804 RdrCEF.exe 97 PID 4804 wrote to memory of 3748 4804 RdrCEF.exe 98 PID 4804 wrote to memory of 3748 4804 RdrCEF.exe 98 PID 4804 wrote to memory of 3748 4804 RdrCEF.exe 98 PID 4804 wrote to memory of 3748 4804 RdrCEF.exe 98 PID 4804 wrote to memory of 3748 4804 RdrCEF.exe 98 PID 4804 wrote to memory of 3748 4804 RdrCEF.exe 98 PID 4804 wrote to memory of 3748 4804 RdrCEF.exe 98 PID 4804 wrote to memory of 3748 4804 RdrCEF.exe 98 PID 4804 wrote to memory of 3748 4804 RdrCEF.exe 98 PID 4804 wrote to memory of 3748 4804 RdrCEF.exe 98 PID 4804 wrote to memory of 3748 4804 RdrCEF.exe 98 PID 4804 wrote to memory of 3748 4804 RdrCEF.exe 98 PID 4804 wrote to memory of 3748 4804 RdrCEF.exe 98 PID 4804 wrote to memory of 3748 4804 RdrCEF.exe 98 PID 4804 wrote to memory of 3748 4804 RdrCEF.exe 98 PID 4804 wrote to memory of 3748 4804 RdrCEF.exe 98 PID 4804 wrote to memory of 3748 4804 RdrCEF.exe 98 PID 4804 wrote to memory of 3748 4804 RdrCEF.exe 98 PID 4804 wrote to memory of 3748 4804 RdrCEF.exe 98 PID 4804 wrote to memory of 3748 4804 RdrCEF.exe 98
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\2b4359f53e0b37f55bb14796e8419245.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:416 -
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:4804 -
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=EF7F29F2960B31E6962DED21B40F0911 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:5036
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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=AA9DEF33FC7A35146569B62A87561D36 --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=AA9DEF33FC7A35146569B62A87561D36 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:13⤵PID:3748
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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=6B425EAB4518CD577BD3B3435DF24C43 --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=6B425EAB4518CD577BD3B3435DF24C43 --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:13⤵PID:4568
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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=96B04681718C7F2017040868DC6319CE --mojo-platform-channel-handle=1804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3044
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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=498A44396C72572A83AB312338DE0872 --mojo-platform-channel-handle=2584 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2252
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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=321274DFFBE40FED5E94BCFD84B0D7CD --mojo-platform-channel-handle=1864 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1680
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:2548
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD54995121db2d03c6c71a15d3c7e3613ed
SHA1de0011aef8fb6c96682f2f912f2eaae94c824b45
SHA25694c38b5be3dfc9fdb2cb67c8750f87096b3fc592828569a710d3935a499b74d7
SHA512fbff2b3ef67244c6ec35820bdaa7863f5f31f63ecad397268c71d80f1b18a4d762b3e8faa10cbb1028805900c114afa9fa83cc26794461add5046b916282a8e9
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5