Analysis
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max time kernel
169s -
max time network
163s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
19/12/2023, 22:03
Behavioral task
behavioral1
Sample
b0642755dbf0c2c2b6def359f64aa278.pdf
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
b0642755dbf0c2c2b6def359f64aa278.pdf
Resource
win10v2004-20231215-en
General
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Target
b0642755dbf0c2c2b6def359f64aa278.pdf
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Size
75KB
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MD5
b0642755dbf0c2c2b6def359f64aa278
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SHA1
352a619067bfbf869056d340c066d31de2f5a43f
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SHA256
42d6a3d4779bc22a470ee3b2f6d6ffbb39a01658eda001e95d4f613cde65a609
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SHA512
98be29f6794eb4c797ea69926bfbb04d79d4173fc1beddfb578cbd40a2b814d1f7113ca44092fb333fad420db808c4ede13aa1731baaf833dcee18db104a9cf7
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SSDEEP
1536:kQXcUIKGEsYOY+R0xgYm4NJdNq/P1T95hICWwaG/WZxnczqKW8pO7WtL:5Xg4FmoDNq/PoCWwriwqR78
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 4040 AcroRd32.exe 4040 AcroRd32.exe 4040 AcroRd32.exe 4040 AcroRd32.exe 4040 AcroRd32.exe 4040 AcroRd32.exe 4040 AcroRd32.exe 4040 AcroRd32.exe 4040 AcroRd32.exe 4040 AcroRd32.exe 4040 AcroRd32.exe 4040 AcroRd32.exe 4040 AcroRd32.exe 4040 AcroRd32.exe 4040 AcroRd32.exe 4040 AcroRd32.exe 4040 AcroRd32.exe 4040 AcroRd32.exe 4040 AcroRd32.exe 4040 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4040 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4040 AcroRd32.exe 4040 AcroRd32.exe 4040 AcroRd32.exe 4040 AcroRd32.exe 4040 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4040 wrote to memory of 3120 4040 AcroRd32.exe 92 PID 4040 wrote to memory of 3120 4040 AcroRd32.exe 92 PID 4040 wrote to memory of 3120 4040 AcroRd32.exe 92 PID 3120 wrote to memory of 1544 3120 RdrCEF.exe 93 PID 3120 wrote to memory of 1544 3120 RdrCEF.exe 93 PID 3120 wrote to memory of 1544 3120 RdrCEF.exe 93 PID 3120 wrote to memory of 1544 3120 RdrCEF.exe 93 PID 3120 wrote to memory of 1544 3120 RdrCEF.exe 93 PID 3120 wrote to memory of 1544 3120 RdrCEF.exe 93 PID 3120 wrote to memory of 1544 3120 RdrCEF.exe 93 PID 3120 wrote to memory of 1544 3120 RdrCEF.exe 93 PID 3120 wrote to memory of 1544 3120 RdrCEF.exe 93 PID 3120 wrote to memory of 1544 3120 RdrCEF.exe 93 PID 3120 wrote to memory of 1544 3120 RdrCEF.exe 93 PID 3120 wrote to memory of 1544 3120 RdrCEF.exe 93 PID 3120 wrote to memory of 1544 3120 RdrCEF.exe 93 PID 3120 wrote to memory of 1544 3120 RdrCEF.exe 93 PID 3120 wrote to memory of 1544 3120 RdrCEF.exe 93 PID 3120 wrote to memory of 1544 3120 RdrCEF.exe 93 PID 3120 wrote to memory of 1544 3120 RdrCEF.exe 93 PID 3120 wrote to memory of 1544 3120 RdrCEF.exe 93 PID 3120 wrote to memory of 1544 3120 RdrCEF.exe 93 PID 3120 wrote to memory of 1544 3120 RdrCEF.exe 93 PID 3120 wrote to memory of 1544 3120 RdrCEF.exe 93 PID 3120 wrote to memory of 1544 3120 RdrCEF.exe 93 PID 3120 wrote to memory of 1544 3120 RdrCEF.exe 93 PID 3120 wrote to memory of 1544 3120 RdrCEF.exe 93 PID 3120 wrote to memory of 1544 3120 RdrCEF.exe 93 PID 3120 wrote to memory of 1544 3120 RdrCEF.exe 93 PID 3120 wrote to memory of 1544 3120 RdrCEF.exe 93 PID 3120 wrote to memory of 1544 3120 RdrCEF.exe 93 PID 3120 wrote to memory of 1544 3120 RdrCEF.exe 93 PID 3120 wrote to memory of 1544 3120 RdrCEF.exe 93 PID 3120 wrote to memory of 1544 3120 RdrCEF.exe 93 PID 3120 wrote to memory of 1544 3120 RdrCEF.exe 93 PID 3120 wrote to memory of 1544 3120 RdrCEF.exe 93 PID 3120 wrote to memory of 1544 3120 RdrCEF.exe 93 PID 3120 wrote to memory of 1544 3120 RdrCEF.exe 93 PID 3120 wrote to memory of 1544 3120 RdrCEF.exe 93 PID 3120 wrote to memory of 1544 3120 RdrCEF.exe 93 PID 3120 wrote to memory of 1544 3120 RdrCEF.exe 93 PID 3120 wrote to memory of 1544 3120 RdrCEF.exe 93 PID 3120 wrote to memory of 1544 3120 RdrCEF.exe 93 PID 3120 wrote to memory of 1544 3120 RdrCEF.exe 93 PID 3120 wrote to memory of 1928 3120 RdrCEF.exe 94 PID 3120 wrote to memory of 1928 3120 RdrCEF.exe 94 PID 3120 wrote to memory of 1928 3120 RdrCEF.exe 94 PID 3120 wrote to memory of 1928 3120 RdrCEF.exe 94 PID 3120 wrote to memory of 1928 3120 RdrCEF.exe 94 PID 3120 wrote to memory of 1928 3120 RdrCEF.exe 94 PID 3120 wrote to memory of 1928 3120 RdrCEF.exe 94 PID 3120 wrote to memory of 1928 3120 RdrCEF.exe 94 PID 3120 wrote to memory of 1928 3120 RdrCEF.exe 94 PID 3120 wrote to memory of 1928 3120 RdrCEF.exe 94 PID 3120 wrote to memory of 1928 3120 RdrCEF.exe 94 PID 3120 wrote to memory of 1928 3120 RdrCEF.exe 94 PID 3120 wrote to memory of 1928 3120 RdrCEF.exe 94 PID 3120 wrote to memory of 1928 3120 RdrCEF.exe 94 PID 3120 wrote to memory of 1928 3120 RdrCEF.exe 94 PID 3120 wrote to memory of 1928 3120 RdrCEF.exe 94 PID 3120 wrote to memory of 1928 3120 RdrCEF.exe 94 PID 3120 wrote to memory of 1928 3120 RdrCEF.exe 94 PID 3120 wrote to memory of 1928 3120 RdrCEF.exe 94 PID 3120 wrote to memory of 1928 3120 RdrCEF.exe 94
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\b0642755dbf0c2c2b6def359f64aa278.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:4040 -
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:3120 -
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=C2960E1DAC21E9BBC37C0347C1DBF346 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1544
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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=059B9259254CFC396B46A58EDD72A673 --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=059B9259254CFC396B46A58EDD72A673 --renderer-client-id=2 --mojo-platform-channel-handle=1796 --allow-no-sandbox-job /prefetch:13⤵PID:1928
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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=0FDC8C92D14C114D7F785004A3128441 --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=0FDC8C92D14C114D7F785004A3128441 --renderer-client-id=4 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:13⤵PID:4908
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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=A91B1E1F9B1981CE842138D278ABCCB6 --mojo-platform-channel-handle=2600 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4956
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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=0B95D413DE353A9442813520034001CE --mojo-platform-channel-handle=2028 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4540
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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=49149D88739D08061026B8DFC60C98E4 --mojo-platform-channel-handle=2704 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:232
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:1824
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD59dd25a8e291462b2f69dd6807a51bd5b
SHA1d7000ef23d84340824aaa347271a48f15b65569b
SHA25673f26a67c8930f797e0a53ceac80579a574547f1d3f667baf4b73d0b57ee5f56
SHA51290cbce3ec63c71c6a04ac2187b5d0c872ba43c4f05460a29b035509396b4d9e21726ffb1c78509c4467ae69604a87d4c4e32c76b764298106f6748853f6bfcae
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5