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Analysis
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max time kernel
142s -
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
10/01/2024, 04:51
Behavioral task
behavioral1
Sample
4fa16888d7d1377596c617b5ca568ec0.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
4fa16888d7d1377596c617b5ca568ec0.pdf
Resource
win10v2004-20231215-en
General
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Target
4fa16888d7d1377596c617b5ca568ec0.pdf
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Size
35KB
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MD5
4fa16888d7d1377596c617b5ca568ec0
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SHA1
e5aa11ede7a0e7315bde22ba43369ba2a69437c3
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SHA256
cb3ae841660edf6054c205b347d040dd95721dce2392957c0d78d87b7355180e
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SHA512
54e7d5b2fce9e00b799cf5e7341b2310e195169d4ccbffa8bf5ca7c16f7b21dd7df2aa5bf7f176c5b3a99ceafc345ecac5b357740a78d4ae453d6ca7654ddd8c
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SSDEEP
768:BQMXD6+k9GlvQYLBR3rBPo5DGFzSD51V2DPvD5EoKO+AbRX+HbvC:BQM+0LBR7BPoJdD51APvD6ybRXcbvC
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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 4732 AcroRd32.exe 4732 AcroRd32.exe 4732 AcroRd32.exe 4732 AcroRd32.exe 4732 AcroRd32.exe 4732 AcroRd32.exe 4732 AcroRd32.exe 4732 AcroRd32.exe 4732 AcroRd32.exe 4732 AcroRd32.exe 4732 AcroRd32.exe 4732 AcroRd32.exe 4732 AcroRd32.exe 4732 AcroRd32.exe 4732 AcroRd32.exe 4732 AcroRd32.exe 4732 AcroRd32.exe 4732 AcroRd32.exe 4732 AcroRd32.exe 4732 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4732 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4732 AcroRd32.exe 4732 AcroRd32.exe 4732 AcroRd32.exe 4732 AcroRd32.exe 4732 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4732 wrote to memory of 2612 4732 AcroRd32.exe 92 PID 4732 wrote to memory of 2612 4732 AcroRd32.exe 92 PID 4732 wrote to memory of 2612 4732 AcroRd32.exe 92 PID 2612 wrote to memory of 1004 2612 RdrCEF.exe 94 PID 2612 wrote to memory of 1004 2612 RdrCEF.exe 94 PID 2612 wrote to memory of 1004 2612 RdrCEF.exe 94 PID 2612 wrote to memory of 1004 2612 RdrCEF.exe 94 PID 2612 wrote to memory of 1004 2612 RdrCEF.exe 94 PID 2612 wrote to memory of 1004 2612 RdrCEF.exe 94 PID 2612 wrote to memory of 1004 2612 RdrCEF.exe 94 PID 2612 wrote to memory of 1004 2612 RdrCEF.exe 94 PID 2612 wrote to memory of 1004 2612 RdrCEF.exe 94 PID 2612 wrote to memory of 1004 2612 RdrCEF.exe 94 PID 2612 wrote to memory of 1004 2612 RdrCEF.exe 94 PID 2612 wrote to memory of 1004 2612 RdrCEF.exe 94 PID 2612 wrote to memory of 1004 2612 RdrCEF.exe 94 PID 2612 wrote to memory of 1004 2612 RdrCEF.exe 94 PID 2612 wrote to memory of 1004 2612 RdrCEF.exe 94 PID 2612 wrote to memory of 1004 2612 RdrCEF.exe 94 PID 2612 wrote to memory of 1004 2612 RdrCEF.exe 94 PID 2612 wrote to memory of 1004 2612 RdrCEF.exe 94 PID 2612 wrote to memory of 1004 2612 RdrCEF.exe 94 PID 2612 wrote to memory of 1004 2612 RdrCEF.exe 94 PID 2612 wrote to memory of 1004 2612 RdrCEF.exe 94 PID 2612 wrote to memory of 1004 2612 RdrCEF.exe 94 PID 2612 wrote to memory of 1004 2612 RdrCEF.exe 94 PID 2612 wrote to memory of 1004 2612 RdrCEF.exe 94 PID 2612 wrote to memory of 1004 2612 RdrCEF.exe 94 PID 2612 wrote to memory of 1004 2612 RdrCEF.exe 94 PID 2612 wrote to memory of 1004 2612 RdrCEF.exe 94 PID 2612 wrote to memory of 1004 2612 RdrCEF.exe 94 PID 2612 wrote to memory of 1004 2612 RdrCEF.exe 94 PID 2612 wrote to memory of 1004 2612 RdrCEF.exe 94 PID 2612 wrote to memory of 1004 2612 RdrCEF.exe 94 PID 2612 wrote to memory of 1004 2612 RdrCEF.exe 94 PID 2612 wrote to memory of 1004 2612 RdrCEF.exe 94 PID 2612 wrote to memory of 1004 2612 RdrCEF.exe 94 PID 2612 wrote to memory of 1004 2612 RdrCEF.exe 94 PID 2612 wrote to memory of 1004 2612 RdrCEF.exe 94 PID 2612 wrote to memory of 1004 2612 RdrCEF.exe 94 PID 2612 wrote to memory of 1004 2612 RdrCEF.exe 94 PID 2612 wrote to memory of 1004 2612 RdrCEF.exe 94 PID 2612 wrote to memory of 1004 2612 RdrCEF.exe 94 PID 2612 wrote to memory of 1004 2612 RdrCEF.exe 94 PID 2612 wrote to memory of 4744 2612 RdrCEF.exe 93 PID 2612 wrote to memory of 4744 2612 RdrCEF.exe 93 PID 2612 wrote to memory of 4744 2612 RdrCEF.exe 93 PID 2612 wrote to memory of 4744 2612 RdrCEF.exe 93 PID 2612 wrote to memory of 4744 2612 RdrCEF.exe 93 PID 2612 wrote to memory of 4744 2612 RdrCEF.exe 93 PID 2612 wrote to memory of 4744 2612 RdrCEF.exe 93 PID 2612 wrote to memory of 4744 2612 RdrCEF.exe 93 PID 2612 wrote to memory of 4744 2612 RdrCEF.exe 93 PID 2612 wrote to memory of 4744 2612 RdrCEF.exe 93 PID 2612 wrote to memory of 4744 2612 RdrCEF.exe 93 PID 2612 wrote to memory of 4744 2612 RdrCEF.exe 93 PID 2612 wrote to memory of 4744 2612 RdrCEF.exe 93 PID 2612 wrote to memory of 4744 2612 RdrCEF.exe 93 PID 2612 wrote to memory of 4744 2612 RdrCEF.exe 93 PID 2612 wrote to memory of 4744 2612 RdrCEF.exe 93 PID 2612 wrote to memory of 4744 2612 RdrCEF.exe 93 PID 2612 wrote to memory of 4744 2612 RdrCEF.exe 93 PID 2612 wrote to memory of 4744 2612 RdrCEF.exe 93 PID 2612 wrote to memory of 4744 2612 RdrCEF.exe 93
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\4fa16888d7d1377596c617b5ca568ec0.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:4732 -
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:2612 -
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=65A149B7D57DDFCDDA3535655BC59541 --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=65A149B7D57DDFCDDA3535655BC59541 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:13⤵PID:4744
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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=31F8CC9194DB03A33AD0F0967980546A --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1004
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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=ECF9E4D31409E5E5201992AB9328BF45 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2900
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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=90AFC9F3FC274AB8A62B1E03C85CF1AB --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=90AFC9F3FC274AB8A62B1E03C85CF1AB --renderer-client-id=5 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job /prefetch:13⤵PID:408
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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=9F0E4DF1E9DEAE56B7EBDBB1F389BBD7 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:844
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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=DA59AF825D8C7A7497C5A70688C6322D --mojo-platform-channel-handle=2716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1176
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
3KB
MD5f5b1f25b865454b039f2a476172f7840
SHA1a6a3f37e67066cc69378022b07bd1b5329d9da2c
SHA256814512b8b5faf528943e5816d9d99c0dcdf3cdf07096b7266ca2d7d74d9e20cd
SHA51260ede8a757f279ec048ce839aa4365bf6e1d35b4468780fbc51ff8ddf334278b19242a3b92791d00ab66dfc23a122c6a1f9ce3da69c736a48b2b9d47929a8984
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5