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Analysis
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max time kernel
148s -
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
22/12/2023, 03:22
Behavioral task
behavioral1
Sample
5a432d8569c6949c716821aa235b6e9e.pdf
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
5a432d8569c6949c716821aa235b6e9e.pdf
Resource
win10v2004-20231215-en
General
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Target
5a432d8569c6949c716821aa235b6e9e.pdf
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Size
46KB
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MD5
5a432d8569c6949c716821aa235b6e9e
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SHA1
d286f8ca7dba9d3c4895050c9f1b3229d04b1d65
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SHA256
ebb3c560eabde5fb2ea48b8ebb2f8abdb1bc0ccdfb82c54ed8a9c350b00f7e24
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SHA512
6c7a188006d2c230e63c8bc2e3deecfe7882315b606150957e6d1d37a208b6835be16312119d86026933e8406db3b8d0014e292bfa2e4b5cd1a9fbc3177b7597
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SSDEEP
768:jKnqClbPPdNVcs4zqzhVnLX6YytL1WhOUnnD7/Xtkc9tljAshRVDaV:jKDHNxHdVnL7y91GLHftlDBAsj4V
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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 4064 AcroRd32.exe 4064 AcroRd32.exe 4064 AcroRd32.exe 4064 AcroRd32.exe 4064 AcroRd32.exe 4064 AcroRd32.exe 4064 AcroRd32.exe 4064 AcroRd32.exe 4064 AcroRd32.exe 4064 AcroRd32.exe 4064 AcroRd32.exe 4064 AcroRd32.exe 4064 AcroRd32.exe 4064 AcroRd32.exe 4064 AcroRd32.exe 4064 AcroRd32.exe 4064 AcroRd32.exe 4064 AcroRd32.exe 4064 AcroRd32.exe 4064 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4064 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4064 AcroRd32.exe 4064 AcroRd32.exe 4064 AcroRd32.exe 4064 AcroRd32.exe 4064 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4064 wrote to memory of 2344 4064 AcroRd32.exe 91 PID 4064 wrote to memory of 2344 4064 AcroRd32.exe 91 PID 4064 wrote to memory of 2344 4064 AcroRd32.exe 91 PID 2344 wrote to memory of 1916 2344 RdrCEF.exe 93 PID 2344 wrote to memory of 1916 2344 RdrCEF.exe 93 PID 2344 wrote to memory of 1916 2344 RdrCEF.exe 93 PID 2344 wrote to memory of 1916 2344 RdrCEF.exe 93 PID 2344 wrote to memory of 1916 2344 RdrCEF.exe 93 PID 2344 wrote to memory of 1916 2344 RdrCEF.exe 93 PID 2344 wrote to memory of 1916 2344 RdrCEF.exe 93 PID 2344 wrote to memory of 1916 2344 RdrCEF.exe 93 PID 2344 wrote to memory of 1916 2344 RdrCEF.exe 93 PID 2344 wrote to memory of 1916 2344 RdrCEF.exe 93 PID 2344 wrote to memory of 1916 2344 RdrCEF.exe 93 PID 2344 wrote to memory of 1916 2344 RdrCEF.exe 93 PID 2344 wrote to memory of 1916 2344 RdrCEF.exe 93 PID 2344 wrote to memory of 1916 2344 RdrCEF.exe 93 PID 2344 wrote to memory of 1916 2344 RdrCEF.exe 93 PID 2344 wrote to memory of 1916 2344 RdrCEF.exe 93 PID 2344 wrote to memory of 1916 2344 RdrCEF.exe 93 PID 2344 wrote to memory of 1916 2344 RdrCEF.exe 93 PID 2344 wrote to memory of 1916 2344 RdrCEF.exe 93 PID 2344 wrote to memory of 1916 2344 RdrCEF.exe 93 PID 2344 wrote to memory of 1916 2344 RdrCEF.exe 93 PID 2344 wrote to memory of 1916 2344 RdrCEF.exe 93 PID 2344 wrote to memory of 1916 2344 RdrCEF.exe 93 PID 2344 wrote to memory of 1916 2344 RdrCEF.exe 93 PID 2344 wrote to memory of 1916 2344 RdrCEF.exe 93 PID 2344 wrote to memory of 1916 2344 RdrCEF.exe 93 PID 2344 wrote to memory of 1916 2344 RdrCEF.exe 93 PID 2344 wrote to memory of 1916 2344 RdrCEF.exe 93 PID 2344 wrote to memory of 1916 2344 RdrCEF.exe 93 PID 2344 wrote to memory of 1916 2344 RdrCEF.exe 93 PID 2344 wrote to memory of 1916 2344 RdrCEF.exe 93 PID 2344 wrote to memory of 1916 2344 RdrCEF.exe 93 PID 2344 wrote to memory of 1916 2344 RdrCEF.exe 93 PID 2344 wrote to memory of 1916 2344 RdrCEF.exe 93 PID 2344 wrote to memory of 1916 2344 RdrCEF.exe 93 PID 2344 wrote to memory of 1916 2344 RdrCEF.exe 93 PID 2344 wrote to memory of 1916 2344 RdrCEF.exe 93 PID 2344 wrote to memory of 1916 2344 RdrCEF.exe 93 PID 2344 wrote to memory of 1916 2344 RdrCEF.exe 93 PID 2344 wrote to memory of 1916 2344 RdrCEF.exe 93 PID 2344 wrote to memory of 1916 2344 RdrCEF.exe 93 PID 2344 wrote to memory of 1308 2344 RdrCEF.exe 92 PID 2344 wrote to memory of 1308 2344 RdrCEF.exe 92 PID 2344 wrote to memory of 1308 2344 RdrCEF.exe 92 PID 2344 wrote to memory of 1308 2344 RdrCEF.exe 92 PID 2344 wrote to memory of 1308 2344 RdrCEF.exe 92 PID 2344 wrote to memory of 1308 2344 RdrCEF.exe 92 PID 2344 wrote to memory of 1308 2344 RdrCEF.exe 92 PID 2344 wrote to memory of 1308 2344 RdrCEF.exe 92 PID 2344 wrote to memory of 1308 2344 RdrCEF.exe 92 PID 2344 wrote to memory of 1308 2344 RdrCEF.exe 92 PID 2344 wrote to memory of 1308 2344 RdrCEF.exe 92 PID 2344 wrote to memory of 1308 2344 RdrCEF.exe 92 PID 2344 wrote to memory of 1308 2344 RdrCEF.exe 92 PID 2344 wrote to memory of 1308 2344 RdrCEF.exe 92 PID 2344 wrote to memory of 1308 2344 RdrCEF.exe 92 PID 2344 wrote to memory of 1308 2344 RdrCEF.exe 92 PID 2344 wrote to memory of 1308 2344 RdrCEF.exe 92 PID 2344 wrote to memory of 1308 2344 RdrCEF.exe 92 PID 2344 wrote to memory of 1308 2344 RdrCEF.exe 92 PID 2344 wrote to memory of 1308 2344 RdrCEF.exe 92
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\5a432d8569c6949c716821aa235b6e9e.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:4064 -
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:2344 -
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=A1948762CF41494DD80749490261BADD --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=A1948762CF41494DD80749490261BADD --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:13⤵PID:1308
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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=43E56200CBFCD44D11B09F37808F19C7 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1916
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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=B253C7BAE2B5302038CDE0FE1D7B34DB --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1196
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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=49B89BDA3E8328BC0B6DAC5E6DDDD46F --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4380
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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=25256F0819B6E9257E5FD94F7E5B9D80 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2260
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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=8B6BF00CE7F8962CFEDE391E6E2058A5 --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=8B6BF00CE7F8962CFEDE391E6E2058A5 --renderer-client-id=8 --mojo-platform-channel-handle=1844 --allow-no-sandbox-job /prefetch:13⤵PID:2268
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4624
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD5df65cc85a7e9e788c4f4ea76a8758699
SHA10920ca4ff3c180de01064ce3295ef28c078ae6f4
SHA2566cb069c151bf5080678da9e40ca3fc2cc66c6f55232fee00c6c7bd0083e15c45
SHA512d6e0bc9c98b3a9723fc08ce4f9b7a05193d12dc06da76c88ab85f7a64ce481c16c411d545d7dddbefe770dfdffbf71b9ae38d05744ac5b3106185a60c99344f3
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Filesize
56KB
MD5c26ed30e7d5ab440480838636efc41db
SHA1c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591
SHA2566a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef
SHA51296cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5