Analysis
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max time kernel
141s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
21-04-2024 22:49
Behavioral task
behavioral1
Sample
SN286238-726-240418151315.pdf
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
SN286238-726-240418151315.pdf
Resource
win10v2004-20240412-en
General
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Target
SN286238-726-240418151315.pdf
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Size
27KB
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MD5
6a077aa903ebfa2f5459e7c9caf34b96
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SHA1
bbe3680e558104ed4aa986ef00fedbdf8d56ee79
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SHA256
e4f4a1f57cc25da1c0f2f5e4076ac65ecd2ca9f5ee1d6c13cdbc902e4b7a1354
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SHA512
d338e081c3208870017ea3fd5c8df09bd47971be8da64ecec30dda0aca0550e316f111b648119651e1a2e02c3d088aec79e266a35f4e217b52a28ae0353e8919
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SSDEEP
768:IG4ljDMdslPci5e+17t+GW2A1l74SJhHJM0kf3m/da:I3lGi/CrlsSJZ9kO/da
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.
Processes:
AcroRd32.exedescription 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 -
Processes:
AcroRd32.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
AcroRd32.exepid process 1424 AcroRd32.exe 1424 AcroRd32.exe 1424 AcroRd32.exe 1424 AcroRd32.exe 1424 AcroRd32.exe 1424 AcroRd32.exe 1424 AcroRd32.exe 1424 AcroRd32.exe 1424 AcroRd32.exe 1424 AcroRd32.exe 1424 AcroRd32.exe 1424 AcroRd32.exe 1424 AcroRd32.exe 1424 AcroRd32.exe 1424 AcroRd32.exe 1424 AcroRd32.exe 1424 AcroRd32.exe 1424 AcroRd32.exe 1424 AcroRd32.exe 1424 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 1424 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
AcroRd32.exepid process 1424 AcroRd32.exe 1424 AcroRd32.exe 1424 AcroRd32.exe 1424 AcroRd32.exe 1424 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 1424 wrote to memory of 2584 1424 AcroRd32.exe RdrCEF.exe PID 1424 wrote to memory of 2584 1424 AcroRd32.exe RdrCEF.exe PID 1424 wrote to memory of 2584 1424 AcroRd32.exe RdrCEF.exe PID 2584 wrote to memory of 5080 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 5080 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 5080 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 5080 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 5080 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 5080 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 5080 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 5080 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 5080 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 5080 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 5080 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 5080 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 5080 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 5080 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 5080 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 5080 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 5080 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 5080 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 5080 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 5080 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 5080 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 5080 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 5080 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 5080 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 5080 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 5080 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 5080 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 5080 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 5080 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 5080 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 5080 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 5080 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 5080 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 5080 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 5080 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 5080 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 5080 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 5080 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 5080 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 5080 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 5080 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 4052 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 4052 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 4052 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 4052 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 4052 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 4052 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 4052 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 4052 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 4052 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 4052 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 4052 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 4052 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 4052 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 4052 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 4052 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 4052 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 4052 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 4052 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 4052 2584 RdrCEF.exe RdrCEF.exe PID 2584 wrote to memory of 4052 2584 RdrCEF.exe RdrCEF.exe
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\SN286238-726-240418151315.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:1424 -
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:2584 -
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=0F2E500015222896115BD3A07A4FE176 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:5080
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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=A03A601C2427A2CFFE3F00F405D6C814 --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=A03A601C2427A2CFFE3F00F405D6C814 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:13⤵PID:4052
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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=DFD1257F0EC143F42A048DC4986FD1CC --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1712
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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=E0289E797B8D01F8F1D1A40FC2317540 --mojo-platform-channel-handle=1840 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4680
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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=03B758B52954C9D125399AD8889963D3 --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=03B758B52954C9D125399AD8889963D3 --renderer-client-id=6 --mojo-platform-channel-handle=2536 --allow-no-sandbox-job /prefetch:13⤵PID:4576
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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=02F1D08A3053F5E176511E05EFB0858E --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3968
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:2668
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD5172b7a3e7572dbb997afa6dd28096288
SHA187eb41b1425a7294120093f58d4f5c6b421096f0
SHA256f836d46a5dac3f95782da52350671d9b4469c9de996ee9e9c6e01c524f7dcd8c
SHA512850e2c56b33231f9a8285a57cb3e7cdf06a61f37d47a5e5080522e3935192ccfc6a8f8366a7496088906ecaa0ad80816ce05ea6ffee3f7bd5db0237932c442f6
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5