Analysis
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max time kernel
141s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
07/03/2024, 20:54
Behavioral task
behavioral1
Sample
b9a2661431dbe4824af1954b5dfa25f7.pdf
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
b9a2661431dbe4824af1954b5dfa25f7.pdf
Resource
win10v2004-20231215-en
General
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Target
b9a2661431dbe4824af1954b5dfa25f7.pdf
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Size
83KB
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MD5
b9a2661431dbe4824af1954b5dfa25f7
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SHA1
29dc26846df604b8b852db5e8e26144206b444b2
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SHA256
b4cb539ff6396552955aeb01a253490153a2d324d71ed4216fb198787c5ac232
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SHA512
faff847268c2bffdecc2b86a4df3bccc44c3418a70db6c6b91bbd7507368d0904c7da3f7c4634472ec79c1cdb2aa444f772fb37b211d5a55454cdf84912619aa
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SSDEEP
1536:mIwBskEtekP3hj+OmReL3MCvHu2I8TEpYlF52ACWHpOvv72r62ZAWgrAZsLLto6j:6BskE73h6zRQ3MB8TEpYlFsACvTqvZe9
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 4092 AcroRd32.exe 4092 AcroRd32.exe 4092 AcroRd32.exe 4092 AcroRd32.exe 4092 AcroRd32.exe 4092 AcroRd32.exe 4092 AcroRd32.exe 4092 AcroRd32.exe 4092 AcroRd32.exe 4092 AcroRd32.exe 4092 AcroRd32.exe 4092 AcroRd32.exe 4092 AcroRd32.exe 4092 AcroRd32.exe 4092 AcroRd32.exe 4092 AcroRd32.exe 4092 AcroRd32.exe 4092 AcroRd32.exe 4092 AcroRd32.exe 4092 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4092 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4092 AcroRd32.exe 4092 AcroRd32.exe 4092 AcroRd32.exe 4092 AcroRd32.exe 4092 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4092 wrote to memory of 3420 4092 AcroRd32.exe 86 PID 4092 wrote to memory of 3420 4092 AcroRd32.exe 86 PID 4092 wrote to memory of 3420 4092 AcroRd32.exe 86 PID 3420 wrote to memory of 3652 3420 RdrCEF.exe 87 PID 3420 wrote to memory of 3652 3420 RdrCEF.exe 87 PID 3420 wrote to memory of 3652 3420 RdrCEF.exe 87 PID 3420 wrote to memory of 3652 3420 RdrCEF.exe 87 PID 3420 wrote to memory of 3652 3420 RdrCEF.exe 87 PID 3420 wrote to memory of 3652 3420 RdrCEF.exe 87 PID 3420 wrote to memory of 3652 3420 RdrCEF.exe 87 PID 3420 wrote to memory of 3652 3420 RdrCEF.exe 87 PID 3420 wrote to memory of 3652 3420 RdrCEF.exe 87 PID 3420 wrote to memory of 3652 3420 RdrCEF.exe 87 PID 3420 wrote to memory of 3652 3420 RdrCEF.exe 87 PID 3420 wrote to memory of 3652 3420 RdrCEF.exe 87 PID 3420 wrote to memory of 3652 3420 RdrCEF.exe 87 PID 3420 wrote to memory of 3652 3420 RdrCEF.exe 87 PID 3420 wrote to memory of 3652 3420 RdrCEF.exe 87 PID 3420 wrote to memory of 3652 3420 RdrCEF.exe 87 PID 3420 wrote to memory of 3652 3420 RdrCEF.exe 87 PID 3420 wrote to memory of 3652 3420 RdrCEF.exe 87 PID 3420 wrote to memory of 3652 3420 RdrCEF.exe 87 PID 3420 wrote to memory of 3652 3420 RdrCEF.exe 87 PID 3420 wrote to memory of 3652 3420 RdrCEF.exe 87 PID 3420 wrote to memory of 3652 3420 RdrCEF.exe 87 PID 3420 wrote to memory of 3652 3420 RdrCEF.exe 87 PID 3420 wrote to memory of 3652 3420 RdrCEF.exe 87 PID 3420 wrote to memory of 3652 3420 RdrCEF.exe 87 PID 3420 wrote to memory of 3652 3420 RdrCEF.exe 87 PID 3420 wrote to memory of 3652 3420 RdrCEF.exe 87 PID 3420 wrote to memory of 3652 3420 RdrCEF.exe 87 PID 3420 wrote to memory of 3652 3420 RdrCEF.exe 87 PID 3420 wrote to memory of 3652 3420 RdrCEF.exe 87 PID 3420 wrote to memory of 3652 3420 RdrCEF.exe 87 PID 3420 wrote to memory of 3652 3420 RdrCEF.exe 87 PID 3420 wrote to memory of 3652 3420 RdrCEF.exe 87 PID 3420 wrote to memory of 3652 3420 RdrCEF.exe 87 PID 3420 wrote to memory of 3652 3420 RdrCEF.exe 87 PID 3420 wrote to memory of 3652 3420 RdrCEF.exe 87 PID 3420 wrote to memory of 3652 3420 RdrCEF.exe 87 PID 3420 wrote to memory of 3652 3420 RdrCEF.exe 87 PID 3420 wrote to memory of 3652 3420 RdrCEF.exe 87 PID 3420 wrote to memory of 3652 3420 RdrCEF.exe 87 PID 3420 wrote to memory of 3652 3420 RdrCEF.exe 87 PID 3420 wrote to memory of 1436 3420 RdrCEF.exe 88 PID 3420 wrote to memory of 1436 3420 RdrCEF.exe 88 PID 3420 wrote to memory of 1436 3420 RdrCEF.exe 88 PID 3420 wrote to memory of 1436 3420 RdrCEF.exe 88 PID 3420 wrote to memory of 1436 3420 RdrCEF.exe 88 PID 3420 wrote to memory of 1436 3420 RdrCEF.exe 88 PID 3420 wrote to memory of 1436 3420 RdrCEF.exe 88 PID 3420 wrote to memory of 1436 3420 RdrCEF.exe 88 PID 3420 wrote to memory of 1436 3420 RdrCEF.exe 88 PID 3420 wrote to memory of 1436 3420 RdrCEF.exe 88 PID 3420 wrote to memory of 1436 3420 RdrCEF.exe 88 PID 3420 wrote to memory of 1436 3420 RdrCEF.exe 88 PID 3420 wrote to memory of 1436 3420 RdrCEF.exe 88 PID 3420 wrote to memory of 1436 3420 RdrCEF.exe 88 PID 3420 wrote to memory of 1436 3420 RdrCEF.exe 88 PID 3420 wrote to memory of 1436 3420 RdrCEF.exe 88 PID 3420 wrote to memory of 1436 3420 RdrCEF.exe 88 PID 3420 wrote to memory of 1436 3420 RdrCEF.exe 88 PID 3420 wrote to memory of 1436 3420 RdrCEF.exe 88 PID 3420 wrote to memory of 1436 3420 RdrCEF.exe 88
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\b9a2661431dbe4824af1954b5dfa25f7.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:4092 -
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:3420 -
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=D6377083E2C56E1D571AB8DB8D13E6D3 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3652
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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=541120C0DAA5AAB59000F66CE0854275 --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=541120C0DAA5AAB59000F66CE0854275 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:13⤵PID:1436
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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=93325351760D8B6C5A7D19F943E4E9DC --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4300
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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=5EE5A5252D39BB98523AB1C8B400A53D --mojo-platform-channel-handle=1912 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2752
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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=6CB6398A6EF98A5150C91913224705D0 --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=6CB6398A6EF98A5150C91913224705D0 --renderer-client-id=6 --mojo-platform-channel-handle=2388 --allow-no-sandbox-job /prefetch:13⤵PID:4236
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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=DAFAEC1632744F42BE25DAEB84E9A146 --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3112
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:2944
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD558ed5f7691a95be251e9cd7cf266eb8c
SHA14a3db900eec1607d050eab2f4e1d01c619317ae6
SHA256da112cb3867a22b72886ba6bcb71100f0e05de66be7ae0fc5a7617a6bd521fc3
SHA5128890fc455ea9af8a6013cd2c5acb9feaf8d265a0019ba79c6f5c283fceaf61dc90ad00336696fa0bb1e36d389f013e9a92c932ad3b211a5a63d2cc1fb96afbb1
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5