Analysis
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max time kernel
143s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
30/12/2023, 03:00
Behavioral task
behavioral1
Sample
0c5a4f5c33d92ccc21859ba335b01d7b.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
0c5a4f5c33d92ccc21859ba335b01d7b.pdf
Resource
win10v2004-20231222-en
General
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Target
0c5a4f5c33d92ccc21859ba335b01d7b.pdf
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Size
76KB
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MD5
0c5a4f5c33d92ccc21859ba335b01d7b
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SHA1
2993e23d3a6b0b34cd3655899124ee4dcb97fd3c
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SHA256
48cdb2496bda1693a77544bda5e7c8e60f0e6ee4ba46f05fcb0a152ad460667f
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SHA512
b12268b09b57e19fd539ba50dec9448fd60189c7988159c408f02d7b695256b24fee3c500dffac3427c5ae42d133f861ff64e0d13f04dd57f9f7fca60bcb4c86
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SSDEEP
1536:4sYqexsXE7dqrGAVp8ETipbttsRMrQxBjPJzzM:4qMeE5qrGAVGET0rkBd0
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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 4580 AcroRd32.exe 4580 AcroRd32.exe 4580 AcroRd32.exe 4580 AcroRd32.exe 4580 AcroRd32.exe 4580 AcroRd32.exe 4580 AcroRd32.exe 4580 AcroRd32.exe 4580 AcroRd32.exe 4580 AcroRd32.exe 4580 AcroRd32.exe 4580 AcroRd32.exe 4580 AcroRd32.exe 4580 AcroRd32.exe 4580 AcroRd32.exe 4580 AcroRd32.exe 4580 AcroRd32.exe 4580 AcroRd32.exe 4580 AcroRd32.exe 4580 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4580 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4580 AcroRd32.exe 4580 AcroRd32.exe 4580 AcroRd32.exe 4580 AcroRd32.exe 4580 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4580 wrote to memory of 4372 4580 AcroRd32.exe 96 PID 4580 wrote to memory of 4372 4580 AcroRd32.exe 96 PID 4580 wrote to memory of 4372 4580 AcroRd32.exe 96 PID 4372 wrote to memory of 4784 4372 RdrCEF.exe 97 PID 4372 wrote to memory of 4784 4372 RdrCEF.exe 97 PID 4372 wrote to memory of 4784 4372 RdrCEF.exe 97 PID 4372 wrote to memory of 4784 4372 RdrCEF.exe 97 PID 4372 wrote to memory of 4784 4372 RdrCEF.exe 97 PID 4372 wrote to memory of 4784 4372 RdrCEF.exe 97 PID 4372 wrote to memory of 4784 4372 RdrCEF.exe 97 PID 4372 wrote to memory of 4784 4372 RdrCEF.exe 97 PID 4372 wrote to memory of 4784 4372 RdrCEF.exe 97 PID 4372 wrote to memory of 4784 4372 RdrCEF.exe 97 PID 4372 wrote to memory of 4784 4372 RdrCEF.exe 97 PID 4372 wrote to memory of 4784 4372 RdrCEF.exe 97 PID 4372 wrote to memory of 4784 4372 RdrCEF.exe 97 PID 4372 wrote to memory of 4784 4372 RdrCEF.exe 97 PID 4372 wrote to memory of 4784 4372 RdrCEF.exe 97 PID 4372 wrote to memory of 4784 4372 RdrCEF.exe 97 PID 4372 wrote to memory of 4784 4372 RdrCEF.exe 97 PID 4372 wrote to memory of 4784 4372 RdrCEF.exe 97 PID 4372 wrote to memory of 4784 4372 RdrCEF.exe 97 PID 4372 wrote to memory of 4784 4372 RdrCEF.exe 97 PID 4372 wrote to memory of 4784 4372 RdrCEF.exe 97 PID 4372 wrote to memory of 4784 4372 RdrCEF.exe 97 PID 4372 wrote to memory of 4784 4372 RdrCEF.exe 97 PID 4372 wrote to memory of 4784 4372 RdrCEF.exe 97 PID 4372 wrote to memory of 4784 4372 RdrCEF.exe 97 PID 4372 wrote to memory of 4784 4372 RdrCEF.exe 97 PID 4372 wrote to memory of 4784 4372 RdrCEF.exe 97 PID 4372 wrote to memory of 4784 4372 RdrCEF.exe 97 PID 4372 wrote to memory of 4784 4372 RdrCEF.exe 97 PID 4372 wrote to memory of 4784 4372 RdrCEF.exe 97 PID 4372 wrote to memory of 4784 4372 RdrCEF.exe 97 PID 4372 wrote to memory of 4784 4372 RdrCEF.exe 97 PID 4372 wrote to memory of 4784 4372 RdrCEF.exe 97 PID 4372 wrote to memory of 4784 4372 RdrCEF.exe 97 PID 4372 wrote to memory of 4784 4372 RdrCEF.exe 97 PID 4372 wrote to memory of 4784 4372 RdrCEF.exe 97 PID 4372 wrote to memory of 4784 4372 RdrCEF.exe 97 PID 4372 wrote to memory of 4784 4372 RdrCEF.exe 97 PID 4372 wrote to memory of 4784 4372 RdrCEF.exe 97 PID 4372 wrote to memory of 4784 4372 RdrCEF.exe 97 PID 4372 wrote to memory of 4784 4372 RdrCEF.exe 97 PID 4372 wrote to memory of 3796 4372 RdrCEF.exe 98 PID 4372 wrote to memory of 3796 4372 RdrCEF.exe 98 PID 4372 wrote to memory of 3796 4372 RdrCEF.exe 98 PID 4372 wrote to memory of 3796 4372 RdrCEF.exe 98 PID 4372 wrote to memory of 3796 4372 RdrCEF.exe 98 PID 4372 wrote to memory of 3796 4372 RdrCEF.exe 98 PID 4372 wrote to memory of 3796 4372 RdrCEF.exe 98 PID 4372 wrote to memory of 3796 4372 RdrCEF.exe 98 PID 4372 wrote to memory of 3796 4372 RdrCEF.exe 98 PID 4372 wrote to memory of 3796 4372 RdrCEF.exe 98 PID 4372 wrote to memory of 3796 4372 RdrCEF.exe 98 PID 4372 wrote to memory of 3796 4372 RdrCEF.exe 98 PID 4372 wrote to memory of 3796 4372 RdrCEF.exe 98 PID 4372 wrote to memory of 3796 4372 RdrCEF.exe 98 PID 4372 wrote to memory of 3796 4372 RdrCEF.exe 98 PID 4372 wrote to memory of 3796 4372 RdrCEF.exe 98 PID 4372 wrote to memory of 3796 4372 RdrCEF.exe 98 PID 4372 wrote to memory of 3796 4372 RdrCEF.exe 98 PID 4372 wrote to memory of 3796 4372 RdrCEF.exe 98 PID 4372 wrote to memory of 3796 4372 RdrCEF.exe 98
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\0c5a4f5c33d92ccc21859ba335b01d7b.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:4580 -
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:4372 -
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=28AAA81AF5010E8FA43267C0A4F277F8 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4784
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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=94A85BC68DBE44790593656AE6479160 --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=94A85BC68DBE44790593656AE6479160 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:13⤵PID:3796
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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=42EFC5FF7EA6A7113C14C7703D0D8E52 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3132
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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=C6F2B677EFD326272F8576836FC4544B --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4676
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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=B1177C638D708F6D714F5ABDBA93A212 --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=B1177C638D708F6D714F5ABDBA93A212 --renderer-client-id=7 --mojo-platform-channel-handle=2532 --allow-no-sandbox-job /prefetch:13⤵PID:768
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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=9ADA83DA66FD5033AC226FA752A827C6 --mojo-platform-channel-handle=2388 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4724
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:3960
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD563f933b22e4eb0d6e1f82a4aa4815436
SHA1966590ca31a91aee7c8402715272fe624a6cc632
SHA256ad2743f2fbb941b173d1f33c6f90290c0dcc21d368109521fa63bfa72dca335f
SHA5128887f14acf5de96be45f943f7e13c2f16f7d43511db873e00d4eab80aa328d245cead226537eea3bbc2322e1190340c3bfe11cdb15a2cad215f2ba0228dd9b80
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5