Analysis
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max time kernel
149s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
12/01/2024, 00:49
Behavioral task
behavioral1
Sample
5509256b8d741b52659d150f272aaefb.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
5509256b8d741b52659d150f272aaefb.pdf
Resource
win10v2004-20231222-en
General
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Target
5509256b8d741b52659d150f272aaefb.pdf
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Size
72KB
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MD5
5509256b8d741b52659d150f272aaefb
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SHA1
c5fda6af7b035565c50142917dbef0176340960a
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SHA256
d6a7a1433b2414a774715799ca5d48c451f1269d4c6fc11d2b84d8cf46a5cf90
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SHA512
2af42a593ec172e9ba9ad2977f9e6473e8be9159055ccbe1f538098223d4dcdb8cfba4ba1d418f4287e21d72b6d3f5659ffbd71ebc1f2e3a46ce7a183b4525af
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SSDEEP
1536:WyESELvJk33ccz62M+PpPOO+Xq8zTqWpWYpO2JiANqp8W2XUa66:AknTz6YPcj5zHA2JiA8pyXUG
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 2628 AcroRd32.exe 2628 AcroRd32.exe 2628 AcroRd32.exe 2628 AcroRd32.exe 2628 AcroRd32.exe 2628 AcroRd32.exe 2628 AcroRd32.exe 2628 AcroRd32.exe 2628 AcroRd32.exe 2628 AcroRd32.exe 2628 AcroRd32.exe 2628 AcroRd32.exe 2628 AcroRd32.exe 2628 AcroRd32.exe 2628 AcroRd32.exe 2628 AcroRd32.exe 2628 AcroRd32.exe 2628 AcroRd32.exe 2628 AcroRd32.exe 2628 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2628 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 2628 AcroRd32.exe 2628 AcroRd32.exe 2628 AcroRd32.exe 2628 AcroRd32.exe 2628 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2628 wrote to memory of 4444 2628 AcroRd32.exe 92 PID 2628 wrote to memory of 4444 2628 AcroRd32.exe 92 PID 2628 wrote to memory of 4444 2628 AcroRd32.exe 92 PID 4444 wrote to memory of 3572 4444 RdrCEF.exe 94 PID 4444 wrote to memory of 3572 4444 RdrCEF.exe 94 PID 4444 wrote to memory of 3572 4444 RdrCEF.exe 94 PID 4444 wrote to memory of 3572 4444 RdrCEF.exe 94 PID 4444 wrote to memory of 3572 4444 RdrCEF.exe 94 PID 4444 wrote to memory of 3572 4444 RdrCEF.exe 94 PID 4444 wrote to memory of 3572 4444 RdrCEF.exe 94 PID 4444 wrote to memory of 3572 4444 RdrCEF.exe 94 PID 4444 wrote to memory of 3572 4444 RdrCEF.exe 94 PID 4444 wrote to memory of 3572 4444 RdrCEF.exe 94 PID 4444 wrote to memory of 3572 4444 RdrCEF.exe 94 PID 4444 wrote to memory of 3572 4444 RdrCEF.exe 94 PID 4444 wrote to memory of 3572 4444 RdrCEF.exe 94 PID 4444 wrote to memory of 3572 4444 RdrCEF.exe 94 PID 4444 wrote to memory of 3572 4444 RdrCEF.exe 94 PID 4444 wrote to memory of 3572 4444 RdrCEF.exe 94 PID 4444 wrote to memory of 3572 4444 RdrCEF.exe 94 PID 4444 wrote to memory of 3572 4444 RdrCEF.exe 94 PID 4444 wrote to memory of 3572 4444 RdrCEF.exe 94 PID 4444 wrote to memory of 3572 4444 RdrCEF.exe 94 PID 4444 wrote to memory of 3572 4444 RdrCEF.exe 94 PID 4444 wrote to memory of 3572 4444 RdrCEF.exe 94 PID 4444 wrote to memory of 3572 4444 RdrCEF.exe 94 PID 4444 wrote to memory of 3572 4444 RdrCEF.exe 94 PID 4444 wrote to memory of 3572 4444 RdrCEF.exe 94 PID 4444 wrote to memory of 3572 4444 RdrCEF.exe 94 PID 4444 wrote to memory of 3572 4444 RdrCEF.exe 94 PID 4444 wrote to memory of 3572 4444 RdrCEF.exe 94 PID 4444 wrote to memory of 3572 4444 RdrCEF.exe 94 PID 4444 wrote to memory of 3572 4444 RdrCEF.exe 94 PID 4444 wrote to memory of 3572 4444 RdrCEF.exe 94 PID 4444 wrote to memory of 3572 4444 RdrCEF.exe 94 PID 4444 wrote to memory of 3572 4444 RdrCEF.exe 94 PID 4444 wrote to memory of 3572 4444 RdrCEF.exe 94 PID 4444 wrote to memory of 3572 4444 RdrCEF.exe 94 PID 4444 wrote to memory of 3572 4444 RdrCEF.exe 94 PID 4444 wrote to memory of 3572 4444 RdrCEF.exe 94 PID 4444 wrote to memory of 3572 4444 RdrCEF.exe 94 PID 4444 wrote to memory of 3572 4444 RdrCEF.exe 94 PID 4444 wrote to memory of 3572 4444 RdrCEF.exe 94 PID 4444 wrote to memory of 3572 4444 RdrCEF.exe 94 PID 4444 wrote to memory of 3748 4444 RdrCEF.exe 93 PID 4444 wrote to memory of 3748 4444 RdrCEF.exe 93 PID 4444 wrote to memory of 3748 4444 RdrCEF.exe 93 PID 4444 wrote to memory of 3748 4444 RdrCEF.exe 93 PID 4444 wrote to memory of 3748 4444 RdrCEF.exe 93 PID 4444 wrote to memory of 3748 4444 RdrCEF.exe 93 PID 4444 wrote to memory of 3748 4444 RdrCEF.exe 93 PID 4444 wrote to memory of 3748 4444 RdrCEF.exe 93 PID 4444 wrote to memory of 3748 4444 RdrCEF.exe 93 PID 4444 wrote to memory of 3748 4444 RdrCEF.exe 93 PID 4444 wrote to memory of 3748 4444 RdrCEF.exe 93 PID 4444 wrote to memory of 3748 4444 RdrCEF.exe 93 PID 4444 wrote to memory of 3748 4444 RdrCEF.exe 93 PID 4444 wrote to memory of 3748 4444 RdrCEF.exe 93 PID 4444 wrote to memory of 3748 4444 RdrCEF.exe 93 PID 4444 wrote to memory of 3748 4444 RdrCEF.exe 93 PID 4444 wrote to memory of 3748 4444 RdrCEF.exe 93 PID 4444 wrote to memory of 3748 4444 RdrCEF.exe 93 PID 4444 wrote to memory of 3748 4444 RdrCEF.exe 93 PID 4444 wrote to memory of 3748 4444 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\5509256b8d741b52659d150f272aaefb.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:2628 -
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:4444 -
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=6AE98661AFD8E6C00FFFEEFF830D6E89 --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=6AE98661AFD8E6C00FFFEEFF830D6E89 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:13⤵PID:3748
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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=DDDF212E47C59AD61DAE0CCC47115758 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3572
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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=E02A71BF8A2C6DD64639C5700FF583FF --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1424
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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=10E76040C0B008F9889A4715FDB3E8BA --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=10E76040C0B008F9889A4715FDB3E8BA --renderer-client-id=6 --mojo-platform-channel-handle=1856 --allow-no-sandbox-job /prefetch:13⤵PID:532
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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=3BEE08C050996105F82A8F1B2954C838 --mojo-platform-channel-handle=2412 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2196
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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=94881D19B5F0FA188DA9BB9C09D9CF90 --mojo-platform-channel-handle=2776 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4488
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4572
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD5ac3ab7d10797016129da731fde128513
SHA11463d9a2f92ddfa0314e515a4755f73b857e7429
SHA25675ad413ccb92ac53eeda4cbfde38f25bca6ecfef41a943d326dcb428b851c121
SHA512da3c0f1ae3b9f0d3cb17c233a2b58031a27f3458f4746882227b27f8f1f793a78ddbf271dbb0ae8c295dd6f9e18e85f33316be6768004637d33ff0aac939e356
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5