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Analysis
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max time kernel
141s -
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
25/01/2024, 22:27
Behavioral task
behavioral1
Sample
75ab0c455f004072c20883f14a350a77.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
75ab0c455f004072c20883f14a350a77.pdf
Resource
win10v2004-20231222-en
General
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Target
75ab0c455f004072c20883f14a350a77.pdf
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Size
67KB
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MD5
75ab0c455f004072c20883f14a350a77
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SHA1
ddbca2a1341f0da692c52adfb49dfb6fcbe0ec62
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SHA256
05f8acda6562acdb1c47837d991a0d8cac5f65dd3fc914a7c3f84b6258e9a421
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SHA512
771ccb5da03128240f1f121a67fc3f3ad91c73d129c044aeaaf192d1d8a954271941af2bcf118362ae9ac5b647316316e3142e15210f9cfbecf5443854b0c1d4
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SSDEEP
1536:OJgqAJZduSZC97zh7tZBlDNkIEUBUEA/3RP2yOQoxO:pqAgqytZ7lE13RYQF
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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 2244 AcroRd32.exe 2244 AcroRd32.exe 2244 AcroRd32.exe 2244 AcroRd32.exe 2244 AcroRd32.exe 2244 AcroRd32.exe 2244 AcroRd32.exe 2244 AcroRd32.exe 2244 AcroRd32.exe 2244 AcroRd32.exe 2244 AcroRd32.exe 2244 AcroRd32.exe 2244 AcroRd32.exe 2244 AcroRd32.exe 2244 AcroRd32.exe 2244 AcroRd32.exe 2244 AcroRd32.exe 2244 AcroRd32.exe 2244 AcroRd32.exe 2244 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2244 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 2244 AcroRd32.exe 2244 AcroRd32.exe 2244 AcroRd32.exe 2244 AcroRd32.exe 2244 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2244 wrote to memory of 1504 2244 AcroRd32.exe 89 PID 2244 wrote to memory of 1504 2244 AcroRd32.exe 89 PID 2244 wrote to memory of 1504 2244 AcroRd32.exe 89 PID 1504 wrote to memory of 900 1504 RdrCEF.exe 92 PID 1504 wrote to memory of 900 1504 RdrCEF.exe 92 PID 1504 wrote to memory of 900 1504 RdrCEF.exe 92 PID 1504 wrote to memory of 900 1504 RdrCEF.exe 92 PID 1504 wrote to memory of 900 1504 RdrCEF.exe 92 PID 1504 wrote to memory of 900 1504 RdrCEF.exe 92 PID 1504 wrote to memory of 900 1504 RdrCEF.exe 92 PID 1504 wrote to memory of 900 1504 RdrCEF.exe 92 PID 1504 wrote to memory of 900 1504 RdrCEF.exe 92 PID 1504 wrote to memory of 900 1504 RdrCEF.exe 92 PID 1504 wrote to memory of 900 1504 RdrCEF.exe 92 PID 1504 wrote to memory of 900 1504 RdrCEF.exe 92 PID 1504 wrote to memory of 900 1504 RdrCEF.exe 92 PID 1504 wrote to memory of 900 1504 RdrCEF.exe 92 PID 1504 wrote to memory of 900 1504 RdrCEF.exe 92 PID 1504 wrote to memory of 900 1504 RdrCEF.exe 92 PID 1504 wrote to memory of 900 1504 RdrCEF.exe 92 PID 1504 wrote to memory of 900 1504 RdrCEF.exe 92 PID 1504 wrote to memory of 900 1504 RdrCEF.exe 92 PID 1504 wrote to memory of 900 1504 RdrCEF.exe 92 PID 1504 wrote to memory of 900 1504 RdrCEF.exe 92 PID 1504 wrote to memory of 900 1504 RdrCEF.exe 92 PID 1504 wrote to memory of 900 1504 RdrCEF.exe 92 PID 1504 wrote to memory of 900 1504 RdrCEF.exe 92 PID 1504 wrote to memory of 900 1504 RdrCEF.exe 92 PID 1504 wrote to memory of 900 1504 RdrCEF.exe 92 PID 1504 wrote to memory of 900 1504 RdrCEF.exe 92 PID 1504 wrote to memory of 900 1504 RdrCEF.exe 92 PID 1504 wrote to memory of 900 1504 RdrCEF.exe 92 PID 1504 wrote to memory of 900 1504 RdrCEF.exe 92 PID 1504 wrote to memory of 900 1504 RdrCEF.exe 92 PID 1504 wrote to memory of 900 1504 RdrCEF.exe 92 PID 1504 wrote to memory of 900 1504 RdrCEF.exe 92 PID 1504 wrote to memory of 900 1504 RdrCEF.exe 92 PID 1504 wrote to memory of 900 1504 RdrCEF.exe 92 PID 1504 wrote to memory of 900 1504 RdrCEF.exe 92 PID 1504 wrote to memory of 900 1504 RdrCEF.exe 92 PID 1504 wrote to memory of 900 1504 RdrCEF.exe 92 PID 1504 wrote to memory of 900 1504 RdrCEF.exe 92 PID 1504 wrote to memory of 900 1504 RdrCEF.exe 92 PID 1504 wrote to memory of 900 1504 RdrCEF.exe 92 PID 1504 wrote to memory of 2512 1504 RdrCEF.exe 93 PID 1504 wrote to memory of 2512 1504 RdrCEF.exe 93 PID 1504 wrote to memory of 2512 1504 RdrCEF.exe 93 PID 1504 wrote to memory of 2512 1504 RdrCEF.exe 93 PID 1504 wrote to memory of 2512 1504 RdrCEF.exe 93 PID 1504 wrote to memory of 2512 1504 RdrCEF.exe 93 PID 1504 wrote to memory of 2512 1504 RdrCEF.exe 93 PID 1504 wrote to memory of 2512 1504 RdrCEF.exe 93 PID 1504 wrote to memory of 2512 1504 RdrCEF.exe 93 PID 1504 wrote to memory of 2512 1504 RdrCEF.exe 93 PID 1504 wrote to memory of 2512 1504 RdrCEF.exe 93 PID 1504 wrote to memory of 2512 1504 RdrCEF.exe 93 PID 1504 wrote to memory of 2512 1504 RdrCEF.exe 93 PID 1504 wrote to memory of 2512 1504 RdrCEF.exe 93 PID 1504 wrote to memory of 2512 1504 RdrCEF.exe 93 PID 1504 wrote to memory of 2512 1504 RdrCEF.exe 93 PID 1504 wrote to memory of 2512 1504 RdrCEF.exe 93 PID 1504 wrote to memory of 2512 1504 RdrCEF.exe 93 PID 1504 wrote to memory of 2512 1504 RdrCEF.exe 93 PID 1504 wrote to memory of 2512 1504 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\75ab0c455f004072c20883f14a350a77.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:2244 -
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:1504 -
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=377C07CF2D8720BBAB377F071CA9F1E8 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:900
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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=C48A8AB6395B40F793210492C9DA53D5 --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=C48A8AB6395B40F793210492C9DA53D5 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:13⤵PID:2512
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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=62913CAB235779F97192ACC5A4989DF5 --mojo-platform-channel-handle=2164 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1052
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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=0EA544FEF5A7CEE7F2159DCCFF982C99 --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=0EA544FEF5A7CEE7F2159DCCFF982C99 --renderer-client-id=5 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job /prefetch:13⤵PID:4468
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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=37979E27B3F6154C30C5F4FA36B61107 --mojo-platform-channel-handle=2432 --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=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=E8E88FBF30716F3698A74EFCA0E8C6EB --mojo-platform-channel-handle=2256 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1708
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:1400
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD5113556445d5ea8b4deacb4cef74efac5
SHA1557d424b175cc997039f989162a6151f95fb66dd
SHA256161e1b4b06e9cf8791ddcfa926f583554a01a33338afd35c82f20521b6db9e53
SHA512f5849c487a05a03433a14f4b75c6bbc3999a42f7a4adbbf7ad9a97b52b8a4997d773c0c1640a9fc304181bda840b86a684ea82e0beb937b667d3a78e74d8c136
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5