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Analysis
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max time kernel
134s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
08/05/2024, 10:19
Behavioral task
behavioral1
Sample
5f8f436e7a5cd1777ab20baa0bb4ee80_NEIKI.pdf
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
5f8f436e7a5cd1777ab20baa0bb4ee80_NEIKI.pdf
Resource
win10v2004-20240419-en
General
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Target
5f8f436e7a5cd1777ab20baa0bb4ee80_NEIKI.pdf
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Size
397KB
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MD5
5f8f436e7a5cd1777ab20baa0bb4ee80
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SHA1
cd0f180844002c6f06ea6739db59d96e1f6e9ede
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SHA256
1c02b3ae75538b6ee18e2d270caadbde25fe0337cb542f17073e44ccd1208963
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SHA512
3079f70b56180984d8f2b0ebc529e65a6de4e836fe6a3311930ad02a80085fe1810f143fd048e7a16d4903cf9b7d9920165f420b2454651ae3b95ca490eba3bb
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SSDEEP
6144:diYEPkve9M/4b0Upyak0LgYt1PVj6Mw1PqWZFwiya4/hFd6t4UAE:diFeaoL0LDt1N2Mw1PqW/LMhFbUAE
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-1-5-21-2860750803-256193626-1801997576-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 116 AcroRd32.exe 116 AcroRd32.exe 116 AcroRd32.exe 116 AcroRd32.exe 116 AcroRd32.exe 116 AcroRd32.exe 116 AcroRd32.exe 116 AcroRd32.exe 116 AcroRd32.exe 116 AcroRd32.exe 116 AcroRd32.exe 116 AcroRd32.exe 116 AcroRd32.exe 116 AcroRd32.exe 116 AcroRd32.exe 116 AcroRd32.exe 116 AcroRd32.exe 116 AcroRd32.exe 116 AcroRd32.exe 116 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 116 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 116 AcroRd32.exe 116 AcroRd32.exe 116 AcroRd32.exe 116 AcroRd32.exe 116 AcroRd32.exe 116 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 116 wrote to memory of 1828 116 AcroRd32.exe 93 PID 116 wrote to memory of 1828 116 AcroRd32.exe 93 PID 116 wrote to memory of 1828 116 AcroRd32.exe 93 PID 1828 wrote to memory of 2168 1828 RdrCEF.exe 95 PID 1828 wrote to memory of 2168 1828 RdrCEF.exe 95 PID 1828 wrote to memory of 2168 1828 RdrCEF.exe 95 PID 1828 wrote to memory of 2168 1828 RdrCEF.exe 95 PID 1828 wrote to memory of 2168 1828 RdrCEF.exe 95 PID 1828 wrote to memory of 2168 1828 RdrCEF.exe 95 PID 1828 wrote to memory of 2168 1828 RdrCEF.exe 95 PID 1828 wrote to memory of 2168 1828 RdrCEF.exe 95 PID 1828 wrote to memory of 2168 1828 RdrCEF.exe 95 PID 1828 wrote to memory of 2168 1828 RdrCEF.exe 95 PID 1828 wrote to memory of 2168 1828 RdrCEF.exe 95 PID 1828 wrote to memory of 2168 1828 RdrCEF.exe 95 PID 1828 wrote to memory of 2168 1828 RdrCEF.exe 95 PID 1828 wrote to memory of 2168 1828 RdrCEF.exe 95 PID 1828 wrote to memory of 2168 1828 RdrCEF.exe 95 PID 1828 wrote to memory of 2168 1828 RdrCEF.exe 95 PID 1828 wrote to memory of 2168 1828 RdrCEF.exe 95 PID 1828 wrote to memory of 2168 1828 RdrCEF.exe 95 PID 1828 wrote to memory of 2168 1828 RdrCEF.exe 95 PID 1828 wrote to memory of 2168 1828 RdrCEF.exe 95 PID 1828 wrote to memory of 2168 1828 RdrCEF.exe 95 PID 1828 wrote to memory of 2168 1828 RdrCEF.exe 95 PID 1828 wrote to memory of 2168 1828 RdrCEF.exe 95 PID 1828 wrote to memory of 2168 1828 RdrCEF.exe 95 PID 1828 wrote to memory of 2168 1828 RdrCEF.exe 95 PID 1828 wrote to memory of 2168 1828 RdrCEF.exe 95 PID 1828 wrote to memory of 2168 1828 RdrCEF.exe 95 PID 1828 wrote to memory of 2168 1828 RdrCEF.exe 95 PID 1828 wrote to memory of 2168 1828 RdrCEF.exe 95 PID 1828 wrote to memory of 2168 1828 RdrCEF.exe 95 PID 1828 wrote to memory of 2168 1828 RdrCEF.exe 95 PID 1828 wrote to memory of 2168 1828 RdrCEF.exe 95 PID 1828 wrote to memory of 2168 1828 RdrCEF.exe 95 PID 1828 wrote to memory of 2168 1828 RdrCEF.exe 95 PID 1828 wrote to memory of 2168 1828 RdrCEF.exe 95 PID 1828 wrote to memory of 2168 1828 RdrCEF.exe 95 PID 1828 wrote to memory of 2168 1828 RdrCEF.exe 95 PID 1828 wrote to memory of 2168 1828 RdrCEF.exe 95 PID 1828 wrote to memory of 2168 1828 RdrCEF.exe 95 PID 1828 wrote to memory of 2168 1828 RdrCEF.exe 95 PID 1828 wrote to memory of 2168 1828 RdrCEF.exe 95 PID 1828 wrote to memory of 3556 1828 RdrCEF.exe 96 PID 1828 wrote to memory of 3556 1828 RdrCEF.exe 96 PID 1828 wrote to memory of 3556 1828 RdrCEF.exe 96 PID 1828 wrote to memory of 3556 1828 RdrCEF.exe 96 PID 1828 wrote to memory of 3556 1828 RdrCEF.exe 96 PID 1828 wrote to memory of 3556 1828 RdrCEF.exe 96 PID 1828 wrote to memory of 3556 1828 RdrCEF.exe 96 PID 1828 wrote to memory of 3556 1828 RdrCEF.exe 96 PID 1828 wrote to memory of 3556 1828 RdrCEF.exe 96 PID 1828 wrote to memory of 3556 1828 RdrCEF.exe 96 PID 1828 wrote to memory of 3556 1828 RdrCEF.exe 96 PID 1828 wrote to memory of 3556 1828 RdrCEF.exe 96 PID 1828 wrote to memory of 3556 1828 RdrCEF.exe 96 PID 1828 wrote to memory of 3556 1828 RdrCEF.exe 96 PID 1828 wrote to memory of 3556 1828 RdrCEF.exe 96 PID 1828 wrote to memory of 3556 1828 RdrCEF.exe 96 PID 1828 wrote to memory of 3556 1828 RdrCEF.exe 96 PID 1828 wrote to memory of 3556 1828 RdrCEF.exe 96 PID 1828 wrote to memory of 3556 1828 RdrCEF.exe 96 PID 1828 wrote to memory of 3556 1828 RdrCEF.exe 96
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\5f8f436e7a5cd1777ab20baa0bb4ee80_NEIKI.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:116 -
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:1828 -
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=6A62A49C4221318B9A998C58F8E2313A --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2168
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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=4F0A5282ED6E6705EF97FA3BE4CE792B --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=4F0A5282ED6E6705EF97FA3BE4CE792B --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:13⤵PID:3556
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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=0C1F5AA31BC5F75D68FC0461AA12901B --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3704
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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=A53BAC424926CACA77ABE2F902BBF5BC --mojo-platform-channel-handle=1952 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4764
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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=F95AB6B2AA22628EEA804F27873AD9AA --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=F95AB6B2AA22628EEA804F27873AD9AA --renderer-client-id=6 --mojo-platform-channel-handle=1940 --allow-no-sandbox-job /prefetch:13⤵PID:4796
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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=2D8E97591861A162C5367D6DEF350009 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4940
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD51078218b82bf908695acab45e9e656d2
SHA1bfdae77a599440cba491193465412143f228bac0
SHA256041b17d65227248980dd0b168bb146a4352c9de42172b10c7c5cbaebf74a9420
SHA5120c5633413d9aaa72e67fe12da09514f65386717d6f11a60a698517b2ed1971e3212739fe574ad60c27bcf6ebd28a661a5fc873bc407f6b85b49db582349bdd3b
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5