Analysis
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max time kernel
133s -
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
07-05-2024 23:09
Static task
static1
Behavioral task
behavioral1
Sample
5f03b63de8db0d5e3b756aef0dc87da0_NEIKI.pdf
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
5f03b63de8db0d5e3b756aef0dc87da0_NEIKI.pdf
Resource
win10v2004-20240419-en
General
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Target
5f03b63de8db0d5e3b756aef0dc87da0_NEIKI.pdf
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Size
11KB
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MD5
5f03b63de8db0d5e3b756aef0dc87da0
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SHA1
b67660522f6e5a0511f35834688bb908e9a92194
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SHA256
5f8c30386589d239a7da5b1d084f86c662ef543830fe2a0fad365a8cc799e46a
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SHA512
fc5593b6791d5b56536800a50964b58778312c2b59773d7fee0e45fda2e520cdd6e609ea01d4adb77c12c047bf08e827533bb31e2b27c0ded3faebcd9001fefd
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SSDEEP
192:jGmL4Op66EA7NcXRjdsyT8V5VrQKNsYWUlH0y1/IxlrI9oRHm6u7eFXU1WQnd5jj:6mnpoAxcLsyQNSji/9srOWFk1TAb1ct
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 3364 AcroRd32.exe 3364 AcroRd32.exe 3364 AcroRd32.exe 3364 AcroRd32.exe 3364 AcroRd32.exe 3364 AcroRd32.exe 3364 AcroRd32.exe 3364 AcroRd32.exe 3364 AcroRd32.exe 3364 AcroRd32.exe 3364 AcroRd32.exe 3364 AcroRd32.exe 3364 AcroRd32.exe 3364 AcroRd32.exe 3364 AcroRd32.exe 3364 AcroRd32.exe 3364 AcroRd32.exe 3364 AcroRd32.exe 3364 AcroRd32.exe 3364 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3364 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 3364 AcroRd32.exe 3364 AcroRd32.exe 3364 AcroRd32.exe 3364 AcroRd32.exe 3364 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3364 wrote to memory of 4900 3364 AcroRd32.exe 89 PID 3364 wrote to memory of 4900 3364 AcroRd32.exe 89 PID 3364 wrote to memory of 4900 3364 AcroRd32.exe 89 PID 4900 wrote to memory of 4960 4900 RdrCEF.exe 92 PID 4900 wrote to memory of 4960 4900 RdrCEF.exe 92 PID 4900 wrote to memory of 4960 4900 RdrCEF.exe 92 PID 4900 wrote to memory of 4960 4900 RdrCEF.exe 92 PID 4900 wrote to memory of 4960 4900 RdrCEF.exe 92 PID 4900 wrote to memory of 4960 4900 RdrCEF.exe 92 PID 4900 wrote to memory of 4960 4900 RdrCEF.exe 92 PID 4900 wrote to memory of 4960 4900 RdrCEF.exe 92 PID 4900 wrote to memory of 4960 4900 RdrCEF.exe 92 PID 4900 wrote to memory of 4960 4900 RdrCEF.exe 92 PID 4900 wrote to memory of 4960 4900 RdrCEF.exe 92 PID 4900 wrote to memory of 4960 4900 RdrCEF.exe 92 PID 4900 wrote to memory of 4960 4900 RdrCEF.exe 92 PID 4900 wrote to memory of 4960 4900 RdrCEF.exe 92 PID 4900 wrote to memory of 4960 4900 RdrCEF.exe 92 PID 4900 wrote to memory of 4960 4900 RdrCEF.exe 92 PID 4900 wrote to memory of 4960 4900 RdrCEF.exe 92 PID 4900 wrote to memory of 4960 4900 RdrCEF.exe 92 PID 4900 wrote to memory of 4960 4900 RdrCEF.exe 92 PID 4900 wrote to memory of 4960 4900 RdrCEF.exe 92 PID 4900 wrote to memory of 4960 4900 RdrCEF.exe 92 PID 4900 wrote to memory of 4960 4900 RdrCEF.exe 92 PID 4900 wrote to memory of 4960 4900 RdrCEF.exe 92 PID 4900 wrote to memory of 4960 4900 RdrCEF.exe 92 PID 4900 wrote to memory of 4960 4900 RdrCEF.exe 92 PID 4900 wrote to memory of 4960 4900 RdrCEF.exe 92 PID 4900 wrote to memory of 4960 4900 RdrCEF.exe 92 PID 4900 wrote to memory of 4960 4900 RdrCEF.exe 92 PID 4900 wrote to memory of 4960 4900 RdrCEF.exe 92 PID 4900 wrote to memory of 4960 4900 RdrCEF.exe 92 PID 4900 wrote to memory of 4960 4900 RdrCEF.exe 92 PID 4900 wrote to memory of 4960 4900 RdrCEF.exe 92 PID 4900 wrote to memory of 4960 4900 RdrCEF.exe 92 PID 4900 wrote to memory of 4960 4900 RdrCEF.exe 92 PID 4900 wrote to memory of 4960 4900 RdrCEF.exe 92 PID 4900 wrote to memory of 4960 4900 RdrCEF.exe 92 PID 4900 wrote to memory of 4960 4900 RdrCEF.exe 92 PID 4900 wrote to memory of 4960 4900 RdrCEF.exe 92 PID 4900 wrote to memory of 4960 4900 RdrCEF.exe 92 PID 4900 wrote to memory of 4960 4900 RdrCEF.exe 92 PID 4900 wrote to memory of 4960 4900 RdrCEF.exe 92 PID 4900 wrote to memory of 5056 4900 RdrCEF.exe 93 PID 4900 wrote to memory of 5056 4900 RdrCEF.exe 93 PID 4900 wrote to memory of 5056 4900 RdrCEF.exe 93 PID 4900 wrote to memory of 5056 4900 RdrCEF.exe 93 PID 4900 wrote to memory of 5056 4900 RdrCEF.exe 93 PID 4900 wrote to memory of 5056 4900 RdrCEF.exe 93 PID 4900 wrote to memory of 5056 4900 RdrCEF.exe 93 PID 4900 wrote to memory of 5056 4900 RdrCEF.exe 93 PID 4900 wrote to memory of 5056 4900 RdrCEF.exe 93 PID 4900 wrote to memory of 5056 4900 RdrCEF.exe 93 PID 4900 wrote to memory of 5056 4900 RdrCEF.exe 93 PID 4900 wrote to memory of 5056 4900 RdrCEF.exe 93 PID 4900 wrote to memory of 5056 4900 RdrCEF.exe 93 PID 4900 wrote to memory of 5056 4900 RdrCEF.exe 93 PID 4900 wrote to memory of 5056 4900 RdrCEF.exe 93 PID 4900 wrote to memory of 5056 4900 RdrCEF.exe 93 PID 4900 wrote to memory of 5056 4900 RdrCEF.exe 93 PID 4900 wrote to memory of 5056 4900 RdrCEF.exe 93 PID 4900 wrote to memory of 5056 4900 RdrCEF.exe 93 PID 4900 wrote to memory of 5056 4900 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\5f03b63de8db0d5e3b756aef0dc87da0_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:3364 -
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:4900 -
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=4F547836C5A7D82F774D91BC35B219DD --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4960
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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=B84BDF7396065D1A213134553DCEB4FC --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=B84BDF7396065D1A213134553DCEB4FC --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:13⤵PID:5056
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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=20CB9C5D386D360087561622B57C84E2 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3420
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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=BF699DA36B55E3B24A96376F6329F46B --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1068
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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=629B5E1BCE36410A0F072A61ADD2BD7B --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=629B5E1BCE36410A0F072A61ADD2BD7B --renderer-client-id=6 --mojo-platform-channel-handle=1968 --allow-no-sandbox-job /prefetch:13⤵PID:3048
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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=F5E4B0E113033ECF2151530ECAE9D055 --mojo-platform-channel-handle=2372 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3476
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:640
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD577fdbe6c6a69e064e9681149aaccac85
SHA143a7b9b3709cac91772b30fd949554d80ea4798e
SHA256b6fd3f4c48649cd4edd4359a2879c22150c13b3246df843162fefde35ac68c4a
SHA512e4a199473ff50925217b4f4c5ccfd0b43da5f5f96156afdee1f36c73c76451167f7fc69c68c2ac8cd06b74ff48704c075b8279550ebbb68df932817c3317d77e
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5