Analysis
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max time kernel
149s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
08-05-2024 20:13
Static task
static1
Behavioral task
behavioral1
Sample
3773f2551b8c987678f7457b57c194f0_NEIKI.pdf
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
3773f2551b8c987678f7457b57c194f0_NEIKI.pdf
Resource
win10v2004-20240426-en
General
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Target
3773f2551b8c987678f7457b57c194f0_NEIKI.pdf
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Size
255KB
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MD5
3773f2551b8c987678f7457b57c194f0
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SHA1
ebb8bfe8ef55360455bd0caea8cd65caa76c8f1b
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SHA256
a0fc4ecbafb54e785c56b9cde790eb601dd42c1203c379948e6babe9c504aa1a
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SHA512
e6a089d4c213ad790642bfdb70b183b79fa736e11b7478ae698533af1829618700bac800773b98376b0654d2cc9b95c2e28e7189b597c1782448640e01c05397
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SSDEEP
6144:AeWY61ZUQ1CokaTG2GFn1i6CYZlYPDDzpObRm5R:AeWYa91Vk2CR3YPVJR
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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz AcroRd32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 AcroRd32.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 3652 AcroRd32.exe 3652 AcroRd32.exe 3652 AcroRd32.exe 3652 AcroRd32.exe 3652 AcroRd32.exe 3652 AcroRd32.exe 3652 AcroRd32.exe 3652 AcroRd32.exe 3652 AcroRd32.exe 3652 AcroRd32.exe 3652 AcroRd32.exe 3652 AcroRd32.exe 3652 AcroRd32.exe 3652 AcroRd32.exe 3652 AcroRd32.exe 3652 AcroRd32.exe 3652 AcroRd32.exe 3652 AcroRd32.exe 3652 AcroRd32.exe 3652 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3652 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 3652 AcroRd32.exe 3652 AcroRd32.exe 3652 AcroRd32.exe 3652 AcroRd32.exe 3652 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3652 wrote to memory of 3468 3652 AcroRd32.exe 90 PID 3652 wrote to memory of 3468 3652 AcroRd32.exe 90 PID 3652 wrote to memory of 3468 3652 AcroRd32.exe 90 PID 3468 wrote to memory of 5072 3468 RdrCEF.exe 93 PID 3468 wrote to memory of 5072 3468 RdrCEF.exe 93 PID 3468 wrote to memory of 5072 3468 RdrCEF.exe 93 PID 3468 wrote to memory of 5072 3468 RdrCEF.exe 93 PID 3468 wrote to memory of 5072 3468 RdrCEF.exe 93 PID 3468 wrote to memory of 5072 3468 RdrCEF.exe 93 PID 3468 wrote to memory of 5072 3468 RdrCEF.exe 93 PID 3468 wrote to memory of 5072 3468 RdrCEF.exe 93 PID 3468 wrote to memory of 5072 3468 RdrCEF.exe 93 PID 3468 wrote to memory of 5072 3468 RdrCEF.exe 93 PID 3468 wrote to memory of 5072 3468 RdrCEF.exe 93 PID 3468 wrote to memory of 5072 3468 RdrCEF.exe 93 PID 3468 wrote to memory of 5072 3468 RdrCEF.exe 93 PID 3468 wrote to memory of 5072 3468 RdrCEF.exe 93 PID 3468 wrote to memory of 5072 3468 RdrCEF.exe 93 PID 3468 wrote to memory of 5072 3468 RdrCEF.exe 93 PID 3468 wrote to memory of 5072 3468 RdrCEF.exe 93 PID 3468 wrote to memory of 5072 3468 RdrCEF.exe 93 PID 3468 wrote to memory of 5072 3468 RdrCEF.exe 93 PID 3468 wrote to memory of 5072 3468 RdrCEF.exe 93 PID 3468 wrote to memory of 5072 3468 RdrCEF.exe 93 PID 3468 wrote to memory of 5072 3468 RdrCEF.exe 93 PID 3468 wrote to memory of 5072 3468 RdrCEF.exe 93 PID 3468 wrote to memory of 5072 3468 RdrCEF.exe 93 PID 3468 wrote to memory of 5072 3468 RdrCEF.exe 93 PID 3468 wrote to memory of 5072 3468 RdrCEF.exe 93 PID 3468 wrote to memory of 5072 3468 RdrCEF.exe 93 PID 3468 wrote to memory of 5072 3468 RdrCEF.exe 93 PID 3468 wrote to memory of 5072 3468 RdrCEF.exe 93 PID 3468 wrote to memory of 5072 3468 RdrCEF.exe 93 PID 3468 wrote to memory of 5072 3468 RdrCEF.exe 93 PID 3468 wrote to memory of 5072 3468 RdrCEF.exe 93 PID 3468 wrote to memory of 5072 3468 RdrCEF.exe 93 PID 3468 wrote to memory of 5072 3468 RdrCEF.exe 93 PID 3468 wrote to memory of 5072 3468 RdrCEF.exe 93 PID 3468 wrote to memory of 5072 3468 RdrCEF.exe 93 PID 3468 wrote to memory of 5072 3468 RdrCEF.exe 93 PID 3468 wrote to memory of 5072 3468 RdrCEF.exe 93 PID 3468 wrote to memory of 5072 3468 RdrCEF.exe 93 PID 3468 wrote to memory of 5072 3468 RdrCEF.exe 93 PID 3468 wrote to memory of 5072 3468 RdrCEF.exe 93 PID 3468 wrote to memory of 4364 3468 RdrCEF.exe 94 PID 3468 wrote to memory of 4364 3468 RdrCEF.exe 94 PID 3468 wrote to memory of 4364 3468 RdrCEF.exe 94 PID 3468 wrote to memory of 4364 3468 RdrCEF.exe 94 PID 3468 wrote to memory of 4364 3468 RdrCEF.exe 94 PID 3468 wrote to memory of 4364 3468 RdrCEF.exe 94 PID 3468 wrote to memory of 4364 3468 RdrCEF.exe 94 PID 3468 wrote to memory of 4364 3468 RdrCEF.exe 94 PID 3468 wrote to memory of 4364 3468 RdrCEF.exe 94 PID 3468 wrote to memory of 4364 3468 RdrCEF.exe 94 PID 3468 wrote to memory of 4364 3468 RdrCEF.exe 94 PID 3468 wrote to memory of 4364 3468 RdrCEF.exe 94 PID 3468 wrote to memory of 4364 3468 RdrCEF.exe 94 PID 3468 wrote to memory of 4364 3468 RdrCEF.exe 94 PID 3468 wrote to memory of 4364 3468 RdrCEF.exe 94 PID 3468 wrote to memory of 4364 3468 RdrCEF.exe 94 PID 3468 wrote to memory of 4364 3468 RdrCEF.exe 94 PID 3468 wrote to memory of 4364 3468 RdrCEF.exe 94 PID 3468 wrote to memory of 4364 3468 RdrCEF.exe 94 PID 3468 wrote to memory of 4364 3468 RdrCEF.exe 94
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\3773f2551b8c987678f7457b57c194f0_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:3652 -
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:3468 -
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=3BDE8855FEF15F9EE3415B94416C0C86 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:5072
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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=96F56C58496538D9E7858993AD2B90DA --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=96F56C58496538D9E7858993AD2B90DA --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:13⤵PID:4364
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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=98CA5F931EAB71E0955CE95A6C42DE2E --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4348
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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=F7B7B01D605035BD707C0D66405073C7 --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=F7B7B01D605035BD707C0D66405073C7 --renderer-client-id=5 --mojo-platform-channel-handle=1804 --allow-no-sandbox-job /prefetch:13⤵PID:2556
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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=C62C68A77C1429581614177A63D086CD --mojo-platform-channel-handle=2772 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:212
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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=9F4F886270ED9518322EF57F9F7E30F4 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3964
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4904
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD53ddf55154fdc461d07d8f5944c0389f3
SHA128fadeffce13450f041668bac0a232bd71a61c25
SHA256bc231a16743b5f7bb3908cf47a31faf378f63f2ac62a3328d9af3d043d9137a0
SHA5120d39524780d4b230cf8d9ab1c8c09b1d5ee24aee29448d498f881e9828aa5990189cc31873bd60dd23f20158872f05dbac5a99dba5f7dfb549a8d557afc52367
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5