Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
09-05-2024 01:14
Behavioral task
behavioral1
Sample
b955bb7685d8c079be51dd3808673130_NEIKI.pdf
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
b955bb7685d8c079be51dd3808673130_NEIKI.pdf
Resource
win10v2004-20240426-en
General
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Target
b955bb7685d8c079be51dd3808673130_NEIKI.pdf
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Size
50KB
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MD5
b955bb7685d8c079be51dd3808673130
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SHA1
4375bef2e43c35bb63fcda08e56b7247e0fcde0f
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SHA256
6513553671cef8649a668d302aa851146fba6bb4fbe4fbe5589927c82ccaca4e
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SHA512
07ce59e64f2653dfcce57d4741c22a6a4909bdec7d3c4c1a5efe7faeccdca86b30c50c1d7f6d9093c403348185e953814522ad6d2886a1fb70e5e611a8877082
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SSDEEP
768:Vz8dz1gdW+wYzhz+eMjBfwMnHECW6TWQKUHaTgbmIowTTwb9oVbW15CsJTIi8vWh:VwZ3HjtiQvrgSUCR5TJtP9SjIm2LG
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-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 4036 AcroRd32.exe 4036 AcroRd32.exe 4036 AcroRd32.exe 4036 AcroRd32.exe 4036 AcroRd32.exe 4036 AcroRd32.exe 4036 AcroRd32.exe 4036 AcroRd32.exe 4036 AcroRd32.exe 4036 AcroRd32.exe 4036 AcroRd32.exe 4036 AcroRd32.exe 4036 AcroRd32.exe 4036 AcroRd32.exe 4036 AcroRd32.exe 4036 AcroRd32.exe 4036 AcroRd32.exe 4036 AcroRd32.exe 4036 AcroRd32.exe 4036 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4036 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4036 AcroRd32.exe 4036 AcroRd32.exe 4036 AcroRd32.exe 4036 AcroRd32.exe 4036 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4036 wrote to memory of 4020 4036 AcroRd32.exe 88 PID 4036 wrote to memory of 4020 4036 AcroRd32.exe 88 PID 4036 wrote to memory of 4020 4036 AcroRd32.exe 88 PID 4020 wrote to memory of 4592 4020 RdrCEF.exe 89 PID 4020 wrote to memory of 4592 4020 RdrCEF.exe 89 PID 4020 wrote to memory of 4592 4020 RdrCEF.exe 89 PID 4020 wrote to memory of 4592 4020 RdrCEF.exe 89 PID 4020 wrote to memory of 4592 4020 RdrCEF.exe 89 PID 4020 wrote to memory of 4592 4020 RdrCEF.exe 89 PID 4020 wrote to memory of 4592 4020 RdrCEF.exe 89 PID 4020 wrote to memory of 4592 4020 RdrCEF.exe 89 PID 4020 wrote to memory of 4592 4020 RdrCEF.exe 89 PID 4020 wrote to memory of 4592 4020 RdrCEF.exe 89 PID 4020 wrote to memory of 4592 4020 RdrCEF.exe 89 PID 4020 wrote to memory of 4592 4020 RdrCEF.exe 89 PID 4020 wrote to memory of 4592 4020 RdrCEF.exe 89 PID 4020 wrote to memory of 4592 4020 RdrCEF.exe 89 PID 4020 wrote to memory of 4592 4020 RdrCEF.exe 89 PID 4020 wrote to memory of 4592 4020 RdrCEF.exe 89 PID 4020 wrote to memory of 4592 4020 RdrCEF.exe 89 PID 4020 wrote to memory of 4592 4020 RdrCEF.exe 89 PID 4020 wrote to memory of 4592 4020 RdrCEF.exe 89 PID 4020 wrote to memory of 4592 4020 RdrCEF.exe 89 PID 4020 wrote to memory of 4592 4020 RdrCEF.exe 89 PID 4020 wrote to memory of 4592 4020 RdrCEF.exe 89 PID 4020 wrote to memory of 4592 4020 RdrCEF.exe 89 PID 4020 wrote to memory of 4592 4020 RdrCEF.exe 89 PID 4020 wrote to memory of 4592 4020 RdrCEF.exe 89 PID 4020 wrote to memory of 4592 4020 RdrCEF.exe 89 PID 4020 wrote to memory of 4592 4020 RdrCEF.exe 89 PID 4020 wrote to memory of 4592 4020 RdrCEF.exe 89 PID 4020 wrote to memory of 4592 4020 RdrCEF.exe 89 PID 4020 wrote to memory of 4592 4020 RdrCEF.exe 89 PID 4020 wrote to memory of 4592 4020 RdrCEF.exe 89 PID 4020 wrote to memory of 4592 4020 RdrCEF.exe 89 PID 4020 wrote to memory of 4592 4020 RdrCEF.exe 89 PID 4020 wrote to memory of 4592 4020 RdrCEF.exe 89 PID 4020 wrote to memory of 4592 4020 RdrCEF.exe 89 PID 4020 wrote to memory of 4592 4020 RdrCEF.exe 89 PID 4020 wrote to memory of 4592 4020 RdrCEF.exe 89 PID 4020 wrote to memory of 4592 4020 RdrCEF.exe 89 PID 4020 wrote to memory of 4592 4020 RdrCEF.exe 89 PID 4020 wrote to memory of 4592 4020 RdrCEF.exe 89 PID 4020 wrote to memory of 4592 4020 RdrCEF.exe 89 PID 4020 wrote to memory of 4712 4020 RdrCEF.exe 90 PID 4020 wrote to memory of 4712 4020 RdrCEF.exe 90 PID 4020 wrote to memory of 4712 4020 RdrCEF.exe 90 PID 4020 wrote to memory of 4712 4020 RdrCEF.exe 90 PID 4020 wrote to memory of 4712 4020 RdrCEF.exe 90 PID 4020 wrote to memory of 4712 4020 RdrCEF.exe 90 PID 4020 wrote to memory of 4712 4020 RdrCEF.exe 90 PID 4020 wrote to memory of 4712 4020 RdrCEF.exe 90 PID 4020 wrote to memory of 4712 4020 RdrCEF.exe 90 PID 4020 wrote to memory of 4712 4020 RdrCEF.exe 90 PID 4020 wrote to memory of 4712 4020 RdrCEF.exe 90 PID 4020 wrote to memory of 4712 4020 RdrCEF.exe 90 PID 4020 wrote to memory of 4712 4020 RdrCEF.exe 90 PID 4020 wrote to memory of 4712 4020 RdrCEF.exe 90 PID 4020 wrote to memory of 4712 4020 RdrCEF.exe 90 PID 4020 wrote to memory of 4712 4020 RdrCEF.exe 90 PID 4020 wrote to memory of 4712 4020 RdrCEF.exe 90 PID 4020 wrote to memory of 4712 4020 RdrCEF.exe 90 PID 4020 wrote to memory of 4712 4020 RdrCEF.exe 90 PID 4020 wrote to memory of 4712 4020 RdrCEF.exe 90
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\b955bb7685d8c079be51dd3808673130_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:4036 -
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:4020 -
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=B14D6481BC369553E397C9281DAB17F9 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4592
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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=26E649B94A988DC656A6A5F288A229BF --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=26E649B94A988DC656A6A5F288A229BF --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:13⤵PID:4712
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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=DB5EF8B1D0782DCB4289EAA667D268BF --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4560
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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=8218240A0A060495E296F1B1E84875AF --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=8218240A0A060495E296F1B1E84875AF --renderer-client-id=5 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job /prefetch:13⤵PID:2840
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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=11FAD38CA9CFCAFF8296EE90DBE3F19D --mojo-platform-channel-handle=1920 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1180
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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=31E27E0CDA3A177770404D743612D090 --mojo-platform-channel-handle=1908 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4812
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4076
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD5efd4c8169d56124c2f0dd6b73b5460b2
SHA1d27b48017d0f0b29d464dc7218a427efe7616915
SHA25630631e2374b44b5fc37a742459926b7fa70f49b62ed7df82770a9cdbac0fed38
SHA51299a2c1645046e363034e12c03e294bcafc8cbc1fe29f5c78209f2529b1ee8b371cfbefd82da428e1905f27cc7e342cc193e65aa5ab109fd7dade07046f66e48b
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5