Analysis
-
max time kernel
133s -
max time network
135s -
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 06:06
Behavioral task
behavioral1
Sample
efc4dea34021f84bc0c08b0cbabd1ef0_NEIKI.pdf
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
efc4dea34021f84bc0c08b0cbabd1ef0_NEIKI.pdf
Resource
win10v2004-20240419-en
General
-
Target
efc4dea34021f84bc0c08b0cbabd1ef0_NEIKI.pdf
-
Size
530KB
-
MD5
efc4dea34021f84bc0c08b0cbabd1ef0
-
SHA1
f69c14a1b9ed38cf10550d287a3e5bfaa279b5ef
-
SHA256
3719358a31ec939c93c161d96a196ee2bd7fe3e8962ada7bebd3269baf9110f3
-
SHA512
a81f580ad88ac11b8e3318f192e13357bed0bc7a21af921392d62edf754bb94a173471fb5326f3406a939265e3bca7b5a10f652ce9a946f1d1dfe244ad91374b
-
SSDEEP
12288:H3Dy5tMcy3X01jJ7ubhNesM6Xl2di3Zon/Wlbh20l6+JjYOB5K:XuLMcy3k/ybhNeqXl2w3ZaW1BgokOBw
Malware Config
Signatures
-
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-1-5-21-2818691465-3043947619-2475182763-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 4780 AcroRd32.exe 4780 AcroRd32.exe 4780 AcroRd32.exe 4780 AcroRd32.exe 4780 AcroRd32.exe 4780 AcroRd32.exe 4780 AcroRd32.exe 4780 AcroRd32.exe 4780 AcroRd32.exe 4780 AcroRd32.exe 4780 AcroRd32.exe 4780 AcroRd32.exe 4780 AcroRd32.exe 4780 AcroRd32.exe 4780 AcroRd32.exe 4780 AcroRd32.exe 4780 AcroRd32.exe 4780 AcroRd32.exe 4780 AcroRd32.exe 4780 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4780 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 4780 AcroRd32.exe 4780 AcroRd32.exe 4780 AcroRd32.exe 4780 AcroRd32.exe 4780 AcroRd32.exe 4780 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4780 wrote to memory of 3436 4780 AcroRd32.exe 92 PID 4780 wrote to memory of 3436 4780 AcroRd32.exe 92 PID 4780 wrote to memory of 3436 4780 AcroRd32.exe 92 PID 3436 wrote to memory of 2052 3436 RdrCEF.exe 93 PID 3436 wrote to memory of 2052 3436 RdrCEF.exe 93 PID 3436 wrote to memory of 2052 3436 RdrCEF.exe 93 PID 3436 wrote to memory of 2052 3436 RdrCEF.exe 93 PID 3436 wrote to memory of 2052 3436 RdrCEF.exe 93 PID 3436 wrote to memory of 2052 3436 RdrCEF.exe 93 PID 3436 wrote to memory of 2052 3436 RdrCEF.exe 93 PID 3436 wrote to memory of 2052 3436 RdrCEF.exe 93 PID 3436 wrote to memory of 2052 3436 RdrCEF.exe 93 PID 3436 wrote to memory of 2052 3436 RdrCEF.exe 93 PID 3436 wrote to memory of 2052 3436 RdrCEF.exe 93 PID 3436 wrote to memory of 2052 3436 RdrCEF.exe 93 PID 3436 wrote to memory of 2052 3436 RdrCEF.exe 93 PID 3436 wrote to memory of 2052 3436 RdrCEF.exe 93 PID 3436 wrote to memory of 2052 3436 RdrCEF.exe 93 PID 3436 wrote to memory of 2052 3436 RdrCEF.exe 93 PID 3436 wrote to memory of 2052 3436 RdrCEF.exe 93 PID 3436 wrote to memory of 2052 3436 RdrCEF.exe 93 PID 3436 wrote to memory of 2052 3436 RdrCEF.exe 93 PID 3436 wrote to memory of 2052 3436 RdrCEF.exe 93 PID 3436 wrote to memory of 2052 3436 RdrCEF.exe 93 PID 3436 wrote to memory of 2052 3436 RdrCEF.exe 93 PID 3436 wrote to memory of 2052 3436 RdrCEF.exe 93 PID 3436 wrote to memory of 2052 3436 RdrCEF.exe 93 PID 3436 wrote to memory of 2052 3436 RdrCEF.exe 93 PID 3436 wrote to memory of 2052 3436 RdrCEF.exe 93 PID 3436 wrote to memory of 2052 3436 RdrCEF.exe 93 PID 3436 wrote to memory of 2052 3436 RdrCEF.exe 93 PID 3436 wrote to memory of 2052 3436 RdrCEF.exe 93 PID 3436 wrote to memory of 2052 3436 RdrCEF.exe 93 PID 3436 wrote to memory of 2052 3436 RdrCEF.exe 93 PID 3436 wrote to memory of 2052 3436 RdrCEF.exe 93 PID 3436 wrote to memory of 2052 3436 RdrCEF.exe 93 PID 3436 wrote to memory of 2052 3436 RdrCEF.exe 93 PID 3436 wrote to memory of 2052 3436 RdrCEF.exe 93 PID 3436 wrote to memory of 2052 3436 RdrCEF.exe 93 PID 3436 wrote to memory of 2052 3436 RdrCEF.exe 93 PID 3436 wrote to memory of 2052 3436 RdrCEF.exe 93 PID 3436 wrote to memory of 2052 3436 RdrCEF.exe 93 PID 3436 wrote to memory of 2052 3436 RdrCEF.exe 93 PID 3436 wrote to memory of 2052 3436 RdrCEF.exe 93 PID 3436 wrote to memory of 2368 3436 RdrCEF.exe 94 PID 3436 wrote to memory of 2368 3436 RdrCEF.exe 94 PID 3436 wrote to memory of 2368 3436 RdrCEF.exe 94 PID 3436 wrote to memory of 2368 3436 RdrCEF.exe 94 PID 3436 wrote to memory of 2368 3436 RdrCEF.exe 94 PID 3436 wrote to memory of 2368 3436 RdrCEF.exe 94 PID 3436 wrote to memory of 2368 3436 RdrCEF.exe 94 PID 3436 wrote to memory of 2368 3436 RdrCEF.exe 94 PID 3436 wrote to memory of 2368 3436 RdrCEF.exe 94 PID 3436 wrote to memory of 2368 3436 RdrCEF.exe 94 PID 3436 wrote to memory of 2368 3436 RdrCEF.exe 94 PID 3436 wrote to memory of 2368 3436 RdrCEF.exe 94 PID 3436 wrote to memory of 2368 3436 RdrCEF.exe 94 PID 3436 wrote to memory of 2368 3436 RdrCEF.exe 94 PID 3436 wrote to memory of 2368 3436 RdrCEF.exe 94 PID 3436 wrote to memory of 2368 3436 RdrCEF.exe 94 PID 3436 wrote to memory of 2368 3436 RdrCEF.exe 94 PID 3436 wrote to memory of 2368 3436 RdrCEF.exe 94 PID 3436 wrote to memory of 2368 3436 RdrCEF.exe 94 PID 3436 wrote to memory of 2368 3436 RdrCEF.exe 94
Processes
-
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\efc4dea34021f84bc0c08b0cbabd1ef0_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:4780 -
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:3436 -
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=20D327F75F7C5BF5D8A675D568C7DA76 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2052
-
-
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=C150BC0BB65D6501B4733C314158A7AA --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=C150BC0BB65D6501B4733C314158A7AA --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:13⤵PID:2368
-
-
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=BEC9364E7CDF4CA0E9877DF7676BECE4 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2964
-
-
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=133E98F7E54356EEDF0917F2FCFFA67E --mojo-platform-channel-handle=1952 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4216
-
-
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=435C2A3DCABBDBB12E7B1888DF0249E2 --mojo-platform-channel-handle=2280 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2072
-
-
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=0E6FC6A11290A79DD39B69D922AE9ED3 --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=0E6FC6A11290A79DD39B69D922AE9ED3 --renderer-client-id=7 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job /prefetch:13⤵PID:968
-
-
-
C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:1432
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
64KB
MD52994918f59311d6d856330495b848119
SHA14131f6d10312b49aa4aee169baa0e04da991e591
SHA2568bc8e54d04cf5edbed73d7955f6ce7f3eb7adb01d1fc9c00ba3c35ee5e9723b0
SHA512d17c469214c981ca08e34a8f758889edf67b625e82c8bd98a61a1c60371b25b8da5858fcb1e6bda3c810d462a6cfcc136e1a7d35abe9a57faae7b588fc846f70
-
Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
-
Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5