Analysis
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max time kernel
488s -
max time network
605s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
14-01-2024 14:31
Static task
static1
Behavioral task
behavioral1
Sample
Nezur.exe
Resource
win10v2004-20231215-en
General
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Target
Nezur.exe
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Size
14.7MB
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MD5
b69e41217fcc23bec762fd3aa79b95bb
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SHA1
ee04c6bb804f89a547079ce5b4abba9ad4b5c179
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SHA256
03902be743ffcb706c54dc5d972aa2178c4c762213afd69b79ecdf2fcc4e1518
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SHA512
39c45ca81f284cc76d64dd66fb99bd9d0c713d446e741c5e8dcde94bfd1bf0a71f3e6031fdf877fd815f06a9f84032e79939bf50b5e9bf8f5ba0555763e3aa5b
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SSDEEP
98304:UiHbalWeWP84rAJzM0gLIRfyC7egWJT56w65z/vA/OcOQi8ur+xMsnKMCFJlIsz9:TOM8Wb0guheg656w6Vr8ucnmtz9
Malware Config
Signatures
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName msedge.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS msedge.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer msedge.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 3244 msedge.exe 3244 msedge.exe 4880 msedge.exe 4880 msedge.exe 3148 identity_helper.exe 3148 identity_helper.exe 3196 msedge.exe 3196 msedge.exe 3196 msedge.exe 3196 msedge.exe -
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
pid Process 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe -
Suspicious use of FindShellTrayWindow 25 IoCs
pid Process 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe -
Suspicious use of SendNotifyMessage 24 IoCs
pid Process 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe 4880 msedge.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1424 wrote to memory of 4880 1424 Nezur.exe 92 PID 1424 wrote to memory of 4880 1424 Nezur.exe 92 PID 4880 wrote to memory of 4696 4880 msedge.exe 93 PID 4880 wrote to memory of 4696 4880 msedge.exe 93 PID 4880 wrote to memory of 3096 4880 msedge.exe 95 PID 4880 wrote to memory of 3096 4880 msedge.exe 95 PID 4880 wrote to memory of 3096 4880 msedge.exe 95 PID 4880 wrote to memory of 3096 4880 msedge.exe 95 PID 4880 wrote to memory of 3096 4880 msedge.exe 95 PID 4880 wrote to memory of 3096 4880 msedge.exe 95 PID 4880 wrote to memory of 3096 4880 msedge.exe 95 PID 4880 wrote to memory of 3096 4880 msedge.exe 95 PID 4880 wrote to memory of 3096 4880 msedge.exe 95 PID 4880 wrote to memory of 3096 4880 msedge.exe 95 PID 4880 wrote to memory of 3096 4880 msedge.exe 95 PID 4880 wrote to memory of 3096 4880 msedge.exe 95 PID 4880 wrote to memory of 3096 4880 msedge.exe 95 PID 4880 wrote to memory of 3096 4880 msedge.exe 95 PID 4880 wrote to memory of 3096 4880 msedge.exe 95 PID 4880 wrote to memory of 3096 4880 msedge.exe 95 PID 4880 wrote to memory of 3096 4880 msedge.exe 95 PID 4880 wrote to memory of 3096 4880 msedge.exe 95 PID 4880 wrote to memory of 3096 4880 msedge.exe 95 PID 4880 wrote to memory of 3096 4880 msedge.exe 95 PID 4880 wrote to memory of 3096 4880 msedge.exe 95 PID 4880 wrote to memory of 3096 4880 msedge.exe 95 PID 4880 wrote to memory of 3096 4880 msedge.exe 95 PID 4880 wrote to memory of 3096 4880 msedge.exe 95 PID 4880 wrote to memory of 3096 4880 msedge.exe 95 PID 4880 wrote to memory of 3096 4880 msedge.exe 95 PID 4880 wrote to memory of 3096 4880 msedge.exe 95 PID 4880 wrote to memory of 3096 4880 msedge.exe 95 PID 4880 wrote to memory of 3096 4880 msedge.exe 95 PID 4880 wrote to memory of 3096 4880 msedge.exe 95 PID 4880 wrote to memory of 3096 4880 msedge.exe 95 PID 4880 wrote to memory of 3096 4880 msedge.exe 95 PID 4880 wrote to memory of 3096 4880 msedge.exe 95 PID 4880 wrote to memory of 3096 4880 msedge.exe 95 PID 4880 wrote to memory of 3096 4880 msedge.exe 95 PID 4880 wrote to memory of 3096 4880 msedge.exe 95 PID 4880 wrote to memory of 3096 4880 msedge.exe 95 PID 4880 wrote to memory of 3096 4880 msedge.exe 95 PID 4880 wrote to memory of 3096 4880 msedge.exe 95 PID 4880 wrote to memory of 3096 4880 msedge.exe 95 PID 4880 wrote to memory of 3244 4880 msedge.exe 96 PID 4880 wrote to memory of 3244 4880 msedge.exe 96 PID 4880 wrote to memory of 4264 4880 msedge.exe 97 PID 4880 wrote to memory of 4264 4880 msedge.exe 97 PID 4880 wrote to memory of 4264 4880 msedge.exe 97 PID 4880 wrote to memory of 4264 4880 msedge.exe 97 PID 4880 wrote to memory of 4264 4880 msedge.exe 97 PID 4880 wrote to memory of 4264 4880 msedge.exe 97 PID 4880 wrote to memory of 4264 4880 msedge.exe 97 PID 4880 wrote to memory of 4264 4880 msedge.exe 97 PID 4880 wrote to memory of 4264 4880 msedge.exe 97 PID 4880 wrote to memory of 4264 4880 msedge.exe 97 PID 4880 wrote to memory of 4264 4880 msedge.exe 97 PID 4880 wrote to memory of 4264 4880 msedge.exe 97 PID 4880 wrote to memory of 4264 4880 msedge.exe 97 PID 4880 wrote to memory of 4264 4880 msedge.exe 97 PID 4880 wrote to memory of 4264 4880 msedge.exe 97 PID 4880 wrote to memory of 4264 4880 msedge.exe 97 PID 4880 wrote to memory of 4264 4880 msedge.exe 97 PID 4880 wrote to memory of 4264 4880 msedge.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\Nezur.exe"C:\Users\Admin\AppData\Local\Temp\Nezur.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1424 -
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://aka.ms/dotnet-core-applaunch?framework=Microsoft.NETCore.App&framework_version=7.0.0&arch=x64&rid=win-x64&os=win10&gui=true2⤵
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4880 -
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffc867546f8,0x7ffc86754708,0x7ffc867547183⤵PID:4696
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1832,7514320848418638894,8941839344066474516,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2188 /prefetch:23⤵PID:3096
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=1832,7514320848418638894,8941839344066474516,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2240 /prefetch:33⤵
- Suspicious behavior: EnumeratesProcesses
PID:3244
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=1832,7514320848418638894,8941839344066474516,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2864 /prefetch:83⤵PID:4264
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1832,7514320848418638894,8941839344066474516,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3388 /prefetch:13⤵PID:4924
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1832,7514320848418638894,8941839344066474516,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3396 /prefetch:13⤵PID:1776
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1832,7514320848418638894,8941839344066474516,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4652 /prefetch:13⤵PID:1404
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C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe"C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=1832,7514320848418638894,8941839344066474516,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4940 /prefetch:83⤵PID:408
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C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe"C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=1832,7514320848418638894,8941839344066474516,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4940 /prefetch:83⤵
- Suspicious behavior: EnumeratesProcesses
PID:3148
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1832,7514320848418638894,8941839344066474516,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4756 /prefetch:13⤵PID:1844
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1832,7514320848418638894,8941839344066474516,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5212 /prefetch:13⤵PID:844
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1832,7514320848418638894,8941839344066474516,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4580 /prefetch:13⤵PID:2008
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1832,7514320848418638894,8941839344066474516,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5100 /prefetch:13⤵PID:4812
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1832,7514320848418638894,8941839344066474516,131072 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAQAAAAAAAAAAAAAAAAAABgAAAEAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=5432 /prefetch:23⤵
- Suspicious behavior: EnumeratesProcesses
PID:3196
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:844
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:2152
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
152B
MD5011193d03a2492ca44f9a78bdfb8caa5
SHA171c9ead344657b55b635898851385b5de45c7604
SHA256d21f642fdbc0f194081ffdd6a3d51b2781daef229ae6ba54c336156825b247a0
SHA512239c7d603721c694b7902996ba576c9d56acddca4e2e7bbe500039d26d0c6edafbbdc2d9f326f01d71e162872d6ff3247366481828e0659703507878ed3dd210
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Filesize
111B
MD5285252a2f6327d41eab203dc2f402c67
SHA1acedb7ba5fbc3ce914a8bf386a6f72ca7baa33c6
SHA2565dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026
SHA51211ce7cb484fee66894e63c31db0d6b7ef66ad0327d4e7e2eb85f3bcc2e836a3a522c68d681e84542e471e54f765e091efe1ee4065641b0299b15613eb32dcc0d
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Filesize
188B
MD54c68fa9da4031e4f6bce89afb698f67a
SHA105253b06c10ab70558beac773286ef6c56292e6c
SHA2569556882e8bef920eb50efe55b57afacc70c710e8ab808eb95b04e8d4b88eed2e
SHA512e750014f86f1ff47103a585b912659913f4b40c284444747c770d3ca870cbd2ca1f249406b815c518c59d5b6f95ff3761bd56912ec799a22170ca0f7aa9a7ce1
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Filesize
5KB
MD50c9a047355832884d63dcdede50ede28
SHA1904a603c5bd6ade1fa16fe58c9495678d5d78ce4
SHA256abcba98a43bbbade69540e109bbec56738a3570a804e2713d388350e82bb716d
SHA5123412a7530d3f8a14e9ad9d717ee69c84686e4e95894ac024ed0cf2e1b3c10fe7224db00559cf205dac43657f6888e10b5797e56a6080782fd2426264be977a5e
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Filesize
6KB
MD595e5c95d2cebadb421eff379f5dab83c
SHA1e8456e4f01c577c757e3d9e40fe32387f543557f
SHA256be9c0882e47ded61f8a4dabd865a3d8562884b407017c2a690beecfd5af4257f
SHA51215c4b4eeeffd42a9005e02d16f2294980ab047ca643a7bf85e9aa57a3a1fd732896fdcbe2944cccf7340491bf8c879b49e7f0dc7583b2029a164171b5ef6e83e
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Filesize
6KB
MD5d44610133ff0c762a13772c3e07141a3
SHA1b49ecb4dc79f001f61bfd7dbaf28b5bf0e8e4530
SHA256fb872b9472d51dd876e765d67712d94d4de782fbb2d807c85b1026b7c22243a1
SHA512e7a5b2f26b7da3e34551e1ee9d54cdc265e2a6847f000e082389ff7f5b9267e8c74801aad73779634a7bba52841904a5ce995725880983d8484d7a69403432c8
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Filesize
5KB
MD56efd3bec11f5c0b6d67238dda535ef11
SHA152b55467719328bb9a3625bae3297af8effe34b7
SHA25669d85abd8ba3ebd8fc05fad23946d85dd8f86657bdc4a36d0887fe666aee64ab
SHA512c50542147fb66e734c0cef0aff1227ee4d52a8f3efa5b85efef365a49a0516c27f65672ef1e69e6d3c7beb58c749dd0e586b5c29847109cefc8b72f143fdbeec
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Filesize
24KB
MD5f5b764fa779a5880b1fbe26496fe2448
SHA1aa46339e9208e7218fb66b15e62324eb1c0722e8
SHA25697de05bd79a3fd624c0d06f4cb63c244b20a035308ab249a5ef3e503a9338f3d
SHA5125bfc27e6164bcd0e42cd9aec04ba6bf3a82113ba4ad85aa5d34a550266e20ea6a6e55550ae669af4c2091319e505e1309d27b7c50269c157da0f004d246fe745
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Filesize
16B
MD56752a1d65b201c13b62ea44016eb221f
SHA158ecf154d01a62233ed7fb494ace3c3d4ffce08b
SHA2560861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd
SHA5129cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389
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Filesize
11KB
MD5aca83048dc19dd2504d8015621560304
SHA18be18d5e36cede3e27f2e77d76f1197a94bde224
SHA2560b482ba54765caeb11dbd01e5ae4604d5004871fd2fb96ae062c3e625d181e0c
SHA5121df6c7910182b15914a408d50052be0789797f768ed1d3200683d270159d07378a68361eb0d7e2d8a9db190a63d5c514b2f6d6792466d3b08d82496e740265ce
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Filesize
11KB
MD5645b0f56c90135e0d7f874fd571bbc30
SHA1383a137b3ff06e74851b2b88882a34ca75497a54
SHA2564c99465e3a23519bfac498fb69846a61ff0da24ff092f205db4bacb138c34048
SHA51267452fff3bd027d7ae54a74383bc800b4227b34394663ae58bc396c9cb335eebd1c60233d1fa4e10eb8dd358e1e5546cdfaa0864def5efc6a34ef9cf9ba7215c