Analysis
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max time kernel
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max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
11/01/2025, 20:53
Static task
static1
URLScan task
urlscan1
General
Malware Config
Signatures
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Quasar family
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Quasar payload 2 IoCs
resource yara_rule behavioral1/memory/3800-101-0x00000274875A0000-0x00000274876D8000-memory.dmp family_quasar behavioral1/memory/3800-102-0x0000027487AC0000-0x0000027487AD6000-memory.dmp family_quasar -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS msedge.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer msedge.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName msedge.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000_Classes\Local Settings msedge.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 3524 msedge.exe 3524 msedge.exe 4928 msedge.exe 4928 msedge.exe 4588 identity_helper.exe 4588 identity_helper.exe 4044 msedge.exe 4044 msedge.exe -
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
pid Process 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3800 Quasar.exe -
Suspicious use of FindShellTrayWindow 60 IoCs
pid Process 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 3800 Quasar.exe -
Suspicious use of SendNotifyMessage 25 IoCs
pid Process 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 4928 msedge.exe 3800 Quasar.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4928 wrote to memory of 4416 4928 msedge.exe 85 PID 4928 wrote to memory of 4416 4928 msedge.exe 85 PID 4928 wrote to memory of 4756 4928 msedge.exe 86 PID 4928 wrote to memory of 4756 4928 msedge.exe 86 PID 4928 wrote to memory of 4756 4928 msedge.exe 86 PID 4928 wrote to memory of 4756 4928 msedge.exe 86 PID 4928 wrote to memory of 4756 4928 msedge.exe 86 PID 4928 wrote to memory of 4756 4928 msedge.exe 86 PID 4928 wrote to memory of 4756 4928 msedge.exe 86 PID 4928 wrote to memory of 4756 4928 msedge.exe 86 PID 4928 wrote to memory of 4756 4928 msedge.exe 86 PID 4928 wrote to memory of 4756 4928 msedge.exe 86 PID 4928 wrote to memory of 4756 4928 msedge.exe 86 PID 4928 wrote to memory of 4756 4928 msedge.exe 86 PID 4928 wrote to memory of 4756 4928 msedge.exe 86 PID 4928 wrote to memory of 4756 4928 msedge.exe 86 PID 4928 wrote to memory of 4756 4928 msedge.exe 86 PID 4928 wrote to memory of 4756 4928 msedge.exe 86 PID 4928 wrote to memory of 4756 4928 msedge.exe 86 PID 4928 wrote to memory of 4756 4928 msedge.exe 86 PID 4928 wrote to memory of 4756 4928 msedge.exe 86 PID 4928 wrote to memory of 4756 4928 msedge.exe 86 PID 4928 wrote to memory of 4756 4928 msedge.exe 86 PID 4928 wrote to memory of 4756 4928 msedge.exe 86 PID 4928 wrote to memory of 4756 4928 msedge.exe 86 PID 4928 wrote to memory of 4756 4928 msedge.exe 86 PID 4928 wrote to memory of 4756 4928 msedge.exe 86 PID 4928 wrote to memory of 4756 4928 msedge.exe 86 PID 4928 wrote to memory of 4756 4928 msedge.exe 86 PID 4928 wrote to memory of 4756 4928 msedge.exe 86 PID 4928 wrote to memory of 4756 4928 msedge.exe 86 PID 4928 wrote to memory of 4756 4928 msedge.exe 86 PID 4928 wrote to memory of 4756 4928 msedge.exe 86 PID 4928 wrote to memory of 4756 4928 msedge.exe 86 PID 4928 wrote to memory of 4756 4928 msedge.exe 86 PID 4928 wrote to memory of 4756 4928 msedge.exe 86 PID 4928 wrote to memory of 4756 4928 msedge.exe 86 PID 4928 wrote to memory of 4756 4928 msedge.exe 86 PID 4928 wrote to memory of 4756 4928 msedge.exe 86 PID 4928 wrote to memory of 4756 4928 msedge.exe 86 PID 4928 wrote to memory of 4756 4928 msedge.exe 86 PID 4928 wrote to memory of 4756 4928 msedge.exe 86 PID 4928 wrote to memory of 3524 4928 msedge.exe 87 PID 4928 wrote to memory of 3524 4928 msedge.exe 87 PID 4928 wrote to memory of 4524 4928 msedge.exe 88 PID 4928 wrote to memory of 4524 4928 msedge.exe 88 PID 4928 wrote to memory of 4524 4928 msedge.exe 88 PID 4928 wrote to memory of 4524 4928 msedge.exe 88 PID 4928 wrote to memory of 4524 4928 msedge.exe 88 PID 4928 wrote to memory of 4524 4928 msedge.exe 88 PID 4928 wrote to memory of 4524 4928 msedge.exe 88 PID 4928 wrote to memory of 4524 4928 msedge.exe 88 PID 4928 wrote to memory of 4524 4928 msedge.exe 88 PID 4928 wrote to memory of 4524 4928 msedge.exe 88 PID 4928 wrote to memory of 4524 4928 msedge.exe 88 PID 4928 wrote to memory of 4524 4928 msedge.exe 88 PID 4928 wrote to memory of 4524 4928 msedge.exe 88 PID 4928 wrote to memory of 4524 4928 msedge.exe 88 PID 4928 wrote to memory of 4524 4928 msedge.exe 88 PID 4928 wrote to memory of 4524 4928 msedge.exe 88 PID 4928 wrote to memory of 4524 4928 msedge.exe 88 PID 4928 wrote to memory of 4524 4928 msedge.exe 88 PID 4928 wrote to memory of 4524 4928 msedge.exe 88 PID 4928 wrote to memory of 4524 4928 msedge.exe 88
Processes
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --start-maximized --single-argument https://github.com/quasar/Quasar/releases/download/v1.4.1/Quasar.v1.4.1.zip1⤵
- Enumerates system info in registry
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4928 -
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,0x100,0x104,0xd8,0x108,0x7ffc1efb46f8,0x7ffc1efb4708,0x7ffc1efb47182⤵PID:4416
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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=2124,2816836827842694311,18382621188379586092,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2172 /prefetch:22⤵PID:4756
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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=2124,2816836827842694311,18382621188379586092,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2224 /prefetch:32⤵
- Suspicious behavior: EnumeratesProcesses
PID:3524
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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=2124,2816836827842694311,18382621188379586092,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2844 /prefetch:82⤵PID:4524
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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=2124,2816836827842694311,18382621188379586092,131072 --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=3360 /prefetch:12⤵PID:388
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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=2124,2816836827842694311,18382621188379586092,131072 --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=3380 /prefetch:12⤵PID:2676
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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=2124,2816836827842694311,18382621188379586092,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5328 /prefetch:82⤵PID:4472
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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=2124,2816836827842694311,18382621188379586092,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5328 /prefetch:82⤵
- Suspicious behavior: EnumeratesProcesses
PID:4588
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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=2124,2816836827842694311,18382621188379586092,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5616 /prefetch:12⤵PID:4356
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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=2124,2816836827842694311,18382621188379586092,131072 --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=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5568 /prefetch:12⤵PID:1876
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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=2124,2816836827842694311,18382621188379586092,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5652 /prefetch:12⤵PID:4144
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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=2124,2816836827842694311,18382621188379586092,131072 --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=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5264 /prefetch:12⤵PID:5108
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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=edge_collections.mojom.CollectionsDataManager --field-trial-handle=2124,2816836827842694311,18382621188379586092,131072 --lang=en-US --service-sandbox-type=collections --mojo-platform-channel-handle=4752 /prefetch:82⤵PID:4328
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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=2124,2816836827842694311,18382621188379586092,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5736 /prefetch:12⤵PID:4420
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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=quarantine.mojom.Quarantine --field-trial-handle=2124,2816836827842694311,18382621188379586092,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6120 /prefetch:82⤵
- Suspicious behavior: EnumeratesProcesses
PID:4044
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4584
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:432
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:232
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C:\Users\Admin\Downloads\Quasar.v1.4.1\Quasar v1.4.1\Quasar.exe"C:\Users\Admin\Downloads\Quasar.v1.4.1\Quasar v1.4.1\Quasar.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:3800
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
152B
MD5d7cb450b1315c63b1d5d89d98ba22da5
SHA1694005cd9e1a4c54e0b83d0598a8a0c089df1556
SHA25638355fd694faf1223518e40bac1996bdceaf44191214b0a23c4334d5fb07d031
SHA512df04d4f4b77bae447a940b28aeac345b21b299d8d26e28ecbb3c1c9e9a0e07c551e412d545c7dbb147a92c12bad7ae49ac35af021c34b88e2c6c5f7a0b65f6a8
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Filesize
152B
MD537f660dd4b6ddf23bc37f5c823d1c33a
SHA11c35538aa307a3e09d15519df6ace99674ae428b
SHA2564e2510a1d5a50a94fe4ce0f74932ab780758a8cbdc6d176a9ce8ab92309f26f8
SHA512807b8b8dc9109b6f78fc63655450bf12b9a006ff63e8f29ade8899d45fdf4a6c068c5c46a3efbc4232b9e1e35d6494f00ded5cdb3e235c8a25023bfbd823992d
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Filesize
111B
MD5807419ca9a4734feaf8d8563a003b048
SHA1a723c7d60a65886ffa068711f1e900ccc85922a6
SHA256aa10bf07b0d265bed28f2a475f3564d8ddb5e4d4ffee0ab6f3a0cc564907b631
SHA512f10d496ae75db5ba412bd9f17bf0c7da7632db92a3fabf7f24071e40f5759c6a875ad8f3a72bad149da58b3da3b816077df125d0d9f3544adba68c66353d206c
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Filesize
5KB
MD5f8df6b47093306c146df833734fa3b78
SHA1240dccdf9b66cf1abe2b57f2c484059db17bf9ec
SHA25657510ce938fff1fcf1abc14d9ec04a400edcac377c8b873dd14e6668a48b9000
SHA51253e570fa4ff2f126875f8cc814a74b5472065fb2ae7374032cac086f8f43f66e4d1d07a3f0c6622894825b2066d4db6c06e71b4f03f01e0b7fdf8be6884c93bd
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Filesize
6KB
MD5c87e61ac345b54a41d527fd86cdefec4
SHA1f47fb318df2d288e42d1a4adf531803e5ccd6b29
SHA256fde458c38290805815bdfab481df0f269dd9b9743b4db1c6fc79046c28966736
SHA512d0efa0ff58842346261b3a31abf5ae002f3acd32672774f205f53e4b90a020f261c5f3105bd109b981a467b0c47a34802812e60215a9e663c0cfb8d2887e2db4
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Filesize
6KB
MD5e97f7eb7af8d07f5ff74ac9534ce9a44
SHA13e6dd871ddd0cdcad0dd0167697b8186b8c3ca85
SHA2565a4e893a4b332cb440640698a51845d0da9aed6aee165f53ecfea3279447d165
SHA5124082056b2ce98925904bd76d5fff6490c4de695803d6423877c6d535fcc4af147c74a669e66189d3335cb59b095b2712b4fc5401faad4d0d04242f85676e0ac8
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Filesize
16B
MD56752a1d65b201c13b62ea44016eb221f
SHA158ecf154d01a62233ed7fb494ace3c3d4ffce08b
SHA2560861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd
SHA5129cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389
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Filesize
10KB
MD5a158f4502b2e923c8941771df04f8cae
SHA1a7d5fc26d6ee13a2cccfaa6f3d9ca401e9e9fd97
SHA256ef72abfa7c76e74dfa302268b3c60921451d50fc5df7fc3fe1443f84fd411bb9
SHA5127d700f592b56294b1f60e27fba973e33c09406567bec1e159651f9f23cede28ce87ff0615d71af9b0ec9d11502f28f5cd968d0ecb19bafda5b962febdf3bde2b
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Filesize
10KB
MD5768aa28681794bcdffb68da7e342fcf1
SHA1446bb3d7904ecfd5fb331430d288c95c8385df0d
SHA25621d90f3e7ac07fed51fe9d510aead03a5e1e2a3f2c1f7cd7817b5ad05de947a1
SHA5124714b339b3d618769f920ddd59c775172fbeb86c82929c50890c4da44f6f9354758237c7070bb6809274fd2bfed62c1a7a442859f40b90ed07ef5cc79cfab24f
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Filesize
3.3MB
MD513aa4bf4f5ed1ac503c69470b1ede5c1
SHA1c0b7dadff8ac37f6d9fd00ae7f375e12812bfc00
SHA2564cdeb2eae1cec1ab07077142313c524e9cf360cdec63497538c4405c2d8ded62
SHA512767b03e4e0c2a97cb0282b523bcad734f0c6d226cd1e856f6861e6ae83401d0d30946ad219c8c5de3c90028a0141d3dc0111c85e0a0952156cf09e189709fa7d