Analysis
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max time kernel
45s -
max time network
49s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
13-06-2024 18:21
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://media-sfu3-55c9ff4545-d8z8d-eu-central-1.media.prod.tokbox.com/rumorwebsocketsv2?socketId=2898ba84-4e6d-4f4d-a912-1cca770e46ad&attempt=eed20278-796c-4ff1-954f-dd6cabc0ce40
Resource
win10v2004-20240611-en
General
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Target
https://media-sfu3-55c9ff4545-d8z8d-eu-central-1.media.prod.tokbox.com/rumorwebsocketsv2?socketId=2898ba84-4e6d-4f4d-a912-1cca770e46ad&attempt=eed20278-796c-4ff1-954f-dd6cabc0ce40
Malware Config
Signatures
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Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
Winword.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString Winword.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 Winword.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz Winword.exe -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
Winword.exedescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS Winword.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily Winword.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU Winword.exe -
Modifies registry class 2 IoCs
Processes:
OpenWith.exeOpenWith.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000_Classes\Local Settings OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000_Classes\Local Settings OpenWith.exe -
NTFS ADS 1 IoCs
Processes:
msedge.exedescription ioc process File opened for modification C:\Users\Admin\Downloads\rumorwebsocketsv2:Zone.Identifier msedge.exe -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
Processes:
Winword.exepid process 3968 Winword.exe 3968 Winword.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
OpenWith.exepid process 2824 OpenWith.exe -
Suspicious use of SetWindowsHookEx 64 IoCs
Processes:
OpenWith.exeOpenWith.exeWinword.exepid process 692 OpenWith.exe 692 OpenWith.exe 692 OpenWith.exe 692 OpenWith.exe 692 OpenWith.exe 692 OpenWith.exe 692 OpenWith.exe 692 OpenWith.exe 692 OpenWith.exe 692 OpenWith.exe 692 OpenWith.exe 692 OpenWith.exe 692 OpenWith.exe 692 OpenWith.exe 692 OpenWith.exe 692 OpenWith.exe 692 OpenWith.exe 692 OpenWith.exe 692 OpenWith.exe 2824 OpenWith.exe 2824 OpenWith.exe 2824 OpenWith.exe 2824 OpenWith.exe 2824 OpenWith.exe 2824 OpenWith.exe 2824 OpenWith.exe 2824 OpenWith.exe 2824 OpenWith.exe 2824 OpenWith.exe 2824 OpenWith.exe 2824 OpenWith.exe 2824 OpenWith.exe 2824 OpenWith.exe 2824 OpenWith.exe 2824 OpenWith.exe 2824 OpenWith.exe 2824 OpenWith.exe 2824 OpenWith.exe 2824 OpenWith.exe 2824 OpenWith.exe 2824 OpenWith.exe 2824 OpenWith.exe 2824 OpenWith.exe 2824 OpenWith.exe 2824 OpenWith.exe 2824 OpenWith.exe 2824 OpenWith.exe 2824 OpenWith.exe 2824 OpenWith.exe 2824 OpenWith.exe 2824 OpenWith.exe 2824 OpenWith.exe 2824 OpenWith.exe 2824 OpenWith.exe 2824 OpenWith.exe 2824 OpenWith.exe 2824 OpenWith.exe 2824 OpenWith.exe 3968 Winword.exe 3968 Winword.exe 3968 Winword.exe 3968 Winword.exe 3968 Winword.exe 3968 Winword.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
OpenWith.exeOpenWith.exedescription pid process target process PID 692 wrote to memory of 2828 692 OpenWith.exe NOTEPAD.EXE PID 692 wrote to memory of 2828 692 OpenWith.exe NOTEPAD.EXE PID 2824 wrote to memory of 3968 2824 OpenWith.exe Winword.exe PID 2824 wrote to memory of 3968 2824 OpenWith.exe Winword.exe
Processes
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://media-sfu3-55c9ff4545-d8z8d-eu-central-1.media.prod.tokbox.com/rumorwebsocketsv2?socketId=2898ba84-4e6d-4f4d-a912-1cca770e46ad&attempt=eed20278-796c-4ff1-954f-dd6cabc0ce401⤵PID:2076
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=16 --field-trial-handle=4688,i,17325488789339133686,9539570259395798500,262144 --variations-seed-version --mojo-platform-channel-handle=4104 /prefetch:11⤵PID:5012
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=15 --field-trial-handle=4692,i,17325488789339133686,9539570259395798500,262144 --variations-seed-version --mojo-platform-channel-handle=4636 /prefetch:11⤵PID:2040
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=17 --field-trial-handle=5312,i,17325488789339133686,9539570259395798500,262144 --variations-seed-version --mojo-platform-channel-handle=5344 /prefetch:11⤵PID:1556
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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=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=1300,i,17325488789339133686,9539570259395798500,262144 --variations-seed-version --mojo-platform-channel-handle=5480 /prefetch:81⤵PID:2308
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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=entity_extraction_service.mojom.Extractor --lang=en-US --service-sandbox-type=entity_extraction --onnx-enabled-for-ee --field-trial-handle=5488,i,17325488789339133686,9539570259395798500,262144 --variations-seed-version --mojo-platform-channel-handle=5532 /prefetch:81⤵PID:4988
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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 --lang=en-US --service-sandbox-type=collections --field-trial-handle=5072,i,17325488789339133686,9539570259395798500,262144 --variations-seed-version --mojo-platform-channel-handle=6120 /prefetch:81⤵PID:4512
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=21 --field-trial-handle=6272,i,17325488789339133686,9539570259395798500,262144 --variations-seed-version --mojo-platform-channel-handle=4636 /prefetch:11⤵PID:2876
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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 --lang=en-US --service-sandbox-type=none --field-trial-handle=6164,i,17325488789339133686,9539570259395798500,262144 --variations-seed-version --mojo-platform-channel-handle=6588 /prefetch:81⤵
- NTFS ADS
PID:596
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=23 --field-trial-handle=6648,i,17325488789339133686,9539570259395798500,262144 --variations-seed-version --mojo-platform-channel-handle=6544 /prefetch:11⤵PID:1108
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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=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --field-trial-handle=6128,i,17325488789339133686,9539570259395798500,262144 --variations-seed-version --mojo-platform-channel-handle=6560 /prefetch:81⤵PID:1124
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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=audio.mojom.AudioService --lang=en-US --service-sandbox-type=audio --field-trial-handle=6884,i,17325488789339133686,9539570259395798500,262144 --variations-seed-version --mojo-platform-channel-handle=6876 /prefetch:81⤵PID:3512
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x48c 0x4d81⤵PID:4552
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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:3664
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C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:692 -
C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Downloads\rumorwebsocketsv22⤵PID:2828
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C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2824 -
C:\Program Files\Microsoft Office\root\Office16\Winword.exe"C:\Program Files\Microsoft Office\root\Office16\Winword.exe" /n "C:\Users\Admin\Downloads\rumorwebsocketsv2"2⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3968
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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_search_indexer.mojom.SearchIndexerInterfaceBroker --lang=en-US --service-sandbox-type=search_indexer --message-loop-type-ui --field-trial-handle=6220,i,17325488789339133686,9539570259395798500,262144 --variations-seed-version --mojo-platform-channel-handle=6208 /prefetch:81⤵PID:3644
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
233B
MD567d4ddac2fd3d598c609ae4f036ffe7b
SHA15fe18b045298701b8e4c7b9ac1dc5bd52e7de174
SHA2568ebd4ed00732071e1a63429f7df1effc3047a317605498f30475e215dfe5d968
SHA51219201ff7b5f62dea35ca9a608ff0b41494cf420d66fed38c5e91cc226d05ba28594545658e899df740338c3371393b6a83e476f38933f908a34fd0e36b797efa
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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e