Malware Analysis Report

2024-10-19 08:19

Sample ID 240613-wzk9qsxfje
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
Tags
score
1/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
1/10

Threat Level: No (potentially) malicious behavior was detected

The file 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 was found to be: No (potentially) malicious behavior was detected.

Malicious Activity Summary


Suspicious behavior: GetForegroundWindowSpam

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Checks processor information in registry

Enumerates system info in registry

Modifies registry class

NTFS ADS

Suspicious behavior: AddClipboardFormatListener

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-13 18:21

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-13 18:21

Reported

2024-06-13 18:22

Platform

win10v2004-20240611-en

Max time kernel

45s

Max time network

49s

Command Line

"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-dd6cabc0ce40

Signatures

Checks processor information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Program Files\Microsoft Office\root\Office16\Winword.exe N/A
Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 C:\Program Files\Microsoft Office\root\Office16\Winword.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Program Files\Microsoft Office\root\Office16\Winword.exe N/A

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS C:\Program Files\Microsoft Office\root\Office16\Winword.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily C:\Program Files\Microsoft Office\root\Office16\Winword.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU C:\Program Files\Microsoft Office\root\Office16\Winword.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000_Classes\Local Settings C:\Windows\system32\OpenWith.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000_Classes\Local Settings C:\Windows\system32\OpenWith.exe N/A

NTFS ADS

Description Indicator Process Target
File opened for modification C:\Users\Admin\Downloads\rumorwebsocketsv2:Zone.Identifier C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\root\Office16\Winword.exe N/A
N/A N/A C:\Program Files\Microsoft Office\root\Office16\Winword.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Windows\system32\OpenWith.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Windows\system32\OpenWith.exe N/A
N/A N/A C:\Program Files\Microsoft Office\root\Office16\Winword.exe N/A
N/A N/A C:\Program Files\Microsoft Office\root\Office16\Winword.exe N/A
N/A N/A C:\Program Files\Microsoft Office\root\Office16\Winword.exe N/A
N/A N/A C:\Program Files\Microsoft Office\root\Office16\Winword.exe N/A
N/A N/A C:\Program Files\Microsoft Office\root\Office16\Winword.exe N/A
N/A N/A C:\Program Files\Microsoft Office\root\Office16\Winword.exe N/A

Processes

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-dd6cabc0ce40

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:1

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:1

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:1

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:8

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:8

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:8

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:1

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:8

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:1

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:8

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:8

C:\Windows\system32\AUDIODG.EXE

C:\Windows\system32\AUDIODG.EXE 0x48c 0x4d8

C:\Windows\System32\rundll32.exe

C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding

C:\Windows\system32\OpenWith.exe

C:\Windows\system32\OpenWith.exe -Embedding

C:\Windows\system32\NOTEPAD.EXE

"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Downloads\rumorwebsocketsv2

C:\Windows\system32\OpenWith.exe

C:\Windows\system32\OpenWith.exe -Embedding

C:\Program Files\Microsoft Office\root\Office16\Winword.exe

"C:\Program Files\Microsoft Office\root\Office16\Winword.exe" /n "C:\Users\Admin\Downloads\rumorwebsocketsv2"

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:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 api.edgeoffer.microsoft.com udp
US 8.8.8.8:53 api.edgeoffer.microsoft.com udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 media-sfu3-55c9ff4545-d8z8d-eu-central-1.media.prod.tokbox.com udp
US 8.8.8.8:53 media-sfu3-55c9ff4545-d8z8d-eu-central-1.media.prod.tokbox.com udp
IE 94.245.104.56:443 api.edgeoffer.microsoft.com tcp
US 8.8.8.8:53 media-sfu3-55c9ff4545-d8z8d-eu-central-1.media.prod.tokbox.com udp
DE 168.100.101.21:443 media-sfu3-55c9ff4545-d8z8d-eu-central-1.media.prod.tokbox.com tcp
DE 168.100.101.21:443 media-sfu3-55c9ff4545-d8z8d-eu-central-1.media.prod.tokbox.com tcp
US 8.8.8.8:53 business.bing.com udp
US 8.8.8.8:53 business.bing.com udp
US 13.107.6.158:443 business.bing.com tcp
US 8.8.8.8:53 bzib.nelreports.net udp
US 8.8.8.8:53 bzib.nelreports.net udp
US 2.17.251.4:443 bzib.nelreports.net tcp
N/A 224.0.0.251:5353 udp
US 8.8.8.8:53 www.microsoft.com udp
US 8.8.8.8:53 www.microsoft.com udp
US 8.8.8.8:53 www.microsoft.com udp
US 23.200.189.225:443 www.microsoft.com tcp
US 8.8.8.8:53 nav-edge.smartscreen.microsoft.com udp
US 8.8.8.8:53 nav-edge.smartscreen.microsoft.com udp
US 8.8.8.8:53 dl-edge.smartscreen.microsoft.com udp
US 8.8.8.8:53 dl-edge.smartscreen.microsoft.com udp
GB 172.165.69.228:443 nav-edge.smartscreen.microsoft.com tcp
GB 172.165.69.228:443 nav-edge.smartscreen.microsoft.com tcp
GB 172.165.69.228:443 nav-edge.smartscreen.microsoft.com tcp
GB 13.87.96.169:443 dl-edge.smartscreen.microsoft.com tcp
US 8.8.8.8:53 56.104.245.94.in-addr.arpa udp
US 8.8.8.8:53 21.101.100.168.in-addr.arpa udp
US 8.8.8.8:53 159.113.53.23.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 4.251.17.2.in-addr.arpa udp
US 8.8.8.8:53 225.189.200.23.in-addr.arpa udp
US 8.8.8.8:53 71.121.18.2.in-addr.arpa udp
US 8.8.8.8:53 www.microsoft.com udp
US 8.8.8.8:53 edgestatic.azureedge.net udp
US 8.8.8.8:53 edgestatic.azureedge.net udp
US 8.8.8.8:53 c.s-microsoft.com udp
US 8.8.8.8:53 c.s-microsoft.com udp
US 13.107.246.64:443 edgestatic.azureedge.net tcp
US 13.107.246.64:443 edgestatic.azureedge.net tcp
US 13.107.246.64:443 edgestatic.azureedge.net tcp
US 13.107.246.64:443 edgestatic.azureedge.net tcp
US 13.107.246.64:443 edgestatic.azureedge.net tcp
US 13.107.246.64:443 edgestatic.azureedge.net tcp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 13.107.246.64:443 edgestatic.azureedge.net tcp
US 8.8.8.8:53 228.69.165.172.in-addr.arpa udp
US 8.8.8.8:53 169.96.87.13.in-addr.arpa udp
NL 23.62.61.171:443 www.bing.com tcp
US 8.8.8.8:53 wcpstatic.microsoft.com udp
US 8.8.8.8:53 wcpstatic.microsoft.com udp
US 13.107.246.64:443 wcpstatic.microsoft.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 171.61.62.23.in-addr.arpa udp
NL 23.62.61.155:443 www.bing.com udp
US 8.8.8.8:53 155.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.16.208.104.in-addr.arpa udp

Files

C:\Users\Admin\Downloads\rumorwebsocketsv2

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/3968-2-0x00007FF7DDA90000-0x00007FF7DDAA0000-memory.dmp

memory/3968-4-0x00007FF7DDA90000-0x00007FF7DDAA0000-memory.dmp

memory/3968-3-0x00007FF7DDA90000-0x00007FF7DDAA0000-memory.dmp

memory/3968-5-0x00007FF7DDA90000-0x00007FF7DDAA0000-memory.dmp

memory/3968-6-0x00007FF7DDA90000-0x00007FF7DDAA0000-memory.dmp

memory/3968-7-0x00007FF7DB200000-0x00007FF7DB210000-memory.dmp

memory/3968-8-0x00007FF7DB200000-0x00007FF7DB210000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat

MD5 67d4ddac2fd3d598c609ae4f036ffe7b
SHA1 5fe18b045298701b8e4c7b9ac1dc5bd52e7de174
SHA256 8ebd4ed00732071e1a63429f7df1effc3047a317605498f30475e215dfe5d968
SHA512 19201ff7b5f62dea35ca9a608ff0b41494cf420d66fed38c5e91cc226d05ba28594545658e899df740338c3371393b6a83e476f38933f908a34fd0e36b797efa

memory/3968-41-0x00007FF7DDA90000-0x00007FF7DDAA0000-memory.dmp

memory/3968-42-0x00007FF7DDA90000-0x00007FF7DDAA0000-memory.dmp

memory/3968-44-0x00007FF7DDA90000-0x00007FF7DDAA0000-memory.dmp

memory/3968-43-0x00007FF7DDA90000-0x00007FF7DDAA0000-memory.dmp