Analysis Overview
SHA256
9ecbf28720a944bdd3f3c20cdb3f4da7f40da903b651be520348e01a8efa2504
Threat Level: Known bad
The file kayflock-beta.rar was found to be: Known bad.
Malicious Activity Summary
AgentTesla payload
Agenttesla family
Sets service image path in registry
Obfuscated with Agile.Net obfuscator
Checks computer location settings
Unsigned PE
Enumerates physical storage devices
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of SendNotifyMessage
Modifies registry class
Modifies Internet Explorer settings
Suspicious use of SetWindowsHookEx
Suspicious use of FindShellTrayWindow
Suspicious behavior: LoadsDriver
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Enumerates system info in registry
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-13 17:42
Signatures
AgentTesla payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Agenttesla family
Obfuscated with Agile.Net obfuscator
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
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| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
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Analysis: behavioral18
Detonation Overview
Submitted
2024-04-13 17:42
Reported
2024-04-13 17:45
Platform
win10v2004-20240412-en
Max time kernel
149s
Max time network
152s
Command Line
Signatures
Processes
C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\splwow64.exe
"C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\splwow64.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| BE | 88.221.83.211:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 211.83.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.139.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.173.189.20.in-addr.arpa | udp |
Files
Analysis: behavioral19
Detonation Overview
Submitted
2024-04-13 17:42
Reported
2024-04-13 17:45
Platform
win10v2004-20240412-en
Max time kernel
149s
Max time network
152s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 228 wrote to memory of 4164 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 228 wrote to memory of 4164 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 228 wrote to memory of 4164 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\twain_32.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\twain_32.dll,#1
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.139.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 89.16.208.104.in-addr.arpa | udp |
Files
Analysis: behavioral3
Detonation Overview
Submitted
2024-04-13 17:42
Reported
2024-04-13 17:45
Platform
win7-20240221-en
Max time kernel
117s
Max time network
118s
Command Line
Signatures
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\kayflock-beta\System.Management.dll,#1
Network
Files
Analysis: behavioral7
Detonation Overview
Submitted
2024-04-13 17:42
Reported
2024-04-13 17:45
Platform
win7-20240221-en
Max time kernel
120s
Max time network
141s
Command Line
Signatures
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\IntelliForms | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Zoom | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000112dd71d930ff24b8b2b71a2c228122b00000000020000000000106600000001000020000000b9c9e27feba88e35e2bc080a99d621f34b078b236b86fdea88b0591f58945e6b000000000e8000000002000020000000f24cf17a75c39d57eaf169a99da695cee01bd831f318256989bffbda0b4adc7d2000000020975cdbfe5cd3942a18f91505d87734ec804f814d7a7bb381f7fd0d5684ef17400000004a91c62c94d964a066220a9e512cf74227fe710594a748ef800805c27feb969d68e5e380ec4bd3a0e02951ff2c7fbc81457a5930ea0ed88c868538fcb50c77f8 | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\DomainSuggestion | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\IETld\LowMic | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\GPU | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\LowRegistry | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 30ac7321ca8dda01 | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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 | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\PageSetup | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Main | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\InternetRegistry | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{45EB0771-F9BD-11EE-A6D5-5A791E92BC44} = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\SearchScopes | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Toolbar | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Main | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "419192050" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| N/A | N/A | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\kayflock-beta\kayflock.exe
"C:\Users\Admin\AppData\Local\Temp\kayflock-beta\kayflock.exe"
C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" https://aka.ms/dotnet-core-applaunch?missing_runtime=true&arch=x64&rid=win7-x64&apphost_version=6.0.28&gui=true
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2204 CREDAT:275457 /prefetch:2
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | aka.ms | udp |
| GB | 2.16.234.57:443 | aka.ms | tcp |
| GB | 2.16.234.57:443 | aka.ms | tcp |
| GB | 2.16.234.57:443 | aka.ms | tcp |
| US | 204.79.197.200:443 | ieonline.microsoft.com | tcp |
| US | 204.79.197.200:443 | ieonline.microsoft.com | tcp |
| US | 204.79.197.200:443 | ieonline.microsoft.com | tcp |
Files
C:\Users\Admin\AppData\Local\Temp\CabDF1B.tmp
| MD5 | ac05d27423a85adc1622c714f2cb6184 |
| SHA1 | b0fe2b1abddb97837ea0195be70ab2ff14d43198 |
| SHA256 | c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d |
| SHA512 | 6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
| MD5 | 29f65ba8e88c063813cc50a4ea544e93 |
| SHA1 | 05a7040d5c127e68c25d81cc51271ffb8bef3568 |
| SHA256 | 1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184 |
| SHA512 | e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa |
C:\Users\Admin\AppData\Local\Temp\TarE163.tmp
| MD5 | 435a9ac180383f9fa094131b173a2f7b |
| SHA1 | 76944ea657a9db94f9a4bef38f88c46ed4166983 |
| SHA256 | 67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34 |
| SHA512 | 1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 7285fc48ae15a4f7e0f1a61a0285aa4a |
| SHA1 | 501af22fa78460cb4912d02c40fbabb3816efc0a |
| SHA256 | 6215742e6a6e41567a80e45cb414086f73266c2c8d3906d8661004368e442ce5 |
| SHA512 | 63a81d1cac281fe48919cf8cc2ac900702351718cd2471702bb1bb73c2729db9a3bf95af21975ba59471b78fb56142c6c54e651ac353cb830ebdca5e73e96d2c |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | b43b74ffdb9a22838de86e77152ac7e4 |
| SHA1 | 41f1d6e976e0417b2cfe05815c1687e6358fd44f |
| SHA256 | ac27c557360a5ed18ad3207af1c0d4048b12ac9707873b7fc761f10de63d06c5 |
| SHA512 | b3aca66cab2ced9cd730531bbe7fb882bdf8ebea3ac68d0bd6f50d962dd9848b5b5fec46e5be44a53bb62cb72b5224b9b095a034f619f47668c0bd1a277c3a15 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 14a09b6cc39621752a6c68f03825c04f |
| SHA1 | 3f63675f9db54ed2b834edaaddd9de25d11438f0 |
| SHA256 | 9a119356bbe1e1cc8cdf5332c185dedb540d0b0b8a5d2f6fbdc74a14a86e4600 |
| SHA512 | 8981e0b295814c99dfdafcce7c3ab781d554ea551a5f5fc0db5c2b1cf88e13cfa5ef9a7e997d8d8d0918171e130086b3e8b7b88c98438be49988017c44f587d3 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 77eb2c8fb76c19624f949237ff4eabd0 |
| SHA1 | 54ee1729bc9251fd0919d2e5b521fe2d4dc96a56 |
| SHA256 | ff685c601a4de34b8f9006be7d392335cc8307b8a3adb99a249198d26b08bdc4 |
| SHA512 | 5ef91b537e1eba860122f7f52945e4561b8928609c7b683d25d34b57fff90e15459d1595479ef7d5d7b6d8edc192ad1b2be29778e445f87dc56a84d3ec2cf275 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 77534cff368d63ef1592204a5cb739a8 |
| SHA1 | 878aeb0e0f0301a38a7f8662c3670a07cd57455b |
| SHA256 | 32b57a971875b25e9757c8641c5e71b2519e5dda4d2ae2fa36972ad52b4a9937 |
| SHA512 | 4d8851237d6ae0c2e110f0d44cf85b64dfe23666b13fdb02cbea378891bbc9fa6069ef03f39ec6fb7e2bb1fb35679c5e1d345a4ce1555b7e15957132c20083b7 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | b2f798e95fbcc52c9176f3d98e79a0aa |
| SHA1 | 1533e279993303f8de9d6ebc39ed3fa3104373a9 |
| SHA256 | 96c56289d7a012d683b2a0e53c500c897828691309015692722f55d45bcd7d7a |
| SHA512 | c9396ea16d8ec997c58dd33a5d3eca927ea3061313ca1f3242a9f310ee95577876f3fc4ec33440c85608c420516572d476929fffc09f3702c223a40d9c109932 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 521ee67904128e7a242b84f4605c4927 |
| SHA1 | d7657c6e37bdc15a4f40899e84f4ff2e9fd6d373 |
| SHA256 | e2b22e092ab10d1c33c83cdf12111d81063a79954c684426f8b92b924c993cde |
| SHA512 | aad34c7c6163381760e4a85d1818636ee57b6bf925439ec510032ab55a39736a86ecc542f89b38fd2594deb6d567e431c77728f72950e1329c1b70c2bf1ea3a6 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | e3d57c28c5002d5b598cefd448156dc9 |
| SHA1 | 51d8ca74c4f78e589129314cef75bc230a8c2916 |
| SHA256 | a9e015781d496c5979f7819a139ec491b2cca928a56ffbf0a91778f72e732a6b |
| SHA512 | 5489a6a459d5948528ef53c1260ad3edfad1452335194fc317b2eeea257f081548be786928007a61e88b9beb3b95e00acd7b9b331b335455b57882ae62cc76b5 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 685b922882b367781be76a326dac7054 |
| SHA1 | 39f4a099d5f5c60ed2271eb5aa95581e22b8cc66 |
| SHA256 | 1e266bce2939dee6f48fec9ac408bd53a95a00637be0563e4606e7464fcc4ef1 |
| SHA512 | ec50f0dde222cab88473fde8297a737a2296083f1f1ca3de3e53827b24bbc0f71648f538aa356301a492a6f367c9a00d1d06186f3a02fec788c4eb508a9e0f77 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | acefd083412e0ba1deaf8f6617129f73 |
| SHA1 | e205baf7ab77b651cde8c7d620c4143815dfb1b2 |
| SHA256 | dcd6169e57f97b2a7f60a1c1b6331ab24994ed66a5e6ba78a7ff2d8d2293758e |
| SHA512 | 1cae72c5bdd775da262628d1d7de18e0a70dac7986b389a90f613257de40cd65b1194f05896f448b688f5475013507b2e1d810fb9b5054d43505d6b414913ec3 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 5a1d640b1b7c581c95e4ab7501c851b9 |
| SHA1 | 5ca4f22ca9806ba4b06b30bb8a985bd772c91c97 |
| SHA256 | da95abf630eb130fdd1aee19c29946b09499a123113cbf0c7d34968431dbe70b |
| SHA512 | ae353fa3fd1a21370125781580a9386010b069a242960d02a90a78338647f5e17f0db8547e563edd8f26ab6b39acb2a94014c9312ff9fe4410d3a8cc934b52f6 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 704e423d92c7308cb5b11376b2c1d10e |
| SHA1 | cc09a5afb64a686f56abf4e9c68aadca363361e8 |
| SHA256 | 0eb104bd3a2366c985b0b61aec0016df0d578bded30416c74c44bad9d26ffdb3 |
| SHA512 | 14a19778ec5e1be50433ac84bb54dd86cc1ce3f352b93f63f178d877f37f9bd24eb9912e0d8d1ae9a9e2b5bd959beb7bef1c7671ad0bd69e336c24a0b5d903e2 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 583b4f29f8c78d7c65ec3eab7b3e13bb |
| SHA1 | 2a60e72b8d410a4116686a0ec4c01a63a43b9bf6 |
| SHA256 | 3c2f35aec305e6fb7d8f9491e5a8b6d5d834d65042447c51070c1b3190290a5e |
| SHA512 | 5963389c8cbd5d76db5b0122d6514bcfb7f1ac7483318720f0cfe8b9bc7b063cfab5d99b3e0ca8e64d91d6b1529484ac0a07106eff9540e75667e7a41b250c5a |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 15939efb7307f95f423091cfafc1285a |
| SHA1 | 346c76cd70233a1bfa88fbf70fbe884f06808262 |
| SHA256 | 82990ea4cdd470db7d8323a92dbea43c693e3f2178e8277114cec453a9db2994 |
| SHA512 | 850fe89bf455627961ad34275818960e5501aa072f4a3419f84cea3b4596e2cc58352948ccb1dca4f05859a3106e817fde5ef614f8faaf60d3f93f48b055f01a |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 733209b81571d102e78ed4a4793ee26f |
| SHA1 | c99a4af7a14cbbe56bbe50779f4bda300f4a70ca |
| SHA256 | 1de633113d924c9e373ad6398af6c0950e5ca2ca9b2814ef6a57cb9e3b024183 |
| SHA512 | 86f0452a66cbf4db4c87257e2b182fb5082562952720e4560bb9ef0f94b94c05e2715c7429f9219e0b560683a20f1db1c6ac8b21d807a36b4aada11b0e4c2f20 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 18b7ed90594076613d6caef0db7e34a3 |
| SHA1 | edabd168a401ecee5d589bdba0246ecc56a00313 |
| SHA256 | 85af84b648f9e5c0ae4754852513de01e347bb004027fa4a84f2800322218454 |
| SHA512 | 32811882076548185b4e5cc44f14128727b2c36368cb5bd3dd31ebc90e4a4261039e33141af955cd6a2e9d47b7b5a05be1df2000d4ad2df87653aeb2a7a79b22 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 008ae01a0151cd256c6dc2315d4c3baa |
| SHA1 | 5b7603cca635adf8254c6575a7638d624a3439bc |
| SHA256 | 77167ebae8f406ce31eaf45e30f57f866cd84798dee1af81809b2a49b28dfd84 |
| SHA512 | aadb70e771cde1c3c5c12be5a483da64219b987d39ff0caba74edb1dd15ba92f55ace302442bfbfd2a72b62e6c4d61e4ee5f5bb89ee2afb7d854affd52de9b4e |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 20ef39d2266a4febc77ae102e22929a9 |
| SHA1 | 72e24be0da9a62c8732709c52c8b53edcdf0e1be |
| SHA256 | f10fe832fbb3b1eaa07ffd0eeeea27c3ceba8c12e6b3b0f94e61f65dab502be3 |
| SHA512 | 3b76fda46f70c626d0de90dc3e625f6438e3b39596dd94cb5371a81b5778fc6dc170cea9b0af5302987bae12a4fc596d049fcf71e6a1dafd8eca45aab875902a |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 8de593bac367080bebf2777aefc6d0a8 |
| SHA1 | b470b93965f0777e9e7b8d6e93edf9b65676e22a |
| SHA256 | 5be9410bd20ef49d244af2de4ff58ceae1a0e1cc4515c446f169f447d47e354c |
| SHA512 | aa18c8b78dd7a235b49b938f09bd8f4128dd41dc22086763623b57e5858a85909ef551cfb26a825c83f62a2099335f8dc9711f0de8b5cb448e0233ba4c9110f7 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | ab3a85ddfd7c9ff602b4544571656695 |
| SHA1 | e777fa648b272e13adb3a3b3544843b40ba86fea |
| SHA256 | cccf19f2bfb1b25b5bade5d524e58cbcfa2a6d5dc56eb0c68251ca44638e77ff |
| SHA512 | 576e3eda9b182502de46c5ab76247f70bbe4f5ee1e9a25cbdb8f7fe0b8af8684131616e28bceabfca395e66ca2205b651976a5d1efa4eb2c762257fdfa1a3c62 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 3261a16e1dfe43ac6bb4656bf5315e56 |
| SHA1 | fdf009478237b6a538fb21f3f402f5d569cfb169 |
| SHA256 | 0671557ade32493fdd63840e0da75f96115d0095431cb4631552c0fb8eae40f7 |
| SHA512 | e5ad5a32e0ad5174fe50455b371d0ec2b149cdfbf184a66016785cfe9c3b26924a34a84c0b9d3da80f80f56005057fccc9eba1fddcc5f3f43abe3ceef1af835a |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 8db15366aca761143d25383c67ae4f06 |
| SHA1 | 64cefba62f75a51baaaa74876c646220180ffc7d |
| SHA256 | 34e5912200b9d3c0bfd65b19c77de88cdc8ee7c4983fc32f1d4f706f498c2c80 |
| SHA512 | 808d4a33b1b3376a9200b0c19cc53b7d4aeb4ec247300eec4d3eab72daa1f6d628afe301b8a5ffd0f4ecb654148e74a9a110f342f095d6689a453ed0c6509bd9 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 97a1f2ac2aedf7feddc9179bfcbabed6 |
| SHA1 | 734181ba49a969e10f1a23a79a1d7759dae4493c |
| SHA256 | 4ed6ce5dc0112e1a55d354b4041fe69286436148e7cb5899df20a834b0758910 |
| SHA512 | e31061c4342e84e81d16ae5f0d644a43bb2e7fa96a0bcfc94ec36903bb3cae13ce1849ec593c6e9aa5e3152c4c777ea8bbde475346365a1d2438d4d381137837 |
Analysis: behavioral8
Detonation Overview
Submitted
2024-04-13 17:42
Reported
2024-04-13 17:45
Platform
win10v2004-20240226-en
Max time kernel
141s
Max time network
149s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\kayflock-beta\kayflock.exe | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS | C:\Users\Admin\AppData\Local\Temp\kayflock-beta\kayflock.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer | C:\Users\Admin\AppData\Local\Temp\kayflock-beta\kayflock.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion | C:\Users\Admin\AppData\Local\Temp\kayflock-beta\kayflock.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\kayflock-beta\kayflock.exe
"C:\Users\Admin\AppData\Local\Temp\kayflock-beta\kayflock.exe"
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 --no-appcompat-clear --mojo-platform-channel-handle=1316 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 45.56.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | i.pinimg.com | udp |
| GB | 199.232.56.84:443 | i.pinimg.com | tcp |
| US | 8.8.8.8:53 | 4.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 84.56.232.199.in-addr.arpa | udp |
| GB | 23.44.234.16:80 | tcp | |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 13.107.253.64:443 | tcp | |
| US | 8.8.8.8:53 | 159.113.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.139.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.171.91.138.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.64.52.20.in-addr.arpa | udp |
Files
memory/4296-0-0x00007FFE6E460000-0x00007FFE6E95E000-memory.dmp
memory/4296-1-0x00007FFE6E460000-0x00007FFE6E95E000-memory.dmp
Analysis: behavioral11
Detonation Overview
Submitted
2024-04-13 17:42
Reported
2024-04-13 17:45
Platform
win10v2004-20240412-en
Max time kernel
146s
Max time network
151s
Command Line
Signatures
Processes
C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\HelpPane.exe
"C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\HelpPane.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 99.58.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 16.173.189.20.in-addr.arpa | udp |
Files
Analysis: behavioral15
Detonation Overview
Submitted
2024-04-13 17:42
Reported
2024-04-13 17:45
Platform
win10v2004-20240412-en
Max time kernel
149s
Max time network
152s
Command Line
Signatures
Sets service image path in registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\frAQBc8Wsa1xVPfv\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\frAQBc8Wsa1xVPfv" | C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\fullstack-magic.exe | N/A |
Suspicious behavior: LoadsDriver
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\fullstack-magic.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeLoadDriverPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\fullstack-magic.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2212 wrote to memory of 2624 | N/A | C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\fullstack-magic.exe | C:\Windows\system32\cmd.exe |
| PID 2212 wrote to memory of 2624 | N/A | C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\fullstack-magic.exe | C:\Windows\system32\cmd.exe |
| PID 2624 wrote to memory of 4900 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\certutil.exe |
| PID 2624 wrote to memory of 4900 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\certutil.exe |
| PID 2624 wrote to memory of 4444 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\find.exe |
| PID 2624 wrote to memory of 4444 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\find.exe |
| PID 2624 wrote to memory of 4968 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\find.exe |
| PID 2624 wrote to memory of 4968 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\find.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\fullstack-magic.exe
"C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\fullstack-magic.exe"
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\fullstack-magic.exe" MD5 | find /i /v "md5" | find /i /v "certutil"
C:\Windows\system32\certutil.exe
certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\fullstack-magic.exe" MD5
C:\Windows\system32\find.exe
find /i /v "md5"
C:\Windows\system32\find.exe
find /i /v "certutil"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | keyauth.win | udp |
| US | 104.26.1.5:443 | keyauth.win | tcp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| N/A | 127.0.0.1:60451 | tcp | |
| N/A | 127.0.0.1:60453 | tcp | |
| US | 8.8.8.8:53 | 45.56.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 5.1.26.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | x2.c.lencr.org | udp |
| BE | 23.55.97.11:80 | x2.c.lencr.org | tcp |
| US | 8.8.8.8:53 | 11.97.55.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.139.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 101.58.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.173.189.20.in-addr.arpa | udp |
Files
Analysis: behavioral16
Detonation Overview
Submitted
2024-04-13 17:42
Reported
2024-04-13 17:45
Platform
win10v2004-20240412-en
Max time kernel
94s
Max time network
116s
Command Line
Signatures
Processes
C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\hh.exe
"C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\hh.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 45.56.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.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 | 25.140.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 130.211.222.173.in-addr.arpa | udp |
Files
Analysis: behavioral21
Detonation Overview
Submitted
2024-04-13 17:42
Reported
2024-04-13 17:45
Platform
win10v2004-20240226-en
Max time kernel
141s
Max time network
151s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\write.exe | N/A |
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Windows NT\Accessories\wordpad.exe | N/A |
| N/A | N/A | C:\Program Files\Windows NT\Accessories\wordpad.exe | N/A |
| N/A | N/A | C:\Program Files\Windows NT\Accessories\wordpad.exe | N/A |
| N/A | N/A | C:\Program Files\Windows NT\Accessories\wordpad.exe | N/A |
| N/A | N/A | C:\Program Files\Windows NT\Accessories\wordpad.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4996 wrote to memory of 4112 | N/A | C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\write.exe | C:\Program Files\Windows NT\Accessories\wordpad.exe |
| PID 4996 wrote to memory of 4112 | N/A | C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\write.exe | C:\Program Files\Windows NT\Accessories\wordpad.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\write.exe
"C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\write.exe"
C:\Program Files\Windows NT\Accessories\wordpad.exe
"C:\Program Files\Windows NT\Accessories\wordpad.exe"
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
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 --no-appcompat-clear --mojo-platform-channel-handle=3996 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| GB | 142.250.187.202:443 | tcp | |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.64.52.20.in-addr.arpa | udp |
Files
Analysis: behavioral22
Detonation Overview
Submitted
2024-04-13 17:42
Reported
2024-04-13 17:45
Platform
win7-20240221-en
Max time kernel
117s
Max time network
124s
Command Line
Signatures
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\kayflock-beta\runtimes\win\lib\net6.0\System.Management.dll,#1
Network
Files
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-13 17:42
Reported
2024-04-13 17:45
Platform
win7-20240221-en
Max time kernel
119s
Max time network
125s
Command Line
Signatures
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\kayflock-beta\Guna.UI2.dll,#1
Network
Files
Analysis: behavioral13
Detonation Overview
Submitted
2024-04-13 17:42
Reported
2024-04-13 17:45
Platform
win10v2004-20240412-en
Max time kernel
94s
Max time network
100s
Command Line
Signatures
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-553605503-2331009851-2137262461-1000_Classes\Local Settings | C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\explorer.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\explorer.exe
"C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\explorer.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
Files
Analysis: behavioral17
Detonation Overview
Submitted
2024-04-13 17:42
Reported
2024-04-13 17:45
Platform
win10v2004-20240412-en
Max time kernel
84s
Max time network
146s
Command Line
Signatures
Processes
C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\notepad.exe
"C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\notepad.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 159.113.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.171.91.138.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.139.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 101.58.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.73.42.20.in-addr.arpa | udp |
Files
Analysis: behavioral20
Detonation Overview
Submitted
2024-04-13 17:42
Reported
2024-04-13 17:45
Platform
win10v2004-20240412-en
Max time kernel
146s
Max time network
147s
Command Line
Signatures
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | N/A |
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\helppane.exe | N/A |
| N/A | N/A | C:\Windows\helppane.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\winhlp32.exe
"C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\winhlp32.exe"
C:\Windows\helppane.exe
C:\Windows\helppane.exe -Embedding
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument microsoft-edge:https://go.microsoft.com/fwlink/?LinkId=528881
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,0x100,0x104,0xd8,0x108,0x7ffcf7ca46f8,0x7ffcf7ca4708,0x7ffcf7ca4718
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2096,12944880455301972509,8004412700661455146,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2104 /prefetch:2
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=2096,12944880455301972509,8004412700661455146,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2176 /prefetch:3
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=2096,12944880455301972509,8004412700661455146,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2804 /prefetch:8
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,12944880455301972509,8004412700661455146,131072 --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=3324 /prefetch:1
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,12944880455301972509,8004412700661455146,131072 --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=3332 /prefetch:1
C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,12944880455301972509,8004412700661455146,131072 --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=5284 /prefetch:1
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,12944880455301972509,8004412700661455146,131072 --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=5232 /prefetch:1
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,12944880455301972509,8004412700661455146,131072 --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=5280 /prefetch:1
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=2096,12944880455301972509,8004412700661455146,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5976 /prefetch:8
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=2096,12944880455301972509,8004412700661455146,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5976 /prefetch:8
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,12944880455301972509,8004412700661455146,131072 --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=5148 /prefetch:1
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,12944880455301972509,8004412700661455146,131072 --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=4972 /prefetch:1
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,12944880455301972509,8004412700661455146,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5768 /prefetch:1
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,12944880455301972509,8004412700661455146,131072 --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=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4348 /prefetch:1
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2096,12944880455301972509,8004412700661455146,131072 --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=2792 /prefetch:2
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 4.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | support.microsoft.com | udp |
| BE | 2.21.16.124:443 | support.microsoft.com | tcp |
| BE | 2.21.16.124:443 | support.microsoft.com | tcp |
| US | 8.8.8.8:53 | 124.16.21.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | c.s-microsoft.com | udp |
| US | 8.8.8.8:53 | browser.events.data.microsoft.com | udp |
| US | 8.8.8.8:53 | js.monitor.azure.com | udp |
| US | 8.8.8.8:53 | www.microsoft.com | udp |
| US | 104.208.16.90:443 | browser.events.data.microsoft.com | tcp |
| BE | 2.21.17.194:443 | www.microsoft.com | tcp |
| US | 8.8.8.8:53 | mem.gfx.ms | udp |
| US | 23.53.113.225:443 | c.s-microsoft.com | tcp |
| US | 8.8.8.8:53 | login.microsoftonline.com | udp |
| US | 13.107.246.64:443 | mem.gfx.ms | tcp |
| NL | 40.126.32.72:443 | login.microsoftonline.com | tcp |
| US | 13.107.246.64:443 | mem.gfx.ms | tcp |
| US | 8.8.8.8:53 | wcpstatic.microsoft.com | udp |
| BE | 2.21.17.194:443 | www.microsoft.com | tcp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 64.246.107.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 225.113.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.17.21.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 90.16.208.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.251.17.2.in-addr.arpa | udp |
| US | 13.107.246.64:443 | wcpstatic.microsoft.com | tcp |
| US | 13.107.246.64:443 | wcpstatic.microsoft.com | tcp |
| US | 13.107.246.64:443 | wcpstatic.microsoft.com | tcp |
| US | 8.8.8.8:53 | aadcdn.msftauth.net | udp |
| US | 8.8.8.8:53 | aadcdn.msauth.net | udp |
| US | 152.199.23.37:443 | aadcdn.msftauth.net | tcp |
| N/A | 224.0.0.251:5353 | udp | |
| US | 8.8.8.8:53 | 37.23.199.152.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 104.208.16.90:443 | browser.events.data.microsoft.com | tcp |
| US | 104.208.16.90:443 | browser.events.data.microsoft.com | tcp |
| US | 8.8.8.8:53 | logincdn.msftauth.net | udp |
| US | 8.8.8.8:53 | acctcdn.msftauth.net | udp |
| US | 8.8.8.8:53 | acctcdn.msauth.net | udp |
| US | 192.229.221.185:443 | logincdn.msftauth.net | tcp |
| US | 152.199.21.175:443 | acctcdn.msftauth.net | tcp |
| US | 8.8.8.8:53 | acctcdnmsftuswe2.azureedge.net | udp |
| US | 8.8.8.8:53 | support.content.office.net | udp |
| NL | 23.38.21.64:443 | support.content.office.net | tcp |
| US | 8.8.8.8:53 | 185.221.229.192.in-addr.arpa | udp |
| NL | 23.38.21.64:443 | support.content.office.net | tcp |
| US | 13.107.246.64:443 | acctcdnmsftuswe2.azureedge.net | tcp |
| US | 8.8.8.8:53 | acctcdnvzeuno.azureedge.net | udp |
| US | 8.8.8.8:53 | lgincdnmsftuswe2.azureedge.net | udp |
| US | 8.8.8.8:53 | lgincdnvzeuno.azureedge.net | udp |
| US | 8.8.8.8:53 | 64.21.38.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 175.21.199.152.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 25.140.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 99.58.20.217.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
| MD5 | 7e0880992c640aca08737893588a0010 |
| SHA1 | 6ceec5cb125a52751de8aeda4bab7112f68ae0fe |
| SHA256 | 8649a39877c190ec740a5422284ec5f9ff509b30b2d7896635476873dd8824e2 |
| SHA512 | 52bd0a38ca7f43b26731966035045b1cbd8b60b2d81bdf9aad791cf444da8af8b722ebf3cb364a6e660bebdf23084eb0e30bc23562575b704801669817549f8a |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
| MD5 | 5e2f0fe48e7ee1aad1c24db5c01c354a |
| SHA1 | 5bfeb862e107dd290d87385dc9369bd7a1006b36 |
| SHA256 | f13b3ebe8d71bd0086d5bb82364c35f59a95d32b39753af251e8639360e291a9 |
| SHA512 | 140d026437fd5e8a874cd00b03950c8f010e1a0732a0a1cc5bdde477e7f8315ccb95790bb4c15b8dbaab9468ad532eb885b6c429300a64e39412d976d079324e |
\??\pipe\LOCAL\crashpad_1176_MTKIYVBCXZZKKMRI
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
| MD5 | aedc34674d5175be51dd94bd97f5d1bd |
| SHA1 | b4422deadd2752ff0ffbbe2f738330c5c899eab5 |
| SHA256 | 3ad4ac21f84d44e097c005ce255bc3fcdab3b753dafa3f6f5f9048bd2cb5a839 |
| SHA512 | ca9456d8b4c9bf19e211eee03c641045aca1aa4919c9a730b2a05423bd90a5e1ada7e0b22c2bcb3f6aae22bdc4108bf0172ec82fb836197ab9121e39026f204b |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT
| MD5 | 6752a1d65b201c13b62ea44016eb221f |
| SHA1 | 58ecf154d01a62233ed7fb494ace3c3d4ffce08b |
| SHA256 | 0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd |
| SHA512 | 9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389 |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
| MD5 | e0db185c25d057f216ecb2b7f678108b |
| SHA1 | 80f2ff0c75419e138db0be3728444f1f73d4bbc6 |
| SHA256 | f36d38e3fc2fd4770dee720fa8875b076b5ae6ad3ec476a0e0da938fe2192024 |
| SHA512 | a20414b5742bdc7dbe4b8241276906d68913d7fb86802a0fed1262dc37bd8d13ce846c5bf1d99420b2130f799e5f5886e2a1522fead436b50578a5dc7606cf07 |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
| MD5 | 19e84a639e733d51cb0e3eaca16207e7 |
| SHA1 | 149ae87be5b487bda57f2d4c166c9c5de59d6833 |
| SHA256 | 29c30d52b3df568c43dd8216b1bd642183cf9f6b06066fb329d6f6098cc15412 |
| SHA512 | fa5e7938720d4e238937527656b653f26fa40dc91bdccbefa3509b8b3270e64a503049b02aa2bd7f4744493a4a34b6f2a3bd36c997f59d413c5bd1d55e020cb6 |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\TransportSecurity~RFe57ac6c.TMP
| MD5 | e763852bcb8ec3d564bbcf536398eed8 |
| SHA1 | 30b2a426456f785c147f7984095865737fbb230d |
| SHA256 | a5132412bee3567aef267dbf3641468dd19aa02a2aac2697bebc955a6be0a4b9 |
| SHA512 | db523c272f011299ea37c0e876c56c793dbcc382564b6245aff2b162a2a03deee7192722ad0a52e66dbd2a4db531a26fd31439d7462cb15eaebffe13384f71ba |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\TransportSecurity
| MD5 | 9be1cf0b6d25b24e44c19ed271b08707 |
| SHA1 | c8a7a6337ba6c6dc84a04974cac0e6174718e6b6 |
| SHA256 | 0d2246e16aabed9ca321116fd25165c82754305e119a5a9f9eed439650c1e5da |
| SHA512 | 21d2535a4bd8521cb89a8fae32ad293f94451cfc81d3400b862bb60f21495d4c7dca86d4b14b41012ff210636806359ba5407218db73948e7c5ea2cd97c1938c |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index
| MD5 | 1143edd15d29b7da0a53f5006df2e8cd |
| SHA1 | e998f4d267e46537a960a196d77665c9784a41e0 |
| SHA256 | b5ae3103ef9f4a8b895ed9aaa8ad389221337d1208c29c4abcabbe5e13abab7c |
| SHA512 | 5df6608488fcc07130ee8815d6de130f95c7109cbf6147c39010d039189d1cfaf3e69b98684d9d172491083d408e4cb67621cc1d05358266902c4bf3f467c616 |
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State
| MD5 | 7ccf93b43b5eaffe2a17b66d3b72bb90 |
| SHA1 | 2880a3f0a2186e68bd9071aa18149fcda7ef32a7 |
| SHA256 | e002ec4d63ad2adaaadd426d936961ce3a7d6437d973bea2c33da1663d3b7c0a |
| SHA512 | b53c821a318e61a68ac13724aba38af884361f90e690cf581bd69458ba0c655edfbf77ebbf68e63dbc936b30b8f44604da7ae5f85215cf33dbc45b8df74728a4 |
Analysis: behavioral23
Detonation Overview
Submitted
2024-04-13 17:42
Reported
2024-04-13 17:45
Platform
win10v2004-20240412-en
Max time kernel
145s
Max time network
153s
Command Line
Signatures
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\kayflock-beta\runtimes\win\lib\net6.0\System.Management.dll,#1
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.139.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 27.73.42.20.in-addr.arpa | udp |
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-13 17:42
Reported
2024-04-13 17:45
Platform
win10v2004-20240412-en
Max time kernel
146s
Max time network
152s
Command Line
Signatures
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\kayflock-beta\Guna.UI2.dll,#1
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 45.56.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.64.52.20.in-addr.arpa | udp |
Files
Analysis: behavioral4
Detonation Overview
Submitted
2024-04-13 17:42
Reported
2024-04-13 17:45
Platform
win10v2004-20240412-en
Max time kernel
93s
Max time network
124s
Command Line
Signatures
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\kayflock-beta\System.Management.dll,#1
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 45.56.20.217.in-addr.arpa | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.139.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
Files
Analysis: behavioral5
Detonation Overview
Submitted
2024-04-13 17:42
Reported
2024-04-13 17:45
Platform
win7-20231129-en
Max time kernel
119s
Max time network
120s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2364 wrote to memory of 2372 | N/A | C:\Users\Admin\AppData\Local\Temp\kayflock-beta\byfron.exe | C:\Windows\system32\WerFault.exe |
| PID 2364 wrote to memory of 2372 | N/A | C:\Users\Admin\AppData\Local\Temp\kayflock-beta\byfron.exe | C:\Windows\system32\WerFault.exe |
| PID 2364 wrote to memory of 2372 | N/A | C:\Users\Admin\AppData\Local\Temp\kayflock-beta\byfron.exe | C:\Windows\system32\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\kayflock-beta\byfron.exe
"C:\Users\Admin\AppData\Local\Temp\kayflock-beta\byfron.exe"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2364 -s 500
Network
Files
memory/2364-0-0x000007FEF5820000-0x000007FEF620C000-memory.dmp
memory/2364-1-0x0000000000830000-0x000000000174E000-memory.dmp
memory/2364-2-0x000007FEF5820000-0x000007FEF620C000-memory.dmp
Analysis: behavioral10
Detonation Overview
Submitted
2024-04-13 17:42
Reported
2024-04-13 17:45
Platform
win10v2004-20240412-en
Max time kernel
91s
Max time network
130s
Command Line
Signatures
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\kayflock-beta\nexus.dll,#1
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| BE | 88.221.83.203:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 203.83.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
Files
Analysis: behavioral12
Detonation Overview
Submitted
2024-04-13 17:42
Reported
2024-04-13 17:45
Platform
win10v2004-20240412-en
Max time kernel
92s
Max time network
126s
Command Line
Signatures
Processes
C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\bfsvc.exe
"C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\bfsvc.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 71.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 45.56.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 101.58.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 25.140.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 99.58.20.217.in-addr.arpa | udp |
Files
Analysis: behavioral14
Detonation Overview
Submitted
2024-04-13 17:42
Reported
2024-04-13 17:45
Platform
win7-20240221-en
Max time kernel
118s
Max time network
122s
Command Line
Signatures
Sets service image path in registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\frAQBc8Wsa1xVPfv\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\frAQBc8Wsa1xVPfv" | C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\fullstack-magic.exe | N/A |
Suspicious behavior: LoadsDriver
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\fullstack-magic.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeLoadDriverPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\fullstack-magic.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\fullstack-magic.exe
"C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\fullstack-magic.exe"
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\fullstack-magic.exe" MD5 | find /i /v "md5" | find /i /v "certutil"
C:\Windows\system32\certutil.exe
certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\kayflock-beta\packages\ranks\fullstack-magic.exe" MD5
C:\Windows\system32\find.exe
find /i /v "md5"
C:\Windows\system32\find.exe
find /i /v "certutil"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 1800 -s 1240
Network
| Country | Destination | Domain | Proto |
| N/A | 127.0.0.1:49206 | tcp | |
| N/A | 127.0.0.1:49208 | tcp | |
| US | 8.8.8.8:53 | keyauth.win | udp |
| US | 104.26.1.5:443 | keyauth.win | tcp |
| US | 8.8.8.8:53 | apps.identrust.com | udp |
| BE | 23.14.90.91:80 | apps.identrust.com | tcp |
| US | 8.8.8.8:53 | x2.c.lencr.org | udp |
| BE | 23.55.97.11:80 | x2.c.lencr.org | tcp |
Files
memory/1800-1-0x0000000140000000-0x00000001405E8000-memory.dmp
Analysis: behavioral6
Detonation Overview
Submitted
2024-04-13 17:42
Reported
2024-04-13 17:45
Platform
win10v2004-20240412-en
Max time kernel
93s
Max time network
124s
Command Line
Signatures
Processes
C:\Users\Admin\AppData\Local\Temp\kayflock-beta\byfron.exe
"C:\Users\Admin\AppData\Local\Temp\kayflock-beta\byfron.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.139.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 101.58.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
Files
memory/3832-1-0x00007FFF7EC70000-0x00007FFF7F731000-memory.dmp
memory/3832-0-0x0000019770B80000-0x0000019771A9E000-memory.dmp
memory/3832-2-0x00007FFF7EC70000-0x00007FFF7F731000-memory.dmp
Analysis: behavioral9
Detonation Overview
Submitted
2024-04-13 17:42
Reported
2024-04-13 17:45
Platform
win7-20240221-en
Max time kernel
121s
Max time network
126s
Command Line
Signatures
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\kayflock-beta\nexus.dll,#1