Analysis Overview
SHA256
52deae9d2143ef00e3334135c119aca8e867b4231c27d6565fa0778fb1a57e59
Threat Level: Shows suspicious behavior
The file 2024-06-15_22120b87cbe5e194246fa4f19db74678_bkransomware was found to be: Shows suspicious behavior.
Malicious Activity Summary
Writes to the Master Boot Record (MBR)
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies Internet Explorer settings
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-15 10:50
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-15 10:50
Reported
2024-06-15 10:53
Platform
win7-20240611-en
Max time kernel
143s
Max time network
151s
Command Line
Signatures
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PhysicalDrive0 | C:\Users\Admin\AppData\Local\Temp\2024-06-15_22120b87cbe5e194246fa4f19db74678_bkransomware.exe | N/A |
Enumerates physical storage devices
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\PageSetup | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\DomainSuggestion | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "424610528" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Main | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\GPU | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\InternetRegistry | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\LowRegistry | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\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-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\IntelliForms | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Toolbar | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Zoom | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Main | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000005ec80cf279b2564c91633e21940a807600000000020000000000106600000001000020000000988c5b6251666b865044324f90c429bc9faada8639cd5dd7939fe20a3b328f8f000000000e8000000002000020000000f9e1bd62a0f934adbb0792549aadbcf19130bd8df32a1cb3fc5b6ba910ac9b7a20000000e0a83590e6dc2a4445f01fc98b06e848c8def0ed363ef2b2ba4ae826d69978a2400000008a167002ea78b3edd8a918639ed6e237ffbea3c0ab1cdaf2187d6956344332ed7e303ccdf1c5642e751179f049a9d70d3b2005f6586734c51d767af8d07e1d6e | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{25D81DF1-2B05-11EF-B918-627D7EE66EFE} = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\SearchScopes | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = c0445bfc11bfda01 | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\IETld\LowMic | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000000000001000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-15_22120b87cbe5e194246fa4f19db74678_bkransomware.exe | N/A |
| N/A | N/A | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-15_22120b87cbe5e194246fa4f19db74678_bkransomware.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-15_22120b87cbe5e194246fa4f19db74678_bkransomware.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-15_22120b87cbe5e194246fa4f19db74678_bkransomware.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-15_22120b87cbe5e194246fa4f19db74678_bkransomware.exe | N/A |
| 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\2024-06-15_22120b87cbe5e194246fa4f19db74678_bkransomware.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-15_22120b87cbe5e194246fa4f19db74678_bkransomware.exe"
C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" http://ssd-life.com/eng/why-ssd-not-found.html
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2156 CREDAT:275457 /prefetch:2
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | ssd-life.com | udp |
| GB | 192.248.156.201:80 | ssd-life.com | tcp |
| GB | 192.248.156.201:80 | ssd-life.com | tcp |
| GB | 192.248.156.201:443 | ssd-life.com | tcp |
| GB | 192.248.156.201:443 | ssd-life.com | tcp |
| GB | 192.248.156.201:443 | ssd-life.com | tcp |
| US | 8.8.8.8:53 | diginotion.com | udp |
| US | 23.239.13.102:443 | diginotion.com | tcp |
| US | 23.239.13.102:443 | diginotion.com | 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\la5004.tmp
| MD5 | 1c9c8f4c4ec16502045d308f365a3af1 |
| SHA1 | b82728c632d3d87b4ccbb170b420097b43490274 |
| SHA256 | 33292b4403ad1eb74b1106a7d603a7c0a04046e1bff39bdbd77544f362756eb5 |
| SHA512 | daacc2ec3c3b981b397e3a3fbc3cf5cb884dd1b90a3ca7d87f39b8e4d62706c2393bf0ee7ef50fbea66fdab22cab392c80fb8c638ba80b35cdb14bb8d2526fee |
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\R3JK00ZJ\cropped-android-chrome-256x256-1-32x32[1].png
| MD5 | f2da1f88e64b24cd39beb299e3496f0b |
| SHA1 | 8889e0b48a75188bce45aaa442690203b853af31 |
| SHA256 | 5b6f1d684cf0946af6904d138331165f473d67dd2791bb5877118c106854078c |
| SHA512 | 8e942b83478e308759f4d2de24cca01b0f2acf42c896fa6522cb3c8a98b23afd7be39fbeb220ecc8816b44499e0b2c3360f312d0cd0b5816f66f372093898ad2 |
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\c70czm7\imagestore.dat
| MD5 | ca41a434deb7c5812003d634bd67cd57 |
| SHA1 | 5dcd5c8bc4cd63261805c6976a279a129c8ff40c |
| SHA256 | 73fdf6a5235d182c272f910ba31de3a8c1135b9144bc920f4f16b7d13a556ed3 |
| SHA512 | c56f97b2a1be96ec4d154f6da6cc20bed3ff8c6cc4a2c5ef79ff64c3bc5858ffed2204083c2ff5901d34e8fc532de625f4cf68b7f55df4417f4b66a850d23716 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | c9777a4e664a364c319fc7b46db52470 |
| SHA1 | 36ad223dcecd469c3407319443e497e17dd9e121 |
| SHA256 | 3567242bf24d2a99df5226cc9626e8f160f2b515500279cae3295d820696aa2a |
| SHA512 | 06c748c95dfdb51988e2ab7eaaa7b87bbeb45f9b96dff1f72e31605fac568ccdbdae2dba9366054f10c9d2a8cac5e14522a7aee5d7adc070defd99aff3ab8a1b |
C:\Users\Admin\AppData\Local\Temp\Cab8F19.tmp
| MD5 | 49aebf8cbd62d92ac215b2923fb1b9f5 |
| SHA1 | 1723be06719828dda65ad804298d0431f6aff976 |
| SHA256 | b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f |
| SHA512 | bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b |
C:\Users\Admin\AppData\Local\Temp\Tar8F08.tmp
| MD5 | 4ea6026cf93ec6338144661bf1202cd1 |
| SHA1 | a1dec9044f750ad887935a01430bf49322fbdcb7 |
| SHA256 | 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8 |
| SHA512 | 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 512b381d280112d71667454a2378c141 |
| SHA1 | 28b39ea7fffbc5cd6380182eab74e1ee969d54a0 |
| SHA256 | 45589228b99fd9e3f9682c24eb88665f8b7177a6599ff8b0b63f966153148c8c |
| SHA512 | dfb443892c31be647b3391f79fed8f34b8c963c31886b5c69a3f805e71f85abebe5d49518581ce4ae7fa8564dfc3c4d09a3ca0dae88d095230c1be78ce4eb6a3 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | bb4060f22d8b126223a1a2011dfc1ece |
| SHA1 | 5170be5419087ffe5b6ed5ab9f7dbfab2ef1281d |
| SHA256 | 7b0fc782759246b0d8e3d7318fd53261ad46dc04ccfe4200eadf1b6cccb1a5ed |
| SHA512 | 516019c4e7da21c88a5d50b921110b64b5f8c72a5fb2696097cb9de631c1f5bad337d50440d08ef0e17ba5c82c593dffa042181ecc6ecece0b0c64e8f6f2bcb6 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 47c7647d3286e1d92e966da0a472b30d |
| SHA1 | 5d507c4492c68b6640af9dcf2c4105718d87130d |
| SHA256 | 23f2d9b5992ebf5b14c2cbaf23bccc9637a9191616f791007c130d9ab99fa257 |
| SHA512 | 87c72c1854181449c0fc0d6a18698b077592508f0d398d6d7bab6a0eaf1c96de09b7fb2b536556941433f603b6b31cbd69a3ddc7a718de84029511e5202ef669 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | e4383e9485f93e843615a1296d124e88 |
| SHA1 | 5057713e96c6b43080bdf57059ed304e010279c6 |
| SHA256 | 8cecdccb3e2497f743a98bafa9aa36dd982e0a07072fa0a88f9e39d9ae33fe3b |
| SHA512 | 9daa8159b29ba613aa68b64a7efe4b9487b05ad41318eca926bebf55bb1c4c1ac98a272d03de32dcfc5f8140daaefefafa84deeb22b1be0181dc4632bbf6f98f |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 2db176d417597640602bf33ef427509f |
| SHA1 | cb57c09e0d01421b971012b2b48cf8e12d2b892c |
| SHA256 | 5bb1c47178c5d745f01e49225a0c2c04283e82402f12d7863825a8626307e912 |
| SHA512 | 1b77c83bc3895fe07fb380d4370db302205274e17b48cab24d3de61064c7add8a1091381edd7f04a450ffd559102decfc2dbe526c624b492dde898ff88d875c5 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 399b254b3718cb118e22c9a0956af5e8 |
| SHA1 | b8bfcedabd38f5c2da9aaec94822c1facf1079b5 |
| SHA256 | bd060ad9713fa31b2ca5b303fbd1b20d60e8185c715b485dfaa6be2e13778a21 |
| SHA512 | 12e6a3435c04769dae79752e2f46e5886c6957544ebf5c31fd57c0d0922189fc43435cffb2cc14f6ea7befe8841526c96bc709b87bb691d116c3263b64805057 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 897b9ed12822b2e9b1d5a7ec24a9d4ce |
| SHA1 | bebe2709b679ac3ebbb83f5e3bb149c716a50bf2 |
| SHA256 | 6c6b99c785c5341f945727b95a1485a3aef9338f377e5a65e97129229f639e8a |
| SHA512 | 841ca716fbe12b1ce866b6efecc4eb0630f1b6c07a98386ab087fe9c2fb4f5b59f8c70b2432b1f319045ef46d2b6a1a1a620d5c96b1c50309873218570f1fa9c |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 29426ef6de2271e1a638c04401780faa |
| SHA1 | ac1fa6321b6baf4d16f6ee8216292c324184bfbc |
| SHA256 | 5ad4b5784994b454588ee4a9cee864868e74e15d438b2a138f31de1da13c0b8d |
| SHA512 | 3bec0691ed690391a9e1fb11305dcc40505fadc0ff419ae1cbf701d57d3aebc7ceb1cd191301483e3dfbf32b06b725499923739cccd6064b0903a44f2752c5dd |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 6cf37693f80e7603f1a8aaf5b38ad05c |
| SHA1 | 2c82fa59a8e98ac44c0ac1e2b1786bed26531eeb |
| SHA256 | 2e1a38cfebb8ef9d2dcfb17fcbbf511cdf8bc20c68de25f3a9642e2e1b63dc00 |
| SHA512 | ce3a0d4cefd628aed8a70cf27151159159930c2bb31a0260bcfef71db431b1e506487b0da745a0a1211d803b64520696ef1927c45e571ce4f779cedf1c98b328 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | a5b2057af9c44df819121ef020c5ea36 |
| SHA1 | b9f613d2190fecb4f9ca2182e8ee98940eeadb98 |
| SHA256 | 0e9b0c7342ca90f23abfe4f87091f039685f00a05ed4db16fa1937a5bdbdb41f |
| SHA512 | a79e9fe2c37fa90cb3380234baace7cdc5526cd60352d0bbfe773dcaf86db843ada4f69bf523d4ea25e973faabebf403720b88c6585ca0fd574e6472ad4c9a76 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | aaeeddd38a077a2b4b3bede7a5f6aa86 |
| SHA1 | 13364492fa28041442fafe3a83919b359f035c35 |
| SHA256 | 05634cf188cf6f45179f788baba0fc645378bea5c25ccd4f5147b76b088792cf |
| SHA512 | a8ac299e932b8d760ff9e60ba2dc34c2233103bd6d5dcd84492c43fc891dfa0c3797ef93450fbe19f8e09642f68910feeae2b1ea6af09e1532c1df4bf9094c11 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | d3380fd7136116abea7cd0d6e0a638f2 |
| SHA1 | 640a01ceacb5d6c511294dc1a5f37c5045bb346c |
| SHA256 | 632503ce1f1c5d4b03cdb7acfdde2753026b4df936fa1e1b929fcb0fb30c042a |
| SHA512 | 9921ae2e2ae40376841c06de9df541ec424c57c3a1862b455b968c20755ac4faf8211523801ca2746916a7038adda758c77cdc38c9c301d1add26c70e6f0abb8 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | b6c132966aa897be0c0dc1b407c1d287 |
| SHA1 | cba698467335653ed0d561c5bce30b43b4c88160 |
| SHA256 | b1679cb7a42122d67bae198f93c02634990d4fc98d9667427c719e8ffb70e85e |
| SHA512 | ddf59c4fda59973175677d54c58f4ff155bb5b79fa154453cb3aec650fd7d80c8efe8d6797e12588cf95c5fe2d72b3a7c5f19639b7447f3adc228bb65a79d279 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 422a66e90af152f8944cceb462279799 |
| SHA1 | 5fb7429521af3e0b31127657997863f1dfc6bdf9 |
| SHA256 | 74cb877271033608494ead6d143aadedfa7100e20d939cd2d6f33b99b3df9900 |
| SHA512 | ced98f070d73d4a7ccaa3bf909be0a8d1e3f2172e8e7b06d8b099be981ee0ef13206aa58e2813fc31c590db872e2f3e2014a6a9dcc8e9b3d0dd619afd45f94f7 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | c5a4d0db796e7f59e0be237d1661b146 |
| SHA1 | f80f7679cf6d9db995aa929640168e37b9efc6f1 |
| SHA256 | 01e883d0fbab0cfd8ab278163619babe4e42ef939dec623b0da17bf184512de6 |
| SHA512 | cfbe571e5160d181ccd401f3d1251c495b06d7f3b082a213c2fd8c4d93fa6804b55dd00eb5c430a803e0306bace04d1c807c1b0f224170978f4ead5630286342 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 209aea669a414ef33779a931a14cc85d |
| SHA1 | e618725a3c3a3843ea4c8781cc8a5bfda8c0d0e7 |
| SHA256 | 6014031682ee777e776da0dbf8d4d7a9798b8cdfe44307f8826d73a00eda566e |
| SHA512 | 9812a6d910c10687cfc3470edebeb9acf79a4598e56e9f19ff860d222fae088c5348a2508e25ed37d04232bd85efc556766d5ca0582fb7f3818d2c575037898a |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 8e87b509b3a2f51d2cda6f04aacdd761 |
| SHA1 | aa9587586aa88fcc6826c64c911329526c38e70d |
| SHA256 | 7187a0337201749c71ea727c4eb88f6f0b4e232d01ca6c55c9cccabe8b6b13dc |
| SHA512 | e8d6556a3ef558056e958b067f9d403aceb1ce0ab55b29ee81c9a01fc114fc7ba7addde54f473190d3e6cfa9425a774b88c47c2438b0fdb59ead2cae28255d2c |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-15 10:50
Reported
2024-06-15 10:53
Platform
win10v2004-20240226-en
Max time kernel
142s
Max time network
159s
Command Line
Signatures
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PhysicalDrive0 | C:\Users\Admin\AppData\Local\Temp\2024-06-15_22120b87cbe5e194246fa4f19db74678_bkransomware.exe | N/A |
Enumerates physical storage devices
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-15_22120b87cbe5e194246fa4f19db74678_bkransomware.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-15_22120b87cbe5e194246fa4f19db74678_bkransomware.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-15_22120b87cbe5e194246fa4f19db74678_bkransomware.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-15_22120b87cbe5e194246fa4f19db74678_bkransomware.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-15_22120b87cbe5e194246fa4f19db74678_bkransomware.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4292 wrote to memory of 2932 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-15_22120b87cbe5e194246fa4f19db74678_bkransomware.exe | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe |
| PID 4292 wrote to memory of 2932 | N/A | C:\Users\Admin\AppData\Local\Temp\2024-06-15_22120b87cbe5e194246fa4f19db74678_bkransomware.exe | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2024-06-15_22120b87cbe5e194246fa4f19db74678_bkransomware.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-15_22120b87cbe5e194246fa4f19db74678_bkransomware.exe"
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://ssd-life.com/eng/why-ssd-not-found.html
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=17 --mojo-platform-channel-handle=3644 --field-trial-handle=2252,i,16504368816373493055,9578615028378602855,262144 --variations-seed-version /prefetch:1
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=18 --mojo-platform-channel-handle=4820 --field-trial-handle=2252,i,16504368816373493055,9578615028378602855,262144 --variations-seed-version /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 --no-appcompat-clear --mojo-platform-channel-handle=4520 --field-trial-handle=2252,i,16504368816373493055,9578615028378602855,262144 --variations-seed-version /prefetch:8
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=20 --mojo-platform-channel-handle=5756 --field-trial-handle=2252,i,16504368816373493055,9578615028378602855,262144 --variations-seed-version /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 --no-appcompat-clear --mojo-platform-channel-handle=5524 --field-trial-handle=2252,i,16504368816373493055,9578615028378602855,262144 --variations-seed-version /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_search_indexer.mojom.SearchIndexerInterfaceBroker --lang=en-US --service-sandbox-type=search_indexer --message-loop-type-ui --no-appcompat-clear --mojo-platform-channel-handle=5520 --field-trial-handle=2252,i,16504368816373493055,9578615028378602855,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.159.190.20.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 |
| GB | 96.16.110.114:80 | tcp | |
| US | 8.8.8.8:53 | ssd-life.com | udp |
| US | 8.8.8.8:53 | ssd-life.com | udp |
| US | 8.8.8.8:53 | ssd-life.com | udp |
| GB | 192.248.156.201:80 | ssd-life.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 |
| GB | 192.248.156.201:80 | ssd-life.com | tcp |
| US | 8.8.8.8:53 | ssd-life.com | udp |
| GB | 51.11.108.188:443 | nav-edge.smartscreen.microsoft.com | tcp |
| GB | 51.11.108.188:443 | nav-edge.smartscreen.microsoft.com | tcp |
| GB | 51.11.108.188:443 | nav-edge.smartscreen.microsoft.com | tcp |
| US | 8.8.8.8:53 | business.bing.com | udp |
| US | 8.8.8.8:53 | business.bing.com | udp |
| US | 8.8.8.8:53 | ssd-life.com | udp |
| US | 8.8.8.8:53 | ssd-life.com | udp |
| US | 13.107.6.158:443 | business.bing.com | tcp |
| GB | 145.239.252.65:443 | ssd-life.com | tcp |
| 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 |
| SE | 23.34.233.128:443 | www.microsoft.com | tcp |
| US | 8.8.8.8:53 | bzib.nelreports.net | udp |
| US | 8.8.8.8:53 | bzib.nelreports.net | udp |
| SE | 184.31.15.40:443 | bzib.nelreports.net | tcp |
| US | 8.8.8.8:53 | 201.156.248.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.234.34.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 188.108.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 65.252.239.145.in-addr.arpa | udp |
| GB | 145.239.252.65:443 | ssd-life.com | udp |
| US | 8.8.8.8:53 | ssd-life.com | udp |
| US | 8.8.8.8:53 | ssd-life.com | udp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 128.233.34.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 40.15.31.184.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | diginotion.com | udp |
| US | 8.8.8.8:53 | diginotion.com | udp |
| US | 23.239.13.102:443 | diginotion.com | tcp |
| US | 23.239.13.102:443 | diginotion.com | tcp |
| US | 23.239.13.102:443 | diginotion.com | tcp |
| US | 8.8.8.8:53 | ssd-life.com | udp |
| US | 8.8.8.8:53 | ssd-life.com | udp |
| US | 8.8.8.8:53 | 102.13.239.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.clarity.ms | udp |
| US | 8.8.8.8:53 | www.clarity.ms | udp |
| US | 8.8.8.8:53 | cdn.jsdelivr.net | udp |
| US | 8.8.8.8:53 | cdn.jsdelivr.net | udp |
| US | 13.107.246.64:443 | www.clarity.ms | tcp |
| US | 151.101.65.229:443 | cdn.jsdelivr.net | tcp |
| US | 8.8.8.8:53 | 104.201.58.216.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 229.65.101.151.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 64.246.107.13.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 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.15.31.184.in-addr.arpa | udp |
| US | 8.8.8.8:53 | nw-umwatson.events.data.microsoft.com | udp |
| US | 20.42.65.92:443 | nw-umwatson.events.data.microsoft.com | tcp |
| US | 8.8.8.8:53 | 92.65.42.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | mc.yandex.ru | udp |
| US | 8.8.8.8:53 | mc.yandex.ru | udp |
| RU | 77.88.21.119:443 | mc.yandex.ru | tcp |
| US | 8.8.8.8:53 | region1.google-analytics.com | udp |
| US | 8.8.8.8:53 | region1.google-analytics.com | udp |
| RU | 77.88.21.119:443 | mc.yandex.ru | tcp |
| RU | 77.88.21.119:443 | mc.yandex.ru | tcp |
| US | 216.239.32.36:443 | region1.google-analytics.com | tcp |
| US | 8.8.8.8:53 | x.clarity.ms | udp |
| US | 8.8.8.8:53 | x.clarity.ms | udp |
| US | 8.8.8.8:53 | c.clarity.ms | udp |
| US | 8.8.8.8:53 | c.clarity.ms | udp |
| US | 20.114.190.119:443 | x.clarity.ms | tcp |
| IE | 68.219.88.97:443 | c.clarity.ms | tcp |
| US | 8.8.8.8:53 | mc.webvisor.org | udp |
| US | 8.8.8.8:53 | mc.webvisor.org | udp |
| US | 8.8.8.8:53 | mc.yandex.com | udp |
| US | 8.8.8.8:53 | mc.yandex.com | udp |
| RU | 87.250.250.119:443 | mc.yandex.com | tcp |
| US | 8.8.8.8:53 | c.bing.com | udp |
| US | 8.8.8.8:53 | c.bing.com | udp |
| US | 204.79.197.237:443 | c.bing.com | tcp |
| US | 8.8.8.8:53 | 36.32.239.216.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.88.219.68.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.21.88.77.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.190.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.250.250.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| N/A | 224.0.0.251:5353 | udp | |
| US | 216.239.32.36:443 | region1.google-analytics.com | udp |
| NL | 23.62.61.97:443 | www.bing.com | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| GB | 145.239.252.65:443 | ssd-life.com | tcp |
| US | 8.8.8.8:53 | x.clarity.ms | udp |
| US | 8.8.8.8:53 | x.clarity.ms | udp |
| US | 20.114.190.119:443 | x.clarity.ms | tcp |
| US | 8.8.8.8:53 | 26.178.89.13.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\laF915.tmp
| MD5 | 1c9c8f4c4ec16502045d308f365a3af1 |
| SHA1 | b82728c632d3d87b4ccbb170b420097b43490274 |
| SHA256 | 33292b4403ad1eb74b1106a7d603a7c0a04046e1bff39bdbd77544f362756eb5 |
| SHA512 | daacc2ec3c3b981b397e3a3fbc3cf5cb884dd1b90a3ca7d87f39b8e4d62706c2393bf0ee7ef50fbea66fdab22cab392c80fb8c638ba80b35cdb14bb8d2526fee |