Analysis Overview
SHA256
156335b95ba216456f1ac0894b7b9d6ad95404ac7df447940f21646ca0090673
Threat Level: Known bad
The file 156335b95ba216456f1ac0894b7b9d6ad95404ac7df447940f21646ca0090673.sample was found to be: Known bad.
Malicious Activity Summary
DarkSide
Modifies extensions of user files
Drops startup file
Sets desktop wallpaper using registry
Drops file in System32 directory
Drops file in Windows directory
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Opens file in notepad (likely ransom note)
Checks SCSI registry key(s)
Modifies Control Panel
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Modifies registry class
Modifies data under HKEY_USERS
Suspicious use of FindShellTrayWindow
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-02-02 05:04
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-02-02 05:04
Reported
2022-02-02 05:10
Platform
win10-en-20211208
Max time kernel
225s
Max time network
240s
Command Line
Signatures
DarkSide
Modifies extensions of user files
| Description | Indicator | Process | Target |
| File opened for modification | C:\Users\Admin\Pictures\ExportComplete.raw.30b346f4 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\MountComplete.tif.30b346f4 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\UnblockConvert.crw.30b346f4 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\UseRedo.crw.30b346f4 | C:\Windows\SysWOW64\rundll32.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\README.30b346f4.TXT | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\README.30b346f4.TXT | C:\Windows\SysWOW64\rundll32.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\counters2.dat | C:\Windows\SysWOW64\rundll32.exe | N/A |
Sets desktop wallpaper using registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\30b346f4.BMP" | C:\Windows\SysWOW64\rundll32.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\rescache\_merged\4183903823\97717462.pri | C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe | N/A |
| File opened for modification | C:\Windows\Debug\ESE.TXT | C:\Windows\system32\svchost.exe | N/A |
| File created | C:\Windows\rescache\_merged\4032412167\2701812693.pri | C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe | N/A |
| File created | C:\Windows\rescache\_merged\4183903823\97717462.pri | C:\Windows\system32\taskmgr.exe | N/A |
| File created | C:\Windows\rescache\_merged\1601268389\1361672858.pri | C:\Windows\system32\taskmgr.exe | N/A |
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000 | C:\Windows\system32\taskmgr.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A | C:\Windows\system32\taskmgr.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName | C:\Windows\system32\taskmgr.exe | N/A |
Modifies Control Panel
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Control Panel\Desktop | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Control Panel\Desktop\WallpaperStyle = "10" | C:\Windows\SysWOW64\rundll32.exe | N/A |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = 7c18232428add8d1c2b175e39539d0ac8eacac76dc214f1813613c714eb125ce | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFiles0000 = 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 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = bfe3f3c751e387416dd6c91e9fd215dc43359803eb4c2cea492388ab2433c7ef | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = 89ee8915409f1e5bf1efe9a916f91640d7111c7d6dcaf11cf3ca767a42f9a0ba | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = 7a2a93980e4c08fcd0e5fec5805f59c0a43f7151be97290db3de2a6baf1d41c5 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = f1ff78180f7057bad083a69fad550a56683198b9393c6b63b76347c6cdf11201 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = d719e88d4adf407c1a342e5c08483af3df9edecf5b9d4a6db9c12d80604c7b08 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = 4dc587adb5487d45fe2410aa20f807978b44621af74d2f8460d9dfd8bab9c24f | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFiles0000 = 5c005c003f005c0043003a005c00550073006500720073005c00410064006d0069006e005c004c006f00630061006c002000530065007400740069006e00670073005c00540069006c00650044006100740061004c0061007900650072005c00440061007400610062006100730065005c0045004400420074006d0070002e006c006f00670000000000 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = f0847f7b24350646da9411d014646b944eac313c5b28130967628cbcb3abc4de | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = 73c28ba2a35f6b95ce14090fe6a01c452b35bb1886cc98537ff5b7eac0d2491c | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = 31e2fd196322d4c09931bbfeaaf297e1b33ebbf24535dd57536177d550abdbd5 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = 4ba0721b8c8084698a6617b1a32e9ffbf65ee4b421fcda2072e8dbe3e984b874 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFiles0000 = 5c005c003f005c0043003a005c0044006f00630075006d0065006e0074007300200061006e0064002000530065007400740069006e00670073005c00410064006d0069006e005c004c006f00630061006c002000530065007400740069006e00670073005c00540065006d0070006f007200610072007900200049006e007400650072006e00650074002000460069006c00650073005c0063006f0075006e00740065007200730032002e0064006100740000000000 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = d8571f0181b1ec09f5991d05a33d34ea9ce0c7e2e5f2dfee639058b47ba1ae95 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = 5c2a39f54e9ae9d6ac47858a28613d1d83db499361461cbf546f982a3b483983 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = 27d4d1c21e681b7892ef3a1feadbaa3fe8e668a31dc69766e74e8d84491923e2 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = e7ebeb8419dfe867308a6ce64d0d951cb127a85f95d66cc12e15b32117cf9887 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = 3f5dcf27dae9e57e34410520c9b9688be8e35a3d7debe453c003ce17c0df1a46 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = 3e7adb780f0e5855e9cf04c3075bb3e5e8ee628ff845fe72c4dc2b56380d95fd | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFiles0000 = 5c005c003f005c0043003a005c00550073006500720073005c00410064006d0069006e005c004c006f00630061006c002000530065007400740069006e00670073005c00540069006c00650044006100740061004c0061007900650072005c00440061007400610062006100730065005c007600650064006100740061006d006f00640065006c002e006a0066006d0000000000 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = 87b3e6638cf5f0d1231fa16a68be4f243a7688d01b9e1ce6ccc58db37423f58f | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = 6ff70f25123df3b2b7aeb9c0e646d75e893ac9c86ea89af5841f40877f3c5bf3 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = fc44bde8b6d000e605a5ebf5a566f094a43c9f3c4354f17a82833741ffbc35a5 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFiles0000 = 5c005c003f005c0043003a005c0044006f00630075006d0065006e0074007300200061006e0064002000530065007400740069006e00670073005c00410064006d0069006e005c004e00540055005300450052002e004400410054007b00340065003000370034003600360038002d0030006300310063002d0031003100650037002d0061003900340033002d006500340031006400320064003700310038006100320030007d002e0054004d002e0062006c00660000000000 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFiles0000 = 5c005c003f005c0043003a005c00550073006500720073005c00410064006d0069006e005c004c006f00630061006c002000530065007400740069006e00670073005c005000610063006b0061006700650073005c004d006900630072006f0073006f00660074002e00570069006e0064006f00770073002e0043006f007200740061006e0061005f006300770035006e003100680032007400780079006500770079005c00530065007400740069006e00670073005c00730065007400740069006e00670073002e0064006100740000000000 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = 412fdb6cdc0f7816842462f07e9c13790ff56a45c6084c593695f943506e4c17 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = bd17da3516aa7f5e07b1d6cde10b1a481d58ed3ecf05a061cb773b7e5b0d9196 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = b42b539f35269529d77e4dfc4b32ef93f0d7ea0c59693235e2ea7ae49b36eddb | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFiles0000 = 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 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFiles0000 = 5c005c003f005c0043003a005c00550073006500720073005c00410064006d0069006e005c004e00540055005300450052002e004400410054007b00340065003000370034003600360038002d0030006300310063002d0031003100650037002d0061003900340033002d006500340031006400320064003700310038006100320030007d002e0054004d0043006f006e007400610069006e0065007200300030003000300030003000300030003000300030003000300030003000300030003000300032002e007200650067007400720061006e0073002d006d00730000000000 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFiles0000 = 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 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = a891cc817d984c71c1cc3b3171fbfd882fef70b59e13cdb6f9839c6fadcb4f2c | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = 7064cf0621032f5f0f8d124756faca64038ce1e38cb8d6e078d6e7d3ed077676 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = d50528d32bfb9f57844ff8cc378e611a5d2384fc95708f63723ee06f62cb2854 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFiles0000 = 5c005c003f005c0043003a005c0044006f00630075006d0065006e0074007300200061006e0064002000530065007400740069006e00670073005c00410064006d0069006e005c006e00740075007300650072002e006400610074002e004c004f004700310000000000 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = a025988a5e262fc2fa09547d0dd59a38e2c43c02de73340e3167dc5747e490f8 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = 1e25427e15652ac8ef3ff17f78b203b7a60b8b00f2441f6bfb12229de2b19e18 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = e734270c44811c0ee145fdf2dd50f177d5e1946e2f5e783a89865f41b067d225 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = 4361091f7f686fd7be58dbcbc839d8172469892076b037b7f991d44c4eafaf1a | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFiles0000 = 5c005c003f005c0043003a005c00550073006500720073005c00410064006d0069006e005c004e00540055005300450052002e004400410054007b00340065003000370034003600360038002d0030006300310063002d0031003100650037002d0061003900340033002d006500340031006400320064003700310038006100320030007d002e0054004d0043006f006e007400610069006e0065007200300030003000300030003000300030003000300030003000300030003000300030003000300031002e007200650067007400720061006e0073002d006d00730000000000 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFiles0000 = 5c005c003f005c0043003a005c00550073006500720073005c00410064006d0069006e005c0052006500630065006e0074005c004100750074006f006d006100740069006300440065007300740069006e006100740069006f006e0073005c0066003000310062003400640039003500630066003500350064003300320061002e006100750074006f006d006100740069006300440065007300740069006e006100740069006f006e0073002d006d0073002e003300300062003300340036006600340000000000 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFiles0000 = 5c005c003f005c0043003a005c0044006f00630075006d0065006e0074007300200061006e0064002000530065007400740069006e00670073005c00410064006d0069006e005c004c006f00630061006c002000530065007400740069006e00670073005c005000610063006b0061006700650073005c004d006900630072006f0073006f00660074002e00570069006e0064006f00770073002e0043006f007200740061006e0061005f006300770035006e003100680032007400780079006500770079005c00530065007400740069006e00670073005c00730065007400740069006e00670073002e0064006100740000000000 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = 2f675e1332857d2dbcf95e15474f112ee73f128ea6e57c12e301de8a55e1d6f7 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFiles0000 = 5c005c003f005c0043003a005c00550073006500720073005c00410064006d0069006e005c004c006f00630061006c002000530065007400740069006e00670073005c00540069006c00650044006100740061004c0061007900650072005c00440061007400610062006100730065005c004500440042002e006c006f00670000000000 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFiles0000 = 5c005c003f005c0043003a005c00550073006500720073005c00410064006d0069006e005c0052006500630065006e0074005c004100750074006f006d006100740069006300440065007300740069006e006100740069006f006e0073005c0035006600370062003500660031006500300031006200380033003700360037002e006100750074006f006d006100740069006300440065007300740069006e006100740069006f006e0073002d006d0073002e003300300062003300340036006600340000000000 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFiles0000 = 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 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = c3d5aa79b0b3d6d3815d813e4480691253ff17e8545eaf9229a17235f12a97cf | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = 667dacb76453a934b8f246de11b5054d389d811110665072f04824581faa005a | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFiles0000 = 5c005c003f005c0043003a005c0044006f00630075006d0065006e0074007300200061006e0064002000530065007400740069006e00670073005c00410064006d0069006e005c006e00740075007300650072002e006400610074002e004c004f004700320000000000 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = 88f0d26769f64465b598b799728e304f2069a8412b8fc201efb5d6d95e99a52a | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = 1177cf42034ee56418abd941f08235755811882553449ef9a4d68ad726298196 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = 7e5a4d6c3f92ba2e2afa8e59f213fbe4c990d5b5c346220cc50b8c809a9d4863 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = 979304681e30503e3f5ce1e1a58dee7a00932cb8c92e66e432b5376cdd643b76 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = b4fa5b2048c2d2d79376139fc339b8bb52851ab749321d4d5972792d1931b6a9 | C:\Windows\SysWOW64\rundll32.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\30b346f4\DefaultIcon\ = "C:\\ProgramData\\30b346f4.ico" | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.30b346f4 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.30b346f4\ = "30b346f4" | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\30b346f4\DefaultIcon | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\30b346f4 | C:\Windows\SysWOW64\rundll32.exe | N/A |
Opens file in notepad (likely ransom note)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\NOTEPAD.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| Token: SeSystemProfilePrivilege | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| Token: SeCreateGlobalPrivilege | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeAuditPrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: 33 | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\system32\taskmgr.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\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe | N/A |
| N/A | N/A | C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\156335b95ba216456f1ac0894b7b9d6ad95404ac7df447940f21646ca0090673.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\156335b95ba216456f1ac0894b7b9d6ad95404ac7df447940f21646ca0090673.dll,#1
C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /4
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\156335b95ba216456f1ac0894b7b9d6ad95404ac7df447940f21646ca0090673.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\156335b95ba216456f1ac0894b7b9d6ad95404ac7df447940f21646ca0090673.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\156335b95ba216456f1ac0894b7b9d6ad95404ac7df447940f21646ca0090673.dll,#1
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe C:\Users\Admin\AppData\Local\Temp\156335b95ba216456f1ac0894b7b9d6ad95404ac7df447940f21646ca0090673.dll,#3 worker0 job0-3484
C:\Windows\system32\werfault.exe
werfault.exe /h /shared Global\cf1a011a1bc44eee86aed8b77575487b /t 3060 /p 3056
C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\README.30b346f4.TXT
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k appmodel -s tiledatamodelsvc
C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe
"C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe" -ServerName:App.AppXtk181tbxbce2qsex02s8tw7hfxa9xb3t.mca
C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | baroquetees.com | udp |
| US | 8.8.8.8:53 | baroquetees.com | udp |
Files
C:\Users\Admin\Desktop\README.30b346f4.TXT
| MD5 | 135d0337c142e73417030daf30d835ac |
| SHA1 | 4d03e3db39adaf57df53181429706aa854878026 |
| SHA256 | f6fba207c71d1f53f82d96a87c25c4fa3c020dca58d9b8a266137f33597a0b0e |
| SHA512 | b07fefbceeba5eddac04ecf011f347fd3879b77330d4db6178dd1daa54dbed956f90e28ecf93404e8c98f9683aac0fd238133d6188f2926475204556fc6a1403 |
memory/3740-182-0x0000024C05B00000-0x0000024C05B10000-memory.dmp
memory/3740-183-0x0000024C05C90000-0x0000024C05CA0000-memory.dmp
memory/3740-184-0x0000024C061F0000-0x0000024C061F1000-memory.dmp
C:\Users\Admin\Local Settings\TileDataLayer\Database\EDB.chk
| MD5 | ae760fde98d58bc42e6978a72494a848 |
| SHA1 | ce59b906102be2f31a5437ad39ee61b777e0569b |
| SHA256 | c6438d0806f2cf305c8b350a727d48bc5f6b920ea25ee7bb26266a134acefb35 |
| SHA512 | e1f60612ed77d4ea785f675b96f4b85cadf609a21ead5eefccbd371d0f559416a2b0a0ba8aa4a2a50f7bca9ec6b475c5d8ff953b9399acd4ebbd46e70270bc4d |
C:\Users\Admin\Local Settings\TileDataLayer\Database\EDB.log
| MD5 | b55ff4111e48d863c12ba5b53de3a1a2 |
| SHA1 | b40128cfa0d39e0eac99cab2293a85a32af437ef |
| SHA256 | 78587348b3c27b93497d46a5b8dd4f68e93459a99bf94156320e50feb97b3686 |
| SHA512 | a882c7eb847d3f6fea878f4db2820a6d5656be4b727babf9caad0da14e44594808bdc1f273415d0cef280dd7c71c45d95c66763215d04ed65b71ac4e2562fb7a |
C:\Users\Admin\Local Settings\TileDataLayer\Database\EDBtmp.log
| MD5 | b2d1236c286a3c0704224fe4105eca49 |
| SHA1 | 7d76d48d64d7ac5411d714a4bb83f37e3e5b8df6 |
| SHA256 | 5647f05ec18958947d32874eeb788fa396a05d0bab7c1b71f112ceb7e9b31eee |
| SHA512 | 731859029215873fdac1c9f2f8bd25a334abf0f3a9e1b057cf2cacc2826d86b0c26a3fa920a936421401c0471f38857cb53ba905489ea46b185209fdff65b3b6 |
C:\Users\Admin\Local Settings\TileDataLayer\Database\vedatamodel.edb
| MD5 | 98c2bce397ea98214909321899738e92 |
| SHA1 | 7c3c20e3f6cfa433309aa92af307dc8c1addbc4f |
| SHA256 | aeb1ba33b6ae642afd4fd82de220dbb341ecf85a7c7477cc176c4ad9f3f2fdf2 |
| SHA512 | 9f117d9fc75ea620d5a0a63c15baf9de07455115be4e7ca2fa5edd64d43257709bd1d7200d14eb5e5576baa61d0990b8af3f8aa96310cf933326fbc9b5dd7487 |
C:\Users\Admin\Local Settings\TileDataLayer\Database\vedatamodel.jfm
| MD5 | f01818c114485ac2720d3203695c2b08 |
| SHA1 | 7f46c831c7a9f86c29a06e706e3ff1e9475ce360 |
| SHA256 | b23e9c2be3068ecbb874fb15a45d739838fa7a6e0c100756474f0b4d8259356c |
| SHA512 | 863fc52282b2c1384ce87d96ad6d1ce033d020b128b943d06fb4bcdb9041b2911d4f15c8b488250c4b9c15d7db9e17325041654fb8cfc9a746b2d92066604d51 |