Analysis Overview
SHA256
156335b95ba216456f1ac0894b7b9d6ad95404ac7df447940f21646ca0090673
Threat Level: Known bad
The file 156335b95ba216456f1ac0894b7b9d6ad95404ac7df447940f21646ca0090673.bin.sample was found to be: Known bad.
Malicious Activity Summary
DarkSide
Modifies extensions of user files
Drops startup file
Enumerates connected drives
Sets desktop wallpaper using registry
Drops file in System32 directory
Drops file in Windows directory
Modifies registry class
Suspicious use of AdjustPrivilegeToken
Enumerates system info in registry
Modifies data under HKEY_USERS
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies Control Panel
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2021-05-14 06:27
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2021-05-14 06:27
Reported
2021-05-14 06:32
Platform
win7v20210408
Max time kernel
3s
Max time network
53s
Command Line
Signatures
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\156335b95ba216456f1ac0894b7b9d6ad95404ac7df447940f21646ca0090673.bin.sample.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\156335b95ba216456f1ac0894b7b9d6ad95404ac7df447940f21646ca0090673.bin.sample.dll,#1
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\156335b95ba216456f1ac0894b7b9d6ad95404ac7df447940f21646ca0090673.bin.sample.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\156335b95ba216456f1ac0894b7b9d6ad95404ac7df447940f21646ca0090673.bin.sample.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\156335b95ba216456f1ac0894b7b9d6ad95404ac7df447940f21646ca0090673.bin.sample.dll,#1
Network
Files
memory/2040-61-0x0000000075B31000-0x0000000075B33000-memory.dmp
memory/2040-60-0x0000000000000000-mapping.dmp
memory/1716-62-0x0000000000000000-mapping.dmp
memory/740-64-0x0000000000000000-mapping.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2021-05-14 06:27
Reported
2021-05-14 06:32
Platform
win10v20210408
Max time kernel
42s
Max time network
50s
Command Line
Signatures
DarkSide
Modifies extensions of user files
| Description | Indicator | Process | Target |
| File opened for modification | C:\Users\Admin\Pictures\ReadAdd.raw.70d4d153 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\SendConvertFrom.png.70d4d153 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\SetStep.tiff.70d4d153 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\SetUnlock.tiff.70d4d153 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\StepUnpublish.raw.70d4d153 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\AddUnlock.tif.70d4d153 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\MoveExport.tif.70d4d153 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\PushExit.tiff.70d4d153 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\UnprotectApprove.tif.70d4d153 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\DenyUnlock.tiff.70d4d153 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\MountStart.png.70d4d153 | 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.70d4d153.TXT | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\README.70d4d153.TXT | C:\Windows\SysWOW64\rundll32.exe | N/A |
Enumerates connected drives
| Description | Indicator | Process | Target |
| File opened (read-only) | \??\Z: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\Z: | 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\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 |
| 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 |
Sets desktop wallpaper using registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\70d4d153.BMP" | C:\Windows\SysWOW64\rundll32.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\Debug\ESE.TXT | C:\Windows\system32\svchost.exe | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU | C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS | C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe | N/A |
Modifies Control Panel
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Control Panel\Desktop | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\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 = 80f542a8672603d9ae7757baafb6b0aafac1d94b4519a8fb92b2a89ec8b3db61 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\70d4d153.BMP" | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | 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\Owner = 500a0000cb9a8ad39b48d701 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\Sequence = "1" | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = fa423b876f40c62c1dbd907de51793b3d263188a91d8e37e1bfce695d9a21a77 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = 8de2e608de46dded7c6d9f4f167d3bedf1120dcdfbe0f15579c2f3bb12344695 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = a84929191124a75de01a3243b2c8107daa97a1c65527f21cf617fcf446f9dbae | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = d86766eb01210197d6315dd9058779aa1f2941325ae6b98ce02b6df919f35ae7 | 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 |
| 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\RegFilesHash = 8753c5409c55f65ed78248a025eef55c6356bb6f05722e4b009844099dd698e8 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = 28d9ce06f1d04faa6ce55c641e88b6c7550315d39b5b3b7ee7424da7ad4e0534 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = 10fbc0cb69b201f33e834ca55b8b6c01d133a2ee7428b47c7b06f79f53a46263 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = fde4670f7555f6e0b827e423cf13046faa22c557d324f79fcda6ef634b6d37e0 | 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 |
| Key created | \REGISTRY\USER\.DEFAULT\Software | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = 45860a62629f1a5a0c1818697d79e90b1a5d01ee4c316397e0111ed503266c20 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = d6825be784b4fe5ade158fe5a6c44958dddf1e4a3711a62d8d66b5e21c7a662b | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = 8b7a86c50d80d4d12a4e0d12903dd47b0719ac5b2541f1a2f7022390b8a630cf | 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\SessionHash = 7baa57563bd79c58d6b5eb4191c85f11d1c7f007e5b53bc8a8d9d44c0b69c0a7 | 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 = e3c925db3e54f248bc6705bc273f97a051c0f12c86d8aae6a26fec328883d8dc | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | 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 |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft | 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\RegFilesHash = 44f57b017a52e5421ea50ca5c76babb4bd7c5ba052ebec783c0f86e67d5cf9c8 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = 0813fbf3c97ce1689cf306e5aa5dd9e9b3d85761a8f2b166db6cbb87840260b2 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key deleted | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = 2284d9314f7b0049e40f60c8919c6a4b4f4ab64dc82d2d34ddee9a157f7b1a76 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = 12da051ccf1329b9a6a5685774f6ff29b1faad2252aefe784698e82f8b441016 | 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 = 31f849629f4c6409743d4f34a2494b826765d5220bf15ab2f8ecfae6d2f2b742 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = 9f3ea5d19cb507b918914ec9ded01926a869818a68d9c7dd395f71de00b7e519 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = 35b00396a999fb2c361acf6f9f7e301bf93b2aeff3174a4738f384043a4fd7a1 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = 3133b63dbd236447ace146064ab93249337e7e07b26f970209d355bc05b4f80f | 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 |
| Key created | \REGISTRY\USER\.DEFAULT\Control Panel\International | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = e8bb2751ba1181ebbdf82df26acf8314af1df0780f90795a187288136aaca3a0 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = 2adf625e0e2a8d33a0298fe6cfe6719e456a5e110dcc182937707b550cb4fa8a | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = 4a4a05ab5657c4b5dd0c6e50e964210efd819e88e24143d39b8c199afde532a7 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = 360ca18fbcfdbb90ae7969a96248712331f3912b3833cfe89911f759eab0899e | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFiles0000 = 5c005c003f005c0043003a005c00550073006500720073005c00410064006d0069006e005c006e00740075007300650072002e006400610074002e004c004f004700310000000000 | 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 (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = 2c5606fd7218f68fe5b3fb5091d20c44c3ce712b4ac0ff0866f66a44de05f4b6 | 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 = 3f0c1048a68508ff541a443ebe31e5caf9efb0a268eec69e595ffb6884005e8c | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = 587149c75924f9a6aeacad1184273267bed390c72d33dd16ce8ee66ef723b57c | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = 1e182de3820bee7170499aece7bd9516ff89e9fa074c6916af10b9ebefa66f65 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = d5356a692eb1880bf11ea8ed3f7df114e811280eb97883b8ba493a1c7c28ac8d | 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 = c058e6fb05a8e6951ab0cfe15b8186671f5ca035b83dfe0cc065c9063dab2614 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = 10f8652c0002e23775d6b2db805477f53dd90dc4202319d5b3dbedd2ed1b7dfa | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = 08f2b0517781e08563d6d7f6896d8021d69c0607ba36a8db3b919357a3437aef | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = 6b5f84aeca1211a66c176ee15094c107e54568f847c324515bf66cec0fa415dd | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = c971ebd79e1577dc3a3c61a1e7ab75f701c6d510ff602c09adbf9df674857815 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = 7a4e6336dc567dce1bccebfe050fe1fca1c4c6079d029dd496723f47e2d5afef | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = ebaed9aa5fce2726711fb66dc7f9d7322973f0371f1427dcea50310a3c773fed | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = 7ed87fe80b6caed91e896219bdcb4e5def1b7a155718b9e01fc982e8c81e1420 | C:\Windows\SysWOW64\rundll32.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.cortana_cw5n1h2txyewy\Internet Explorer\EdpDomStorage\Total | C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.cortana_cw5n1h2txyewy\Internet Explorer\DOMStorage\microsoft.windows.cortana\ = "0" | C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.cortana_cw5n1h2txyewy\Internet Explorer\DOMStorage\Total\ = "152" | C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.cortana_cw5n1h2txyewy\Internet Explorer\DOMStorage\microsoft.windows.cortana | C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.cortana_cw5n1h2txyewy\Internet Explorer\DOMStorage\windows.cortana | C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.cortana_cw5n1h2txyewy\Internet Explorer\EdpDomStorage\windows.cortana | C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.cortana_cw5n1h2txyewy\Internet Explorer\DOMStorage\windows.cortana\Total = "0" | C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.cortana_cw5n1h2txyewy\Internet Explorer\DOMStorage\windows.cortana\Total = "23" | C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.cortana_cw5n1h2txyewy\Internet Explorer\DOMStorage\Total\ = "185" | C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.70d4d153\ = "70d4d153" | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\70d4d153 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.cortana_cw5n1h2txyewy\Internet Settings\Cache\History\CachePrefix = "Visited:" | C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.cortana_cw5n1h2txyewy\Internet Explorer\EdpDomStorage | C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.cortana_cw5n1h2txyewy\Internet Explorer\DOMStorage\Total\ = "129" | C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.cortana_cw5n1h2txyewy\Internet Explorer\DOMStorage\microsoft.windows.cortana\ = "23" | C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.cortana_cw5n1h2txyewy\Internet Explorer\DOMStorage\microsoft.windows.cortana\ = "56" | C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.cortana_cw5n1h2txyewy\Internet Explorer\DOMStorage\windows.cortana\Total = "56" | C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.cortana_cw5n1h2txyewy\Internet Explorer\DomStorageState | C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.cortana_cw5n1h2txyewy\Internet Explorer\EdpDomStorage\microsoft.windows.cortana | C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.70d4d153 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\70d4d153\DefaultIcon | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\70d4d153\DefaultIcon\ = "C:\\ProgramData\\70d4d153.ico" | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.cortana_cw5n1h2txyewy\Internet Settings\Cache\Content\CachePrefix | C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.cortana_cw5n1h2txyewy\Internet Settings\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.cortana_cw5n1h2txyewy\Internet Explorer\DOMStorage | C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.cortana_cw5n1h2txyewy\Internet Explorer\DOMStorage\Total | C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| 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 |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe | N/A |
| 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.bin.sample.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\156335b95ba216456f1ac0894b7b9d6ad95404ac7df447940f21646ca0090673.bin.sample.dll,#1
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\156335b95ba216456f1ac0894b7b9d6ad95404ac7df447940f21646ca0090673.bin.sample.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\156335b95ba216456f1ac0894b7b9d6ad95404ac7df447940f21646ca0090673.bin.sample.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\156335b95ba216456f1ac0894b7b9d6ad95404ac7df447940f21646ca0090673.bin.sample.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.bin.sample.dll,#3 worker0 job0-3308
C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe C:\Users\Admin\AppData\Local\Temp\156335b95ba216456f1ac0894b7b9d6ad95404ac7df447940f21646ca0090673.bin.sample.dll,#3 worker1 job1-3308
C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe
"C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe" -ServerName:CortanaUI.AppXa50dqqa5gqv4a428c9y1jjw7m3btvepj.mca
C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe
"C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe" -ServerName:App.AppXtk181tbxbce2qsex02s8tw7hfxa9xb3t.mca
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k appmodel -s tiledatamodelsvc
Network
| Country | Destination | Domain | Proto |
| N/A | 8.8.8.8:53 | baroquetees.com | udp |
| N/A | 8.8.8.8:53 | baroquetees.com | udp |
Files
memory/1328-114-0x0000000000000000-mapping.dmp
memory/3748-115-0x0000000000000000-mapping.dmp
memory/3308-116-0x0000000000000000-mapping.dmp
memory/2640-117-0x0000000000000000-mapping.dmp
memory/1984-118-0x0000000000000000-mapping.dmp
memory/3088-119-0x000001DEAC9B0000-0x000001DEAC9C0000-memory.dmp
memory/3088-120-0x000001DEACC30000-0x000001DEACC40000-memory.dmp