Analysis Overview
SHA256
d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46
Threat Level: Known bad
The file d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46 was found to be: Known bad.
Malicious Activity Summary
DarkSide
Modifies extensions of user files
Drops file in System32 directory
Sets desktop wallpaper using registry
Suspicious use of WriteProcessMemory
Modifies Control Panel
Modifies registry class
Suspicious use of AdjustPrivilegeToken
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-01-24 00:28
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-01-24 00:28
Reported
2022-01-24 00:32
Platform
win7-en-20211208
Max time kernel
117s
Max time network
117s
Command Line
Signatures
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\.DEFAULT\Control Panel\International | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe
"C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe"
C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe
"C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe"
C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe
"C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe"
Network
Files
memory/780-55-0x0000000076B81000-0x0000000076B83000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-01-24 00:28
Reported
2022-01-24 00:32
Platform
win10-en-20211208
Max time kernel
138s
Max time network
144s
Command Line
Signatures
DarkSide
Modifies extensions of user files
| Description | Indicator | Process | Target |
| File renamed | C:\Users\Admin\Pictures\ExitGroup.tif => C:\Users\Admin\Pictures\ExitGroup.tif.a97d73e3 | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\ExitGroup.tif.a97d73e3 | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\LimitWait.tiff | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\LimitWait.tiff => C:\Users\Admin\Pictures\LimitWait.tiff.a97d73e3 | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\LimitWait.tiff.a97d73e3 | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.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:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\counters2.dat | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
Sets desktop wallpaper using registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\a97d73e3.BMP" | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
Modifies Control Panel
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Control Panel\Desktop | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Control Panel\Desktop\WallpaperStyle = "10" | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\.DEFAULT\Software | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\a97d73e3.BMP" | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Control Panel\International | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = 8873ac9f4757f40e4069fb58b2eee0d04159b175076b3ed657cabd1ef632785e | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = 0996bafdb42eb718197da5d20ac0109e31d7e10232d7b4f0f56229b46c37deb5 | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000 | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\Owner = 400200001e96fbfe1413d801 | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = d1adc61626356fdb5834148397239cd479dccdff86a03d26400ff9fb3a422692 | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = fceb6f852d40f2499cf921c4eef373ea9dcf06dfe3460c999962ff2576ef27fd | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = 3a2086e1b5014eb3233f418106b026fe670181f3b9fc37d5b5027e984b81c246 | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = e6a031903368746582300a7c93c400b262cce3102c21b52b1d89db11bab4e0b1 | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFiles0000 = 5c005c003f005c0043003a005c00550073006500720073005c00410064006d0069006e005c006e00740075007300650072002e006400610074002e004c004f004700310000000000 | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = be5adbfb880d22cd24cbf4cb2c6e1afd267d909649e67cc8b1137acc673d9000 | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFiles0000 = 5c005c003f005c0043003a005c00550073006500720073005c00410064006d0069006e005c006e00740075007300650072002e006400610074002e004c004f004700320000000000 | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = 9785bfa8863115e3a291881fccc7f49464906bb7ec9f3df08291812af854f476 | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFiles0000 = 5c005c003f005c0043003a005c00550073006500720073005c00410064006d0069006e005c004e00540055005300450052002e004400410054007b00340065003000370034003600360038002d0030006300310063002d0031003100650037002d0061003900340033002d006500340031006400320064003700310038006100320030007d002e0054004d0043006f006e007400610069006e0065007200300030003000300030003000300030003000300030003000300030003000300030003000300031002e007200650067007400720061006e0073002d006d00730000000000 | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\Sequence = "1" | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = eb6175c0b25b0ede41321ceafbb0c40904d04e5ba4c16ba0b41d38f9b93f9e26 | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
| Key deleted | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000 | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = 639cde1934881d991df9ec7158de58b03c25afc56fb5907d7709b5d63d16c693 | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFiles0000 = 5c005c003f005c0043003a005c00550073006500720073005c00410064006d0069006e005c004e00540055005300450052002e004400410054007b00340065003000370034003600360038002d0030006300310063002d0031003100650037002d0061003900340033002d006500340031006400320064003700310038006100320030007d002e0054004d002e0062006c00660000000000 | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFiles0000 = 5c005c003f005c0043003a005c00550073006500720073005c00410064006d0069006e005c004e00540055005300450052002e004400410054007b00340065003000370034003600360038002d0030006300310063002d0031003100650037002d0061003900340033002d006500340031006400320064003700310038006100320030007d002e0054004d0043006f006e007400610069006e0065007200300030003000300030003000300030003000300030003000300030003000300030003000300032002e007200650067007400720061006e0073002d006d00730000000000 | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.a97d73e3 | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.a97d73e3\ = "a97d73e3" | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\a97d73e3\DefaultIcon | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\a97d73e3 | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\a97d73e3\DefaultIcon\ = "C:\\ProgramData\\a97d73e3.ico" | C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.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 WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe
"C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe"
C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe
"C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe"
C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe
"C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe"
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe
C:\Users\Admin\AppData\Local\Temp\d97c0b6ee613e03aa3256fcdd3757e54ba4c7bb5910887247dc857f2701f9a46.exe -work worker0 job0-3748
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | baroquetees.com | udp |
| US | 8.8.8.8:53 | baroquetees.com | udp |