Analysis Overview
SHA256
f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4
Threat Level: Known bad
The file f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe was found to be: Known bad.
Malicious Activity Summary
DarkSide
Modifies extensions of user files
Enumerates connected drives
Drops file in System32 directory
Sets desktop wallpaper using registry
Modifies Control Panel
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Modifies data under HKEY_USERS
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2021-08-31 23:28
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2021-08-31 23:28
Reported
2021-08-31 23:32
Platform
win10v20210408
Max time kernel
19s
Max time network
121s
Command Line
Signatures
DarkSide
Modifies extensions of user files
Enumerates connected drives
| Description | Indicator | Process | Target |
| File opened (read-only) | \??\Z: | C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe | N/A |
| File opened (read-only) | \??\Z: | C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.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\History\History.IE5 | C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.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\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 | C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE | C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies | C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.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:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.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:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Control Panel\Desktop\WallpaperStyle = "10" | C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe | N/A |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\.DEFAULT\Control Panel\International | C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.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\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = 69a59c3a9daa19b26db00988823dc9eb7b451144ff65aafaa197ad38603739ad | C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = 4246f97813a696f08156cdfa67052b0128a32cd4fffb576f4c7a292b7b7472b8 | C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = 2be1e0b0a15f8f6d1d2954bb0f8c19a2a67c18c67e8701ddb68e5305306172c2 | C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" | C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft | C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager | C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFiles0000 = 5c005c003f005c0043003a005c00550073006500720073005c00410064006d0069006e005c004e00540055005300450052002e004400410054007b00340065003000370034003600360038002d0030006300310063002d0031003100650037002d0061003900340033002d006500340031006400320064003700310038006100320030007d002e0054004d0043006f006e007400610069006e0065007200300030003000300030003000300030003000300030003000300030003000300030003000300032002e007200650067007400720061006e0073002d006d00730000000000 | C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.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\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ | C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = 28406c404bbfd4ed58ea462d84e16ba07edc2be83bbb42dba048573b40ee5f15 | C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" | C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000 | C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software | C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = 127d20228c53f73e49987d26f80c8216f7227322428a43582f167ecc36f3a979 | C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = 40fdcbee5db4348ee43398134a8e682c0363a1d9b7d82edfe2d6e36296234f20 | C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe | N/A |
| Key deleted | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000 | C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\Sequence = "1" | C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFiles0000 = 5c005c003f005c0043003a005c00550073006500720073005c00410064006d0069006e005c004e00540055005300450052002e004400410054007b00340065003000370034003600360038002d0030006300310063002d0031003100650037002d0061003900340033002d006500340031006400320064003700310038006100320030007d002e0054004d002e0062006c00660000000000 | C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = eacd17eff2d9f8a799c387c543097f6f40cdcb66197ae1558734e5813362d064 | C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = befa76cc4fe6a202e0b855d40c09ea11d8365f31948346b0e7aeaad548c1934b | C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFiles0000 = 5c005c003f005c0043003a005c00550073006500720073005c00410064006d0069006e005c004e00540055005300450052002e004400410054007b00340065003000370034003600360038002d0030006300310063002d0031003100650037002d0061003900340033002d006500340031006400320064003700310038006100320030007d002e0054004d0043006f006e007400610069006e0065007200300030003000300030003000300030003000300030003000300030003000300030003000300031002e007200650067007400720061006e0073002d006d00730000000000 | C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.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\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" | C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" | C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\Owner = f40700003078ab50d09ed701 | C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFiles0000 = 5c005c003f005c0043003a005c00550073006500720073005c00410064006d0069006e005c006e00740075007300650072002e006400610074002e004c004f004700310000000000 | C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\70d4d153.BMP" | C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\70d4d153\DefaultIcon | C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\70d4d153 | C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\70d4d153\DefaultIcon\ = "C:\\ProgramData\\70d4d153.ico" | C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.70d4d153 | C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.70d4d153\ = "70d4d153" | C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.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\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe
"C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe"
C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe
"C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe"
C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe
"C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe"
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe
C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe -work worker0 job0-3192
C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe
C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe -work worker1 job1-3192
Network
| Country | Destination | Domain | Proto |
| N/A | 8.8.8.8:53 | baroquetees.com | udp |
Files
memory/3192-114-0x0000000000000000-mapping.dmp
memory/4016-116-0x0000000000000000-mapping.dmp
memory/2036-115-0x0000000000000000-mapping.dmp