Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
04-06-2024 22:28
Static task
static1
Behavioral task
behavioral1
Sample
f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe
Resource
win10v2004-20240508-en
General
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Target
f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe
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Size
56KB
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MD5
3f2cb535fc5bc296aa5b0d2897c265d0
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SHA1
c30358563fa940eb5cd6064d4d16defee43b0310
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SHA256
f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4
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SHA512
6fc3a98f16f4fbd2e6bd4211c35b403ed565d6b30f803e6da04e14efe018aca09719256f1e8a2c8a5763a7bac08de3be964eb6251d858df0f6261f82b3f2f7a2
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SSDEEP
768:piN4q1eksgR4SiI+rxQ3rjFrXRRWxXyw/Afy8fIaJ/ZB49j9xOOLC9kvAx0:g4HHerjZX7pLjJKjSO+i
Malware Config
Extracted
C:\Recovery\README.4f60b97d.TXT
darkside
http://darksidc3iux462n6yunevoag52ntvwp6wulaz3zirkmh4cnz6hhj7id.onion/162/thedixiegroup/LCfyHRcwffrYTblpZvoPO3XDbrYPcNu0wVAsH5p49LSjBfzTmtdXT48azXFlMu7q
http://dark24zz36xm4y2phwe7yvnkkkkhxionhfrwp67awpb3r3bdcneivoqd.onion/W57MRI9C7YZJUZEABBBYRQLSUTG22JZ9MAH0WT1ISHC405KP7Z2UWY3AI3J68DNM
Signatures
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DarkSide
Targeted ransomware first seen in August 2020. Operators steal data to use as leverage.
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Renames multiple (140) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\F: f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\4f60b97d.BMP" f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe -
Modifies Control Panel 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\Desktop f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\Desktop\WallpaperStyle = "10" f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe -
Modifies data under HKEY_USERS 32 IoCs
description ioc Process Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = 7fe753abeb00a57c24927edb6065a652fd147dd91d2121ed7ea95fc4c478c858 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFiles0000 = 5c005c003f005c0043003a005c00550073006500720073005c00410064006d0069006e005c006e00740075007300650072002e006400610074002e004c004f004700310000000000 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = c3742b68290e0c218139be23a23a447150dc86fa051cdd9768c96fdfac3f98a0 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = eb306b90404d452c5e88db891f4e716c6dc1471c8a99ec8fe9a8f724756c0026 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe Key created \REGISTRY\USER\.DEFAULT\Control Panel\International f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\Sequence = "1" f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFiles0000 = 5c005c003f005c0043003a005c00550073006500720073005c00410064006d0069006e005c004e00540055005300450052002e004400410054007b00350033006200330039006500380038002d0031003800630034002d0031003100650061002d0061003800310031002d003000300030006400330061006100340036003900320062007d002e0054004d002e0062006c00660000000000 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = d4b482542e2d55c080e14e924e7615d30a64362eb4ce69f79558d31ecc6a3c85 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = 87ecdaa627333316de1c13661742521c462a716effd6225832fa26692e349d57 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = 4a7afe45e47665b1ac7afbaef3caef3d6e120cf983d267f2ef96c59a94a42116 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = 694995624b02c5dd292ef0fd1ff3a712b87c984ad4153df133fe0aba44cedda3 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFiles0000 = 5c005c003f005c0043003a005c00550073006500720073005c00410064006d0069006e005c004e00540055005300450052002e004400410054007b00350033006200330039006500380038002d0031003800630034002d0031003100650061002d0061003800310031002d003000300030006400330061006100340036003900320062007d002e0054004d0043006f006e007400610069006e0065007200300030003000300030003000300030003000300030003000300030003000300030003000300032002e007200650067007400720061006e0073002d006d00730000000000 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\4f60b97d.BMP" f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe Key created \REGISTRY\USER\.DEFAULT\Software f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\Owner = 34080000d3168c95ceb6da01 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFiles0000 = 5c005c003f005c0043003a005c00550073006500720073005c00410064006d0069006e005c004e00540055005300450052002e004400410054007b00350033006200330039006500380038002d0031003800630034002d0031003100650061002d0061003800310031002d003000300030006400330061006100340036003900320062007d002e0054004d0043006f006e007400610069006e0065007200300030003000300030003000300030003000300030003000300030003000300030003000300031002e007200650067007400720061006e0073002d006d00730000000000 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = a729b1e76d685c3c30dacc808cc9c2aa72e9ba8b0762dc6703e7345964c70017 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = 34bf6b7e0069c4a6ab3763a8a51355a8d376bdd3cd1e5a47f49d851d3f48798c f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe Key deleted \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = 3d10d207dd69fe01be5b97e03e3c1aa8e1e366cdebb469a4ee680aaecd5c910a f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFiles0000 = 5c005c003f005c0043003a005c00550073006500720073005c00410064006d0069006e005c006e00740075007300650072002e006400610074002e004c004f004700320000000000 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.4f60b97d f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.4f60b97d\ = "4f60b97d" f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\4f60b97d\DefaultIcon f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\4f60b97d f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\4f60b97d\DefaultIcon\ = "C:\\ProgramData\\4f60b97d.ico" f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe -
Suspicious behavior: EnumeratesProcesses 32 IoCs
pid Process 744 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe 744 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe 2100 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe 2100 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe 2100 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe 2100 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe 2100 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe 2100 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe 2100 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe 2100 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe 2100 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe 2100 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe 2100 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe 2100 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe 2100 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe 2100 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe 2100 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe 2100 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe 2100 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe 2100 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe 2100 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe 2100 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe 2100 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe 2100 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe 2100 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe 2100 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe 2100 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe 2100 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe 2100 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe 2100 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe 2100 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe 2100 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeBackupPrivilege 1548 vssvc.exe Token: SeRestorePrivilege 1548 vssvc.exe Token: SeAuditPrivilege 1548 vssvc.exe -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 3484 wrote to memory of 744 3484 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe 83 PID 3484 wrote to memory of 744 3484 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe 83 PID 3484 wrote to memory of 744 3484 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe 83 PID 3484 wrote to memory of 744 3484 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe 83 PID 744 wrote to memory of 2100 744 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe 88 PID 744 wrote to memory of 2100 744 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe 88 PID 744 wrote to memory of 2100 744 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe 88 PID 744 wrote to memory of 2088 744 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe 89 PID 744 wrote to memory of 2088 744 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe 89 PID 744 wrote to memory of 2088 744 f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe 89 -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe"C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe"1⤵PID:4236
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C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe"C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3484 -
C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe"C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe"2⤵
- Drops file in System32 directory
- Sets desktop wallpaper using registry
- Modifies Control Panel
- Modifies data under HKEY_USERS
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:744 -
C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exeC:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe -work worker0 job0-7443⤵
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
PID:2100
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C:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exeC:\Users\Admin\AppData\Local\Temp\f3f25af554bedfa4ee2824bb858280282bd87828d446048619dc49fe061741b4.exe -work worker1 job1-7443⤵
- Enumerates connected drives
PID:2088
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1548
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3KB
MD5164aa420be8e0c2bcdef574355edaa32
SHA14336eaafedfc18a27cdf42bffad63b5a54ea8231
SHA256b326d11dd90c2e4efb0a384981f71c2bd1a6faa0553d6389acb08945b699f73d
SHA512fd1437bc4f45e3f4b5c3d0e7fca9383f45edceb5c8cb603d0b8ee98350a5f2468c2aabdb66f16bdee0bac49afefa4300a093a54ee43b1ff28a541ae612e34d9d