Analysis
-
max time kernel
123s -
max time network
141s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
17-06-2021 05:03
Static task
static1
Behavioral task
behavioral1
Sample
b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe
Resource
win10v20210408
General
-
Target
b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe
-
Size
122KB
-
MD5
1e971a9a6f5d19a7383e9f4d7fa7e3e0
-
SHA1
62b177d400485f41b2ff5800622f24213c41a557
-
SHA256
b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152
-
SHA512
4037cc8f0e605327381d7aca13fda4da4f4945ecfccc04ce7d0c0ce651c3e408b33984b9d144c25cb459928e6c15aac9521d31a92567cb24e31c41dd9bb66577
Malware Config
Extracted
C:\di4l0u-readme.txt
sodinokibi
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/75D30EC5588FDE81
http://decoder.re/75D30EC5588FDE81
Signatures
-
Sodin,Sodinokibi,REvil
Ransomware with advanced anti-analysis and privilege escalation functionality.
-
Modifies Windows Firewall 1 TTPs
-
Modifies extensions of user files 16 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exedescription ioc process File renamed C:\Users\Admin\Pictures\ConfirmRestore.tif => \??\c:\users\admin\pictures\ConfirmRestore.tif.di4l0u b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File opened for modification \??\c:\users\admin\pictures\ImportUninstall.tiff b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File renamed C:\Users\Admin\Pictures\FormatShow.tif => \??\c:\users\admin\pictures\FormatShow.tif.di4l0u b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File renamed C:\Users\Admin\Pictures\UseUndo.png => \??\c:\users\admin\pictures\UseUndo.png.di4l0u b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File renamed C:\Users\Admin\Pictures\StopBackup.png => \??\c:\users\admin\pictures\StopBackup.png.di4l0u b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File renamed C:\Users\Admin\Pictures\SubmitUndo.tif => \??\c:\users\admin\pictures\SubmitUndo.tif.di4l0u b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File renamed C:\Users\Admin\Pictures\UnlockEdit.crw => \??\c:\users\admin\pictures\UnlockEdit.crw.di4l0u b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File renamed C:\Users\Admin\Pictures\CompleteSelect.png => \??\c:\users\admin\pictures\CompleteSelect.png.di4l0u b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File renamed C:\Users\Admin\Pictures\ImportUninstall.tiff => \??\c:\users\admin\pictures\ImportUninstall.tiff.di4l0u b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File renamed C:\Users\Admin\Pictures\PopUnregister.tif => \??\c:\users\admin\pictures\PopUnregister.tif.di4l0u b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File renamed C:\Users\Admin\Pictures\RevokeInitialize.png => \??\c:\users\admin\pictures\RevokeInitialize.png.di4l0u b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File renamed C:\Users\Admin\Pictures\MoveResolve.raw => \??\c:\users\admin\pictures\MoveResolve.raw.di4l0u b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File renamed C:\Users\Admin\Pictures\UseLimit.tiff => \??\c:\users\admin\pictures\UseLimit.tiff.di4l0u b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File renamed C:\Users\Admin\Pictures\RevokeMerge.tif => \??\c:\users\admin\pictures\RevokeMerge.tif.di4l0u b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File renamed C:\Users\Admin\Pictures\RevokeTest.tif => \??\c:\users\admin\pictures\RevokeTest.tif.di4l0u b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File opened for modification \??\c:\users\admin\pictures\UseLimit.tiff b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe -
Enumerates connected drives 3 TTPs 25 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exedescription ioc process File opened (read-only) \??\F: b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File opened (read-only) \??\I: b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File opened (read-only) \??\M: b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File opened (read-only) \??\R: b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File opened (read-only) \??\V: b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File opened (read-only) \??\D: b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File opened (read-only) \??\G: b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File opened (read-only) \??\L: b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File opened (read-only) \??\N: b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File opened (read-only) \??\P: b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File opened (read-only) \??\X: b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File opened (read-only) \??\H: b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File opened (read-only) \??\J: b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File opened (read-only) \??\O: b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File opened (read-only) \??\Q: b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File opened (read-only) \??\S: b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File opened (read-only) \??\U: b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File opened (read-only) \??\W: b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File opened (read-only) \??\A: b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File opened (read-only) \??\B: b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File opened (read-only) \??\E: b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File opened (read-only) \??\K: b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File opened (read-only) \??\T: b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File opened (read-only) \??\Y: b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File opened (read-only) \??\Z: b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\9rbv714.bmp" b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe -
Drops file in Program Files directory 14 IoCs
Processes:
b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exedescription ioc process File created \??\c:\program files (x86)\tmp b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File opened for modification \??\c:\program files\InstallLimit.csv b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File opened for modification \??\c:\program files\MeasureTrace.sql b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File opened for modification \??\c:\program files\RenameSubmit.avi b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File created \??\c:\program files\tmp b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File created \??\c:\program files\di4l0u-readme.txt b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File opened for modification \??\c:\program files\ExitGet.tiff b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File opened for modification \??\c:\program files\SaveProtect.m4a b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File opened for modification \??\c:\program files\StepPublish.shtml b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File opened for modification \??\c:\program files\ResetDisconnect.m1v b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File created \??\c:\program files (x86)\di4l0u-readme.txt b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File opened for modification \??\c:\program files\OptimizeSplit.mov b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File opened for modification \??\c:\program files\ProtectInstall.pub b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe File opened for modification \??\c:\program files\SubmitDebug.mpeg2 b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: EnumeratesProcesses 10 IoCs
Processes:
b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exepid process 580 b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe 580 b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe 580 b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe 580 b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe 580 b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe 580 b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe 580 b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe 580 b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe 580 b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe 580 b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
Processes:
b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exevssvc.exedescription pid process Token: SeDebugPrivilege 580 b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe Token: SeTakeOwnershipPrivilege 580 b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe Token: SeBackupPrivilege 3648 vssvc.exe Token: SeRestorePrivilege 3648 vssvc.exe Token: SeAuditPrivilege 3648 vssvc.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exedescription pid process target process PID 580 wrote to memory of 188 580 b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe netsh.exe PID 580 wrote to memory of 188 580 b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe netsh.exe PID 580 wrote to memory of 188 580 b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe netsh.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe"C:\Users\Admin\AppData\Local\Temp\b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152.exe"1⤵
- Modifies extensions of user files
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:580 -
C:\Windows\SysWOW64\netsh.exenetsh advfirewall firewall set rule group="Network Discovery" new enable=Yes2⤵PID:188
-
C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵PID:1088
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3648
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/188-114-0x0000000000000000-mapping.dmp