Analysis
-
max time kernel
150s -
max time network
110s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
19-03-2021 21:18
Static task
static1
Behavioral task
behavioral1
Sample
5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe
Resource
win10v20201028
General
-
Target
5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe
-
Size
119KB
-
MD5
efcf44385f64fa88b1b3fd708889cfe7
-
SHA1
429f6dc68319b3fafd9c9541a5ae039f85b4b516
-
SHA256
5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057
-
SHA512
dd4fd2ff9ac50e771e469a2886e0a9000068d84ec42d1e4fc94bb734a997b938fd9088b7a43236009a901034139e9da0872154fea896aaac1ab7a5f2af4a12f0
Malware Config
Extracted
C:\o57y0w54h1-readme.txt
sodinokibi
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/7150CDA72CC9973E
http://decoder.re/7150CDA72CC9973E
Signatures
-
Sodin,Sodinokibi,REvil
Ransomware with advanced anti-analysis and privilege escalation functionality.
-
Modifies extensions of user files 7 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exedescription ioc process File renamed C:\Users\Admin\Pictures\ResolveUse.crw => \??\c:\users\admin\pictures\ResolveUse.crw.o57y0w54h1 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe File opened for modification \??\c:\users\admin\pictures\SkipUnblock.tiff 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe File renamed C:\Users\Admin\Pictures\SkipUnblock.tiff => \??\c:\users\admin\pictures\SkipUnblock.tiff.o57y0w54h1 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe File opened for modification \??\c:\users\admin\pictures\FindSuspend.tiff 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe File renamed C:\Users\Admin\Pictures\FindSuspend.tiff => \??\c:\users\admin\pictures\FindSuspend.tiff.o57y0w54h1 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe File renamed C:\Users\Admin\Pictures\PingUpdate.png => \??\c:\users\admin\pictures\PingUpdate.png.o57y0w54h1 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe File renamed C:\Users\Admin\Pictures\RegisterUndo.tif => \??\c:\users\admin\pictures\RegisterUndo.tif.o57y0w54h1 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Enumerates connected drives 3 TTPs 25 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exedescription ioc process File opened (read-only) \??\G: 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe File opened (read-only) \??\I: 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe File opened (read-only) \??\K: 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe File opened (read-only) \??\R: 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe File opened (read-only) \??\S: 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe File opened (read-only) \??\T: 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe File opened (read-only) \??\E: 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe File opened (read-only) \??\F: 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe File opened (read-only) \??\N: 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe File opened (read-only) \??\X: 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe File opened (read-only) \??\D: 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe File opened (read-only) \??\V: 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe File opened (read-only) \??\B: 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe File opened (read-only) \??\H: 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe File opened (read-only) \??\L: 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe File opened (read-only) \??\M: 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe File opened (read-only) \??\P: 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe File opened (read-only) \??\Q: 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe File opened (read-only) \??\Z: 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe File opened (read-only) \??\A: 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe File opened (read-only) \??\J: 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe File opened (read-only) \??\O: 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe File opened (read-only) \??\U: 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe File opened (read-only) \??\W: 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe File opened (read-only) \??\Y: 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\jhtq997k1lwg.bmp" 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe -
Drops file in Program Files directory 18 IoCs
Processes:
5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exedescription ioc process File opened for modification \??\c:\program files\ConvertEdit.wmv 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe File opened for modification \??\c:\program files\ConvertToShow.emf 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe File opened for modification \??\c:\program files\EditLimit.xlsb 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe File opened for modification \??\c:\program files\ReadClose.sql 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe File created \??\c:\program files\o57y0w54h1-readme.txt 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe File opened for modification \??\c:\program files\AssertConvert.MTS 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe File opened for modification \??\c:\program files\CompleteWait.potx 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe File opened for modification \??\c:\program files\ConfirmApprove.wmx 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe File opened for modification \??\c:\program files\ReceiveSelect.aiff 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe File opened for modification \??\c:\program files\SaveRepair.WTV 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe File opened for modification \??\c:\program files\StartUnprotect.wma 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe File opened for modification \??\c:\program files\SubmitConvertFrom.rm 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe File opened for modification \??\c:\program files\SearchConvertFrom.doc 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe File created \??\c:\program files (x86)\o57y0w54h1-readme.txt 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe File opened for modification \??\c:\program files\DebugRegister.docm 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe File opened for modification \??\c:\program files\ImportConfirm.vssx 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe File opened for modification \??\c:\program files\PushCompress.potm 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe File opened for modification \??\c:\program files\MountCompare.mp4 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exepid process 740 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe 740 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe 740 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe 740 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
Processes:
5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exevssvc.exedescription pid process Token: SeDebugPrivilege 740 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe Token: SeTakeOwnershipPrivilege 740 5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe Token: SeBackupPrivilege 204 vssvc.exe Token: SeRestorePrivilege 204 vssvc.exe Token: SeAuditPrivilege 204 vssvc.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.exe"C:\Users\Admin\AppData\Local\Temp\5ff0e1939ec47e39be4c0749f90e0063af4d50278d963d72e649534eb633f057.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
PID:740
-
C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵PID:3120
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:204