Analysis
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max time kernel
174s -
max time network
203s -
platform
windows10_x64 -
resource
win10-en-20211208 -
submitted
24-01-2022 01:53
Static task
static1
Behavioral task
behavioral1
Sample
6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe
Resource
win10-en-20211208
General
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Target
6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe
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Size
210KB
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MD5
2c9b2855bdcb60d63bd9d859ca6218ce
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SHA1
d7b7ff92d28ef4e9981669a0b6d49145c21e6b38
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SHA256
6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e
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SHA512
8fb3ccfadc9d819de20e3cc22a12590a54a30b5929b1a7a06de560bf2cb752f84237601797a7569350384a26d0ed905d5708af0cfd041618afc9b225fbb4013a
Malware Config
Extracted
C:\9u62ekqx-readme.txt
sodinokibi
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/E3E581375E86E560
http://decryptor.top/E3E581375E86E560
Signatures
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Sodin,Sodinokibi,REvil
Ransomware with advanced anti-analysis and privilege escalation functionality.
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Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Modifies extensions of user files 3 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exedescription ioc process File renamed C:\Users\Admin\Pictures\ProtectApprove.crw => \??\c:\users\admin\pictures\ProtectApprove.crw.9u62ekqx 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File renamed C:\Users\Admin\Pictures\RequestDeny.crw => \??\c:\users\admin\pictures\RequestDeny.crw.9u62ekqx 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File renamed C:\Users\Admin\Pictures\SyncGrant.png => \??\c:\users\admin\pictures\SyncGrant.png.9u62ekqx 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe -
Drops desktop.ini file(s) 26 IoCs
Processes:
6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exedescription ioc process File opened for modification \??\c:\users\admin\downloads\desktop.ini 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened for modification \??\c:\users\admin\pictures\desktop.ini 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened for modification \??\c:\users\public\accountpictures\desktop.ini 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened for modification \??\c:\users\public\documents\desktop.ini 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened for modification \??\c:\program files (x86)\desktop.ini 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened for modification \??\c:\users\public\desktop.ini 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened for modification \??\c:\users\public\music\desktop.ini 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened for modification \??\c:\users\admin\links\desktop.ini 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened for modification \??\c:\users\admin\music\desktop.ini 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened for modification \??\c:\users\public\libraries\desktop.ini 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened for modification \??\c:\users\public\pictures\desktop.ini 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened for modification \??\c:\users\admin\pictures\camera roll\desktop.ini 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened for modification \??\c:\users\admin\pictures\saved pictures\desktop.ini 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened for modification \??\c:\users\admin\contacts\desktop.ini 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened for modification \??\c:\users\public\desktop\desktop.ini 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened for modification \??\c:\users\admin\documents\desktop.ini 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened for modification \??\c:\users\admin\favorites\desktop.ini 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened for modification \??\c:\users\admin\onedrive\desktop.ini 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened for modification \??\c:\users\admin\saved games\desktop.ini 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened for modification \??\c:\users\admin\searches\desktop.ini 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened for modification \??\c:\users\admin\videos\desktop.ini 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened for modification \??\c:\program files\desktop.ini 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened for modification \??\c:\users\admin\desktop\desktop.ini 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened for modification \??\c:\users\admin\favorites\links\desktop.ini 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened for modification \??\c:\users\public\downloads\desktop.ini 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened for modification \??\c:\users\public\videos\desktop.ini 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe -
Enumerates connected drives 3 TTPs 25 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exedescription ioc process File opened (read-only) \??\O: 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened (read-only) \??\Q: 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened (read-only) \??\Z: 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened (read-only) \??\B: 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened (read-only) \??\H: 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened (read-only) \??\J: 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened (read-only) \??\M: 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened (read-only) \??\X: 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened (read-only) \??\D: 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened (read-only) \??\F: 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened (read-only) \??\T: 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened (read-only) \??\U: 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened (read-only) \??\W: 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened (read-only) \??\E: 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened (read-only) \??\L: 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened (read-only) \??\N: 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened (read-only) \??\Y: 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened (read-only) \??\P: 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened (read-only) \??\R: 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened (read-only) \??\S: 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened (read-only) \??\V: 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened (read-only) \??\A: 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened (read-only) \??\G: 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened (read-only) \??\I: 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened (read-only) \??\K: 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\54k6d6661sgr5.bmp" 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe -
Drops file in Program Files directory 25 IoCs
Processes:
6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exedescription ioc process File opened for modification \??\c:\program files\BackupPing.gif 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened for modification \??\c:\program files\OptimizeSplit.css 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened for modification \??\c:\program files\ResumeWait.xps 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened for modification \??\c:\program files\StartPing.DVR 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened for modification \??\c:\program files\StopMount.TS 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened for modification \??\c:\program files\CopyStep.tmp 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened for modification \??\c:\program files\desktop.ini 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File created \??\c:\program files (x86)\9u62ekqx-readme.txt 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened for modification \??\c:\program files\CopyRename.dwfx 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened for modification \??\c:\program files\ExpandCheckpoint.m4a 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened for modification \??\c:\program files\InvokeLock.txt 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened for modification \??\c:\program files\RedoRequest.emz 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened for modification \??\c:\program files\SuspendSearch.ini 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened for modification \??\c:\program files\SyncGet.ini 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened for modification \??\c:\program files\UseSplit.jpg 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File created \??\c:\program files\9u62ekqx-readme.txt 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened for modification \??\c:\program files\CompleteAdd.contact 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened for modification \??\c:\program files\DisableUndo.clr 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened for modification \??\c:\program files\DismountGroup.dwfx 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened for modification \??\c:\program files\FindSwitch.reg 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened for modification \??\c:\program files\OpenResize.cr2 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened for modification \??\c:\program files\ProtectConvertTo.mhtml 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened for modification \??\c:\program files\RegisterOut.3gp 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened for modification \??\c:\program files\ResumeTest.mpg 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe File opened for modification \??\c:\program files (x86)\desktop.ini 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
Processes:
vssadmin.exepid process 1512 vssadmin.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exepid process 3844 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe 3844 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
vssvc.exedescription pid process Token: SeBackupPrivilege 964 vssvc.exe Token: SeRestorePrivilege 964 vssvc.exe Token: SeAuditPrivilege 964 vssvc.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.execmd.exedescription pid process target process PID 3844 wrote to memory of 2608 3844 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe cmd.exe PID 3844 wrote to memory of 2608 3844 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe cmd.exe PID 3844 wrote to memory of 2608 3844 6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe cmd.exe PID 2608 wrote to memory of 1512 2608 cmd.exe vssadmin.exe PID 2608 wrote to memory of 1512 2608 cmd.exe vssadmin.exe PID 2608 wrote to memory of 1512 2608 cmd.exe vssadmin.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe"C:\Users\Admin\AppData\Local\Temp\6a9cbd41cbedeb6e5883f55075e37404b35ecd7f7a01c02361740ff01866583e.exe"1⤵
- Modifies extensions of user files
- Drops desktop.ini file(s)
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin.exe Delete Shadows /All /Quiet & bcdedit /set {default} recoveryenabled No & bcdedit /set {default} bootstatuspolicy ignoreallfailures2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\vssadmin.exevssadmin.exe Delete Shadows /All /Quiet3⤵
- Interacts with shadow copies
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken