Resubmissions
25-05-2022 13:27
220525-qp9lpaaga8 1025-05-2022 13:26
220525-qpxl5aaga4 1025-05-2022 13:22
220525-qmg4naeegj 1025-05-2022 13:19
220525-qkwh9saff9 10Analysis
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max time kernel
113s -
max time network
136s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
25-05-2022 13:27
Static task
static1
Behavioral task
behavioral1
Sample
12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe
Resource
win10v2004-20220414-en
General
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Target
12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe
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Size
120KB
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MD5
2075566e7855679d66705741dabe82b4
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SHA1
136443e2746558b403ae6fc9d9b40bfa92b23420
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SHA256
12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39
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SHA512
312dcb3d83a5201ef16c5027aabd8d7baebfd9761bf9514cafecc8a6936970b897b18b993e056d0f7aec81e6f0ab5756aa5efd3165e43f64692d5dbdb7423129
Malware Config
Extracted
C:\0e3y01uk-readme.txt
sodinokibi
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/1ACB72F2B5AC12DC
http://decoder.re/1ACB72F2B5AC12DC
Signatures
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Sodin,Sodinokibi,REvil
Ransomware with advanced anti-analysis and privilege escalation functionality.
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Modifies extensions of user files 9 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exedescription ioc process File renamed C:\Users\Admin\Pictures\SaveConvert.png => \??\c:\users\admin\pictures\SaveConvert.png.0e3y01uk 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe File renamed C:\Users\Admin\Pictures\StepWatch.crw => \??\c:\users\admin\pictures\StepWatch.crw.0e3y01uk 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe File renamed C:\Users\Admin\Pictures\SubmitTrace.crw => \??\c:\users\admin\pictures\SubmitTrace.crw.0e3y01uk 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe File renamed C:\Users\Admin\Pictures\BackupConnect.png => \??\c:\users\admin\pictures\BackupConnect.png.0e3y01uk 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe File renamed C:\Users\Admin\Pictures\GetConvert.tif => \??\c:\users\admin\pictures\GetConvert.tif.0e3y01uk 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe File renamed C:\Users\Admin\Pictures\ReadSubmit.crw => \??\c:\users\admin\pictures\ReadSubmit.crw.0e3y01uk 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe File renamed C:\Users\Admin\Pictures\LimitSwitch.crw => \??\c:\users\admin\pictures\LimitSwitch.crw.0e3y01uk 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe File renamed C:\Users\Admin\Pictures\SetSkip.png => \??\c:\users\admin\pictures\SetSkip.png.0e3y01uk 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe File renamed C:\Users\Admin\Pictures\SwitchConvertFrom.png => \??\c:\users\admin\pictures\SwitchConvertFrom.png.0e3y01uk 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Enumerates connected drives 3 TTPs 25 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exedescription ioc process File opened (read-only) \??\W: 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe File opened (read-only) \??\Z: 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe File opened (read-only) \??\E: 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe File opened (read-only) \??\F: 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe File opened (read-only) \??\I: 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe File opened (read-only) \??\K: 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe File opened (read-only) \??\V: 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe File opened (read-only) \??\G: 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe File opened (read-only) \??\L: 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe File opened (read-only) \??\O: 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe File opened (read-only) \??\P: 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe File opened (read-only) \??\M: 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe File opened (read-only) \??\N: 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe File opened (read-only) \??\R: 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe File opened (read-only) \??\U: 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe File opened (read-only) \??\Q: 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe File opened (read-only) \??\S: 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe File opened (read-only) \??\T: 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe File opened (read-only) \??\X: 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe File opened (read-only) \??\A: 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe File opened (read-only) \??\B: 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe File opened (read-only) \??\H: 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe File opened (read-only) \??\J: 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe File opened (read-only) \??\Y: 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe File opened (read-only) \??\D: 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\s193d5185.bmp" 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe -
Drops file in Program Files directory 13 IoCs
Processes:
12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exedescription ioc process File created \??\c:\program files\0e3y01uk-readme.txt 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe File opened for modification \??\c:\program files\ConfirmFind.mpeg 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe File opened for modification \??\c:\program files\ConfirmFormat.m4v 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe File opened for modification \??\c:\program files\DisableUnblock.vssm 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe File opened for modification \??\c:\program files\EnableTrace.xlt 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe File opened for modification \??\c:\program files\SubmitSkip.xps 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe File opened for modification \??\c:\program files\UnblockMeasure.m3u 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe File created \??\c:\program files (x86)\0e3y01uk-readme.txt 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe File opened for modification \??\c:\program files\ApproveConvertTo.MTS 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe File opened for modification \??\c:\program files\DenyHide.dib 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe File opened for modification \??\c:\program files\RegisterExport.m4a 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe File opened for modification \??\c:\program files\RenameUnregister.html 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe File opened for modification \??\c:\program files\SubmitCompress.mp2 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exepid process 3816 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe 3816 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe 3816 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe 3816 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
Processes:
12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exevssvc.exedescription pid process Token: SeDebugPrivilege 3816 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe Token: SeTakeOwnershipPrivilege 3816 12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe Token: SeBackupPrivilege 4712 vssvc.exe Token: SeRestorePrivilege 4712 vssvc.exe Token: SeAuditPrivilege 4712 vssvc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.exe"C:\Users\Admin\AppData\Local\Temp\12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.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
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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