Analysis
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max time kernel
143s -
max time network
113s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
19-03-2021 21:19
Static task
static1
Behavioral task
behavioral1
Sample
510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe
Resource
win10v20201028
General
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Target
510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe
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Size
120KB
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MD5
657c649437f3a74dfb90b5fe767d326f
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SHA1
341ad6a639fb7ea6d3fcfaf976cd78619bf0c35d
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SHA256
510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329
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SHA512
2a096d7dcd3f212d32d6122952d56691c0a4be6f02a5a2818218b7e0da4abefebffa2c7f93a56c7e74463f5b743d0e6eaebfb93a8238770f37f2ce43826e9d74
Malware Config
Extracted
C:\1z2t5cq47x-readme.txt
sodinokibi
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/AD20B48AAA252385
http://decoder.re/AD20B48AAA252385
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 7 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exedescription ioc process File renamed C:\Users\Admin\Pictures\ClearUnpublish.crw => \??\c:\users\admin\pictures\ClearUnpublish.crw.1z2t5cq47x 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe File renamed C:\Users\Admin\Pictures\CloseComplete.raw => \??\c:\users\admin\pictures\CloseComplete.raw.1z2t5cq47x 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe File renamed C:\Users\Admin\Pictures\OptimizePush.png => \??\c:\users\admin\pictures\OptimizePush.png.1z2t5cq47x 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe File renamed C:\Users\Admin\Pictures\ProtectMove.tif => \??\c:\users\admin\pictures\ProtectMove.tif.1z2t5cq47x 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe File renamed C:\Users\Admin\Pictures\SkipApprove.crw => \??\c:\users\admin\pictures\SkipApprove.crw.1z2t5cq47x 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe File renamed C:\Users\Admin\Pictures\UpdateProtect.crw => \??\c:\users\admin\pictures\UpdateProtect.crw.1z2t5cq47x 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe File renamed C:\Users\Admin\Pictures\WriteResolve.tif => \??\c:\users\admin\pictures\WriteResolve.tif.1z2t5cq47x 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.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:
510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exedescription ioc process File opened (read-only) \??\P: 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe File opened (read-only) \??\Q: 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe File opened (read-only) \??\S: 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe File opened (read-only) \??\A: 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe File opened (read-only) \??\K: 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe File opened (read-only) \??\N: 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe File opened (read-only) \??\O: 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe File opened (read-only) \??\V: 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe File opened (read-only) \??\W: 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe File opened (read-only) \??\Y: 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe File opened (read-only) \??\D: 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe File opened (read-only) \??\I: 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe File opened (read-only) \??\J: 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe File opened (read-only) \??\M: 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe File opened (read-only) \??\U: 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe File opened (read-only) \??\B: 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe File opened (read-only) \??\F: 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe File opened (read-only) \??\G: 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe File opened (read-only) \??\H: 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe File opened (read-only) \??\X: 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe File opened (read-only) \??\Z: 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe File opened (read-only) \??\E: 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe File opened (read-only) \??\L: 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe File opened (read-only) \??\R: 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe File opened (read-only) \??\T: 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.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\\3r91c3e6.bmp" 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe -
Drops file in Program Files directory 17 IoCs
Processes:
510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exedescription ioc process File opened for modification \??\c:\program files\LimitMount.xml 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe File opened for modification \??\c:\program files\ReceiveTrace.emz 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe File opened for modification \??\c:\program files\ResetHide.mp4v 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe File opened for modification \??\c:\program files\UnlockCompare.csv 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe File created \??\c:\program files (x86)\1z2t5cq47x-readme.txt 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe File opened for modification \??\c:\program files\InstallHide.php 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe File opened for modification \??\c:\program files\TraceUninstall.vsd 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe File opened for modification \??\c:\program files\EnableNew.gif 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe File opened for modification \??\c:\program files\CompressWatch.i64 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe File opened for modification \??\c:\program files\RegisterOptimize.potx 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe File opened for modification \??\c:\program files\RequestGroup.wps 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe File opened for modification \??\c:\program files\WaitUpdate.vsdm 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe File created \??\c:\program files\1z2t5cq47x-readme.txt 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe File opened for modification \??\c:\program files\MeasurePop.mp4 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe File opened for modification \??\c:\program files\OptimizeExpand.3gp2 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe File opened for modification \??\c:\program files\PopExport.M2T 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe File opened for modification \??\c:\program files\ConfirmSwitch.pptm 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exepid process 756 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe 756 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe 756 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe 756 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
Processes:
510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exevssvc.exedescription pid process Token: SeDebugPrivilege 756 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe Token: SeTakeOwnershipPrivilege 756 510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe Token: SeBackupPrivilege 2828 vssvc.exe Token: SeRestorePrivilege 2828 vssvc.exe Token: SeAuditPrivilege 2828 vssvc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.exe"C:\Users\Admin\AppData\Local\Temp\510c4c7283b3637947781b8a568c23de1896601813aad52062e319dbd9877329.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:756
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵PID:2028
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2828