Analysis
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max time kernel
26s -
max time network
28s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
19-03-2021 00:27
Static task
static1
Behavioral task
behavioral1
Sample
939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe
Resource
win10v20201028
General
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Target
939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe
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Size
120KB
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MD5
9a24b3de7af3b2a2f1917e72e64da268
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SHA1
783bebb04eda5a88851aa741133ae49c29f44415
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SHA256
939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d
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SHA512
631b8165326463749e8bb01e74304343158b4cd4c6c4e4a8e60922a298b90dab9c83c60fd69c4eda8ddf2dcf97c4040dc723f7e9beeb9a94aee568c30867044d
Malware Config
Extracted
C:\128118icy-readme.txt
sodinokibi
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/D856DFD4914986CA
http://decoder.re/D856DFD4914986CA
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 11 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exedescription ioc process File renamed C:\Users\Admin\Pictures\AssertFind.tif => \??\c:\users\admin\pictures\AssertFind.tif.128118icy 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File renamed C:\Users\Admin\Pictures\InvokeReceive.tiff => \??\c:\users\admin\pictures\InvokeReceive.tiff.128118icy 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File renamed C:\Users\Admin\Pictures\TestConvertTo.png => \??\c:\users\admin\pictures\TestConvertTo.png.128118icy 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened for modification \??\c:\users\admin\pictures\UnlockUninstall.tiff 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File renamed C:\Users\Admin\Pictures\UnlockUninstall.tiff => \??\c:\users\admin\pictures\UnlockUninstall.tiff.128118icy 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File renamed C:\Users\Admin\Pictures\BackupSync.tif => \??\c:\users\admin\pictures\BackupSync.tif.128118icy 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File renamed C:\Users\Admin\Pictures\CloseConvertFrom.png => \??\c:\users\admin\pictures\CloseConvertFrom.png.128118icy 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File renamed C:\Users\Admin\Pictures\ConvertFromTrace.raw => \??\c:\users\admin\pictures\ConvertFromTrace.raw.128118icy 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened for modification \??\c:\users\admin\pictures\InvokeReceive.tiff 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened for modification \??\c:\users\admin\pictures\PopSearch.tiff 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File renamed C:\Users\Admin\Pictures\PopSearch.tiff => \??\c:\users\admin\pictures\PopSearch.tiff.128118icy 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).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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Adds Run key to start application 2 TTPs 2 IoCs
Processes:
939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\aDTFUAIa7j = "C:\\Users\\Admin\\AppData\\Local\\Temp\\939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe" 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe -
Enumerates connected drives 3 TTPs 25 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exedescription ioc process File opened (read-only) \??\Q: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened (read-only) \??\R: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened (read-only) \??\T: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened (read-only) \??\E: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened (read-only) \??\H: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened (read-only) \??\I: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened (read-only) \??\J: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened (read-only) \??\P: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened (read-only) \??\D: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened (read-only) \??\O: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened (read-only) \??\W: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened (read-only) \??\X: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened (read-only) \??\B: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened (read-only) \??\F: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened (read-only) \??\G: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened (read-only) \??\L: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened (read-only) \??\N: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened (read-only) \??\Z: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened (read-only) \??\M: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened (read-only) \??\Y: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened (read-only) \??\A: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened (read-only) \??\K: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened (read-only) \??\S: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened (read-only) \??\U: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened (read-only) \??\V: 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).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\\l55.bmp" 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe -
Drops file in Program Files directory 35 IoCs
Processes:
939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exedescription ioc process File opened for modification \??\c:\program files\RegisterUse.aiff 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened for modification \??\c:\program files\StepRegister.snd 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened for modification \??\c:\program files\SyncEnable.ADTS 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened for modification \??\c:\program files\UpdateJoin.M2TS 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened for modification \??\c:\program files\DismountUnregister.7z 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened for modification \??\c:\program files\ExitUninstall.wma 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened for modification \??\c:\program files\EditSet.xltx 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened for modification \??\c:\program files\OutSelect.vssx 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File created \??\c:\program files\128118icy-readme.txt 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened for modification \??\c:\program files\DenyInitialize.wm 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened for modification \??\c:\program files\TestSearch.gif 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened for modification \??\c:\program files\NewStart.wmx 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened for modification \??\c:\program files\SendProtect.odp 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened for modification \??\c:\program files\RegisterPing.wps 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened for modification \??\c:\program files\ApproveConvertFrom.tiff 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened for modification \??\c:\program files\ClearUnlock.m1v 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened for modification \??\c:\program files\InvokeSet.docm 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened for modification \??\c:\program files\PopSwitch.wmf 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened for modification \??\c:\program files\ResumeAdd.ods 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File created \??\c:\program files (x86)\128118icy-readme.txt 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened for modification \??\c:\program files\CompleteResume.ram 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened for modification \??\c:\program files\ExitSkip.vdx 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened for modification \??\c:\program files\FormatEnable.jpg 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened for modification \??\c:\program files\ImportResume.wmv 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened for modification \??\c:\program files\PushStart.eprtx 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened for modification \??\c:\program files\ReadSkip.vsx 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened for modification \??\c:\program files\CompleteLock.asx 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened for modification \??\c:\program files\CompressFormat.otf 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened for modification \??\c:\program files\ExpandCompress.xps 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened for modification \??\c:\program files\PublishComplete.m3u 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened for modification \??\c:\program files\AssertOptimize.htm 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened for modification \??\c:\program files\BlockRedo.WTV 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened for modification \??\c:\program files\UseWatch.csv 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened for modification \??\c:\program files\OutUnprotect.zip 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe File opened for modification \??\c:\program files\UnblockDisconnect.dwg 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exepid process 880 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe 880 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe 880 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe 880 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
Processes:
939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exevssvc.exedescription pid process Token: SeDebugPrivilege 880 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe Token: SeTakeOwnershipPrivilege 880 939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe Token: SeBackupPrivilege 740 vssvc.exe Token: SeRestorePrivilege 740 vssvc.exe Token: SeAuditPrivilege 740 vssvc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe"C:\Users\Admin\AppData\Local\Temp\939f58c10211a768f664a8f54310dcc42eb672887be61d5d377b5a88be107b9d (1).exe"1⤵
- Modifies extensions of user files
- Adds Run key to start application
- 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