Analysis
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max time kernel
149s -
max time network
24s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
18-03-2021 23:58
Static task
static1
Behavioral task
behavioral1
Sample
15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe
Resource
win10v20201028
General
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Target
15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe
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Size
119KB
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MD5
b342716c369faf9ca8fd102a5e8723dd
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SHA1
970eb66d97900e5dbfc2d25c544624a2f11b2aa3
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SHA256
15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd
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SHA512
82c3fc7cacaa5996ff61dbe6492389c52a8abb182277734c6aac650481e0e17ad3724f475e93bfc7f2e29bdcbb88eb812221ad3e4829ec3f859f88b125097645
Malware Config
Extracted
C:\n9ce2l8f-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:
15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exedescription ioc process File renamed C:\Users\Admin\Pictures\AssertFind.tif => \??\c:\users\admin\pictures\AssertFind.tif.n9ce2l8f 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File renamed C:\Users\Admin\Pictures\InvokeReceive.tiff => \??\c:\users\admin\pictures\InvokeReceive.tiff.n9ce2l8f 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File renamed C:\Users\Admin\Pictures\UnlockUninstall.tiff => \??\c:\users\admin\pictures\UnlockUninstall.tiff.n9ce2l8f 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File renamed C:\Users\Admin\Pictures\TestConvertTo.png => \??\c:\users\admin\pictures\TestConvertTo.png.n9ce2l8f 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened for modification \??\c:\users\admin\pictures\UnlockUninstall.tiff 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File renamed C:\Users\Admin\Pictures\BackupSync.tif => \??\c:\users\admin\pictures\BackupSync.tif.n9ce2l8f 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File renamed C:\Users\Admin\Pictures\CloseConvertFrom.png => \??\c:\users\admin\pictures\CloseConvertFrom.png.n9ce2l8f 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File renamed C:\Users\Admin\Pictures\ConvertFromTrace.raw => \??\c:\users\admin\pictures\ConvertFromTrace.raw.n9ce2l8f 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened for modification \??\c:\users\admin\pictures\InvokeReceive.tiff 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened for modification \??\c:\users\admin\pictures\PopSearch.tiff 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File renamed C:\Users\Admin\Pictures\PopSearch.tiff => \??\c:\users\admin\pictures\PopSearch.tiff.n9ce2l8f 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.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:
15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\PtwlDkH6xQ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe" 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe -
Enumerates connected drives 3 TTPs 25 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exedescription ioc process File opened (read-only) \??\A: 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened (read-only) \??\B: 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened (read-only) \??\F: 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened (read-only) \??\H: 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened (read-only) \??\J: 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened (read-only) \??\Y: 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened (read-only) \??\D: 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened (read-only) \??\I: 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened (read-only) \??\L: 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened (read-only) \??\N: 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened (read-only) \??\R: 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened (read-only) \??\U: 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened (read-only) \??\W: 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened (read-only) \??\G: 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened (read-only) \??\K: 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened (read-only) \??\M: 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened (read-only) \??\O: 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened (read-only) \??\T: 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened (read-only) \??\Z: 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened (read-only) \??\E: 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened (read-only) \??\P: 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened (read-only) \??\Q: 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened (read-only) \??\S: 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened (read-only) \??\V: 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened (read-only) \??\X: 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.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\\3n223nw4.bmp" 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe -
Drops file in Program Files directory 35 IoCs
Processes:
15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exedescription ioc process File opened for modification \??\c:\program files\ClearUnlock.m1v 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened for modification \??\c:\program files\CompleteLock.asx 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened for modification \??\c:\program files\PublishComplete.m3u 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened for modification \??\c:\program files\RegisterPing.wps 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened for modification \??\c:\program files\UpdateJoin.M2TS 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened for modification \??\c:\program files\ExitSkip.vdx 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened for modification \??\c:\program files\ExitUninstall.wma 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened for modification \??\c:\program files\NewStart.wmx 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened for modification \??\c:\program files\PopSwitch.wmf 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened for modification \??\c:\program files\PushStart.eprtx 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened for modification \??\c:\program files\SyncEnable.ADTS 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File created \??\c:\program files (x86)\n9ce2l8f-readme.txt 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened for modification \??\c:\program files\BlockRedo.WTV 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened for modification \??\c:\program files\CompleteResume.ram 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened for modification \??\c:\program files\DenyInitialize.wm 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened for modification \??\c:\program files\ImportResume.wmv 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened for modification \??\c:\program files\RegisterUse.aiff 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened for modification \??\c:\program files\UseWatch.csv 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened for modification \??\c:\program files\ApproveConvertFrom.tiff 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened for modification \??\c:\program files\CompressFormat.otf 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened for modification \??\c:\program files\DismountUnregister.7z 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened for modification \??\c:\program files\EditSet.xltx 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened for modification \??\c:\program files\InvokeSet.docm 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened for modification \??\c:\program files\OutSelect.vssx 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File created \??\c:\program files\n9ce2l8f-readme.txt 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened for modification \??\c:\program files\ExpandCompress.xps 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened for modification \??\c:\program files\FormatEnable.jpg 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened for modification \??\c:\program files\ReadSkip.vsx 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened for modification \??\c:\program files\TestSearch.gif 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened for modification \??\c:\program files\AssertOptimize.htm 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened for modification \??\c:\program files\ResumeAdd.ods 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened for modification \??\c:\program files\SendProtect.odp 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened for modification \??\c:\program files\OutUnprotect.zip 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened for modification \??\c:\program files\StepRegister.snd 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe File opened for modification \??\c:\program files\UnblockDisconnect.dwg 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exepid process 880 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe 880 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe 880 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe 880 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
Processes:
15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exevssvc.exedescription pid process Token: SeDebugPrivilege 880 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe Token: SeTakeOwnershipPrivilege 880 15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe Token: SeBackupPrivilege 2324 vssvc.exe Token: SeRestorePrivilege 2324 vssvc.exe Token: SeAuditPrivilege 2324 vssvc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.exe"C:\Users\Admin\AppData\Local\Temp\15dc53519848adbcd6a64c524027201f013c4acba7d7002b4461d0e5b82859fd.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
PID:880
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵PID:996
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2324