Analysis
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max time kernel
115s -
max time network
129s -
platform
windows10_x64 -
resource
win10v200410 -
submitted
20-04-2020 15:04
Static task
static1
Behavioral task
behavioral1
Sample
fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe
Resource
win7v200410
Behavioral task
behavioral2
Sample
fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe
Resource
win10v200410
General
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Target
fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe
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Size
506KB
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MD5
e69a8eb94f65480980deaf1ff5a431a6
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SHA1
dcd2ab4540bde88f58dec8e8c243e303ec4bdd87
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SHA256
fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f
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SHA512
3338e225d51efef723a520f52385f01b590638a4da7ccf56b52f59f2cfc169cba8b2f0328d90a1a38eaaeb3074c54d0dd1f82ae7f2bd1b5658a4899a0f93a9d2
Malware Config
Extracted
C:\DECRYPT-FILES.txt
maze
http://aoacugmutagkwctu.onion/86b60968efc3b97f
https://mazedecrypt.top/86b60968efc3b97f
Signatures
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Makes http(s) request 26 IoCs
Contacts server via http/https, possibly for C2 communication.
description flow ioc HTTP URL 4 http://91.218.114.25/register/support/twxuihrq.aspx?v=1y78fk5k2l&lg=81c7b2&ofvv=7 HTTP URL 16 http://91.218.114.32/support/whjb.phtml?cq=r HTTP URL 21 http://91.218.114.79/qmqy.shtml?a=hy8xp&kxh=b7v6v4&ai=4c1o126gw HTTP URL 29 http://91.218.114.79/iswnsott.do?eb=87&ad=852 HTTP URL 25 http://91.218.114.37/gevui.phtml?kr=wo485&aj=d&qds=bt31&x=24022 HTTP URL 5 http://91.218.114.26/withdrawal/payout/iglqpo.jspx?q=3d8po HTTP URL 7 http://91.218.114.4/wire/tracker/bpjdx.action?khlx=n1p1n5f&bet=s633&v=4a3e HTTP URL 8 http://91.218.114.11/register/content/xaentdtoir.action?dtg=0&fcht=17166s3&u=3jhe00c&v=d HTTP URL 18 http://91.218.114.37/view/post/mx.jsp?g=j8x&u=cp553q383e HTTP URL 30 http://91.218.114.79/iswnsott.do?eb=87&ad=852 HTTP URL 1 http://91.218.114.4/la.jsp?putr=6w7 HTTP URL 2 http://91.218.114.4/la.jsp?putr=6w7 HTTP URL 9 http://91.218.114.25/wire/spftpav.phtml?x=7a5p24rh HTTP URL 10 http://91.218.114.26/post/bbg.html?ht=8&suk=n80w7 HTTP URL 19 http://91.218.114.38/checkout/txyixoa.jsp?jyxf=k7t6724oi&nj=dl2f3p4&h=rd HTTP URL 20 http://91.218.114.77/webaccess/xfw.jsp?srsl=e03l2wk87d&l=p1b5a HTTP URL 17 http://91.218.114.32/support/whjb.phtml?cq=r HTTP URL 24 http://91.218.114.37/gevui.phtml?kr=wo485&aj=d&qds=bt31&x=24022 HTTP URL 28 http://91.218.114.77/forum/post/ppfroc.asp?chtf=fjtppne75&mr=4fw588v8t&fl=3s3 HTTP URL 17 http://91.218.114.32/checkout/cbndab.shtml?cjc=5c HTTP URL 3 http://91.218.114.11/private/jockynbic.action?regf=0fx268wc&pnyx=fux3v HTTP URL 23 http://91.218.114.32/checkout/cbndab.shtml?cjc=5c HTTP URL 26 http://91.218.114.38/analytics/hrbcuibs.phtml?xxh=8al1hcky&r=i HTTP URL 22 http://91.218.114.79/qmqy.shtml?a=hy8xp&kxh=b7v6v4&ai=4c1o126gw HTTP URL 2 http://91.218.114.4/wire/tracker/bpjdx.action?khlx=n1p1n5f&bet=s633&v=4a3e HTTP URL 27 http://91.218.114.38/analytics/hrbcuibs.phtml?xxh=8al1hcky&r=i -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2748 fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe 2748 fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe -
Maze
Ransomware family also known as ChaCha.
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Drops startup file 4 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DECRYPT-FILES.txt fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\slscl98.tmp fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\DECRYPT-FILES.txt fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\slscl98.tmp fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2136578390-2771164089-400866267-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\\\000.bmp" fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe -
Modifies service 2 TTPs 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\ASR Writer vssvc.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\Shadow Copy Optimization Writer vssvc.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\SwProvider_{b5946137-7b9f-4925-af80-51abd60b20d5} vssvc.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\Registry Writer vssvc.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\COM+ REGDB Writer vssvc.exe -
Suspicious use of AdjustPrivilegeToken 45 IoCs
description pid Process Token: SeBackupPrivilege 3772 vssvc.exe Token: SeRestorePrivilege 3772 vssvc.exe Token: SeAuditPrivilege 3772 vssvc.exe Token: SeIncreaseQuotaPrivilege 3880 wmic.exe Token: SeSecurityPrivilege 3880 wmic.exe Token: SeTakeOwnershipPrivilege 3880 wmic.exe Token: SeLoadDriverPrivilege 3880 wmic.exe Token: SeSystemProfilePrivilege 3880 wmic.exe Token: SeSystemtimePrivilege 3880 wmic.exe Token: SeProfSingleProcessPrivilege 3880 wmic.exe Token: SeIncBasePriorityPrivilege 3880 wmic.exe Token: SeCreatePagefilePrivilege 3880 wmic.exe Token: SeBackupPrivilege 3880 wmic.exe Token: SeRestorePrivilege 3880 wmic.exe Token: SeShutdownPrivilege 3880 wmic.exe Token: SeDebugPrivilege 3880 wmic.exe Token: SeSystemEnvironmentPrivilege 3880 wmic.exe Token: SeRemoteShutdownPrivilege 3880 wmic.exe Token: SeUndockPrivilege 3880 wmic.exe Token: SeManageVolumePrivilege 3880 wmic.exe Token: 33 3880 wmic.exe Token: 34 3880 wmic.exe Token: 35 3880 wmic.exe Token: 36 3880 wmic.exe Token: SeIncreaseQuotaPrivilege 3880 wmic.exe Token: SeSecurityPrivilege 3880 wmic.exe Token: SeTakeOwnershipPrivilege 3880 wmic.exe Token: SeLoadDriverPrivilege 3880 wmic.exe Token: SeSystemProfilePrivilege 3880 wmic.exe Token: SeSystemtimePrivilege 3880 wmic.exe Token: SeProfSingleProcessPrivilege 3880 wmic.exe Token: SeIncBasePriorityPrivilege 3880 wmic.exe Token: SeCreatePagefilePrivilege 3880 wmic.exe Token: SeBackupPrivilege 3880 wmic.exe Token: SeRestorePrivilege 3880 wmic.exe Token: SeShutdownPrivilege 3880 wmic.exe Token: SeDebugPrivilege 3880 wmic.exe Token: SeSystemEnvironmentPrivilege 3880 wmic.exe Token: SeRemoteShutdownPrivilege 3880 wmic.exe Token: SeUndockPrivilege 3880 wmic.exe Token: SeManageVolumePrivilege 3880 wmic.exe Token: 33 3880 wmic.exe Token: 34 3880 wmic.exe Token: 35 3880 wmic.exe Token: 36 3880 wmic.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 2748 wrote to memory of 3880 2748 fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe 72 PID 2748 wrote to memory of 3880 2748 fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe 72 -
Drops file in Program Files directory 43 IoCs
description ioc Process File opened for modification C:\Program Files\MoveExpand.wmf fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe File opened for modification C:\Program Files\NewExport.m1v fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe File opened for modification C:\Program Files\ResolveWait.mp4 fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe File opened for modification C:\Program Files\SetProtect.DVR fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe File opened for modification C:\Program Files\DebugJoin.snd fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe File opened for modification C:\Program Files\ReadMount.3g2 fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe File opened for modification C:\Program Files\RedoUninstall.mpeg3 fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe File opened for modification C:\Program Files\SaveUnblock.mp2v fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe File opened for modification C:\Program Files\DisableUnlock.emf fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe File opened for modification C:\Program Files\PingGet.DVR fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe File opened for modification C:\Program Files\ResumeMove.aifc fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe File opened for modification C:\Program Files\SplitSubmit.wdp fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe File opened for modification C:\Program Files\SubmitWatch.gif fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe File created C:\Program Files (x86)\DECRYPT-FILES.txt fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe File opened for modification C:\Program Files (x86)\slscl98.tmp fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe File created C:\Program Files\DECRYPT-FILES.txt fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe File opened for modification C:\Program Files\ClearCompare.vsd fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe File opened for modification C:\Program Files\DismountClose.odp fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe File opened for modification C:\Program Files\ExportDisconnect.mhtml fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe File opened for modification C:\Program Files\GetBlock.emz fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe File opened for modification C:\Program Files\MeasureExpand.cmd fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe File opened for modification C:\Program Files\RequestMeasure.odt fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe File opened for modification C:\Program Files\UnblockDisconnect.m4v fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe File opened for modification C:\Program Files\PublishClose.dotx fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe File opened for modification C:\Program Files\UninstallCheckpoint.dib fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe File opened for modification C:\Program Files\UnprotectImport.kix fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe File opened for modification C:\Program Files\ReceiveConfirm.wmf fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe File opened for modification C:\Program Files\RemoveLimit.wmv fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe File opened for modification C:\Program Files\SwitchDeny.ttf fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe File opened for modification C:\Program Files\ApproveResize.mpeg fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe File opened for modification C:\Program Files\ImportWatch.htm fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe File opened for modification C:\Program Files\LimitClear.avi fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe File opened for modification C:\Program Files\RedoHide.xml fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe File opened for modification C:\Program Files\RestoreRegister.mht fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe File opened for modification C:\Program Files\SkipReset.vsd fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe File opened for modification C:\Program Files\slscl98.tmp fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe File opened for modification C:\Program Files\UninstallCopy.rm fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe File opened for modification C:\Program Files\HideExport.AAC fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe File opened for modification C:\Program Files\RenameUnblock.ram fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe File opened for modification C:\Program Files\SubmitConvertTo.rar fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe File opened for modification C:\Program Files\SubmitHide.xhtml fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe File opened for modification C:\Program Files\SyncShow.ods fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe File opened for modification C:\Program Files\UnprotectUpdate.png fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe -
Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
Processes
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C:\Users\Admin\AppData\Local\Temp\fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe"C:\Users\Admin\AppData\Local\Temp\fc611f9d09f645f31c4a77a27b6e6b1aec74db916d0712bef5bce052d12c971f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Drops startup file
- Sets desktop wallpaper using registry
- Suspicious use of WriteProcessMemory
- Drops file in Program Files directory
PID:2748 -
C:\Windows\system32\wbem\wmic.exe"C:\xx\bqwq\..\..\Windows\mkuhf\..\system32\u\fnns\..\..\wbem\v\..\wmic.exe" shadowcopy delete2⤵
- Suspicious use of AdjustPrivilegeToken
PID:3880
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Modifies service
- Suspicious use of AdjustPrivilegeToken
PID:3772