Analysis
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max time kernel
183s -
max time network
197s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
16-02-2022 22:55
Static task
static1
Behavioral task
behavioral1
Sample
6568e9ac34905c32255bab713c259d76fab2c162be84d913ab0076a05e2605c3.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
6568e9ac34905c32255bab713c259d76fab2c162be84d913ab0076a05e2605c3.exe
Resource
win10v2004-en-20220112
General
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Target
6568e9ac34905c32255bab713c259d76fab2c162be84d913ab0076a05e2605c3.exe
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Size
758KB
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MD5
76166a976c7d3cf9c02dfa118574af10
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SHA1
7c6cac9726fa19fa2f1fd33d58f915665a460fb8
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SHA256
6568e9ac34905c32255bab713c259d76fab2c162be84d913ab0076a05e2605c3
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SHA512
6d84a7701f4d118b656fec9d3d3a183f4b7e093ea923066877b9319fcfa2b18ad7fa29c254b0d4a4c1ba42cca9e90ca26296fb8f6e5a6d7a1d6bef0f78fc21bf
Malware Config
Extracted
C:\DECRYPT-FILES.txt
maze
http://aoacugmutagkwctu.onion/6b850caf9937d44d
https://mazedecrypt.top/6b850caf9937d44d
Signatures
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Maze
Ransomware family also known as ChaCha.
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Drops file in Program Files directory 18 IoCs
Processes:
6568e9ac34905c32255bab713c259d76fab2c162be84d913ab0076a05e2605c3.exedescription ioc Process File opened for modification C:\Program Files\RedoProtect.mid 6568e9ac34905c32255bab713c259d76fab2c162be84d913ab0076a05e2605c3.exe File opened for modification C:\Program Files\WatchOpen.jfif 6568e9ac34905c32255bab713c259d76fab2c162be84d913ab0076a05e2605c3.exe File opened for modification C:\Program Files\GrantDeny.gif 6568e9ac34905c32255bab713c259d76fab2c162be84d913ab0076a05e2605c3.exe File opened for modification C:\Program Files\RequestRedo.xlsm 6568e9ac34905c32255bab713c259d76fab2c162be84d913ab0076a05e2605c3.exe File created C:\Program Files (x86)\DECRYPT-FILES.txt 6568e9ac34905c32255bab713c259d76fab2c162be84d913ab0076a05e2605c3.exe File created C:\Program Files\DECRYPT-FILES.txt 6568e9ac34905c32255bab713c259d76fab2c162be84d913ab0076a05e2605c3.exe File opened for modification C:\Program Files\6b850caf9937d44d.tmp 6568e9ac34905c32255bab713c259d76fab2c162be84d913ab0076a05e2605c3.exe File opened for modification C:\Program Files\LockSplit.wvx 6568e9ac34905c32255bab713c259d76fab2c162be84d913ab0076a05e2605c3.exe File opened for modification C:\Program Files\OutRemove.ico 6568e9ac34905c32255bab713c259d76fab2c162be84d913ab0076a05e2605c3.exe File opened for modification C:\Program Files\RedoCompare.fon 6568e9ac34905c32255bab713c259d76fab2c162be84d913ab0076a05e2605c3.exe File opened for modification C:\Program Files\ResumeMeasure.xht 6568e9ac34905c32255bab713c259d76fab2c162be84d913ab0076a05e2605c3.exe File opened for modification C:\Program Files\ResumeRepair.csv 6568e9ac34905c32255bab713c259d76fab2c162be84d913ab0076a05e2605c3.exe File opened for modification C:\Program Files\UnlockStep.emf 6568e9ac34905c32255bab713c259d76fab2c162be84d913ab0076a05e2605c3.exe File opened for modification C:\Program Files\InitializeShow.WTV 6568e9ac34905c32255bab713c259d76fab2c162be84d913ab0076a05e2605c3.exe File opened for modification C:\Program Files\InvokeUnblock.xla 6568e9ac34905c32255bab713c259d76fab2c162be84d913ab0076a05e2605c3.exe File opened for modification C:\Program Files (x86)\6b850caf9937d44d.tmp 6568e9ac34905c32255bab713c259d76fab2c162be84d913ab0076a05e2605c3.exe File opened for modification C:\Program Files\ApproveSet.DVR 6568e9ac34905c32255bab713c259d76fab2c162be84d913ab0076a05e2605c3.exe File opened for modification C:\Program Files\RedoDismount.mpeg2 6568e9ac34905c32255bab713c259d76fab2c162be84d913ab0076a05e2605c3.exe -
Drops file in Windows directory 3 IoCs
Processes:
svchost.exeTiWorker.exedescription ioc Process File opened for modification C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat svchost.exe File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe File opened for modification C:\Windows\WinSxS\pending.xml TiWorker.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
MusNotifyIcon.exedescription ioc Process Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 MusNotifyIcon.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz MusNotifyIcon.exe -
Modifies data under HKEY_USERS 55 IoCs
Processes:
svchost.exedescription ioc Process Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "1157726" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132897024068761753" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.249540" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "4" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.000317" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\Geo_EndpointFullUri = "https://geo.prod.do.dsp.mp.microsoft.com/geo" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4308" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "90228624" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3972" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.556283" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\GeoVersion_EndpointFullUri = "https://geover.prod.do.dsp.mp.microsoft.com/geoversion" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4084" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000" svchost.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
6568e9ac34905c32255bab713c259d76fab2c162be84d913ab0076a05e2605c3.exepid Process 1840 6568e9ac34905c32255bab713c259d76fab2c162be84d913ab0076a05e2605c3.exe 1840 6568e9ac34905c32255bab713c259d76fab2c162be84d913ab0076a05e2605c3.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exevssvc.exedescription pid Process Token: SeSecurityPrivilege 3844 TiWorker.exe Token: SeRestorePrivilege 3844 TiWorker.exe Token: SeBackupPrivilege 3844 TiWorker.exe Token: SeBackupPrivilege 3428 vssvc.exe Token: SeRestorePrivilege 3428 vssvc.exe Token: SeAuditPrivilege 3428 vssvc.exe Token: SeBackupPrivilege 3844 TiWorker.exe Token: SeRestorePrivilege 3844 TiWorker.exe Token: SeSecurityPrivilege 3844 TiWorker.exe Token: SeBackupPrivilege 3844 TiWorker.exe Token: SeRestorePrivilege 3844 TiWorker.exe Token: SeSecurityPrivilege 3844 TiWorker.exe Token: SeBackupPrivilege 3844 TiWorker.exe Token: SeRestorePrivilege 3844 TiWorker.exe Token: SeSecurityPrivilege 3844 TiWorker.exe Token: SeBackupPrivilege 3844 TiWorker.exe Token: SeRestorePrivilege 3844 TiWorker.exe Token: SeSecurityPrivilege 3844 TiWorker.exe Token: SeBackupPrivilege 3844 TiWorker.exe Token: SeRestorePrivilege 3844 TiWorker.exe Token: SeSecurityPrivilege 3844 TiWorker.exe Token: SeBackupPrivilege 3844 TiWorker.exe Token: SeRestorePrivilege 3844 TiWorker.exe Token: SeSecurityPrivilege 3844 TiWorker.exe Token: SeBackupPrivilege 3844 TiWorker.exe Token: SeRestorePrivilege 3844 TiWorker.exe Token: SeSecurityPrivilege 3844 TiWorker.exe Token: SeBackupPrivilege 3844 TiWorker.exe Token: SeRestorePrivilege 3844 TiWorker.exe Token: SeSecurityPrivilege 3844 TiWorker.exe Token: SeBackupPrivilege 3844 TiWorker.exe Token: SeRestorePrivilege 3844 TiWorker.exe Token: SeSecurityPrivilege 3844 TiWorker.exe Token: SeBackupPrivilege 3844 TiWorker.exe Token: SeRestorePrivilege 3844 TiWorker.exe Token: SeSecurityPrivilege 3844 TiWorker.exe Token: SeBackupPrivilege 3844 TiWorker.exe Token: SeRestorePrivilege 3844 TiWorker.exe Token: SeSecurityPrivilege 3844 TiWorker.exe Token: SeBackupPrivilege 3844 TiWorker.exe Token: SeRestorePrivilege 3844 TiWorker.exe Token: SeSecurityPrivilege 3844 TiWorker.exe Token: SeBackupPrivilege 3844 TiWorker.exe Token: SeRestorePrivilege 3844 TiWorker.exe Token: SeSecurityPrivilege 3844 TiWorker.exe Token: SeBackupPrivilege 3844 TiWorker.exe Token: SeRestorePrivilege 3844 TiWorker.exe Token: SeSecurityPrivilege 3844 TiWorker.exe Token: SeBackupPrivilege 3844 TiWorker.exe Token: SeRestorePrivilege 3844 TiWorker.exe Token: SeSecurityPrivilege 3844 TiWorker.exe Token: SeBackupPrivilege 3844 TiWorker.exe Token: SeRestorePrivilege 3844 TiWorker.exe Token: SeSecurityPrivilege 3844 TiWorker.exe Token: SeBackupPrivilege 3844 TiWorker.exe Token: SeRestorePrivilege 3844 TiWorker.exe Token: SeSecurityPrivilege 3844 TiWorker.exe Token: SeBackupPrivilege 3844 TiWorker.exe Token: SeRestorePrivilege 3844 TiWorker.exe Token: SeSecurityPrivilege 3844 TiWorker.exe Token: SeBackupPrivilege 3844 TiWorker.exe Token: SeRestorePrivilege 3844 TiWorker.exe Token: SeSecurityPrivilege 3844 TiWorker.exe Token: SeBackupPrivilege 3844 TiWorker.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\6568e9ac34905c32255bab713c259d76fab2c162be84d913ab0076a05e2605c3.exe"C:\Users\Admin\AppData\Local\Temp\6568e9ac34905c32255bab713c259d76fab2c162be84d913ab0076a05e2605c3.exe"1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
PID:1840
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:636
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:3860
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C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exeC:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:3844
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3428