Analysis
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max time kernel
158s -
max time network
176s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
16-02-2022 23:04
Static task
static1
Behavioral task
behavioral1
Sample
4080402553e9a86e954c1d9b7d0bb059786f52aba4a179a5d00e219500c8f43d.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
4080402553e9a86e954c1d9b7d0bb059786f52aba4a179a5d00e219500c8f43d.exe
Resource
win10v2004-en-20220112
General
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Target
4080402553e9a86e954c1d9b7d0bb059786f52aba4a179a5d00e219500c8f43d.exe
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Size
777KB
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MD5
f5ecda7dd8bb1c514f93c09cea8ae00d
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SHA1
f5e03c44b584367241cbd2152fbd99fcc9ccd43f
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SHA256
4080402553e9a86e954c1d9b7d0bb059786f52aba4a179a5d00e219500c8f43d
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SHA512
6ba2928825cced798d61cd1880525cbed4aeb79b04b4ec050e9657dfe06a95c7df3dc663dfc0f71c306af05a1dce1c764a27c4e0662719a7ba1f370af3aeb7d9
Malware Config
Extracted
C:\DECRYPT-FILES.txt
maze
http://aoacugmutagkwctu.onion/875c098346af9ba9
https://mazedecrypt.top/875c098346af9ba9
Signatures
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Maze
Ransomware family also known as ChaCha.
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Drops file in Program Files directory 15 IoCs
Processes:
4080402553e9a86e954c1d9b7d0bb059786f52aba4a179a5d00e219500c8f43d.exedescription ioc process File opened for modification C:\Program Files\CompressNew.contact 4080402553e9a86e954c1d9b7d0bb059786f52aba4a179a5d00e219500c8f43d.exe File opened for modification C:\Program Files\LockSplit.search-ms 4080402553e9a86e954c1d9b7d0bb059786f52aba4a179a5d00e219500c8f43d.exe File opened for modification C:\Program Files\SubmitUpdate.cab 4080402553e9a86e954c1d9b7d0bb059786f52aba4a179a5d00e219500c8f43d.exe File created C:\Program Files (x86)\DECRYPT-FILES.txt 4080402553e9a86e954c1d9b7d0bb059786f52aba4a179a5d00e219500c8f43d.exe File created C:\Program Files\DECRYPT-FILES.txt 4080402553e9a86e954c1d9b7d0bb059786f52aba4a179a5d00e219500c8f43d.exe File opened for modification C:\Program Files\ImportResolve.doc 4080402553e9a86e954c1d9b7d0bb059786f52aba4a179a5d00e219500c8f43d.exe File opened for modification C:\Program Files\InstallLock.html 4080402553e9a86e954c1d9b7d0bb059786f52aba4a179a5d00e219500c8f43d.exe File opened for modification C:\Program Files\SwitchRegister.ocx 4080402553e9a86e954c1d9b7d0bb059786f52aba4a179a5d00e219500c8f43d.exe File opened for modification C:\Program Files\InvokeSearch.ps1 4080402553e9a86e954c1d9b7d0bb059786f52aba4a179a5d00e219500c8f43d.exe File opened for modification C:\Program Files\LockFormat.mpp 4080402553e9a86e954c1d9b7d0bb059786f52aba4a179a5d00e219500c8f43d.exe File opened for modification C:\Program Files\SetResize.asx 4080402553e9a86e954c1d9b7d0bb059786f52aba4a179a5d00e219500c8f43d.exe File opened for modification C:\Program Files\UnlockMove.jpeg 4080402553e9a86e954c1d9b7d0bb059786f52aba4a179a5d00e219500c8f43d.exe File opened for modification C:\Program Files (x86)\875c098346af9ba9.tmp 4080402553e9a86e954c1d9b7d0bb059786f52aba4a179a5d00e219500c8f43d.exe File opened for modification C:\Program Files\875c098346af9ba9.tmp 4080402553e9a86e954c1d9b7d0bb059786f52aba4a179a5d00e219500c8f43d.exe File opened for modification C:\Program Files\OutWatch.m1v 4080402553e9a86e954c1d9b7d0bb059786f52aba4a179a5d00e219500c8f43d.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\WinSxS\pending.xml TiWorker.exe File opened for modification C:\Windows\Logs\CBS\CBS.log 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 45 IoCs
Processes:
svchost.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90" 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\DownloadMonthlyInternetBytes = "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\MonthID = "2" 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\LinkLocalConnectionCount = "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\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\DownloadMonthlyLinkLocalBytes = "0" 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\Config\KVFileExpirationTime = "132897030136565254" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.295203" 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\PeerInfoCount = "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\UploadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config 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\SwarmCount = "1" 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\MonthlyUploadRestriction = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4152" svchost.exe 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\DownloadMonthlyRateBkBps = "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\CacheSizeBytes = "0" 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\PriorityDownloadPendingCount = "0" 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\Config\DownloadMode_BackCompat = "1" 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\DownlinkUsageBps = "0" 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\DownloadMonthlyCdnBytes = "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\CDNConnectionCount = "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\InternetConnectionCount = "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\UplinkUsageBps = "0" svchost.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
4080402553e9a86e954c1d9b7d0bb059786f52aba4a179a5d00e219500c8f43d.exepid process 624 4080402553e9a86e954c1d9b7d0bb059786f52aba4a179a5d00e219500c8f43d.exe 624 4080402553e9a86e954c1d9b7d0bb059786f52aba4a179a5d00e219500c8f43d.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
vssvc.exeTiWorker.exedescription pid process Token: SeBackupPrivilege 1816 vssvc.exe Token: SeRestorePrivilege 1816 vssvc.exe Token: SeAuditPrivilege 1816 vssvc.exe Token: SeSecurityPrivilege 1968 TiWorker.exe Token: SeRestorePrivilege 1968 TiWorker.exe Token: SeBackupPrivilege 1968 TiWorker.exe Token: SeBackupPrivilege 1968 TiWorker.exe Token: SeRestorePrivilege 1968 TiWorker.exe Token: SeSecurityPrivilege 1968 TiWorker.exe Token: SeBackupPrivilege 1968 TiWorker.exe Token: SeRestorePrivilege 1968 TiWorker.exe Token: SeSecurityPrivilege 1968 TiWorker.exe Token: SeBackupPrivilege 1968 TiWorker.exe Token: SeRestorePrivilege 1968 TiWorker.exe Token: SeSecurityPrivilege 1968 TiWorker.exe Token: SeBackupPrivilege 1968 TiWorker.exe Token: SeRestorePrivilege 1968 TiWorker.exe Token: SeSecurityPrivilege 1968 TiWorker.exe Token: SeBackupPrivilege 1968 TiWorker.exe Token: SeRestorePrivilege 1968 TiWorker.exe Token: SeSecurityPrivilege 1968 TiWorker.exe Token: SeBackupPrivilege 1968 TiWorker.exe Token: SeRestorePrivilege 1968 TiWorker.exe Token: SeSecurityPrivilege 1968 TiWorker.exe Token: SeBackupPrivilege 1968 TiWorker.exe Token: SeRestorePrivilege 1968 TiWorker.exe Token: SeSecurityPrivilege 1968 TiWorker.exe Token: SeBackupPrivilege 1968 TiWorker.exe Token: SeRestorePrivilege 1968 TiWorker.exe Token: SeSecurityPrivilege 1968 TiWorker.exe Token: SeBackupPrivilege 1968 TiWorker.exe Token: SeRestorePrivilege 1968 TiWorker.exe Token: SeSecurityPrivilege 1968 TiWorker.exe Token: SeBackupPrivilege 1968 TiWorker.exe Token: SeRestorePrivilege 1968 TiWorker.exe Token: SeSecurityPrivilege 1968 TiWorker.exe Token: SeBackupPrivilege 1968 TiWorker.exe Token: SeRestorePrivilege 1968 TiWorker.exe Token: SeSecurityPrivilege 1968 TiWorker.exe Token: SeBackupPrivilege 1968 TiWorker.exe Token: SeRestorePrivilege 1968 TiWorker.exe Token: SeSecurityPrivilege 1968 TiWorker.exe Token: SeBackupPrivilege 1968 TiWorker.exe Token: SeRestorePrivilege 1968 TiWorker.exe Token: SeSecurityPrivilege 1968 TiWorker.exe Token: SeBackupPrivilege 1968 TiWorker.exe Token: SeRestorePrivilege 1968 TiWorker.exe Token: SeSecurityPrivilege 1968 TiWorker.exe Token: SeBackupPrivilege 1968 TiWorker.exe Token: SeRestorePrivilege 1968 TiWorker.exe Token: SeSecurityPrivilege 1968 TiWorker.exe Token: SeBackupPrivilege 1968 TiWorker.exe Token: SeRestorePrivilege 1968 TiWorker.exe Token: SeSecurityPrivilege 1968 TiWorker.exe Token: SeBackupPrivilege 1968 TiWorker.exe Token: SeRestorePrivilege 1968 TiWorker.exe Token: SeSecurityPrivilege 1968 TiWorker.exe Token: SeBackupPrivilege 1968 TiWorker.exe Token: SeRestorePrivilege 1968 TiWorker.exe Token: SeSecurityPrivilege 1968 TiWorker.exe Token: SeBackupPrivilege 1968 TiWorker.exe Token: SeRestorePrivilege 1968 TiWorker.exe Token: SeSecurityPrivilege 1968 TiWorker.exe Token: SeBackupPrivilege 1968 TiWorker.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4080402553e9a86e954c1d9b7d0bb059786f52aba4a179a5d00e219500c8f43d.exe"C:\Users\Admin\AppData\Local\Temp\4080402553e9a86e954c1d9b7d0bb059786f52aba4a179a5d00e219500c8f43d.exe"1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
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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
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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