32057fad31bfb5015fc818847d245cd144a3c8166ae377cc4143ee5795ac06e5.exe
655KB
15-02-2022 14:33
behavioral2
5214689cb18baecfe0267940ad845398
919514c68f7e009ddbb523fc17bbb2ba5604cac4
32057fad31bfb5015fc818847d245cd144a3c8166ae377cc4143ee5795ac06e5
a2b18ac30bf332c5f473b48f6a570013dc9e8ec51ed212032253226d620a7b8018a05d018d8a0eea32e51ad5382b2b519d54da6bdebab8bae5f72664e8f500b9
Extracted
Family | vidar |
Version | 48.1 |
Botnet | 937 |
C2 |
https://koyu.space/@rspich |
Attributes |
profile_id 937 |
Filter: none
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Suspicious use of NtCreateProcessExOtherParentProcessWerFault.exe
Reported IOCs
description pid process target process PID 1744 created 1212 1744 WerFault.exe 32057fad31bfb5015fc818847d245cd144a3c8166ae377cc4143ee5795ac06e5.exe -
Vidar
Description
Vidar is an infostealer based on Arkei stealer.
Tags
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Vidar Stealer
Tags
Reported IOCs
resource yara_rule behavioral2/memory/1212-135-0x0000000000400000-0x00000000004D8000-memory.dmp family_vidar behavioral2/memory/1212-134-0x00000000021C0000-0x0000000002295000-memory.dmp family_vidar -
Drops file in Windows directorysvchost.exeTiWorker.exe
Reported IOCs
description ioc process File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.edb svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm svchost.exe File opened for modification C:\Windows\SoftwareDistribution\ReportingEvents.log 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 File opened for modification C:\Windows\WindowsUpdate.log svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk svchost.exe -
Program crashWerFault.exe
Reported IOCs
pid pid_target process target process 1956 1212 WerFault.exe 32057fad31bfb5015fc818847d245cd144a3c8166ae377cc4143ee5795ac06e5.exe -
Checks processor information in registryWerFault.exe
Description
Processor information is often read in order to detect sandboxing environments.
TTPs
Reported IOCs
description ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WerFault.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WerFault.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WerFault.exe -
Enumerates system info in registryWerFault.exe
TTPs
Reported IOCs
description ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WerFault.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WerFault.exe -
Suspicious behavior: EnumeratesProcessesWerFault.exe
Reported IOCs
pid process 1956 WerFault.exe 1956 WerFault.exe -
Suspicious use of AdjustPrivilegeTokensvchost.exeWerFault.exeTiWorker.exe
Reported IOCs
description pid process Token: SeShutdownPrivilege 1952 svchost.exe Token: SeCreatePagefilePrivilege 1952 svchost.exe Token: SeShutdownPrivilege 1952 svchost.exe Token: SeCreatePagefilePrivilege 1952 svchost.exe Token: SeRestorePrivilege 1956 WerFault.exe Token: SeBackupPrivilege 1956 WerFault.exe Token: SeShutdownPrivilege 1952 svchost.exe Token: SeCreatePagefilePrivilege 1952 svchost.exe Token: SeSecurityPrivilege 1600 TiWorker.exe Token: SeRestorePrivilege 1600 TiWorker.exe Token: SeBackupPrivilege 1600 TiWorker.exe Token: SeBackupPrivilege 1600 TiWorker.exe Token: SeRestorePrivilege 1600 TiWorker.exe Token: SeSecurityPrivilege 1600 TiWorker.exe Token: SeBackupPrivilege 1600 TiWorker.exe Token: SeRestorePrivilege 1600 TiWorker.exe Token: SeSecurityPrivilege 1600 TiWorker.exe Token: SeBackupPrivilege 1600 TiWorker.exe Token: SeRestorePrivilege 1600 TiWorker.exe Token: SeSecurityPrivilege 1600 TiWorker.exe Token: SeBackupPrivilege 1600 TiWorker.exe Token: SeRestorePrivilege 1600 TiWorker.exe Token: SeSecurityPrivilege 1600 TiWorker.exe Token: SeBackupPrivilege 1600 TiWorker.exe Token: SeRestorePrivilege 1600 TiWorker.exe Token: SeSecurityPrivilege 1600 TiWorker.exe Token: SeBackupPrivilege 1600 TiWorker.exe Token: SeRestorePrivilege 1600 TiWorker.exe Token: SeSecurityPrivilege 1600 TiWorker.exe Token: SeBackupPrivilege 1600 TiWorker.exe Token: SeRestorePrivilege 1600 TiWorker.exe Token: SeSecurityPrivilege 1600 TiWorker.exe Token: SeBackupPrivilege 1600 TiWorker.exe Token: SeRestorePrivilege 1600 TiWorker.exe Token: SeSecurityPrivilege 1600 TiWorker.exe Token: SeBackupPrivilege 1600 TiWorker.exe Token: SeRestorePrivilege 1600 TiWorker.exe Token: SeSecurityPrivilege 1600 TiWorker.exe Token: SeBackupPrivilege 1600 TiWorker.exe Token: SeRestorePrivilege 1600 TiWorker.exe Token: SeSecurityPrivilege 1600 TiWorker.exe Token: SeBackupPrivilege 1600 TiWorker.exe Token: SeRestorePrivilege 1600 TiWorker.exe Token: SeSecurityPrivilege 1600 TiWorker.exe Token: SeBackupPrivilege 1600 TiWorker.exe Token: SeRestorePrivilege 1600 TiWorker.exe Token: SeSecurityPrivilege 1600 TiWorker.exe Token: SeBackupPrivilege 1600 TiWorker.exe Token: SeRestorePrivilege 1600 TiWorker.exe Token: SeSecurityPrivilege 1600 TiWorker.exe Token: SeBackupPrivilege 1600 TiWorker.exe Token: SeRestorePrivilege 1600 TiWorker.exe Token: SeSecurityPrivilege 1600 TiWorker.exe Token: SeBackupPrivilege 1600 TiWorker.exe Token: SeRestorePrivilege 1600 TiWorker.exe Token: SeSecurityPrivilege 1600 TiWorker.exe Token: SeBackupPrivilege 1600 TiWorker.exe Token: SeRestorePrivilege 1600 TiWorker.exe Token: SeSecurityPrivilege 1600 TiWorker.exe Token: SeBackupPrivilege 1600 TiWorker.exe Token: SeRestorePrivilege 1600 TiWorker.exe Token: SeSecurityPrivilege 1600 TiWorker.exe Token: SeBackupPrivilege 1600 TiWorker.exe Token: SeRestorePrivilege 1600 TiWorker.exe -
Suspicious use of WriteProcessMemoryWerFault.exe
Reported IOCs
description pid process target process PID 1744 wrote to memory of 1212 1744 WerFault.exe 32057fad31bfb5015fc818847d245cd144a3c8166ae377cc4143ee5795ac06e5.exe PID 1744 wrote to memory of 1212 1744 WerFault.exe 32057fad31bfb5015fc818847d245cd144a3c8166ae377cc4143ee5795ac06e5.exe
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C:\Users\Admin\AppData\Local\Temp\32057fad31bfb5015fc818847d245cd144a3c8166ae377cc4143ee5795ac06e5.exe"C:\Users\Admin\AppData\Local\Temp\32057fad31bfb5015fc818847d245cd144a3c8166ae377cc4143ee5795ac06e5.exe"
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1212 -s 1040Program crashChecks processor information in registryEnumerates system info in registrySuspicious behavior: EnumeratesProcessesSuspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1212 -ip 1212Suspicious use of NtCreateProcessExOtherParentProcessSuspicious use of WriteProcessMemory
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wuauservDrops file in Windows directorySuspicious use of AdjustPrivilegeToken
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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 -EmbeddingDrops file in Windows directorySuspicious use of AdjustPrivilegeToken
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memory/1212-133-0x00000000020D0000-0x000000000214B000-memory.dmp
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memory/1212-135-0x0000000000400000-0x00000000004D8000-memory.dmp
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memory/1212-134-0x00000000021C0000-0x0000000002295000-memory.dmp
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memory/1952-136-0x0000011E2BC20000-0x0000011E2BC30000-memory.dmp
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memory/1952-137-0x0000011E2BC80000-0x0000011E2BC90000-memory.dmp
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memory/1952-138-0x0000011E2E330000-0x0000011E2E334000-memory.dmp