Static task
static1
Behavioral task
behavioral1
Sample
CheckNetIsolation.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
CheckNetIsolation.exe
Resource
win10v2004-20230703-en
General
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Target
CheckNetIsolation.exe
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Size
28KB
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MD5
d10c9b005f33bf144a26a18ef0d73213
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SHA1
77a2d770c1ca10a1e01db8e83d067a729e22e90c
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SHA256
67bc058c8ea0b7fd21c412efc0d2eecc4afb67cf5bdc5981a8212e1af8fdf49e
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SHA512
c152df850c66d9018f8310e44fa989145317e80374bb33ec9a008d96f9931a2eb9ce3ff502b54cca0e3c2d381739bb316c30fe84630bec7bf2db7db3c2209e75
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SSDEEP
384:JumhBXqAPA+fPt1NTSNq5XbdnGWEBFg1tf1qaaUeQVtdtNtqObOW77pOWM:PhB6A4+t1PmHBFg1ia4QJ3tLbr7p8
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource CheckNetIsolation.exe
Files
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CheckNetIsolation.exe.exe windows x64
e437a3a0162600ce23b282a0dfa53d7b
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
msvcrt
_exit
_cexit
__set_app_type
__wgetmainargs
_amsg_exit
_XcptFilter
__setusermatherr
fprintf
_initterm
_wsetlocale
swprintf_s
towupper
__C_specific_handler
_fmode
_commode
?terminate@@YAXXZ
wprintf
__iob_func
exit
memset
ntdll
RtlLookupFunctionEntry
RtlCaptureContext
RtlIpv6AddressToStringW
RtlVirtualUnwind
RtlIsParentOfChildAppContainer
RtlFreeSid
RtlEqualSid
EtwTraceMessage
RtlIpv4AddressToStringW
api-ms-win-security-sddl-l1-1-0
ConvertSidToStringSidW
ConvertStringSidToSidW
api-ms-win-core-errorhandling-l1-1-0
SetUnhandledExceptionFilter
GetLastError
UnhandledExceptionFilter
api-ms-win-core-heap-l2-1-0
LocalFree
api-ms-win-core-string-obsolete-l1-1-0
lstrcmpiW
api-ms-win-core-console-l1-1-0
GetConsoleOutputCP
SetConsoleCtrlHandler
ws2_32
htonl
api-ms-win-core-synch-l1-1-0
WaitForSingleObjectEx
SetEvent
ReleaseSRWLockExclusive
CreateEventW
AcquireSRWLockExclusive
api-ms-win-core-handle-l1-1-0
CloseHandle
api-ms-win-core-synch-l1-2-0
Sleep
WakeAllConditionVariable
SleepConditionVariableSRW
api-ms-win-core-libraryloader-l1-2-0
GetModuleHandleW
LoadStringW
api-ms-win-core-profile-l1-1-0
QueryPerformanceCounter
api-ms-win-core-processthreads-l1-1-0
TerminateProcess
GetCurrentProcess
GetCurrentThreadId
GetCurrentProcessId
api-ms-win-core-sysinfo-l1-1-0
GetSystemTimeAsFileTime
GetTickCount
fwpuclnt
FwpmEngineSetOption0
FwpmNetEventSubscribe4
FwpmEngineOpen0
FwpmFreeMemory0
FwpmNetEventUnsubscribe0
FwpmEngineClose0
FwpmProviderAdd0
FwpmFilterAdd0
FwpmEngineGetOption0
firewallapi
NetworkIsolationEnumAppContainers
NetworkIsolationGetAppContainerConfig
NetworkIsolationSetAppContainerConfig
FwEmptyWFAddresses
api-ms-win-core-delayload-l1-1-1
ResolveDelayLoadedAPI
api-ms-win-core-delayload-l1-1-0
DelayLoadFailureHook
Sections
.text Size: 14KB - Virtual size: 13KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 8KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 1024B - Virtual size: 684B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.didat Size: 512B - Virtual size: 152B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 108B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ