CheckNetIsolation[.]exe

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General

Target

CheckNetIsolation.exe
Size

25KB
MD5

712f673acf999a475d49976cc0ade71e
SHA1

6dde339be65cc0c4d0176541cdd39e7a762a56f9
SHA256

91280c6a9dc0826c8e516ba2e76a5f1241a56891e0909188012cafe9e91f179e
SHA512

662380800ff3655507c5dc55c7d19cac49e8185b09bb9a01ee462f0020cc4f0a4c12dc383bf53b983cdcf269260b894d4c801346340df6524edbdfcaa0c4dccc
SSDEEP

384:Q+/aaOF5d/U9nexsC52KXLEbZ7RCmr43p+2DIxn7tdMgWL7pOWy31CD5AqjX:L/aQQYbmwsIx7tdMl7pC3M5Aq7

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
CheckNetIsolation.exe

Files

CheckNetIsolation.exe
.exe windows x86

8c4b70b06fd4e738845e670ca5e4f39b

Headers

DLL Characteristics

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_32BIT_MACHINE

Imports

msvcrt

?terminate@@YAXXZ
_controlfp
fprintf
_wsetlocale
_initterm
_except_handler4_common
__iob_func
__p__commode
__setusermatherr
__p__fmode
_amsg_exit
wprintf
_cexit
_exit
__wgetmainargs
exit
_XcptFilter
__set_app_type
swprintf_s
towupper
memset

ntdll

RtlIsParentOfChildAppContainer
RtlFreeSid
RtlEqualSid
EtwTraceMessage
RtlIpv4AddressToStringW
RtlIpv6AddressToStringW

api-ms-win-security-sddl-l1-1-0

ConvertStringSidToSidW
ConvertSidToStringSidW

api-ms-win-core-errorhandling-l1-1-0

SetUnhandledExceptionFilter
UnhandledExceptionFilter
GetLastError

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

ReleaseSRWLockExclusive
AcquireSRWLockExclusive
WaitForSingleObjectEx
SetEvent
CreateEventW

api-ms-win-core-handle-l1-1-0

CloseHandle

api-ms-win-core-synch-l1-2-0

SleepConditionVariableSRW
WakeAllConditionVariable
Sleep

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

GetCurrentThreadId
TerminateProcess
GetCurrentProcess
GetCurrentProcessId

api-ms-win-core-sysinfo-l1-1-0

GetTickCount
GetSystemTimeAsFileTime

fwpuclnt

FwpmNetEventSubscribe4
FwpmEngineOpen0
FwpmProviderAdd0
FwpmEngineClose0
FwpmEngineSetOption0
FwpmFreeMemory0
FwpmNetEventUnsubscribe0
FwpmEngineGetOption0
FwpmFilterAdd0

firewallapi

NetworkIsolationSetAppContainerConfig
NetworkIsolationGetAppContainerConfig
FwEmptyWFAddresses
NetworkIsolationEnumAppContainers

api-ms-win-core-delayload-l1-1-1

ResolveDelayLoadedAPI

api-ms-win-core-delayload-l1-1-0

DelayLoadFailureHook

Sections

.text
Size: 15KB - Virtual size: 15KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 76B

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: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

8c4b70b06fd4e738845e670ca5e4f39b

Headers

DLL Characteristics

File Characteristics

Imports

msvcrt

ntdll

api-ms-win-security-sddl-l1-1-0

api-ms-win-core-errorhandling-l1-1-0

api-ms-win-core-heap-l2-1-0

api-ms-win-core-string-obsolete-l1-1-0

api-ms-win-core-console-l1-1-0

ws2_32

api-ms-win-core-synch-l1-1-0

api-ms-win-core-handle-l1-1-0

api-ms-win-core-synch-l1-2-0

api-ms-win-core-libraryloader-l1-2-0

api-ms-win-core-profile-l1-1-0

api-ms-win-core-processthreads-l1-1-0

api-ms-win-core-sysinfo-l1-1-0

fwpuclnt

firewallapi

api-ms-win-core-delayload-l1-1-1

api-ms-win-core-delayload-l1-1-0

Sections

.text Size: 15KB - Virtual size: 15KB

.data Size: 512B - Virtual size: 1KB

.idata Size: 3KB - Virtual size: 3KB

.didat Size: 512B - Virtual size: 76B

.rsrc Size: 2KB - Virtual size: 2KB

.reloc Size: 2KB - Virtual size: 1KB

.text
Size: 15KB - Virtual size: 15KB

.data
Size: 512B - Virtual size: 1KB

.idata
Size: 3KB - Virtual size: 3KB

.didat
Size: 512B - Virtual size: 76B

.rsrc
Size: 2KB - Virtual size: 2KB

.reloc
Size: 2KB - Virtual size: 1KB