Static task
static1
Behavioral task
behavioral1
Sample
wmi-net-util.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
wmi-net-util.exe
Resource
win10v2004-20230221-en
General
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Target
wmi-net-util.exe
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Size
2.7MB
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MD5
ab30588e72f6842e31975c6fd6778765
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SHA1
55bfda379268e914852cb5981e517f7da1c80f8d
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SHA256
57898f4528664ad9533d598edbb0fef1194d41b981e1be21a9f32a1d68d0ae38
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SHA512
631c6b56bb9b831c7b5db48031f569d7166951e051f2b26411b71d230dff9d8159f7cd2b2a54f3651d566259dcecc3e41d8c31d437a57972cb5fefbe3747a3c4
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SSDEEP
49152:w25Db8YHTcK3Sak7Cu12SFvPWxbD+5u3:w25Db8YHTc0mPMK
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource wmi-net-util.exe
Files
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wmi-net-util.exe.exe windows x86
0d6b2433b9af4c1382ad94472120d6be
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Imports
winmm
timeBeginPeriod
ws2_32
WSAGetOverlappedResult
ntdll
NtWaitForSingleObject
advapi32
CryptReleaseContext
CryptGenRandom
CryptAcquireContextW
kernel32
WriteFile
WriteConsoleW
WaitForSingleObject
VirtualFree
VirtualAlloc
SwitchToThread
SuspendThread
SetWaitableTimer
SetUnhandledExceptionFilter
SetThreadPriority
SetProcessPriorityBoost
SetEvent
SetErrorMode
SetConsoleCtrlHandler
ResumeThread
LoadLibraryA
LoadLibraryW
GetThreadContext
GetSystemInfo
GetStdHandle
GetQueuedCompletionStatus
GetProcessAffinityMask
GetProcAddress
GetEnvironmentStringsW
GetConsoleMode
FreeEnvironmentStringsW
ExitProcess
DuplicateHandle
CreateWaitableTimerA
CreateThread
CreateEventA
CloseHandle
AddVectoredExceptionHandler
Sections
.text Size: 1.6MB - Virtual size: 1.6MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 74KB - Virtual size: 156KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
/4 Size: 512B - Virtual size: 255B
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/18 Size: 121KB - Virtual size: 121KB
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/30 Size: 87KB - Virtual size: 86KB
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/43 Size: 125KB - Virtual size: 124KB
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/59 Size: 50KB - Virtual size: 49KB
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/75 Size: 512B - Virtual size: 32B
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/90 Size: 390KB - Virtual size: 390KB
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.idata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.symtab Size: 185KB - Virtual size: 185KB
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ