DllRegisterServer
Static task
static1
Behavioral task
behavioral1
Sample
muuopzfn.dll
Resource
win7-20220812-en
General
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Target
muuopzfn.dll
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Size
421KB
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MD5
c59c67fe5908c2cf67d2a7baf548d317
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SHA1
799f21200be5b863b2e0111185e6b1e11ddddfbd
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SHA256
0f0ee6558b84cbf678049bc076475122e93b1a0e07eef6bf1a4cd1daaf946f22
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SHA512
f6c792404a3cc0f9944da792f2ac3d27052ca721192c675c2512045ed61904cc22dfc32d2d322418d6c9d90a5e7cde6c7c047b8f12a547ca84d3c341afce57df
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SSDEEP
12288:Pkpde329VEdv++607q6YP4uo7N9BIegv8JowUShUPw:Pudy29ChzEopQ0Uw
Malware Config
Signatures
Files
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muuopzfn.dll.dll regsvr32 windows x86
0ee02506e28d6ab342866f0848f25556
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
TryEnterCriticalSection
WaitNamedPipeA
CreateNamedPipeA
EnterCriticalSection
DeleteFiber
LockFile
LeaveCriticalSection
InitializeCriticalSection
GetCurrentDirectoryA
SwitchToFiber
CreateFileA
DeleteFileA
CloseHandle
GetProcAddress
DeleteCriticalSection
GetFileType
CreateFiber
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
WriteFile
GetLastError
WideCharToMultiByte
GetConsoleCP
GetConsoleMode
SetStdHandle
IsDebuggerPresent
MultiByteToWideChar
SetLastError
SetFilePointerEx
WriteConsoleW
HeapAlloc
HeapFree
GetModuleHandleW
InitializeCriticalSectionAndSpinCount
TlsGetValue
TlsSetValue
FreeLibrary
LoadLibraryExW
LCMapStringW
GetACP
IsValidCodePage
GetOEMCP
GetCPInfo
CreateFileW
GetStringTypeW
ExitProcess
GetModuleHandleExW
FlushFileBuffers
RtlUnwind
Exports
Exports
Sections
.text Size: 70KB - Virtual size: 70KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 222KB - Virtual size: 221KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 121KB - Virtual size: 122KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.gfids Size: 512B - Virtual size: 24B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 512B - Virtual size: 480B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 5KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ