Start
Static task
static1
Behavioral task
behavioral1
Sample
serv3.dll
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
serv3.dll
Resource
win10v2004-20230915-en
General
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Target
serv3.dll
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Size
384KB
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MD5
98fdfc50d9296cfd2b281a2ba9b284d2
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SHA1
a511b63376365990f260b9c9fe4d7710d408e871
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SHA256
e0c747973acb02445cb036a06515f95defa9b41f214909053102758a845f4496
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SHA512
d250e91a3e04c947552d2278ae66662daf216f63544192dce9866679610b84ddc1d7c00b4f70ce4079ebcd4a576f86ab92599e0d7e8e8f68c953272c51747421
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SSDEEP
6144:Nlke0sTJngl5neTrVKZtSwez3PxTIgaGO8ORf+qM1/l:NlDWoEPe7kf+hl
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource serv3.dll
Files
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serv3.dll.dll windows:6 windows x64
529451b2443235e865682d212b676a82
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL
Imports
shell32
ShellExecuteA
kernel32
IsDebuggerPresent
EncodePointer
DecodePointer
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
WideCharToMultiByte
MultiByteToWideChar
GetStringTypeW
GetLastError
HeapFree
GetCommandLineA
GetCurrentThreadId
RtlPcToFileHeader
RaiseException
RtlLookupFunctionEntry
RtlUnwindEx
HeapAlloc
GetCPInfo
IsProcessorFeaturePresent
RtlCaptureContext
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
SetLastError
InitializeCriticalSectionAndSpinCount
Sleep
GetCurrentProcess
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetStartupInfoW
GetModuleHandleW
GetProcAddress
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetStdHandle
GetFileType
GetProcessHeap
ExitProcess
GetModuleHandleExW
AreFileApisANSI
ReadFile
SetFilePointerEx
FlushFileBuffers
WriteFile
GetConsoleCP
GetConsoleMode
DeleteFileW
HeapSize
CloseHandle
GetModuleFileNameA
QueryPerformanceCounter
GetCurrentProcessId
GetSystemTimeAsFileTime
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetModuleFileNameW
GetACP
IsValidCodePage
GetOEMCP
HeapReAlloc
LoadLibraryExW
ReadConsoleW
SetStdHandle
WriteConsoleW
OutputDebugStringW
CreateFileW
SetEndOfFile
Exports
Exports
Sections
.text Size: 111KB - Virtual size: 110KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 50KB - Virtual size: 50KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 213KB - Virtual size: 223KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 6KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ