OperaDllMain
Static task
static1
Behavioral task
behavioral1
Sample
SZBrowser.dll
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
SZBrowser.dll
Resource
win10v2004-20240412-en
General
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Target
SZBrowser.dll
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Size
102KB
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MD5
9519b2eb48b26c34bf25d04b3c027133
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SHA1
6b9d85cc2ea6a1dbd3fcdc9c10a51efa385f9333
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SHA256
4eb91d854792d3514edf84005a7b87b2ac60c5ebb55561fde356e9d9e62a9312
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SHA512
7ab383d5a53bf009cde32a47ab8cba59f8ba1cc10949b269f642a13a71a808cc8a1372681ad712eb6a9d8575434096cc91f640f1a99475f97d8965232fd175a8
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SSDEEP
1536:5x1o+4wy/wY5KqcZs6T5rDlbRpaRVQmObjDEXwyk+lcmT6vMBDcLofsWjcdlTDz8:Bo+Ryz5Kpsg53QDk+l3EvdDzbQ
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource SZBrowser.dll
Files
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SZBrowser.dll.dll windows:6 windows x86 arch:x86
b02ce902c11bea7c4a243014666f687e
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL
Imports
kernel32
GetProcAddress
GetCommandLineA
GetCurrentThreadId
IsDebuggerPresent
IsProcessorFeaturePresent
GetLastError
SetLastError
EncodePointer
DecodePointer
ExitProcess
GetModuleHandleExW
MultiByteToWideChar
WideCharToMultiByte
GetProcessHeap
GetStdHandle
GetFileType
DeleteCriticalSection
GetStartupInfoW
GetModuleFileNameA
HeapFree
QueryPerformanceCounter
GetCurrentProcessId
GetSystemTimeAsFileTime
GetEnvironmentStringsW
FreeEnvironmentStringsW
UnhandledExceptionFilter
SetUnhandledExceptionFilter
InitializeCriticalSectionAndSpinCount
Sleep
GetCurrentProcess
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetModuleHandleW
HeapAlloc
RaiseException
EnterCriticalSection
LeaveCriticalSection
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
WriteFile
GetModuleFileNameW
LoadLibraryExW
RtlUnwind
HeapReAlloc
GetStringTypeW
OutputDebugStringW
HeapSize
LCMapStringW
FlushFileBuffers
GetConsoleCP
GetConsoleMode
SetStdHandle
SetFilePointerEx
WriteConsoleW
CloseHandle
CreateFileW
Exports
Exports
Sections
.text Size: 72KB - Virtual size: 72KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 20KB - Virtual size: 20KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ