Static task
static1
Behavioral task
behavioral1
Sample
OperaSetup.exe
Resource
win7-20240704-en
General
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Target
OperaSetup.exe
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Size
2.0MB
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MD5
46d9a32ef057a3d92b1bd50603dcd71d
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SHA1
7d49c59c40e55508bbdfac1ce9092853616e36ad
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SHA256
6e5d09ba6174e6307630fbc0043e668ac7229f84d8f04c5a8decbcc2728f0aaa
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SHA512
e5c9cc90e60c74080220c1a2b4be9b484d29600c2b201b3d0d0d2e878bf260594723ff32a0f4f1cb87826e71e953445129d7ec97beb0443f1143c32055a71705
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SSDEEP
49152:kNEyYcQ78Kpjjxv6htWn1iTl0egZ3s0OSZsnh7f3kHMqL:SEP784oysWj3s0GhYMqL
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource OperaSetup.exe
Files
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OperaSetup.exe.exe windows:6 windows x86 arch:x86
9750364181dc8bf29dffda7821dfdab9
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
VirtualFree
VirtualAlloc
GetVersion
IsProcessorFeaturePresent
GetSystemDirectoryW
GetProcAddress
GetModuleHandleW
LoadLibraryExW
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
ReleaseSemaphore
InitializeCriticalSection
WaitForSingleObject
CreateEventW
GetLastError
SetEvent
CloseHandle
ResetEvent
CreateSemaphoreW
MultiByteToWideChar
WideCharToMultiByte
FreeLibrary
GetModuleFileNameW
FormatMessageW
LocalFree
CreateFileW
SetFileTime
SetFileAttributesW
RemoveDirectoryW
CreateDirectoryW
DeleteFileW
SetLastError
SetCurrentDirectoryW
GetCurrentDirectoryW
GetTempPathW
GetTickCount
GetCurrentThreadId
GetCurrentProcessId
GetFileInformationByHandle
FindClose
FindFirstFileW
FindNextFileW
GetModuleHandleA
GetFileAttributesW
GetFileSize
SetFilePointer
ReadFile
WriteFile
SetEndOfFile
GetCurrentProcess
GetProcessAffinityMask
GetSystemInfo
GlobalMemoryStatus
GetStdHandle
Sleep
GetVersionExW
GetCommandLineW
CreateProcessW
GetExitCodeProcess
HeapSize
SetStdHandle
GetProcessHeap
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineA
GetOEMCP
GetACP
IsValidCodePage
FindFirstFileExW
ReadConsoleW
GetConsoleMode
GetConsoleOutputCP
FlushFileBuffers
SetFilePointerEx
GetFileSizeEx
GetFileType
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
WriteConsoleW
HeapAlloc
HeapFree
HeapReAlloc
ExitProcess
GetModuleHandleExW
FreeLibraryAndExitThread
ExitThread
CreateThread
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsDebuggerPresent
GetStartupInfoW
QueryPerformanceCounter
GetSystemTimeAsFileTime
InitializeSListHead
QueryPerformanceFrequency
InitializeCriticalSectionEx
EncodePointer
DecodePointer
LCMapStringEx
GetStringTypeW
GetCPInfo
RtlUnwind
RaiseException
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
user32
LoadIconW
EndDialog
KillTimer
SetTimer
PostMessageW
SendMessageW
SetWindowTextW
MessageBoxW
LoadStringW
DialogBoxParamW
GetDlgItem
GetWindowLongW
SetWindowLongW
ShowWindow
CharUpperW
DestroyWindow
shell32
ShellExecuteExW
oleaut32
VariantClear
SysAllocStringLen
SysStringLen
Sections
.text Size: 224KB - Virtual size: 224KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 57KB - Virtual size: 56KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 7KB - Virtual size: 18KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 32KB - Virtual size: 32KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ