Static task
static1
Behavioral task
behavioral1
Sample
irisa.exe
Resource
win10-20230621-en
General
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Target
irisa.exe
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Size
2.4MB
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MD5
7c76a356ab9eaa5fd488f47254bd0813
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SHA1
94699162032b5f41acea54042559592a91be990a
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SHA256
622c068c16ecd9a447bb599d063af37f5d7c6db90f45d024af41be76e3c29997
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SHA512
8b6f5fc725a408161b1168a57d1e6a7f8bf167a2c5f34e210e999a5b4fc0974c37de5821a5375f057bbd1de57c7fadd932f022c36c14372f9194701f773e2f5a
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SSDEEP
24576:3fEBe8T02PDNSkywdUf3DsrOQMpmOcfx2kAMjBd6Gvwz8DUk:0BzdaRpVMjhvyk
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource irisa.exe
Files
-
irisa.exe.exe windows x86
c843070d0647a0de2aec007cdc8284b9
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
Sleep
FreeConsole
SetStdHandle
FormatMessageA
WideCharToMultiByte
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
LocalFree
EncodePointer
DecodePointer
MultiByteToWideChar
LCMapStringEx
GetLocaleInfoEx
GetStringTypeW
CompareStringEx
GetCPInfo
CloseHandle
InitializeCriticalSectionAndSpinCount
SetEvent
ResetEvent
WaitForSingleObjectEx
CreateEventW
GetModuleHandleW
GetProcAddress
GetCurrentThreadId
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
RaiseException
QueryPerformanceCounter
GetCurrentProcessId
GetSystemTimeAsFileTime
InitializeSListHead
GetLastError
HeapAlloc
HeapFree
GetProcessHeap
VirtualQuery
FreeLibrary
RtlUnwind
InterlockedPushEntrySList
InterlockedFlushSList
GetModuleFileNameW
LoadLibraryExW
SetLastError
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
HeapValidate
GetSystemInfo
GetModuleHandleExW
GetStdHandle
WriteFile
ExitProcess
GetCurrentThread
GetFileType
HeapReAlloc
HeapSize
HeapQueryInformation
OutputDebugStringW
WriteConsoleW
SetConsoleCtrlHandler
GetTempPathW
GetDateFormatW
GetTimeFormatW
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
ReadFile
GetFileSizeEx
SetFilePointerEx
ReadConsoleW
GetTimeZoneInformation
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
CreateFileW
Sections
.textbss Size: - Virtual size: 846KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.text Size: 1.8MB - Virtual size: 1.8MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 236KB - Virtual size: 236KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 342KB - Virtual size: 360KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.msvcjmc Size: 512B - Virtual size: 427B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: 1024B - Virtual size: 777B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.00cfg Size: 512B - Virtual size: 265B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 49KB - Virtual size: 48KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ