2026-09-27_738796d83fa4c70266d1b47141ecef66_icedid_njrat_ryuk

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General

Target
2026-09-27_738796d83fa4c70266d1b47141ecef66_icedid_njrat_ryuk
Size 5.9MB
Sample260928-e9c8favdpb
SHA256 b48ef351bc33821ad63866094204e2a7521985bf1e81e57d2861b7e9b94102ec
MD5 738796d83fa4c70266d1b47141ecef66
SHA1 cd18c2c37af7463ec949642ce7ac805886c67900
SHA512 cf306b2800466c47b1829d9fc9063e8a52a12b652e5dab55a0595e7f7033d9d7296d4e0b12f7df50c8c14741f562243c849f90c37b3961d593b04bc4dfe2712a
SSDEEP 98304:7ax0UDgc1IUHfV7EnjWWApBZa8wSyp/YbJzl8:78dg/kZMf/Ex
TLSH
T157569D03E96800D5E259C335CF6AE233DA653C1D47F422DF35A476E22A739D0B639B26
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2026-09-27_738796d83fa4c70266d1b47141ecef66_icedid_njrat_ryuk

File Explorer

2026-09-27_738796d83fa4c70266d1b47141ecef66_icedid_njrat_ryuk

.exe 5.9MB

2026-09-27_738796d83fa4c70266d1b47141ecef66_icedid_njrat_ryuk

IMPHASH dc92a463bdf5369edce2648372f13ca4
SHA256 b48ef351bc33821ad63866094204e2a7521985bf1e81e57d2861b7e9b94102ec
MD5 738796d83fa4c70266d1b47141ecef66
SHA1 cd18c2c37af7463ec949642ce7ac805886c67900
SHA512 cf306b2800466c47b1829d9fc9063e8a52a12b652e5dab55a0595e7f7033d9d7296d4e0b12f7df50c8c14741f562243c849f90c37b3961d593b04bc4dfe2712a
SSDEEP 98304:7ax0UDgc1IUHfV7EnjWWApBZa8wSyp/YbJzl8:78dg/kZMf/Ex
TLSH
T157569D03E96800D5E259C335CF6AE233DA653C1D47F422DF35A476E22A739D0B639B26
MD5 SHA1 SHA512 SSDEEP TLSH

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

2129744

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB paths

Maxthon.exe.pdb

chrome_elf

GetInstallDetailsPayload IsBrowserProcess IsExtensionPointDisableSet SignalChromeElf SignalInitializeCrashReporting

kernel32

AcquireSRWLockExclusive AddVectoredExceptionHandler AreFileApisANSI CloseHandle CompareStringW ConnectNamedPipe CreateDirectoryW CreateEventW CreateFileA CreateFileMappingW CreateFileW CreateIoCompletionPort CreateJobObjectW CreateMutexW CreateNamedPipeW CreateProcessW CreateRemoteThread CreateSemaphoreW CreateThread CreateToolhelp32Snapshot DebugBreak DecodePointer DeleteCriticalSection DeleteFileA DeleteFileW DeleteProcThreadAttributeList DisconnectNamedPipe DuplicateHandle EncodePointer EnterCriticalSection EnumSystemLocalesEx EnumSystemLocalesW ExitProcess ExpandEnvironmentStringsW FileTimeToSystemTime FindClose FindFirstFileExW FindNextFileW FlsAlloc FlsFree FlsGetValue FlsSetValue FlushFileBuffers FlushViewOfFile FormatMessageA FormatMessageW FreeEnvironmentStringsW FreeLibrary GetACP GetCPInfo GetCommandLineA GetCommandLineW GetComputerNameExW GetConsoleMode GetConsoleOutputCP GetCurrentDirectoryW GetCurrentProcess GetCurrentProcessId GetCurrentProcessorNumber GetCurrentThread GetCurrentThreadId GetDateFormatW GetDiskFreeSpaceA GetDiskFreeSpaceW GetDriveTypeW GetEnvironmentStringsW GetEnvironmentVariableW GetExitCodeProcess GetFileAttributesA GetFileAttributesExW GetFileAttributesW GetFileInformationByHandle GetFileInformationByHandleEx GetFileSize GetFileSizeEx GetFileTime GetFileType GetFullPathNameA GetFullPathNameW GetLastError GetLocalTime GetLocaleInfoW GetLogicalProcessorInformation GetLongPathNameW GetModuleFileNameW GetModuleHandleA GetModuleHandleExW GetModuleHandleW GetNativeSystemInfo GetOEMCP GetProcAddress GetProcessHandleCount GetProcessHeap GetProcessHeaps GetProcessId GetProcessMitigationPolicy GetProcessTimes GetProductInfo GetQueuedCompletionStatus GetStartupInfoW GetStdHandle GetStringTypeW GetSystemDefaultLCID GetSystemDirectoryW GetSystemInfo GetSystemTime GetSystemTimeAsFileTime GetSystemTimePreciseAsFileTime GetTempPathA GetTempPathW GetThreadContext GetThreadId GetThreadLocale GetThreadPriority GetTickCount GetTimeFormatW GetTimeZoneInformation GetUserDefaultLCID GetUserDefaultLangID GetUserDefaultLocaleName GetVersionExW GetWindowsDirectoryW GlobalMemoryStatusEx HeapAlloc HeapCompact HeapCreate HeapDestroy HeapFree HeapReAlloc HeapSetInformation HeapSize HeapValidate InitOnceExecuteOnce InitializeConditionVariable InitializeCriticalSection InitializeCriticalSectionAndSpinCount InitializeCriticalSectionEx InitializeProcThreadAttributeList InitializeSListHead InitializeSRWLock IsDebuggerPresent IsProcessorFeaturePresent IsValidCodePage IsValidLocale IsWow64Process K32GetModuleFileNameExW K32GetModuleInformation K32GetPerformanceInfo K32GetProcessMemoryInfo LCMapStringW LeaveCriticalSection LoadLibraryExA LoadLibraryExW LoadLibraryW LocalFree LockFile LockFileEx MapViewOfFile MoveFileW MultiByteToWideChar OpenProcess OutputDebugStringA OutputDebugStringW PeekNamedPipe PostQueuedCompletionStatus PrefetchVirtualMemory Process32FirstW Process32NextW QueryInformationJobObject QueryPerformanceCounter QueryPerformanceFrequency QueryThreadCycleTime RaiseException ReadConsoleW ReadFile ReadProcessMemory RegisterWaitForSingleObject ReleaseMutex ReleaseSRWLockExclusive ReleaseSemaphore RemoveDirectoryW RemoveVectoredExceptionHandler ReplaceFileW ResetEvent ResumeThread RtlCaptureContext RtlCaptureStackBackTrace RtlLookupFunctionEntry RtlPcToFileHeader RtlUnwind RtlUnwindEx RtlVirtualUnwind SetConsoleCtrlHandler SetCurrentDirectoryW SetDefaultDllDirectories SetEndOfFile SetEnvironmentVariableW SetEvent SetFileAttributesW SetFilePointer SetFilePointerEx SetHandleInformation SetInformationJobObject SetLastError SetNamedPipeHandleState SetProcessMitigationPolicy SetProcessShutdownParameters SetStdHandle SetThreadAffinityMask SetThreadInformation SetThreadPriority SetUnhandledExceptionFilter Sleep SleepConditionVariableSRW SleepEx SuspendThread SwitchToThread SystemTimeToFileTime SystemTimeToTzSpecificLocalTime TerminateJobObject TerminateProcess TlsAlloc TlsFree TlsGetValue TlsSetValue TransactNamedPipe TryAcquireSRWLockExclusive TzSpecificLocalTimeToSystemTime UnhandledExceptionFilter UnlockFile UnlockFileEx UnmapViewOfFile UnregisterWaitEx UpdateProcThreadAttribute VerSetConditionMask VerifyVersionInfoW VirtualAlloc VirtualAllocEx VirtualFree VirtualFreeEx VirtualProtect VirtualProtectEx VirtualQuery VirtualQueryEx WaitForMultipleObjects WaitForSingleObject WaitForSingleObjectEx WaitNamedPipeW WakeAllConditionVariable WakeConditionVariable WideCharToMultiByte Wow64GetThreadContext WriteConsoleW WriteFile WriteProcessMemory

ntdll

NtClose NtOpenKeyEx NtQueryInformationProcess NtQueryValueKey RtlFormatCurrentUserKeyPath RtlFreeUnicodeString RtlInitUnicodeString

version

GetFileVersionInfoSizeW GetFileVersionInfoW VerQueryValueW

Name

.text

Size

3.1MB

Virtual Size

3.1MB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

424KB

Virtual Size

424KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

65KB

Virtual Size

133KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

70KB

Virtual Size

69KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.fptable

Size

512B

Virtual Size

256B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.tls

Size

1024B

Virtual Size

625B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

CPADinfo

Size

512B

Virtual Size

56B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

LZMADEC

Size

4KB

Virtual Size

4KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

_RDATA

Size

512B

Virtual Size

500B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

malloc_h

Size

2KB

Virtual Size

1KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rsrc

Size

1.0MB

Virtual Size

1.0MB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.rsrc

Size

1.3MB

Virtual Size

1.3MB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

File Explorer

2026-09-27_738796d83fa4c70266d1b47141ecef66_icedid_njrat_ryuk

chrome_elf

kernel32

ntdll

version

generic