2026-05-07_c57a76c9e72ff965dab21061c387c5d7_icedid_njrat_ryuk

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General

Target
2026-05-07_c57a76c9e72ff965dab21061c387c5d7_icedid_njrat_ryuk
Size 2.0MB
Sample260507-e647raa12r
SHA256 6b8528524b08b06f07285a181f5b4cbabf086f5676af1c04b8911be5221c80a2
MD5 c57a76c9e72ff965dab21061c387c5d7
SHA1 eee18fd908ec69336f7f818dd1f25f74b98c9773
SHA512 bd79c0c9467744c47a952544c21509c2142c0cd905735b7181133d4a9f8fcc076ac06698a0f67903075c5f764396af5799db111a76e7662690e8a65695a73f8c
SSDEEP 24576:hbvBKtBjqxGTafvs2SpKr1Ug6vDSUdbYerOD3RDC+8H4tmGV1Tz0omSbgVx9bR:L0BjqGTafcvWUboBW+8HpiflmSbS7bR
TLSH
T14FA59D03F2E940E8E0BAD57487669632EA72BC464F34A6DF064072951E77FE05B3D722
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2026-05-07_c57a76c9e72ff965dab21061c387c5d7_icedid_njrat_ryuk

File Explorer

2026-05-07_c57a76c9e72ff965dab21061c387c5d7_icedid_njrat_ryuk

.exe 2.0MB

2026-05-07_c57a76c9e72ff965dab21061c387c5d7_icedid_njrat_ryuk

IMPHASH 244221361f00795ca74f04b2779490c3
SHA256 6b8528524b08b06f07285a181f5b4cbabf086f5676af1c04b8911be5221c80a2
MD5 c57a76c9e72ff965dab21061c387c5d7
SHA1 eee18fd908ec69336f7f818dd1f25f74b98c9773
SHA512 bd79c0c9467744c47a952544c21509c2142c0cd905735b7181133d4a9f8fcc076ac06698a0f67903075c5f764396af5799db111a76e7662690e8a65695a73f8c
SSDEEP 24576:hbvBKtBjqxGTafvs2SpKr1Ug6vDSUdbYerOD3RDC+8H4tmGV1Tz0omSbgVx9bR:L0BjqGTafcvWUboBW+8HpiflmSbS7bR
TLSH
T14FA59D03F2E940E8E0BAD57487669632EA72BC464F34A6DF064072951E77FE05B3D722
MD5 SHA1 SHA512 SSDEEP TLSH

windows:10 windows x64 arch:x64

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

942896

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_GUARD_CF IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB paths

os_update_handler.exe.pdb

advapi32

BuildExplicitAccessWithNameW BuildSecurityDescriptorW BuildTrusteeWithSidW CheckTokenMembership ConvertStringSecurityDescriptorToSecurityDescriptorW ConvertStringSidToSidW GetLengthSid GetNamedSecurityInfoW GetSecurityDescriptorControl GetSecurityDescriptorDacl GetSecurityDescriptorGroup GetSecurityDescriptorOwner GetSecurityDescriptorSacl GetTokenInformation IsValidAcl IsValidSecurityDescriptor IsValidSid RegCloseKey RegCreateKeyExW RegDeleteKeyExW RegEnumKeyExW RegOpenKeyExW RegQueryValueExW SetEntriesInAclW SetNamedSecurityInfoW SetSecurityInfo

dbghelp

SymCleanup SymFromAddr SymGetLineFromAddr64 SymGetSearchPathW SymInitialize SymSetOptions SymSetSearchPathW

oleaut32

SysFreeString

shell32

CommandLineToArgvW SHGetFolderPathW SHGetKnownFolderPath

user32

DispatchMessageW GetMessageW PostThreadMessageW TranslateMessage

version

GetFileVersionInfoSizeW GetFileVersionInfoW VerQueryValueW

winmm

timeBeginPeriod timeEndPeriod timeGetTime

kernel32

AcquireSRWLockExclusive AddVectoredExceptionHandler AllocConsole AttachConsole CloseHandle CompareStringW CreateDirectoryW CreateEventW CreateFileW CreateNamedPipeW CreateProcessW CreateThread DeleteCriticalSection DeleteFileW DuplicateHandle EncodePointer EnterCriticalSection EnumSystemLocalesW ExitProcess ExpandEnvironmentStringsW FileTimeToSystemTime FindClose FindFirstFileExW FindNextFileW FlsAlloc FlsFree FlsGetValue FlsSetValue FlushFileBuffers FormatMessageW FreeEnvironmentStringsW FreeLibrary GetACP GetCPInfo GetCommandLineA GetCommandLineW GetComputerNameExW GetConsoleMode GetConsoleOutputCP GetCurrentDirectoryW GetCurrentProcess GetCurrentProcessId GetCurrentThread GetCurrentThreadId GetDateFormatW GetDriveTypeW GetEnvironmentStringsW GetEnvironmentVariableW GetFileAttributesW GetFileInformationByHandle GetFileSizeEx GetFileTime GetFileType GetFullPathNameW GetLastError GetLocalTime GetLocaleInfoW GetLongPathNameW GetModuleFileNameW GetModuleHandleA GetModuleHandleExW GetModuleHandleW GetNativeSystemInfo GetOEMCP GetProcAddress GetProcessHeap GetProductInfo GetStartupInfoW GetStdHandle GetStringTypeW GetSystemDirectoryW GetSystemInfo GetSystemTimeAsFileTime GetSystemTimePreciseAsFileTime GetTempPathW GetThreadId GetThreadPriority GetTickCount GetTimeFormatW GetTimeZoneInformation GetUserDefaultLCID GetUserDefaultLangID GetVersionExW GetWindowsDirectoryW GlobalMemoryStatusEx InitOnceExecuteOnce InitializeCriticalSection InitializeCriticalSectionAndSpinCount InitializeCriticalSectionEx InitializeSListHead InterlockedPushEntrySList IsDebuggerPresent IsProcessorFeaturePresent IsValidCodePage IsValidLocale IsWow64Process K32GetModuleInformation LCMapStringW LeaveCriticalSection LoadLibraryExA LoadLibraryExW LoadLibraryW LocalFree LockFileEx MultiByteToWideChar OpenProcess OutputDebugStringA OutputDebugStringW PeekNamedPipe QueryPerformanceCounter QueryPerformanceFrequency QueryThreadCycleTime RaiseException ReadConsoleW ReadFile ReleaseSRWLockExclusive RemoveDirectoryW RemoveVectoredExceptionHandler RtlCaptureContext RtlCaptureStackBackTrace RtlLookupFunctionEntry RtlPcToFileHeader RtlUnwind RtlUnwindEx RtlVirtualUnwind SetConsoleCtrlHandler SetEndOfFile SetEnvironmentVariableW SetEvent SetFilePointerEx SetLastError SetNamedPipeHandleState SetStdHandle SetThreadInformation SetThreadPriority SetUnhandledExceptionFilter Sleep SleepConditionVariableSRW SleepEx SwitchToThread SystemTimeToTzSpecificLocalTime TerminateProcess TlsAlloc TlsFree TlsGetValue TlsSetValue TransactNamedPipe TryAcquireSRWLockExclusive UnhandledExceptionFilter UnlockFileEx UnregisterWaitEx VerSetConditionMask VerifyVersionInfoW VirtualAlloc VirtualFree VirtualProtect VirtualQuery WaitForSingleObject WaitNamedPipeW WakeAllConditionVariable WakeConditionVariable WerRegisterRuntimeExceptionModule WideCharToMultiByte WriteConsoleW WriteFile lstrcmpiW

ole32

CoCreateInstance CoInitializeEx CoRegisterInitializeSpy CoRevokeInitializeSpy CoTaskMemFree CoUninitialize StringFromGUID2

ntdll

NtClose NtDeleteKey NtOpenKeyEx NtQueryValueKey RtlFormatCurrentUserKeyPath RtlFreeUnicodeString RtlInitUnicodeString

api-ms-win-core-winrt-l1-1-0

RoUninitialize

Name

.text

Size

1.4MB

Virtual Size

1.4MB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

218KB

Virtual Size

217KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

60KB

Virtual Size

130KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

47KB

Virtual Size

46KB

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

545B

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

.rsrc

Size

132KB

Virtual Size

131KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

7KB

Virtual Size

6KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

2026-05-07_c57a76c9e72ff965dab21061c387c5d7_icedid_njrat_ryuk

advapi32

dbghelp

oleaut32

shell32

user32

version

winmm

kernel32

ole32

ntdll

api-ms-win-core-winrt-l1-1-0

generic