2026-08-08_d1c59f4258748c719351f8961f56eb8b_icedid_mespinoza_njrat_ryuk

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General

Target
2026-08-08_d1c59f4258748c719351f8961f56eb8b_icedid_mespinoza_njrat_ryuk
Size 58.0MB
Sample260808-c53lesydpb
SHA256 a7257ae8dbbdf6647b38a496d7a60ba73ffd5b9af447671e83224ae25d4a0d78
MD5 d1c59f4258748c719351f8961f56eb8b
SHA1 d6c6da1d0e4805c73fb7861f325d2bd1ab9a36ee
SHA512 75c6349ba967fad4998ae66e080b23f84072b1e255b4a76b917162400c940df4968f92aaac5606f38a6fba704aaf680fdbfe7c76f0570d84de1fb3f6f0dce2fc
SSDEEP 1572864:w/ZZwskMWti02wCask9yUZ9D92id0uoOzoAAC00O2NNX:wRZwskMWlRskNZJ99omrJ0Z2NZ
TLSH
T100D73319F210D2CCE116E0398B23867587917D464BB0E9CB04F273E41F36DD6AE7E6A6
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2026-08-08_d1c59f4258748c719351f8961f56eb8b_icedid_mespinoza_njrat_ryuk

File Explorer

2026-08-08_d1c59f4258748c719351f8961f56eb8b_icedid_mespinoza_njrat_ryuk

.exe 58.0MB

2026-08-08_d1c59f4258748c719351f8961f56eb8b_icedid_mespinoza_njrat_ryuk

IMPHASH 22b6a43af615b2cddcdbf670496566eb
SHA256 a7257ae8dbbdf6647b38a496d7a60ba73ffd5b9af447671e83224ae25d4a0d78
MD5 d1c59f4258748c719351f8961f56eb8b
SHA1 d6c6da1d0e4805c73fb7861f325d2bd1ab9a36ee
SHA512 75c6349ba967fad4998ae66e080b23f84072b1e255b4a76b917162400c940df4968f92aaac5606f38a6fba704aaf680fdbfe7c76f0570d84de1fb3f6f0dce2fc
SSDEEP 1572864:w/ZZwskMWti02wCask9yUZ9D92id0uoOzoAAC00O2NNX:wRZwskMWlRskNZJ99omrJ0Z2NZ
TLSH
T100D73319F210D2CCE116E0398B23867587917D464BB0E9CB04F273E41F36DD6AE7E6A6
MD5 SHA1 SHA512 SSDEEP TLSH

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

121776

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

browser-setup.arc.pdb

advapi32

ConvertSidToStringSidW ConvertStringSecurityDescriptorToSecurityDescriptorW GetTokenInformation OpenProcessToken SystemFunction036

kernel32

AcquireSRWLockExclusive CloseHandle CompareStringW CreateDirectoryW CreateFileW CreateMutexW CreateProcessW DeleteCriticalSection DeleteFileW DosDateTimeToFileTime DuplicateHandle EncodePointer EnterCriticalSection EnumResourceNamesW EnumSystemLocalesW ExitProcess ExpandEnvironmentStringsW FindClose FindFirstFileExW FindFirstFileW FindNextFileW FindResourceW FlsAlloc FlsFree FlsGetValue FlsSetValue FlushFileBuffers FreeEnvironmentStringsW FreeLibrary GetACP GetCPInfo GetCommandLineA GetCommandLineW GetConsoleMode GetConsoleOutputCP GetCurrentProcess GetCurrentProcessId GetCurrentThreadId GetDateFormatW GetEnvironmentStringsW GetExitCodeProcess GetFileSizeEx GetFileType GetLastError GetLocaleInfoW GetModuleFileNameW GetModuleHandleExW GetModuleHandleW GetOEMCP GetProcAddress GetProcessHeap GetStartupInfoW GetStdHandle GetStringTypeW GetSystemInfo GetSystemTimeAsFileTime GetTempPathW GetTickCount GetTimeFormatW GetTimeZoneInformation GetUserDefaultLCID GetVolumeInformationW GetVolumePathNameW GlobalMemoryStatusEx HeapAlloc HeapFree InitializeCriticalSectionAndSpinCount InitializeCriticalSectionEx InitializeSListHead IsDebuggerPresent IsProcessorFeaturePresent IsValidCodePage IsValidLocale LCMapStringW LeaveCriticalSection LoadLibraryExA LoadLibraryExW LoadLibraryW LoadResource LocalAlloc LocalFileTimeToFileTime LocalFree LockResource MultiByteToWideChar QueryPerformanceCounter QueryPerformanceFrequency RaiseException ReadConsoleW ReadFile ReleaseMutex ReleaseSRWLockExclusive RemoveDirectoryW RtlCaptureContext RtlLookupFunctionEntry RtlPcToFileHeader RtlUnwind RtlUnwindEx RtlVirtualUnwind SetEnvironmentVariableW SetFileInformationByHandle SetFilePointer SetFilePointerEx SetLastError SetStdHandle SetUnhandledExceptionFilter SizeofResource Sleep SleepConditionVariableSRW TerminateProcess TlsAlloc TlsFree TlsGetValue TlsSetValue TryAcquireSRWLockExclusive UnhandledExceptionFilter VerSetConditionMask VerifyVersionInfoW VirtualAlloc VirtualFree VirtualProtect VirtualQuery WaitForSingleObject WakeAllConditionVariable WideCharToMultiByte WriteConsoleW WriteFile lstrcpynW lstrlenW

winmm

timeGetTime

Name

.text

Size

385KB

Virtual Size

385KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

92KB

Virtual Size

91KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

56KB

Virtual Size

106KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

15KB

Virtual Size

15KB

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

512B

Virtual Size

305B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

_RDATA

Size

512B

Virtual Size

500B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.rsrc

Size

185.9MB

Virtual Size

185.9MB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

3KB

Virtual Size

3KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

2026-08-08_d1c59f4258748c719351f8961f56eb8b_icedid_mespinoza_njrat_ryuk

advapi32

kernel32

winmm

generic