2026-07-28_f8e3cfb258cf5c9a48ad3c19bda6216b_icedid_mespinoza_njrat_ryuk

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General

Target
2026-07-28_f8e3cfb258cf5c9a48ad3c19bda6216b_icedid_mespinoza_njrat_ryuk
Size 12.8MB
Sample260729-acc4yscm21
SHA256 37e4a4f5db16bede58c589c11086a1491797a5d7bb4d6c14d5e2ae220f9a9d34
MD5 f8e3cfb258cf5c9a48ad3c19bda6216b
SHA1 736cc307966b2ad6ec793f371e1db4b2fd1d3aab
SHA512 883d18f0e0473ce32ae24cd885050e050c132f44c2d4514ec79f0cadecae6f07e6eb1a6d10fce4c5998113ebfeba64c53b0ec2208fc634c7ff2bdccf704d8f51
SSDEEP 393216:GOdkLV6HYJeGQnwxcRT6aguL2aL6rIN/M:GvB9eucRGkLBGK/M
TLSH
T15DD63319E3D946DCC07EC130C2168696D6B57C528B246BDF0AA0725A1F7BAE44F3F722
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2026-07-28_f8e3cfb258cf5c9a48ad3c19bda6216b_icedid_mespinoza_njrat_ryuk

File Explorer

2026-07-28_f8e3cfb258cf5c9a48ad3c19bda6216b_icedid_mespinoza_njrat_ryuk

.exe 12.8MB

2026-07-28_f8e3cfb258cf5c9a48ad3c19bda6216b_icedid_mespinoza_njrat_ryuk

IMPHASH a66881e7484924f47339ba9cd2357c0e
SHA256 37e4a4f5db16bede58c589c11086a1491797a5d7bb4d6c14d5e2ae220f9a9d34
MD5 f8e3cfb258cf5c9a48ad3c19bda6216b
SHA1 736cc307966b2ad6ec793f371e1db4b2fd1d3aab
SHA512 883d18f0e0473ce32ae24cd885050e050c132f44c2d4514ec79f0cadecae6f07e6eb1a6d10fce4c5998113ebfeba64c53b0ec2208fc634c7ff2bdccf704d8f51
SSDEEP 393216:GOdkLV6HYJeGQnwxcRT6aguL2aL6rIN/M:GvB9eucRGkLBGK/M
TLSH
T15DD63319E3D946DCC07EC130C2168696D6B57C528B246BDF0AA0725A1F7BAE44F3F722
MD5 SHA1 SHA512 SSDEEP TLSH

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

127472

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 GetLogicalProcessorInformation 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

428KB

Virtual Size

427KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

93KB

Virtual Size

92KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

56KB

Virtual Size

107KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

16KB

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

337B

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

malloc_h

Size

512B

Virtual Size

269B

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rsrc

Size

193.1MB

Virtual Size

193.1MB

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

2026-07-28_f8e3cfb258cf5c9a48ad3c19bda6216b_icedid_mespinoza_njrat_ryuk

advapi32

kernel32

winmm

generic