2026-07-14_09ada231220439a282351b3453216a57_cobalt-strike_mespinoza_njrat_stealc

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General

Target
2026-07-14_09ada231220439a282351b3453216a57_cobalt-strike_mespinoza_njrat_stealc
Size 349KB
Sample260714-e7874agw7x
SHA256 bffd4fd2bc97094b3180810a05eb33c94b65d794969c5e9cac8f55baba688cc1
MD5 09ada231220439a282351b3453216a57
SHA1 47034d4d00f785d90a7931e2f4b1128ff0c0217a
SHA512 5f7a714c933ad5f5a888333ba558a0d546bc2915a181a4cbce9008cbaa0957f3f280ff3414624813f75fa2fb8926b823b75f9e46b4afb212e65fa02452c495c7
SSDEEP 6144:kD8sIJR/AAW6XHljf7eQX8WiJdPS6u+SwVl8Ag:kD8l3/AAW6XHhf7exJdPpu+SR
TLSH
T11C745B5CC72148F6D43BA2B0C0B81641BAB57CA84B907A9736E8CA355F725D0BF7E361
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2026-07-14_09ada231220439a282351b3453216a57_cobalt-strike_mespinoza_njrat_stealc

File Explorer

2026-07-14_09ada231220439a282351b3453216a57_cobalt-strike_mespinoza_njrat_stealc

.exe 349KB

2026-07-14_09ada231220439a282351b3453216a57_cobalt-strike_mespinoza_njrat_stealc

IMPHASH d9806b55c09b22ad29f21e33ca7d3f50
SHA256 bffd4fd2bc97094b3180810a05eb33c94b65d794969c5e9cac8f55baba688cc1
MD5 09ada231220439a282351b3453216a57
SHA1 47034d4d00f785d90a7931e2f4b1128ff0c0217a
SHA512 5f7a714c933ad5f5a888333ba558a0d546bc2915a181a4cbce9008cbaa0957f3f280ff3414624813f75fa2fb8926b823b75f9e46b4afb212e65fa02452c495c7
SSDEEP 6144:kD8sIJR/AAW6XHljf7eQX8WiJdPS6u+SwVl8Ag:kD8l3/AAW6XHhf7exJdPpu+SR
TLSH
T11C745B5CC72148F6D43BA2B0C0B81641BAB57CA84B907A9736E8CA355F725D0BF7E361
MD5 SHA1 SHA512 SSDEEP TLSH

windows:6 windows x64 arch:x64

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

180100

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_CUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB paths

advapi32

GetUserNameA

kernel32

AcquireSRWLockExclusive CloseHandle CompareStringW CreateFileW DeleteCriticalSection EncodePointer EnterCriticalSection ExitProcess FindClose FindFirstFileExW FindNextFileW FlsAlloc FlsFree FlsGetValue FlsSetValue FlushFileBuffers FormatMessageA FreeEnvironmentStringsW FreeLibrary GetACP GetCPInfo GetCommandLineA GetCommandLineW GetConsoleMode GetConsoleOutputCP GetCurrentProcess GetCurrentProcessId GetCurrentThreadId GetEnvironmentStringsW GetEnvironmentVariableA GetFileSizeEx GetFileType GetLastError GetLocalTime GetModuleFileNameW GetModuleHandleExW GetModuleHandleW GetOEMCP GetProcAddress GetProcessHeap GetStartupInfoW GetStdHandle GetStringTypeW GetSystemTimeAsFileTime GetThreadLocale GetTickCount64 HeapAlloc HeapFree HeapReAlloc HeapSize InitializeCriticalSectionAndSpinCount InitializeCriticalSectionEx InitializeSListHead IsDebuggerPresent IsProcessorFeaturePresent IsValidCodePage LCMapStringW LeaveCriticalSection LoadLibraryA LoadLibraryExA LoadLibraryExW LocalFree MultiByteToWideChar QueryPerformanceCounter RaiseException ReleaseSRWLockExclusive RtlCaptureContext RtlLookupFunctionEntry RtlPcToFileHeader RtlUnwindEx RtlVirtualUnwind SetEnvironmentVariableW SetFilePointerEx SetLastError SetStdHandle SetUnhandledExceptionFilter Sleep SleepConditionVariableSRW TerminateProcess TlsAlloc TlsFree TlsGetValue TlsSetValue UnhandledExceptionFilter VirtualProtect WakeAllConditionVariable WideCharToMultiByte WriteConsoleW WriteFile WriteProcessMemory lstrcatA lstrcpyA lstrlenA

oleaut32

VariantInit

Name

.text

Size

266KB

Virtual Size

266KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

60KB

Virtual Size

59KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

3KB

Virtual Size

22KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

6KB

Virtual Size

5KB

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

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.trace

Size

4KB

Virtual Size

3KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

_RDATA

Size

3KB

Virtual Size

3KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.rsrc

Size

512B

Virtual Size

464B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

3KB

Virtual Size

2KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

2026-07-14_09ada231220439a282351b3453216a57_cobalt-strike_mespinoza_njrat_stealc

advapi32

kernel32

oleaut32

generic