coffloader | 2026-11-01_fecf5661fa323c13fad9eb40872043ef_cobalt-strike_icedid_luca-stealer_njrat

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General

Target
2026-11-01_fecf5661fa323c13fad9eb40872043ef_cobalt-strike_icedid_luca-stealer_njrat
Size 257KB
Sample261102-bsajfagv3l
SHA256 6b074a1446d58af4eb6330e11df9137470d3d0d2137a1da1de1c808ce68d2708
MD5 fecf5661fa323c13fad9eb40872043ef
SHA1 b621c96116faee41ed25cb0136cba3442a73b254
SHA512 8b5b9780753a393ab9bba2ad802458bd36bd8d0328537bf75ec3a28426423bad07bb94af066a247e540976eff2a6fb3032e5d792423e71181c865a3d795a6396
SSDEEP 3072:ALnH03C3Yadf1tn49bBBJbuHhy0N+dfWMPPa/0jccgAhrqV+D8A5nuGOGJcR3Eu:ALnH0ixdd949bBTb81UfWMP/omz5uve
TLSH
T104447D59B7951CF9ED67C13CC9928527E6B278550320CBEF03608A762F236E09D3EB52
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

loader coffloader

Malware Config

Signatures

Family: Coffloader
Coffloader is an open-source beacon loader written in C.
loader coffloader

Detects Coffloader 1 IoCs

resource	yara_rule
sample	family_coffloader

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2026-11-01_fecf5661fa323c13fad9eb40872043ef_cobalt-strike_icedid_luca-stealer_njrat

File Explorer

2026-11-01_fecf5661fa323c13fad9eb40872043ef_cobalt-strike_icedid_luca-stealer_njrat

.exe 257KB

2026-11-01_fecf5661fa323c13fad9eb40872043ef_cobalt-strike_icedid_luca-stealer_njrat

IMPHASH 00a6266ac97d4844e0ca19bc98fa30f4
SHA256 6b074a1446d58af4eb6330e11df9137470d3d0d2137a1da1de1c808ce68d2708
MD5 fecf5661fa323c13fad9eb40872043ef
SHA1 b621c96116faee41ed25cb0136cba3442a73b254
SHA512 8b5b9780753a393ab9bba2ad802458bd36bd8d0328537bf75ec3a28426423bad07bb94af066a247e540976eff2a6fb3032e5d792423e71181c865a3d795a6396
SSDEEP 3072:ALnH03C3Yadf1tn49bBBJbuHhy0N+dfWMPPa/0jccgAhrqV+D8A5nuGOGJcR3Eu:ALnH0ixdd949bBTb81UfWMP/omz5uve
TLSH
T104447D59B7951CF9ED67C13CC9928527E6B278550320CBEF03608A762F236E09D3EB52
MD5 SHA1 SHA512 SSDEEP TLSH

windows:6 windows x64 arch:x64

Detects Coffloader
Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

85224

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_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB paths

bcrypt

BCryptOpenAlgorithmProvider BCryptDestroyHash BCryptFinishHash BCryptHashData BCryptCreateHash BCryptDestroyKey BCryptImportKeyPair BCryptDecrypt BCryptEncrypt BCryptGenerateSymmetricKey BCryptCloseAlgorithmProvider BCryptSetProperty BCryptGenRandom

ws2_32

closesocket shutdown freeaddrinfo getaddrinfo WSAGetLastError WSAStartup socket setsockopt send select recv getsockopt ioctlsocket connect

secur32

FreeCredentialsHandle DecryptMessage EncryptMessage FreeContextBuffer QueryContextAttributesW DeleteSecurityContext InitializeSecurityContextW AcquireCredentialsHandleW

kernel32

HeapReAlloc HeapSize LCMapStringW InitializeCriticalSectionEx FlsFree FlsSetValue FlsGetValue FlsAlloc GetStringTypeW SetStdHandle FreeEnvironmentStringsW GetEnvironmentStringsW GetCommandLineW GetCommandLineA GetCPInfo GetOEMCP GetACP IsValidCodePage FindFirstFileExW GetFileType CreateFileW GetFileSizeEx ReadFile CloseHandle GetSystemInfo VirtualProtect VirtualQuery GetModuleFileNameW CreateThread GetSystemDirectoryW VirtualAlloc VirtualFree GetModuleHandleW FlushFileBuffers LoadLibraryW GetFileSize HeapAlloc HeapFree GetProcessHeap ReleaseSRWLockExclusive AcquireSRWLockExclusive Sleep MultiByteToWideChar WideCharToMultiByte WaitForSingleObject GetCurrentProcess GetCurrentProcessId GetSystemTimeAsFileTime InitializeCriticalSection EnterCriticalSection LeaveCriticalSection InitOnceExecuteOnce SetEvent CreateEventW GetTickCount WriteFile GetLastError WaitNamedPipeW SetCurrentDirectoryW GetCurrentDirectoryW FindClose FindFirstFileW FindNextFileW SetFilePointerEx SetHandleInformation CreatePipe TerminateProcess OpenProcess CreateToolhelp32Snapshot Process32FirstW Process32NextW GetTickCount64 GetComputerNameW TerminateThread SuspendThread ResumeThread GetThreadContext GetConsoleOutputCP GetConsoleMode WriteConsoleW GetProcAddress CreateProcessW RtlCaptureContext RtlLookupFunctionEntry RtlVirtualUnwind UnhandledExceptionFilter SetUnhandledExceptionFilter IsProcessorFeaturePresent QueryPerformanceCounter GetCurrentThreadId InitializeSListHead IsDebuggerPresent GetStartupInfoW RtlUnwindEx SetLastError DeleteCriticalSection InitializeCriticalSectionAndSpinCount TlsAlloc TlsGetValue TlsSetValue TlsFree FreeLibrary LoadLibraryExW EncodePointer RaiseException RtlPcToFileHeader GetStdHandle ExitProcess GetModuleHandleExW

advapi32

RevertToSelf ImpersonateLoggedOnUser GetTokenInformation OpenProcessToken GetUserNameW

Name

.text

Size

165KB

Virtual Size

164KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.mhnstub

Size

11KB

Virtual Size

10KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

mhnjob

Size

512B

Virtual Size

486B

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

mhnspoof

Size

512B

Virtual Size

73B

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

58KB

Virtual Size

57KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

3KB

Virtual Size

75KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

9KB

Virtual Size

8KB

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

.rsrc

Size

512B

Virtual Size

480B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

2KB

Virtual Size

1KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

.mhncfg

Size

6KB

Virtual Size

6KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

2026-11-01_fecf5661fa323c13fad9eb40872043ef_cobalt-strike_icedid_luca-stealer_njrat

bcrypt

ws2_32

secur32

kernel32

advapi32

generic