coffloader | 2026-03-04_2f6e9824d3a9c00fbfbf3eeb4f469546_icedid_njrat_ryuk

General

Target
2026-03-04_2f6e9824d3a9c00fbfbf3eeb4f469546_icedid_njrat_ryuk
Size 6.7MB
Sample260304-e9l6cad16w
SHA256 7a8c7afe2078d3135901113aece15edbf270409c428c12e3a629cfcc3a683873
MD5 2f6e9824d3a9c00fbfbf3eeb4f469546
SHA1 71ccd38746e1cac1c98c59b7b448d58742be32e8
SHA512 5fdb3a9226d86458d0620abbf8eb011f9ec4dea183132b0299cf86804e195b99dd82f9314c244d73ef83d5415f4471e5d667441701c98e4cf8d54313fc238a5f
SSDEEP 49152:hlc9Mw3sw27S4+U1LGGIbevjpjPMcXd1ZQWgH4kMZKvWbwAg/KCO6:LE27S4+U9Kbe2rR
TLSH
T1F46629173C7B0188989A1D389D38AB0D88143667A6767458EBFE75C1A1F83EC21B47DF
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

coffloader

Malware Config

Signatures

Coffloader family
coffloader

Detects Coffloader 1 IoCs

resource	yara_rule
sample	family_coffloader

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2026-03-04_2f6e9824d3a9c00fbfbf3eeb4f469546_icedid_njrat_ryuk

File Explorer

2026-03-04_2f6e9824d3a9c00fbfbf3eeb4f469546_icedid_njrat_ryuk

.exe 6.7MB

2026-03-04_2f6e9824d3a9c00fbfbf3eeb4f469546_icedid_njrat_ryuk

IMPHASH bce4ad408fee329a64177da7033c2dbe
SHA256 7a8c7afe2078d3135901113aece15edbf270409c428c12e3a629cfcc3a683873
MD5 2f6e9824d3a9c00fbfbf3eeb4f469546
SHA1 71ccd38746e1cac1c98c59b7b448d58742be32e8
SHA512 5fdb3a9226d86458d0620abbf8eb011f9ec4dea183132b0299cf86804e195b99dd82f9314c244d73ef83d5415f4471e5d667441701c98e4cf8d54313fc238a5f
SSDEEP 49152:hlc9Mw3sw27S4+U1LGGIbevjpjPMcXd1ZQWgH4kMZKvWbwAg/KCO6:LE27S4+U9Kbe2rR
TLSH
T1F46629173C7B0188989A1D389D38AB0D88143667A6767458EBFE75C1A1F83EC21B47DF
MD5 SHA1 SHA512 SSDEEP TLSH

windows:6 windows x64 arch:x64

Detects Coffloader
Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

0

Major OS version

6

Entry point

6856208

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

kernel32

CloseHandle CompareStringW CreateFileW CreateProcessA DeleteCriticalSection EnterCriticalSection ExitProcess FindClose FindFirstFileExA FindNextFileA FlushFileBuffers FreeEnvironmentStringsW FreeLibrary GetACP GetCPInfo GetCommandLineA GetCommandLineW GetConsoleCP GetConsoleMode GetCurrentProcess GetCurrentProcessId GetCurrentThreadId GetEnvironmentStringsW GetFileType GetLastError GetModuleFileNameA GetModuleHandleA GetModuleHandleExW GetModuleHandleW GetOEMCP GetProcAddress GetProcessHeap GetStartupInfoW GetStdHandle GetStringTypeW GetSystemTimeAsFileTime HeapAlloc HeapFree HeapReAlloc HeapSize InitializeCriticalSectionAndSpinCount InitializeSListHead IsDebuggerPresent IsProcessorFeaturePresent IsValidCodePage LCMapStringW LeaveCriticalSection LoadLibraryA LoadLibraryExW MultiByteToWideChar QueryPerformanceCounter RaiseException ReadConsoleW ReadFile RtlCaptureContext RtlLookupFunctionEntry RtlUnwindEx RtlVirtualUnwind SetEndOfFile SetEnvironmentVariableA SetFilePointerEx SetLastError SetStdHandle SetUnhandledExceptionFilter TerminateProcess TlsAlloc TlsFree TlsGetValue TlsSetValue UnhandledExceptionFilter VirtualAlloc VirtualFree WideCharToMultiByte WriteConsoleW WriteFile

advapi32

RevertToSelf SetThreadToken

Name

.text

Size

6.6MB

Virtual Size

6.6MB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

40KB

Virtual Size

39KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

3KB

Virtual Size

7KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

5KB

Virtual Size

4KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.gfids

Size

512B

Virtual Size

128B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

_RDATA

Size

512B

Virtual Size

500B

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

2026-03-04_2f6e9824d3a9c00fbfbf3eeb4f469546_icedid_njrat_ryuk

kernel32

advapi32

generic