r77 | 2026-10-03_af5d660c756e081aba6dbbe7d219b58b_cobalt-strike_icedid_luca-stealer_njrat_satacom_stealc_vidar

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General

Target
2026-10-03_af5d660c756e081aba6dbbe7d219b58b_cobalt-strike_icedid_luca-stealer_njrat_satacom_stealc_vidar
Size 1.2MB
Sample261004-e1kk6azapd
SHA256 86cfebf4baa87e20e7246e9e719139166e66dff4c498797c41d7dfc5c2db0b10
MD5 af5d660c756e081aba6dbbe7d219b58b
SHA1 8a6d4169ca2fb8449be423ec9188ba6c7a933d40
SHA512 40db55c628fdac4a3f47e7010fa4d09dad7cb82f2e5c08f8303fc47e24ee0dde3768979387a6b6a5a1decf83d716e97045c4ba9b91502e9e86f42d04555dfc62
SSDEEP 24576:UmTet5zv1ST7l/rCK3Fd/CTRcMmDSMm94bJ7:6PzgTB/rvVrMTqV7
TLSH
T19045AE56739406F9F0B7A13CC9538906E3B678061770DBDF03A0426A6F677E19E3AB21
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

rootkit r77

Malware Config

Signatures

Family: r77
r77 is an open-source, userland rootkit.
rootkit r77

r77 rootkit payload 1 IoCs

Detects the payload of the r77 rootkit.

resource	yara_rule
sample	r77_payload

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2026-10-03_af5d660c756e081aba6dbbe7d219b58b_cobalt-strike_icedid_luca-stealer_njrat_satacom_stealc_vidar

File Explorer

2026-10-03_af5d660c756e081aba6dbbe7d219b58b_cobalt-strike_icedid_luca-stealer_njrat_satacom_stealc_vidar

.exe 1.2MB

2026-10-03_af5d660c756e081aba6dbbe7d219b58b_cobalt-strike_icedid_luca-stealer_njrat_satacom_stealc_vidar

IMPHASH 053a2861638be468247659cfe8e7cd16
SHA256 86cfebf4baa87e20e7246e9e719139166e66dff4c498797c41d7dfc5c2db0b10
MD5 af5d660c756e081aba6dbbe7d219b58b
SHA1 8a6d4169ca2fb8449be423ec9188ba6c7a933d40
SHA512 40db55c628fdac4a3f47e7010fa4d09dad7cb82f2e5c08f8303fc47e24ee0dde3768979387a6b6a5a1decf83d716e97045c4ba9b91502e9e86f42d04555dfc62
SSDEEP 24576:UmTet5zv1ST7l/rCK3Fd/CTRcMmDSMm94bJ7:6PzgTB/rvVrMTqV7
TLSH
T19045AE56739406F9F0B7A13CC9538906E3B678061770DBDF03A0426A6F677E19E3AB21
MD5 SHA1 SHA512 SSDEEP TLSH

windows:6 windows x64 arch:x64

r77 rootkit payload

Detects the payload of the r77 rootkit.
Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

204512

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

kernel32

GetCurrentProcessId LoadLibraryW GetProcAddress WaitNamedPipeW GetLastError CreateFileW ReadFile WriteFile GetModuleHandleA LoadLibraryA GetPrivateProfileStringW WritePrivateProfileStringW GetModuleHandleW FindResourceW LoadResource SizeofResource LockResource RaiseException InitializeCriticalSectionEx DeleteCriticalSection DecodePointer Sleep HeapFree HeapReAlloc HeapSize GetProcessHeap GetTempPathW GetFileAttributesW GetModuleFileNameW LoadLibraryExW FreeLibrary MultiByteToWideChar GetCurrentProcess IsWow64Process SetLastError ResumeThread WaitForSingleObject LocalFree CreateDirectoryW WriteConsoleW SetEnvironmentVariableW FreeEnvironmentStringsW GetEnvironmentStringsW MapViewOfFile CreateFileMappingW UnmapViewOfFile HeapAlloc CloseHandle GetCommandLineW GetCommandLineA GetOEMCP GetACP IsValidCodePage FindNextFileW FindFirstFileExW FindClose GetTimeZoneInformation SetStdHandle GetFullPathNameW GetCurrentDirectoryW EnumSystemLocalesW GetUserDefaultLCID IsValidLocale GetLocaleInfoW LCMapStringW CompareStringW WideCharToMultiByte GetStringTypeW WaitForSingleObjectEx GetCurrentThreadId GetExitCodeThread InitializeSRWLock ReleaseSRWLockExclusive AcquireSRWLockExclusive EnterCriticalSection LeaveCriticalSection TryEnterCriticalSection EncodePointer LCMapStringEx QueryPerformanceCounter FlsAlloc FlsGetValue FlsSetValue FlsFree GetSystemTimeAsFileTime CompareStringEx GetCPInfo InitializeCriticalSectionAndSpinCount CreateEventW RtlCaptureContext RtlLookupFunctionEntry RtlVirtualUnwind UnhandledExceptionFilter SetUnhandledExceptionFilter TerminateProcess IsProcessorFeaturePresent IsDebuggerPresent GetStartupInfoW InitializeSListHead OutputDebugStringW RtlUnwindEx RtlPcToFileHeader TlsAlloc TlsGetValue TlsSetValue TlsFree GetDriveTypeW GetFileInformationByHandle GetFileType PeekNamedPipe SystemTimeToTzSpecificLocalTime FileTimeToSystemTime ExitProcess GetModuleHandleExW CreateThread ExitThread FreeLibraryAndExitThread GetStdHandle SetFilePointerEx FlushFileBuffers GetConsoleOutputCP GetConsoleMode

user32

MessageBoxW MessageBoxA

advapi32

SetEntriesInAclW ConvertStringSidToSidW GetNamedSecurityInfoW SetNamedSecurityInfoW

shell32

SHGetFolderPathW

ole32

CoInitializeEx CoUninitialize

oleaut32

SysFreeString SysAllocString

mscoree

CorBindToRuntime CLRCreateInstance

wininet

InternetOpenUrlA InternetReadFile InternetOpenA

version

VerQueryValueW GetFileVersionInfoSizeW GetFileVersionInfoW

winmm

PlaySoundW

Name

.text

Size

361KB

Virtual Size

361KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

130KB

Virtual Size

129KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

6KB

Virtual Size

14KB

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

_RDATA

Size

512B

Virtual Size

348B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.rsrc

Size

672KB

Virtual Size

672KB

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

2026-10-03_af5d660c756e081aba6dbbe7d219b58b_cobalt-strike_icedid_luca-stealer_njrat_satacom_stealc_vidar

kernel32

user32

advapi32

shell32

ole32

oleaut32

mscoree

wininet

version

winmm

generic