r77 | 2026-11-07_3b9cc7421872c4b4ee20ea145bc33559_cobalt-strike_icedid_stealc_vidar

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General

Target
2026-11-07_3b9cc7421872c4b4ee20ea145bc33559_cobalt-strike_icedid_stealc_vidar
Size 1.3MB
Sample261109-ltdycsa12r
SHA256 1f24c086020816d454483729c2bbb5d4b21d0beb44e098c1a31016de5ee7f3b5
MD5 3b9cc7421872c4b4ee20ea145bc33559
SHA1 2f9f79f386fc89dfb35b4ddb51059f8168bcc9ae
SHA512 352c9de39aa833ad11ba1d4e6d5d81c634b4fff8850f7496ccd33ad07898d061b5b2f23b85385793972f225688e0f1818871898eb615d9550f394dd52f591689
SSDEEP 12288:BUhaw37/wD4afMmBUjYxYdXYdpx/DAPJRdgMmmu0L5DSyti:Q7w8afDUj0YdXYdpxwbJ7RDS
TLSH
T1F355AD1AB35544B9E4A7D13D8A538A4BE3B274050B61D7CF13A047AE3F677A18F7A320
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
2026-11-07_3b9cc7421872c4b4ee20ea145bc33559_cobalt-strike_icedid_stealc_vidar

File Explorer

2026-11-07_3b9cc7421872c4b4ee20ea145bc33559_cobalt-strike_icedid_stealc_vidar

.exe 1.3MB

2026-11-07_3b9cc7421872c4b4ee20ea145bc33559_cobalt-strike_icedid_stealc_vidar

IMPHASH 6a0e7008e555057ebe2aa86f0108ac2b
SHA256 1f24c086020816d454483729c2bbb5d4b21d0beb44e098c1a31016de5ee7f3b5
MD5 3b9cc7421872c4b4ee20ea145bc33559
SHA1 2f9f79f386fc89dfb35b4ddb51059f8168bcc9ae
SHA512 352c9de39aa833ad11ba1d4e6d5d81c634b4fff8850f7496ccd33ad07898d061b5b2f23b85385793972f225688e0f1818871898eb615d9550f394dd52f591689
SSDEEP 12288:BUhaw37/wD4afMmBUjYxYdXYdpx/DAPJRdgMmmu0L5DSyti:Q7w8afDUj0YdXYdpxwbJ7RDS
TLSH
T1F355AD1AB35544B9E4A7D13D8A538A4BE3B274050B61D7CF13A047AE3F677A18F7A320
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

168740

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

CloseHandle UnmapViewOfFile CreateFileMappingW MapViewOfFile Sleep GetCurrentProcessId LoadLibraryW GetProcAddress WaitNamedPipeW GetLastError CreateFileW ReadFile WriteFile GetModuleHandleA LoadLibraryA GetPrivateProfileStringW WritePrivateProfileStringW GetModuleHandleW FindResourceW LoadResource SizeofResource LockResource GetFileAttributesW GetModuleFileNameW LoadLibraryExW FreeLibrary MultiByteToWideChar GetCurrentProcess IsWow64Process SetLastError ResumeThread WaitForSingleObject GetTempPathW CreateDirectoryW WriteConsoleW HeapSize GetProcessHeap SetEnvironmentVariableW FreeEnvironmentStringsW GetEnvironmentStringsW GetCommandLineW GetCommandLineA GetOEMCP GetACP IsValidCodePage FindNextFileW FindFirstFileExW FindClose GetTimeZoneInformation HeapReAlloc SetStdHandle GetFullPathNameW GetCurrentDirectoryW EnumSystemLocalesW GetUserDefaultLCID IsValidLocale LocalFree WideCharToMultiByte GetStringTypeW WaitForSingleObjectEx SwitchToThread GetCurrentThreadId GetExitCodeThread EnterCriticalSection LeaveCriticalSection TryEnterCriticalSection DeleteCriticalSection EncodePointer DecodePointer InitializeCriticalSectionAndSpinCount CreateEventW TlsAlloc TlsGetValue TlsSetValue TlsFree GetSystemTimeAsFileTime GetTickCount QueryPerformanceCounter GetCPInfo CompareStringW LCMapStringW GetLocaleInfoW RtlCaptureContext RtlLookupFunctionEntry RtlVirtualUnwind UnhandledExceptionFilter SetUnhandledExceptionFilter TerminateProcess IsProcessorFeaturePresent IsDebuggerPresent GetStartupInfoW InitializeSListHead CreateTimerQueue SetEvent SignalObjectAndWait CreateThread SetThreadPriority GetThreadPriority GetLogicalProcessorInformation CreateTimerQueueTimer ChangeTimerQueueTimer DeleteTimerQueueTimer GetNumaHighestNodeNumber GetProcessAffinityMask SetThreadAffinityMask RegisterWaitForSingleObject UnregisterWait GetCurrentThread GetThreadTimes FreeLibraryAndExitThread GetVersionExW VirtualAlloc VirtualProtect VirtualFree DuplicateHandle ReleaseSemaphore InterlockedPopEntrySList InterlockedPushEntrySList InterlockedFlushSList QueryDepthSList UnregisterWaitEx RtlUnwindEx RtlPcToFileHeader RaiseException GetDriveTypeW GetFileInformationByHandle GetFileType PeekNamedPipe SystemTimeToTzSpecificLocalTime FileTimeToSystemTime ExitProcess GetModuleHandleExW ExitThread GetStdHandle HeapFree HeapAlloc SetFilePointerEx FlushFileBuffers GetConsoleCP GetConsoleMode

user32

MessageBoxA MessageBoxW

shell32

SHGetFolderPathW

oleaut32

SafeArrayCreate SafeArrayAccessData SafeArrayUnaccessData SafeArrayCreateVector SafeArrayDestroy

mscoree

CorBindToRuntime CLRCreateInstance

wininet

InternetReadFile InternetOpenUrlA InternetOpenA

version

GetFileVersionInfoSizeW GetFileVersionInfoW VerQueryValueW

winmm

PlaySoundW

Name

.text

Size

437KB

Virtual Size

437KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

158KB

Virtual Size

157KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

11KB

Virtual Size

20KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

23KB

Virtual Size

23KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

_RDATA

Size

512B

Virtual Size

148B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.rsrc

Size

650KB

Virtual Size

650KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

5KB

Virtual Size

4KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

2026-11-07_3b9cc7421872c4b4ee20ea145bc33559_cobalt-strike_icedid_stealc_vidar

kernel32

user32

shell32

oleaut32

mscoree

wininet

version

winmm

generic