r77 | 0b17a7344626b52d99df2e463049bbd26f1eb9edbc602ef945ed3b2601fd5dd7

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General

Target

0b17a7344626b52d99df2e463049bbd26f1eb9edbc602ef945ed3b2601fd5dd7
Size

1.5MB
MD5

3cd620c5bf4b29da743c85dcad495731
SHA1

69a90e801f0b11ebc37ca7e576fd9642acd49a10
SHA256

0b17a7344626b52d99df2e463049bbd26f1eb9edbc602ef945ed3b2601fd5dd7
SHA512

0296f55d2a5a4c87ec05fe59a4c773e3c50c0da6e3112473caf1a13d1a371a82cde51b6883fdc7107035ef4465c422d5f38fb77360d43dd6bb5a8fc838d8835b
SSDEEP

24576:GpRl1R0dnN3Ctp20wJLh4918U6HdjwuLGdya3AWOENDSVXT5X1:GpRl1WStpwv4n8vcuyd1w4SXT5X1

Score

10^/10

r77

Malware Config

Signatures

R77 family
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
0b17a7344626b52d99df2e463049bbd26f1eb9edbc602ef945ed3b2601fd5dd7

Files

0b17a7344626b52d99df2e463049bbd26f1eb9edbc602ef945ed3b2601fd5dd7
.exe windows:6 windows x64 arch:x64

973704f0c923e5fe408968380198b51c

Headers

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

Imports

kernel32

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

user32

SetProcessDPIAware
MessageBoxA
MessageBoxW

advapi32

SetNamedSecurityInfoW
GetNamedSecurityInfoW
SetEntriesInAclW
ConvertStringSidToSidW

shell32

SHGetFolderPathW

ole32

CoInitializeEx
CoUninitialize

oleaut32

SysAllocString
SysFreeString
SafeArrayCreate
SafeArrayAccessData
SafeArrayUnaccessData
VariantInit

mscoree

CorBindToRuntime
CLRCreateInstance

wininet

InternetReadFile
InternetOpenUrlA
InternetOpenA
HttpQueryInfoA

version

VerQueryValueW
GetFileVersionInfoW
GetFileVersionInfoSizeW

winmm

PlaySoundW

Sections

.text
Size: 404KB - Virtual size: 404KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 141KB - Virtual size: 140KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 6KB - Virtual size: 14KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 18KB - Virtual size: 17KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 348B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 957KB - Virtual size: 957KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

973704f0c923e5fe408968380198b51c

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

advapi32

shell32

ole32

oleaut32

mscoree

wininet

version

winmm

Sections

.text Size: 404KB - Virtual size: 404KB

.rdata Size: 141KB - Virtual size: 140KB

.data Size: 6KB - Virtual size: 14KB

.pdata Size: 18KB - Virtual size: 17KB

_RDATA Size: 512B - Virtual size: 348B

.rsrc Size: 957KB - Virtual size: 957KB

.reloc Size: 3KB - Virtual size: 2KB

.text
Size: 404KB - Virtual size: 404KB

.rdata
Size: 141KB - Virtual size: 140KB

.data
Size: 6KB - Virtual size: 14KB

.pdata
Size: 18KB - Virtual size: 17KB

_RDATA
Size: 512B - Virtual size: 348B

.rsrc
Size: 957KB - Virtual size: 957KB

.reloc
Size: 3KB - Virtual size: 2KB