Behavioral task
behavioral1
Sample
6b05bce465c9e46fbad007894fa965c7c260c8a1e71375c50b59db5b0c687670.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
6b05bce465c9e46fbad007894fa965c7c260c8a1e71375c50b59db5b0c687670.exe
Resource
win10v2004-20230703-en
General
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Target
6b05bce465c9e46fbad007894fa965c7c260c8a1e71375c50b59db5b0c687670
-
Size
1.3MB
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MD5
6e10d9a3493f98b37e7e92d5c19cffd0
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SHA1
ff88917a5cc2beb7cf12467624b499f91f02ff87
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SHA256
6b05bce465c9e46fbad007894fa965c7c260c8a1e71375c50b59db5b0c687670
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SHA512
4280de941d4bffe180087a8d1d56b54c7874e4748a34605c23923aad020d4fae1f6841c46fdc0e19508705f4ce11adb6a678ee9a9e5453172cf25c23fa1e17f3
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SSDEEP
24576:UnXrUf+HEwwO6/DKFe52lUBX0OwcDSVXT5X4digf3kya:KXra+8O6/DGeQ9RXT5X4dr3k1
Malware Config
Signatures
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R77 family
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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 6b05bce465c9e46fbad007894fa965c7c260c8a1e71375c50b59db5b0c687670
Files
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6b05bce465c9e46fbad007894fa965c7c260c8a1e71375c50b59db5b0c687670.exe windows x64
28871e7fd41b875456d7742efbec7703
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
GetCurrentProcessId
LoadLibraryW
GetProcAddress
WaitNamedPipeW
GetLastError
CreateFileW
ReadFile
WriteFile
GetModuleHandleA
LoadLibraryA
GetPrivateProfileStringW
WritePrivateProfileStringW
GetModuleHandleW
FindResourceW
LoadResource
SizeofResource
LockResource
InitializeCriticalSectionEx
DeleteCriticalSection
DecodePointer
HeapAlloc
Sleep
HeapReAlloc
HeapSize
GetProcessHeap
GetTempPathW
GetFileAttributesW
GetModuleFileNameW
LoadLibraryExW
FreeLibrary
MultiByteToWideChar
GetCurrentProcess
IsWow64Process
SetLastError
ResumeThread
WaitForSingleObject
LocalFree
CreateDirectoryW
WriteConsoleW
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
MapViewOfFile
CreateFileMappingW
UnmapViewOfFile
HeapFree
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
TryAcquireSRWLockExclusive
EnterCriticalSection
LeaveCriticalSection
EncodePointer
LCMapStringEx
QueryPerformanceCounter
CompareStringEx
GetCPInfo
GetSystemTimeAsFileTime
InitializeCriticalSectionAndSpinCount
CreateEventW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
InitializeSListHead
OutputDebugStringW
RaiseException
RtlUnwindEx
RtlPcToFileHeader
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
RtlUnwind
GetDriveTypeW
GetFileInformationByHandle
GetFileType
PeekNamedPipe
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
ExitProcess
GetModuleHandleExW
CreateThread
ExitThread
FreeLibraryAndExitThread
GetStdHandle
SetFilePointerEx
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
user32
MessageBoxA
MessageBoxW
advapi32
SetEntriesInAclW
ConvertStringSidToSidW
GetNamedSecurityInfoW
SetNamedSecurityInfoW
shell32
SHGetFolderPathW
ole32
CoInitializeEx
CoUninitialize
oleaut32
SysFreeString
SysAllocString
mscoree
CorBindToRuntime
CLRCreateInstance
wininet
InternetOpenUrlA
InternetOpenA
InternetReadFile
version
GetFileVersionInfoSizeW
VerQueryValueW
GetFileVersionInfoW
winmm
PlaySoundW
Sections
.text Size: 350KB - Virtual size: 350KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 124KB - Virtual size: 124KB
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: 16KB - Virtual size: 15KB
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: 819KB - Virtual size: 818KB
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