Behavioral task
behavioral1
Sample
e4641ee9ed34d20ff5d7b25172ad155448e3a7b1d0d0e540f1331b829c92acfc.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
e4641ee9ed34d20ff5d7b25172ad155448e3a7b1d0d0e540f1331b829c92acfc.exe
Resource
win10v2004-20230915-en
General
-
Target
e4641ee9ed34d20ff5d7b25172ad155448e3a7b1d0d0e540f1331b829c92acfc
-
Size
1.6MB
-
MD5
c1c83a6ec8f77f4934477fef45e83edb
-
SHA1
7d265d547bd4690295d94be386eed716158bfd6f
-
SHA256
e4641ee9ed34d20ff5d7b25172ad155448e3a7b1d0d0e540f1331b829c92acfc
-
SHA512
7e034a6b4b9eab5130a4b0835ec5eb3fc0d83c9f88633de4a0ca3cd97dbcada3c834557d0b5c58458c90ff80711bbf3d41aeaac6ad9a9586e1f83c11bc2bb1a7
-
SSDEEP
24576:kb+mdoU7ihtmQikThxF+2mLzbaLaPECkDtGQjnEdGDSVXT5Xs5:kymdoU+tmNAhSFLHa8/kwonUXT5Xs5
Malware Config
Signatures
-
R77 family
-
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 e4641ee9ed34d20ff5d7b25172ad155448e3a7b1d0d0e540f1331b829c92acfc
Files
-
e4641ee9ed34d20ff5d7b25172ad155448e3a7b1d0d0e540f1331b829c92acfc.exe windows:6 windows x64
64f3654afd4c6c9f85255b02757e4c15
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
CloseHandle
Sleep
GetCurrentProcessId
CreateFileMappingW
MapViewOfFile
UnmapViewOfFile
GetProcAddress
LoadLibraryW
CreateFileW
ReadFile
WriteFile
GetLastError
WaitNamedPipeW
GetModuleHandleA
LoadLibraryA
GetPrivateProfileStringW
WritePrivateProfileStringW
GetModuleHandleW
LoadResource
LockResource
SizeofResource
FindResourceW
GetTempPathW
DecodePointer
HeapAlloc
HeapReAlloc
HeapFree
HeapSize
GetProcessHeap
InitializeCriticalSectionEx
DeleteCriticalSection
CreateProcessW
GetTickCount
GetModuleFileNameW
GetFileAttributesW
FreeLibrary
LoadLibraryExW
MultiByteToWideChar
GetCurrentProcess
IsWow64Process
SetLastError
GetFileSizeEx
WaitForSingleObject
ResumeThread
CreateDirectoryW
RaiseException
WriteConsoleW
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineW
GetCommandLineA
GetOEMCP
GetACP
IsValidCodePage
FindNextFileW
FindFirstFileExW
FindClose
GetTimeZoneInformation
SetStdHandle
GetFullPathNameW
GetCurrentDirectoryW
SetFilePointerEx
GetConsoleMode
GetConsoleOutputCP
FlushFileBuffers
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
CompareStringW
LocalFree
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
RtlPcToFileHeader
RtlUnwindEx
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
ExitProcess
GetModuleHandleExW
GetDriveTypeW
GetFileInformationByHandle
GetFileType
PeekNamedPipe
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
CreateThread
ExitThread
FreeLibraryAndExitThread
GetStdHandle
user32
SetProcessDPIAware
MessageBoxA
MessageBoxW
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: 394KB - Virtual size: 394KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 146KB - Virtual size: 146KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 14KB - Virtual size: 22KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 16KB - Virtual size: 16KB
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: 1019KB - Virtual size: 1019KB
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