Behavioral task
behavioral1
Sample
ef09243baed67c2d1f62d8beff0fab077f0df0a4742df117028fe4f89cd0d5e6.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
ef09243baed67c2d1f62d8beff0fab077f0df0a4742df117028fe4f89cd0d5e6.exe
Resource
win10v2004-20230915-en
General
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Target
ef09243baed67c2d1f62d8beff0fab077f0df0a4742df117028fe4f89cd0d5e6
-
Size
1.5MB
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MD5
68c4e6f8b69818cde7e3b6b312eef597
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SHA1
d8ecbfaf7da5452ce2dbb0d0d247d6efd7a7f40c
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SHA256
ef09243baed67c2d1f62d8beff0fab077f0df0a4742df117028fe4f89cd0d5e6
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SHA512
3714ab2b6577acff7434fecfb4e3566a034e8e1db6a943d50e419955c303fd0c23e7758e93dade7d0ee7b47d83ef424d16cffe862e51a8ca6e70cba29f25df2d
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SSDEEP
24576:N2SE/ZNhnj7gv3qC/VMNtOk0eCw5mbMDSVXT5XiZBya3AWOE:N2Lvgv3qC9MWw5GXT5Xij1w4
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 ef09243baed67c2d1f62d8beff0fab077f0df0a4742df117028fe4f89cd0d5e6
Files
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ef09243baed67c2d1f62d8beff0fab077f0df0a4742df117028fe4f89cd0d5e6.exe windows:6 windows x64
eb47b1ae73ca60fba5f5b2cff9a47c8c
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
GetTempPathW
CreateDirectoryW
LoadLibraryW
GetProcAddress
WaitNamedPipeW
GetLastError
CreateFileW
ReadFile
WriteFile
GetModuleHandleA
LoadLibraryA
GetPrivateProfileStringW
WritePrivateProfileStringW
GetModuleHandleW
FindResourceW
LoadResource
SizeofResource
LockResource
InitializeCriticalSectionEx
DeleteCriticalSection
DecodePointer
Sleep
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
GetProcessHeap
GetFileAttributesW
GetModuleFileNameW
LoadLibraryExW
FreeLibrary
MultiByteToWideChar
GetCurrentProcess
IsWow64Process
SetLastError
ResumeThread
WaitForSingleObject
LocalFree
WriteConsoleW
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
MapViewOfFile
CreateFileMappingW
UnmapViewOfFile
CloseHandle
GetCommandLineW
GetCommandLineA
GetOEMCP
GetACP
IsValidCodePage
FindNextFileW
FindFirstFileExW
FindClose
GetTimeZoneInformation
SetStdHandle
GetFullPathNameW
GetCurrentDirectoryW
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
CompareStringW
GetConsoleMode
WideCharToMultiByte
GetStringTypeW
WaitForSingleObjectEx
GetCurrentThreadId
GetExitCodeThread
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
TryAcquireSRWLockExclusive
EnterCriticalSection
LeaveCriticalSection
EncodePointer
LCMapStringEx
QueryPerformanceCounter
CompareStringEx
GetCPInfo
GetSystemTimeAsFileTime
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
InitializeSListHead
OutputDebugStringW
RaiseException
RtlUnwindEx
RtlPcToFileHeader
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetDriveTypeW
GetFileInformationByHandle
GetFileType
PeekNamedPipe
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
ExitProcess
GetModuleHandleExW
CreateThread
ExitThread
FreeLibraryAndExitThread
GetStdHandle
SetFilePointerEx
FlushFileBuffers
GetConsoleOutputCP
user32
MessageBoxA
MessageBoxW
advapi32
SetEntriesInAclW
ConvertStringSidToSidW
GetNamedSecurityInfoW
SetNamedSecurityInfoW
shell32
SHGetFolderPathW
ole32
CoInitializeEx
CoUninitialize
oleaut32
VariantInit
SafeArrayCreate
SafeArrayAccessData
SafeArrayUnaccessData
mscoree
CorBindToRuntime
CLRCreateInstance
wininet
InternetReadFile
InternetOpenA
InternetOpenUrlA
version
VerQueryValueW
GetFileVersionInfoW
GetFileVersionInfoSizeW
winmm
PlaySoundW
Sections
.text Size: 372KB - Virtual size: 372KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 114KB - Virtual size: 114KB
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: 17KB - 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: 1009KB - Virtual size: 1008KB
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