Behavioral task
behavioral1
Sample
8f8bda45019318cbf696bd8b6861387dd46db1e0a0d86dde04a32fcd94a6119e.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
8f8bda45019318cbf696bd8b6861387dd46db1e0a0d86dde04a32fcd94a6119e.exe
Resource
win10v2004-20230915-en
General
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Target
8f8bda45019318cbf696bd8b6861387dd46db1e0a0d86dde04a32fcd94a6119e
-
Size
1.9MB
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MD5
673d171e42e4a7a1ff3a16af43a69279
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SHA1
cf0b4fd4d9c7414bbd59d72b484fbdaea3a2fb40
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SHA256
8f8bda45019318cbf696bd8b6861387dd46db1e0a0d86dde04a32fcd94a6119e
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SHA512
d8b5fb0201f407facc3d3dceda8d354172ff6ddc72ef28b235fb0e765df3e0b0baf745a8b6b31686f87071795557a1020bd06a2e93ae03e78ca19fd5d3851c07
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SSDEEP
49152:MxD48BHyoLn6d9czOqpwyQKknUqt5XT5XD1:sj6d9czOqpwRKkF5D5T1
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 8f8bda45019318cbf696bd8b6861387dd46db1e0a0d86dde04a32fcd94a6119e
Files
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8f8bda45019318cbf696bd8b6861387dd46db1e0a0d86dde04a32fcd94a6119e.exe windows:6 windows x64
7676be33f1bbf95eb68cc93617a4b88f
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
MapViewOfFile
UnmapViewOfFile
GetProcAddress
LoadLibraryW
DecodePointer
GetLastError
HeapAlloc
HeapReAlloc
HeapFree
HeapSize
GetProcessHeap
InitializeCriticalSectionEx
DeleteCriticalSection
CreateFileW
ReadFile
WriteFile
WaitNamedPipeW
GetModuleHandleA
LoadLibraryA
GetPrivateProfileStringW
WritePrivateProfileStringW
GetModuleHandleW
LoadResource
CreateFileMappingW
SizeofResource
FindResourceW
GetFileAttributesW
FreeLibrary
GetModuleFileNameW
LoadLibraryExW
MultiByteToWideChar
GetCurrentProcess
CreateProcessW
GetTickCount64
IsWow64Process
SetLastError
WaitForSingleObject
ResumeThread
CreateDirectoryW
GetTempPathW
LocalFree
WriteConsoleW
SetStdHandle
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCurrentProcessId
Sleep
CloseHandle
LockResource
WideCharToMultiByte
GetCommandLineW
GetCommandLineA
FindNextFileW
FindFirstFileExW
FindClose
GetOEMCP
GetACP
IsValidCodePage
SetFilePointerEx
GetConsoleMode
GetConsoleOutputCP
FlushFileBuffers
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
GetFileType
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
TryAcquireSRWLockExclusive
GetCurrentThreadId
WaitForSingleObjectEx
GetExitCodeThread
GetStringTypeW
EnterCriticalSection
LeaveCriticalSection
QueryPerformanceCounter
EncodePointer
CompareStringEx
GetCPInfo
LCMapStringEx
WakeAllConditionVariable
SleepConditionVariableSRW
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree
GetSystemTimeAsFileTime
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
InitializeSListHead
OutputDebugStringW
RaiseException
RtlPcToFileHeader
RtlUnwindEx
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
CreateThread
ExitThread
FreeLibraryAndExitThread
GetModuleHandleExW
ExitProcess
GetStdHandle
user32
SetProcessDPIAware
MessageBoxA
MessageBoxW
advapi32
SetNamedSecurityInfoW
GetNamedSecurityInfoW
SetEntriesInAclW
ConvertStringSidToSidW
shell32
SHGetFolderPathW
ole32
CoInitializeEx
CoUninitialize
oleaut32
SafeArrayCreate
SafeArrayAccessData
SafeArrayUnaccessData
VariantInit
mscoree
CLRCreateInstance
CorBindToRuntime
wininet
InternetOpenUrlA
InternetOpenA
HttpQueryInfoA
InternetReadFile
version
GetFileVersionInfoSizeW
GetFileVersionInfoW
VerQueryValueW
winmm
PlaySoundW
Sections
.text Size: 752KB - Virtual size: 752KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 367KB - Virtual size: 367KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 9KB - Virtual size: 84KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 29KB - Virtual size: 28KB
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: 787KB - Virtual size: 786KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ