Behavioral task
behavioral1
Sample
4adcdc0a940a3a822331ef39b8c8d05cc3db49787e1308e6d5a64fa5f6ba8931.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
4adcdc0a940a3a822331ef39b8c8d05cc3db49787e1308e6d5a64fa5f6ba8931.exe
Resource
win10v2004-20230831-en
General
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Target
4adcdc0a940a3a822331ef39b8c8d05cc3db49787e1308e6d5a64fa5f6ba8931
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Size
1.7MB
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MD5
5a89a10e746f0d3ad87c43a001149539
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SHA1
8c766c69808263681e4103d26cd88572f2a32517
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SHA256
4adcdc0a940a3a822331ef39b8c8d05cc3db49787e1308e6d5a64fa5f6ba8931
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SHA512
f48b9b93d3bbbc714e1d5dae380b7e2ecd4bcefe74bd596e4df8b2dfb65d83cda34d5f28badf3f5a0ec12cdebdef28170e9fd2ff76a2243b44e4d20364cc333f
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SSDEEP
24576:Z9j9XqaJmd0jdm1mLHWVxwAFDLE1FnYwGyaSeDSVXT5X4+Dx76ya:ZHXqzd0jImLHWVmAFDuZLzXT5X40761
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 4adcdc0a940a3a822331ef39b8c8d05cc3db49787e1308e6d5a64fa5f6ba8931
Files
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4adcdc0a940a3a822331ef39b8c8d05cc3db49787e1308e6d5a64fa5f6ba8931.exe windows x64
9c7d58651e6878ebd2494f3d8ef46b79
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
UnmapViewOfFile
GetProcAddress
LoadLibraryW
CreateFileW
ReadFile
WriteFile
GetLastError
WaitNamedPipeW
GetModuleHandleA
LoadLibraryA
GetPrivateProfileStringW
WritePrivateProfileStringW
GetModuleHandleW
LoadResource
LockResource
SizeofResource
FindResourceW
DecodePointer
HeapAlloc
HeapReAlloc
HeapFree
HeapSize
MapViewOfFile
InitializeCriticalSectionEx
DeleteCriticalSection
GetFileAttributesW
FreeLibrary
GetModuleFileNameW
LoadLibraryExW
MultiByteToWideChar
GetCurrentProcess
CreateProcessW
GetTickCount64
IsWow64Process
SetLastError
GetFileSizeEx
WaitForSingleObject
ResumeThread
CreateDirectoryW
GetTempPathW
LocalFree
WriteConsoleW
SetStdHandle
SetEnvironmentVariableW
FreeEnvironmentStringsW
CreateFileMappingW
GetCurrentProcessId
Sleep
GetProcessHeap
CloseHandle
GetEnvironmentStringsW
GetCommandLineW
GetCommandLineA
FindNextFileW
FindFirstFileExW
FindClose
GetOEMCP
GetACP
IsValidCodePage
GetTimeZoneInformation
SetFilePointerEx
GetConsoleMode
GetConsoleOutputCP
FlushFileBuffers
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
CompareStringW
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
TryAcquireSRWLockExclusive
GetCurrentThreadId
WideCharToMultiByte
WaitForSingleObjectEx
GetExitCodeThread
GetStringTypeW
EnterCriticalSection
LeaveCriticalSection
QueryPerformanceCounter
EncodePointer
CompareStringEx
GetCPInfo
LCMapStringEx
WakeAllConditionVariable
SleepConditionVariableSRW
GetSystemTimeAsFileTime
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
InitializeSListHead
OutputDebugStringW
RaiseException
RtlPcToFileHeader
RtlUnwindEx
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
ExitProcess
GetModuleHandleExW
CreateThread
ExitThread
FreeLibraryAndExitThread
GetStdHandle
GetFileType
user32
MessageBoxA
MessageBoxW
advapi32
SetNamedSecurityInfoW
GetNamedSecurityInfoW
SetEntriesInAclW
ConvertStringSidToSidW
shell32
SHGetFolderPathW
ole32
CoInitializeEx
CoUninitialize
oleaut32
SafeArrayCreate
SafeArrayAccessData
SafeArrayUnaccessData
VariantInit
mscoree
CLRCreateInstance
CorBindToRuntime
wininet
HttpQueryInfoA
InternetOpenA
InternetOpenUrlA
InternetReadFile
version
VerQueryValueW
GetFileVersionInfoW
GetFileVersionInfoSizeW
winmm
PlaySoundW
Sections
.text Size: 605KB - Virtual size: 604KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 218KB - Virtual size: 217KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 8KB - Virtual size: 17KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 24KB - Virtual size: 23KB
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: 836KB - Virtual size: 836KB
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