Behavioral task
behavioral1
Sample
23db5083a02a9600987d7d6a39ab71e3e27412c4e5c88feb339d3795d9603d21.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
23db5083a02a9600987d7d6a39ab71e3e27412c4e5c88feb339d3795d9603d21.exe
Resource
win10v2004-20240426-en
General
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Target
23db5083a02a9600987d7d6a39ab71e3e27412c4e5c88feb339d3795d9603d21
-
Size
904KB
-
MD5
5519cfc1ad026edc87d3cdc1ae5eb480
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SHA1
9302f7ae7d59364cd725ee577e6aa44272e876da
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SHA256
23db5083a02a9600987d7d6a39ab71e3e27412c4e5c88feb339d3795d9603d21
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SHA512
4484a2814e493df3212ce64d522fb12bd39d45c1974293935a7c8928455a0293454e14a0d886ee3f42c3b877bc006a81438f2df58cb31d3f7a306bc90cdc0183
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SSDEEP
24576:cAjQiHz39MLcCmArz+Z8HhT9TIc+CG/uDSuW:gUrOLcCmAX+Od29oW
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.
Processes:
resource yara_rule sample r77_payload -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource 23db5083a02a9600987d7d6a39ab71e3e27412c4e5c88feb339d3795d9603d21
Files
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23db5083a02a9600987d7d6a39ab71e3e27412c4e5c88feb339d3795d9603d21.exe windows:6 windows x64 arch:x64
8b757302dc65999e14ba2e5947e4ead1
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
WideCharToMultiByte
GetStringTypeW
WaitForSingleObjectEx
GetCurrentThreadId
GetExitCodeThread
InitializeSRWLock
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
EnterCriticalSection
LeaveCriticalSection
TryEnterCriticalSection
EncodePointer
LCMapStringEx
QueryPerformanceCounter
GetSystemTimeAsFileTime
CompareStringEx
GetCPInfo
InitializeCriticalSectionAndSpinCount
CreateEventW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
InitializeSListHead
OutputDebugStringW
RaiseException
RtlUnwindEx
RtlPcToFileHeader
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetDriveTypeW
GetFileInformationByHandle
GetFileType
PeekNamedPipe
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
ExitProcess
GetModuleHandleExW
CreateThread
ExitThread
FreeLibraryAndExitThread
GetStdHandle
SetFilePointerEx
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
user32
MessageBoxW
MessageBoxA
advapi32
SetEntriesInAclW
ConvertStringSidToSidW
GetNamedSecurityInfoW
SetNamedSecurityInfoW
shell32
SHGetFolderPathW
ole32
CoInitializeEx
CoUninitialize
oleaut32
SysFreeString
SysAllocString
mscoree
CorBindToRuntime
CLRCreateInstance
wininet
InternetOpenUrlA
InternetReadFile
InternetOpenA
version
VerQueryValueW
GetFileVersionInfoSizeW
GetFileVersionInfoW
winmm
PlaySoundW
Sections
.text Size: 396KB - Virtual size: 395KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 126KB - Virtual size: 125KB
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: 18KB - 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: 839KB - Virtual size: 838KB
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