Behavioral task
behavioral1
Sample
25335121e87c5812e058de0037e760967194f19e4fbeb91509ac4ed4d70189b3.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
25335121e87c5812e058de0037e760967194f19e4fbeb91509ac4ed4d70189b3.exe
Resource
win10v2004-20240226-en
General
-
Target
25335121e87c5812e058de0037e760967194f19e4fbeb91509ac4ed4d70189b3
-
Size
1.6MB
-
MD5
ec4739b5ac2acca4a16fa96c31bb9a12
-
SHA1
2f188c557d687f031c2ae08a109d0c5f05145892
-
SHA256
25335121e87c5812e058de0037e760967194f19e4fbeb91509ac4ed4d70189b3
-
SHA512
00385939fbfbc235c883ed50ca92f3f17ad95998727f31412ca890ad309c1f11a55202aeb99a846165f353d9b5d27ad562a55c13f8ae8f0eaed5edb85e1d9fcb
-
SSDEEP
24576:/0yOdKnqj9MNrOoThmBZTsl3WaPECkDtGQjnEd7DSVXT5X1hn:cSqj9MxOt83J/kwonPXT5X1h
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 25335121e87c5812e058de0037e760967194f19e4fbeb91509ac4ed4d70189b3
Files
-
25335121e87c5812e058de0037e760967194f19e4fbeb91509ac4ed4d70189b3.exe windows:6 windows x64 arch:x64
b1fab34c6e733373b727b878d65b4377
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
UnmapViewOfFile
CreateFileMappingW
MapViewOfFile
Sleep
GetCurrentProcessId
LoadLibraryW
GetProcAddress
WaitNamedPipeW
GetLastError
CreateFileW
ReadFile
WriteFile
GetModuleHandleA
LoadLibraryA
GetPrivateProfileStringW
WritePrivateProfileStringW
GetModuleHandleW
FindResourceW
LoadResource
SizeofResource
LockResource
InitializeCriticalSectionEx
DeleteCriticalSection
DecodePointer
GetModuleFileNameW
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
GetProcessHeap
CreateProcessW
GetTickCount
GetTempPathW
GetFileAttributesW
LoadLibraryExW
FreeLibrary
MultiByteToWideChar
GetCurrentProcess
IsWow64Process
SetLastError
ResumeThread
WaitForSingleObject
GetFileSizeEx
CreateDirectoryW
RaiseException
WriteConsoleW
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineW
GetCommandLineA
GetOEMCP
GetACP
IsValidCodePage
FindNextFileW
FindFirstFileExW
FindClose
GetTimeZoneInformation
SetStdHandle
GetFullPathNameW
GetCurrentDirectoryW
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
CompareStringW
GetConsoleMode
GetConsoleOutputCP
FlushFileBuffers
SetFilePointerEx
LocalFree
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
RtlUnwindEx
RtlPcToFileHeader
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetDriveTypeW
GetFileInformationByHandle
GetFileType
PeekNamedPipe
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
ExitProcess
GetModuleHandleExW
CreateThread
ExitThread
FreeLibraryAndExitThread
GetStdHandle
user32
MessageBoxW
MessageBoxA
SetProcessDPIAware
shell32
SHGetFolderPathW
ole32
CoInitializeEx
CoUninitialize
oleaut32
SysFreeString
SysAllocString
VariantInit
SafeArrayCreate
SafeArrayAccessData
SafeArrayUnaccessData
mscoree
CLRCreateInstance
CorBindToRuntime
wininet
InternetOpenUrlA
InternetOpenA
InternetReadFile
version
VerQueryValueW
GetFileVersionInfoW
GetFileVersionInfoSizeW
winmm
PlaySoundW
Sections
.text Size: 396KB - Virtual size: 396KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 154KB - Virtual size: 154KB
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: 16KB - Virtual size: 15KB
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