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Behavioral task
behavioral1
Sample
a51c2e74f8a83c81add53cd946ad8234920fca6bdc979828880b6747131a88b5.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
a51c2e74f8a83c81add53cd946ad8234920fca6bdc979828880b6747131a88b5.exe
Resource
win10v2004-20230703-en
General
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Target
a51c2e74f8a83c81add53cd946ad8234920fca6bdc979828880b6747131a88b5
-
Size
1.2MB
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MD5
ac2db6d59ccd80d9bfbdb4382710de67
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SHA1
a0216971bcf1176b7d2464f8647e6c24aabd8764
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SHA256
a51c2e74f8a83c81add53cd946ad8234920fca6bdc979828880b6747131a88b5
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SHA512
fb94dc5841490148ed53311b49c1e9c25780757afe0dd121f3d574fdf162d47903e952266cd9c44979d55318cb6fc5a9a329f7fd745c4851c1ede95b6fc12254
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SSDEEP
24576:GcnP6yuBwtne73MktmYjU38gAs+KipJyauDSVXT5Xfs:bP6LBwtnejMYU38q+jJ1jXT5Xf
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 a51c2e74f8a83c81add53cd946ad8234920fca6bdc979828880b6747131a88b5
Files
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a51c2e74f8a83c81add53cd946ad8234920fca6bdc979828880b6747131a88b5.exe windows x64
56dc8822e31f6094fb71ead4fa8af4d6
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
Sleep
GetCurrentProcessId
CreateFileMappingW
MapViewOfFile
UnmapViewOfFile
GetProcAddress
LoadLibraryW
CreateFileW
ReadFile
WriteFile
GetLastError
WaitNamedPipeW
GetModuleHandleA
LoadLibraryA
GetPrivateProfileStringW
WritePrivateProfileStringW
GetModuleHandleW
LoadResource
LockResource
SizeofResource
FindResourceW
DecodePointer
HeapAlloc
HeapReAlloc
HeapFree
HeapSize
GetProcessHeap
InitializeCriticalSectionEx
DeleteCriticalSection
GetFileAttributesW
FreeLibrary
GetModuleFileNameW
LoadLibraryExW
MultiByteToWideChar
GetCurrentProcess
IsWow64Process
SetLastError
WaitForSingleObject
ResumeThread
CreateDirectoryW
GetTempPathW
WriteConsoleW
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineW
GetCommandLineA
GetOEMCP
GetACP
IsValidCodePage
FindNextFileW
FindFirstFileExW
FindClose
GetTimeZoneInformation
SetStdHandle
GetFullPathNameW
GetCurrentDirectoryW
SetFilePointerEx
GetConsoleMode
GetConsoleOutputCP
FlushFileBuffers
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
LocalFree
WideCharToMultiByte
GetStringTypeW
WaitForSingleObjectEx
GetCurrentThreadId
GetExitCodeThread
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
TryAcquireSRWLockExclusive
EnterCriticalSection
LeaveCriticalSection
EncodePointer
LCMapStringEx
QueryPerformanceCounter
WakeAllConditionVariable
SleepConditionVariableSRW
CompareStringEx
GetCPInfo
GetSystemTimeAsFileTime
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
InitializeSListHead
OutputDebugStringW
RaiseException
RtlPcToFileHeader
RtlUnwindEx
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
ExitProcess
GetModuleHandleExW
GetDriveTypeW
GetFileInformationByHandle
GetFileType
PeekNamedPipe
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
CreateThread
ExitThread
FreeLibraryAndExitThread
GetStdHandle
CompareStringW
user32
MessageBoxA
MessageBoxW
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: 350KB - Virtual size: 349KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 120KB - Virtual size: 120KB
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: 781KB - Virtual size: 781KB
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