Behavioral task
behavioral1
Sample
a3f2c559fb0b6a4006ea8470807f2d0b0ecc3e74732fe76e193048d055218062.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
a3f2c559fb0b6a4006ea8470807f2d0b0ecc3e74732fe76e193048d055218062.exe
Resource
win10v2004-20241007-en
General
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Target
a3f2c559fb0b6a4006ea8470807f2d0b0ecc3e74732fe76e193048d055218062
-
Size
1.3MB
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MD5
9ee40ccf03a1f8618a845851b1bf1c6d
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SHA1
8cc704da1413e650f58ca67ca83aad8654815647
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SHA256
a3f2c559fb0b6a4006ea8470807f2d0b0ecc3e74732fe76e193048d055218062
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SHA512
f415dc2a0d4abd617205cbd325997661a873d8fef2d2230326f236a15ea0046de35d5efc2899d25acf6aed4bb5bf32b3b7fbbbb5c967c9e3c28af04437514fea
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SSDEEP
24576:UnXrUf+HEwwO6/DKFe52RUBX0OwcDSVXT5X4digf3kyax:KXra+8O6/DGeo9RXT5X4dr3k1x
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 a3f2c559fb0b6a4006ea8470807f2d0b0ecc3e74732fe76e193048d055218062
Files
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a3f2c559fb0b6a4006ea8470807f2d0b0ecc3e74732fe76e193048d055218062.exe windows:6 windows x64 arch:x64
28871e7fd41b875456d7742efbec7703
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
LoadLibraryW
GetProcAddress
WaitNamedPipeW
GetLastError
CreateFileW
ReadFile
WriteFile
GetModuleHandleA
LoadLibraryA
GetPrivateProfileStringW
WritePrivateProfileStringW
GetModuleHandleW
FindResourceW
LoadResource
SizeofResource
LockResource
InitializeCriticalSectionEx
DeleteCriticalSection
DecodePointer
HeapAlloc
Sleep
HeapReAlloc
HeapSize
GetProcessHeap
GetTempPathW
GetFileAttributesW
GetModuleFileNameW
LoadLibraryExW
FreeLibrary
MultiByteToWideChar
GetCurrentProcess
IsWow64Process
SetLastError
ResumeThread
WaitForSingleObject
LocalFree
CreateDirectoryW
WriteConsoleW
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
MapViewOfFile
CreateFileMappingW
UnmapViewOfFile
HeapFree
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
TryAcquireSRWLockExclusive
EnterCriticalSection
LeaveCriticalSection
EncodePointer
LCMapStringEx
QueryPerformanceCounter
CompareStringEx
GetCPInfo
GetSystemTimeAsFileTime
InitializeCriticalSectionAndSpinCount
CreateEventW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
InitializeSListHead
OutputDebugStringW
RaiseException
RtlUnwindEx
RtlPcToFileHeader
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
RtlUnwind
GetDriveTypeW
GetFileInformationByHandle
GetFileType
PeekNamedPipe
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
ExitProcess
GetModuleHandleExW
CreateThread
ExitThread
FreeLibraryAndExitThread
GetStdHandle
SetFilePointerEx
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
user32
MessageBoxA
MessageBoxW
advapi32
SetEntriesInAclW
ConvertStringSidToSidW
GetNamedSecurityInfoW
SetNamedSecurityInfoW
shell32
SHGetFolderPathW
ole32
CoInitializeEx
CoUninitialize
oleaut32
SysFreeString
SysAllocString
mscoree
CorBindToRuntime
CLRCreateInstance
wininet
InternetOpenUrlA
InternetOpenA
InternetReadFile
version
GetFileVersionInfoSizeW
VerQueryValueW
GetFileVersionInfoW
winmm
PlaySoundW
Sections
.text Size: 350KB - Virtual size: 350KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 124KB - Virtual size: 124KB
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: 819KB - Virtual size: 818KB
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