Behavioral task
behavioral1
Sample
65b31435a72b07967435dabdd20a5cb4a4656786b4bcb73569e52734300efce4.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
65b31435a72b07967435dabdd20a5cb4a4656786b4bcb73569e52734300efce4.exe
Resource
win10v2004-20231020-en
General
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Target
65b31435a72b07967435dabdd20a5cb4a4656786b4bcb73569e52734300efce4
-
Size
1.9MB
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MD5
c6592c5ee0ad6a22f1ae6a1758c48fc9
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SHA1
4aa8903d2e37db1a7eccaf6c1a40d025c00f49aa
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SHA256
65b31435a72b07967435dabdd20a5cb4a4656786b4bcb73569e52734300efce4
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SHA512
259acb48cf1a0ff8311f9bac479ac08a6932df9b0a4dfef2eb547ae78194e6b024b4a8a1dcac1cd23266a71c3169460d4ecdd9743d23b5920ccaaa820200fa6d
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SSDEEP
49152:epa78/piiXYjvwTvi3LqUesDYrl3q/w77mPIy/nXT5XS/1:kxXBq/+8D5C/1
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 65b31435a72b07967435dabdd20a5cb4a4656786b4bcb73569e52734300efce4
Files
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65b31435a72b07967435dabdd20a5cb4a4656786b4bcb73569e52734300efce4.exe windows:6 windows x64
7d29f7d4084aee0d45973bb4ed3adb83
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
MapViewOfFile
UnmapViewOfFile
GetProcAddress
LoadLibraryW
CreateFileW
WriteFile
GetTempPathW
DecodePointer
GetLastError
HeapAlloc
HeapReAlloc
HeapFree
HeapSize
GetProcessHeap
InitializeCriticalSectionEx
DeleteCriticalSection
CreateProcessW
GetTickCount
GetModuleFileNameW
GetModuleHandleW
ReadFile
WaitNamedPipeW
GetModuleHandleA
LoadLibraryA
CreateFileMappingW
WritePrivateProfileStringW
LoadResource
LockResource
SizeofResource
FindResourceW
GetFileAttributesW
FreeLibrary
LoadLibraryExW
MultiByteToWideChar
GetCurrentProcess
GetTickCount64
IsWow64Process
SetLastError
WaitForSingleObject
ResumeThread
CreateDirectoryW
LocalFree
WriteConsoleW
SetStdHandle
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCurrentProcessId
Sleep
CloseHandle
GetPrivateProfileStringW
WideCharToMultiByte
GetCommandLineW
GetCommandLineA
FindNextFileW
FindFirstFileExW
FindClose
GetOEMCP
GetACP
IsValidCodePage
SetFilePointerEx
GetConsoleMode
GetConsoleOutputCP
FlushFileBuffers
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
GetFileType
GetStdHandle
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
TryAcquireSRWLockExclusive
GetCurrentThreadId
WaitForSingleObjectEx
GetExitCodeThread
GetStringTypeW
EnterCriticalSection
LeaveCriticalSection
QueryPerformanceCounter
EncodePointer
CompareStringEx
GetCPInfo
LCMapStringEx
WakeAllConditionVariable
SleepConditionVariableSRW
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree
GetSystemTimeAsFileTime
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
InitializeSListHead
OutputDebugStringW
RaiseException
RtlPcToFileHeader
RtlUnwindEx
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
CreateThread
ExitThread
FreeLibraryAndExitThread
GetModuleHandleExW
ExitProcess
user32
SetProcessDPIAware
MessageBoxA
MessageBoxW
advapi32
SetNamedSecurityInfoW
GetNamedSecurityInfoW
SetEntriesInAclW
ConvertStringSidToSidW
shell32
SHGetFolderPathW
ole32
CoInitializeEx
CoUninitialize
oleaut32
SysAllocString
SysFreeString
SafeArrayCreate
SafeArrayAccessData
SafeArrayUnaccessData
VariantInit
mscoree
CorBindToRuntime
CLRCreateInstance
wininet
InternetReadFile
InternetOpenUrlA
InternetOpenA
HttpQueryInfoA
version
VerQueryValueW
GetFileVersionInfoW
GetFileVersionInfoSizeW
winmm
PlaySoundW
Sections
.text Size: 758KB - Virtual size: 758KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 352KB - Virtual size: 351KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 9KB - Virtual size: 84KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 29KB - Virtual size: 28KB
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: 827KB - Virtual size: 827KB
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