Behavioral task
behavioral1
Sample
38c0b2e908eaa9247741ebdd4e250e526f59e39c5fb177ddb0fdc955a81d1d1e.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
38c0b2e908eaa9247741ebdd4e250e526f59e39c5fb177ddb0fdc955a81d1d1e.exe
Resource
win10v2004-20230915-en
General
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Target
38c0b2e908eaa9247741ebdd4e250e526f59e39c5fb177ddb0fdc955a81d1d1e
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Size
1.3MB
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MD5
796d2c7e350717611e8359699d412d0e
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SHA1
1b0f70987a757d508624e0bbf49d2e243b33fe3b
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SHA256
38c0b2e908eaa9247741ebdd4e250e526f59e39c5fb177ddb0fdc955a81d1d1e
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SHA512
1523161f9bede1540ed57d06eba0217375a12cb8873616630e7095ba5aff9882f352c9e46667afc9c1bf46d5b9d0a94b17412e5130e38e32e018ae45c21983cf
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SSDEEP
24576:UyJReY61Xsk3n1DZCcplGY4KfTaDSVXT5XwWplFAVhya:UyveY61Xsq1DZbpLn7XT5XwWzFAVh1
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 38c0b2e908eaa9247741ebdd4e250e526f59e39c5fb177ddb0fdc955a81d1d1e
Files
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38c0b2e908eaa9247741ebdd4e250e526f59e39c5fb177ddb0fdc955a81d1d1e.exe windows:6 windows x64
573d0bb9d5a24dc4e4ba7f0c6ee55754
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
UnmapViewOfFile
GetProcAddress
LoadLibraryW
CreateFileW
ReadFile
WriteFile
GetLastError
WaitNamedPipeW
GetModuleHandleA
LoadLibraryA
GetPrivateProfileStringW
WritePrivateProfileStringW
GetModuleHandleW
LoadResource
LockResource
SizeofResource
FindResourceW
GetTempPathW
DecodePointer
HeapAlloc
HeapReAlloc
HeapFree
MapViewOfFile
GetProcessHeap
InitializeCriticalSectionEx
DeleteCriticalSection
CreateProcessW
GetTickCount
GetModuleFileNameW
GetFileAttributesW
FreeLibrary
LoadLibraryExW
MultiByteToWideChar
GetCurrentProcess
IsWow64Process
SetLastError
WaitForSingleObject
ResumeThread
CreateDirectoryW
LocalFree
WriteConsoleW
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineW
CreateFileMappingW
GetCurrentProcessId
Sleep
HeapSize
CloseHandle
GetCommandLineA
GetOEMCP
GetACP
IsValidCodePage
FindNextFileW
FindFirstFileExW
FindClose
GetTimeZoneInformation
SetStdHandle
GetFullPathNameW
GetCurrentDirectoryW
SetFilePointerEx
GetConsoleMode
GetConsoleOutputCP
FlushFileBuffers
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
CompareStringW
WideCharToMultiByte
GetStringTypeW
WaitForSingleObjectEx
GetCurrentThreadId
GetExitCodeThread
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
TryAcquireSRWLockExclusive
EnterCriticalSection
LeaveCriticalSection
EncodePointer
LCMapStringEx
QueryPerformanceCounter
CompareStringEx
GetCPInfo
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree
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
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: 358KB - Virtual size: 357KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 119KB - Virtual size: 119KB
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: 16KB
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: 848KB - Virtual size: 847KB
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