Behavioral task
behavioral1
Sample
58d0cda7efb9fcde2f7ecf81c8d2b79420720c9e1e2c8a69c41bb9343a141f6a.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
58d0cda7efb9fcde2f7ecf81c8d2b79420720c9e1e2c8a69c41bb9343a141f6a.exe
Resource
win10v2004-20231020-en
General
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Target
58d0cda7efb9fcde2f7ecf81c8d2b79420720c9e1e2c8a69c41bb9343a141f6a
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Size
1.9MB
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MD5
9440b67e62f9c2a631ed1ffcd4481397
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SHA1
16b946d7efbe05eaacc3e0d30d27751631c0bb8d
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SHA256
58d0cda7efb9fcde2f7ecf81c8d2b79420720c9e1e2c8a69c41bb9343a141f6a
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SHA512
fa33fa593d86a235d430e45195f60d089e8620f8b743534e1cdb40feb662d6de067a5e2b1d06e56198f1e5a15aad1e52506a5deb97ca383de81ab6d0cb703144
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SSDEEP
49152:R1x9qEJDOcVvEnMtS44r774ud24NC5XT5XS31:jDOcBEnQMr7MI2aC5D5C31
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 58d0cda7efb9fcde2f7ecf81c8d2b79420720c9e1e2c8a69c41bb9343a141f6a
Files
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58d0cda7efb9fcde2f7ecf81c8d2b79420720c9e1e2c8a69c41bb9343a141f6a.exe windows:6 windows x64
c75523da905fb30f39ee8eafc05d769f
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
Sleep
GetCurrentProcessId
LoadLibraryW
GetProcAddress
GetLastError
CreateFileW
WriteFile
InitializeCriticalSectionEx
DeleteCriticalSection
GetModuleHandleW
DecodePointer
GetModuleFileNameW
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
GetProcessHeap
CreateProcessW
GetTickCount
GetTempPathW
WaitNamedPipeW
ReadFile
GetModuleHandleA
LoadLibraryA
MapViewOfFile
WritePrivateProfileStringW
FindResourceW
LoadResource
SizeofResource
LockResource
GetFileAttributesW
LoadLibraryExW
FreeLibrary
MultiByteToWideChar
GetCurrentProcess
IsWow64Process
GetTickCount64
SetLastError
ResumeThread
WaitForSingleObject
LocalFree
CreateDirectoryW
WriteConsoleW
SetStdHandle
FreeEnvironmentStringsW
GetEnvironmentStringsW
CreateFileMappingW
UnmapViewOfFile
CloseHandle
GetPrivateProfileStringW
WideCharToMultiByte
GetCommandLineW
GetCommandLineA
FindNextFileW
FindFirstFileExW
FindClose
GetOEMCP
GetACP
IsValidCodePage
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
GetConsoleMode
GetConsoleOutputCP
FlushFileBuffers
SetFilePointerEx
GetFileType
GetStdHandle
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
TryAcquireSRWLockExclusive
GetCurrentThreadId
WaitForSingleObjectEx
GetExitCodeThread
GetStringTypeW
EnterCriticalSection
LeaveCriticalSection
EncodePointer
CompareStringEx
GetCPInfo
LCMapStringEx
QueryPerformanceCounter
WakeAllConditionVariable
SleepConditionVariableSRW
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree
GetSystemTimeAsFileTime
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
InitializeSListHead
OutputDebugStringW
RaiseException
RtlUnwindEx
RtlPcToFileHeader
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
CreateThread
ExitThread
FreeLibraryAndExitThread
GetModuleHandleExW
ExitProcess
user32
MessageBoxW
MessageBoxA
SetProcessDPIAware
advapi32
SetEntriesInAclW
ConvertStringSidToSidW
GetNamedSecurityInfoW
SetNamedSecurityInfoW
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: 766KB - Virtual size: 765KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 350KB - Virtual size: 350KB
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: 825KB - Virtual size: 824KB
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