Behavioral task
behavioral1
Sample
2b539bceaeb3fea1ad07835a3a0da8e006f76346fba0e42051479abd9fa3cd45.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
2b539bceaeb3fea1ad07835a3a0da8e006f76346fba0e42051479abd9fa3cd45.exe
Resource
win10v2004-20230915-en
General
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Target
2b539bceaeb3fea1ad07835a3a0da8e006f76346fba0e42051479abd9fa3cd45
-
Size
1.6MB
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MD5
7002543f8ba186e23c7e134073e02838
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SHA1
9e87b5f268a8e145fbf3cbd9a42b8aaf94fdcb3b
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SHA256
2b539bceaeb3fea1ad07835a3a0da8e006f76346fba0e42051479abd9fa3cd45
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SHA512
7d59fb6312ac9f85d2cec24b1c22fa13b4910de2e09c514a926664b0529aecf57c07c0057dedd8db6f9f9cc11a7a2ccb7b40f3020995c0d058eae097893e178c
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SSDEEP
49152:iEYQEI/9l9jG9FV0Pxz26R7OjBXT5Xr1:ZUgqV0NR7kBD571
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 2b539bceaeb3fea1ad07835a3a0da8e006f76346fba0e42051479abd9fa3cd45
Files
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2b539bceaeb3fea1ad07835a3a0da8e006f76346fba0e42051479abd9fa3cd45.exe windows:6 windows x64
0768a4538089c9fb1394fecc35788a70
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
DecodePointer
GetLastError
HeapAlloc
HeapReAlloc
HeapFree
HeapSize
GetProcessHeap
InitializeCriticalSectionEx
DeleteCriticalSection
CreateFileW
ReadFile
WriteFile
WaitNamedPipeW
GetModuleHandleA
LoadLibraryA
GetPrivateProfileStringW
WritePrivateProfileStringW
GetModuleHandleW
LoadResource
LockResource
MapViewOfFile
FindResourceW
GetFileAttributesW
FreeLibrary
GetModuleFileNameW
LoadLibraryExW
MultiByteToWideChar
GetCurrentProcess
CreateProcessW
GetTickCount64
IsWow64Process
SetLastError
WaitForSingleObject
ResumeThread
CreateDirectoryW
GetTempPathW
LocalFree
WriteConsoleW
SetStdHandle
FreeEnvironmentStringsW
GetEnvironmentStringsW
CreateFileMappingW
GetCurrentProcessId
Sleep
SizeofResource
CloseHandle
GetCommandLineW
GetCommandLineA
FindNextFileW
FindFirstFileExW
FindClose
GetOEMCP
GetACP
IsValidCodePage
SetFilePointerEx
GetConsoleMode
GetConsoleOutputCP
FlushFileBuffers
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
GetFileType
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
TryAcquireSRWLockExclusive
GetCurrentThreadId
WideCharToMultiByte
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
GetStdHandle
user32
SetProcessDPIAware
MessageBoxA
MessageBoxW
advapi32
SetNamedSecurityInfoW
GetNamedSecurityInfoW
SetEntriesInAclW
ConvertStringSidToSidW
shell32
SHGetFolderPathW
ole32
CoInitializeEx
CoUninitialize
oleaut32
SafeArrayCreate
SafeArrayAccessData
SafeArrayUnaccessData
VariantInit
mscoree
CLRCreateInstance
CorBindToRuntime
wininet
InternetOpenUrlA
InternetOpenA
HttpQueryInfoA
InternetReadFile
version
GetFileVersionInfoSizeW
GetFileVersionInfoW
VerQueryValueW
winmm
PlaySoundW
Sections
.text Size: 604KB - Virtual size: 604KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 220KB - Virtual size: 220KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 8KB - Virtual size: 18KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 23KB - Virtual size: 23KB
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: 824KB - 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