RRInstaller.pdb
Static task
static1
Behavioral task
behavioral1
Sample
rrinstaller.exe
Resource
win10v2004-20240226-en
General
-
Target
rrinstaller.exe
-
Size
47KB
-
MD5
e5face634ea569edcdce0ff46de443c7
-
SHA1
f6ba7b10a20c815f4e2fd32b7b8da80a26f34b4e
-
SHA256
162c88d66c0de35f6d3fcd02084459f9d4a6e08d89bdda8d1801955a4cd48a70
-
SHA512
a77f6d940096ce4803af3fa9ae91419d6b84f25cb59b159e766dc0d5b2153ee6a193fdb3250b07756f5ace394089c72684303d070d9451d288a4b96ab3ffc647
-
SSDEEP
768:VNQdSEDN95arVSU8HsrBz+NwONDhel46K74PBeRUR3UqMIYGquyzicIEIRvzSXir:VNySmNVEF6wclel46nKUR3UqLLquy4EU
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource rrinstaller.exe
Files
-
rrinstaller.exe.exe windows:10 windows x64 arch:x64
0f7716c51d703df0fea1b2ee96b8c0c7
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
PDB Paths
Imports
msvcrt
_amsg_exit
_callnewh
_wcmdln
__C_specific_handler
_fmode
_initterm
_exit
_unlock
__dllonexit
exit
_XcptFilter
_onexit
_errno
__set_app_type
__setusermatherr
realloc
_cexit
?terminate@@YAXXZ
__wgetmainargs
_commode
_purecall
wcsstr
_vscwprintf
vswprintf_s
memcpy
memmove_s
memcpy_s
malloc
wcsncpy_s
free
_lock
memset
oleaut32
SysFreeString
SysAllocStringLen
SysStringLen
VarUI4FromStr
SysAllocString
api-ms-win-core-synch-l1-1-0
DeleteCriticalSection
LeaveCriticalSection
InitializeCriticalSection
EnterCriticalSection
SetEvent
api-ms-win-core-errorhandling-l1-1-0
UnhandledExceptionFilter
SetUnhandledExceptionFilter
SetLastError
GetLastError
RaiseException
api-ms-win-core-libraryloader-l1-2-0
FindResourceExW
LoadLibraryExA
FreeLibrary
GetModuleFileNameW
LoadResource
LockResource
LoadLibraryExW
GetModuleHandleW
GetProcAddress
LoadStringW
SizeofResource
api-ms-win-core-com-l1-1-0
StringFromCLSID
CoTaskMemFree
CoCreateInstance
CoTaskMemAlloc
CoUninitialize
CoInitializeEx
CoTaskMemRealloc
CLSIDFromString
api-ms-win-core-processthreads-l1-1-0
GetCurrentThreadId
GetStartupInfoW
TerminateProcess
GetCurrentProcess
GetCurrentProcessId
CreateThread
api-ms-win-core-string-l2-1-0
CharNextW
api-ms-win-core-registry-l1-1-0
RegEnumKeyExW
RegCloseKey
RegOpenKeyExW
RegDeleteValueW
RegSetValueExW
RegQueryInfoKeyW
RegCreateKeyExW
api-ms-win-core-string-obsolete-l1-1-0
lstrcmpiW
api-ms-win-core-string-l1-1-0
MultiByteToWideChar
api-ms-win-core-localization-l1-2-0
FormatMessageW
api-ms-win-core-heap-l2-1-0
LocalFree
api-ms-win-core-heap-l1-1-0
HeapAlloc
HeapSize
HeapDestroy
HeapFree
GetProcessHeap
HeapReAlloc
api-ms-win-core-memory-l1-1-0
VirtualFree
VirtualAlloc
api-ms-win-core-util-l1-1-0
DecodePointer
EncodePointer
api-ms-win-core-processthreads-l1-1-1
FlushInstructionCache
api-ms-win-core-interlocked-l1-1-0
InterlockedPushEntrySList
InterlockedPopEntrySList
api-ms-win-core-synch-l1-2-0
Sleep
api-ms-win-core-rtlsupport-l1-1-0
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
api-ms-win-core-profile-l1-1-0
QueryPerformanceCounter
api-ms-win-core-sysinfo-l1-1-0
GetSystemTimeAsFileTime
GetTickCount
api-ms-win-core-debug-l1-1-0
OutputDebugStringA
api-ms-win-core-handle-l1-1-0
CloseHandle
api-ms-win-core-delayload-l1-1-1
ResolveDelayLoadedAPI
api-ms-win-core-delayload-l1-1-0
DelayLoadFailureHook
Sections
.text Size: 29KB - Virtual size: 28KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 12KB - Virtual size: 11KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.didat Size: 512B - Virtual size: 200B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 324B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ