Static task
static1
Behavioral task
behavioral1
Sample
RTCallUser.bin.dll
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
RTCallUser.bin.dll
Resource
win10v2004-20230220-en
General
-
Target
RTCallUser.bin.dll
-
Size
184KB
-
MD5
30c3d273fb3400344033e43cc96f967f
-
SHA1
c589fc0eadaedc9c0110b40aaebdfe0f5f096d4f
-
SHA256
83bb7bbafa5fda16da0c0abf50dc8fa771ecce6c53b9275970b7c2c642b96741
-
SHA512
e787e739a8f162d965a9e50a7e596de96373c149ea073ac22b9a6a6168c75ae11ab11fea99cc751df2aedb4dcf883cfba955896edd74dcc7fbe20e5036a22a7a
-
SSDEEP
3072:kx5mI7Fi7/17P3RtQyhzRP4iyNlFRd7w2In4K9/:kvjFmp3Rxp4xd7I4K9/
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource RTCallUser.bin.dll
Files
-
RTCallUser.bin.dll.dll windows x86
e9870576f5c1df46d95474a65cb2437c
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
DeleteFileA
VirtualProtect
ExitProcess
HeapAlloc
HeapFree
GetProcessHeap
WideCharToMultiByte
CloseHandle
DeviceIoControl
Sleep
FlushFileBuffers
GetCurrentDirectoryA
LoadLibraryA
GetLocalTime
GetProcAddress
WriteFile
GetCurrentProcess
MultiByteToWideChar
CreateFileA
GetCommandLineA
GetCurrentThreadId
IsDebuggerPresent
EncodePointer
DecodePointer
IsProcessorFeaturePresent
GetLastError
SetLastError
GetModuleHandleExW
GetStdHandle
GetFileType
DeleteCriticalSection
GetStartupInfoW
GetModuleFileNameA
QueryPerformanceCounter
GetCurrentProcessId
GetSystemTimeAsFileTime
GetEnvironmentStringsW
FreeEnvironmentStringsW
UnhandledExceptionFilter
SetUnhandledExceptionFilter
InitializeCriticalSectionAndSpinCount
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetModuleHandleW
EnterCriticalSection
LeaveCriticalSection
GetConsoleCP
GetConsoleMode
SetFilePointerEx
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetModuleFileNameW
LoadLibraryExW
RtlUnwind
HeapReAlloc
SetStdHandle
WriteConsoleW
GetStringTypeW
OutputDebugStringW
HeapSize
LCMapStringW
CreateFileW
user32
GetSystemMetrics
MessageBoxA
MapVirtualKeyW
advapi32
AdjustTokenPrivileges
LookupPrivilegeValueW
RegCreateKeyA
RegDeleteKeyA
RegSetValueExA
OpenProcessToken
RegCloseKey
Sections
.text Size: 52KB - Virtual size: 51KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 19KB - Virtual size: 18KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 56KB - Virtual size: 64KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.???0 Size: 51KB - Virtual size: 50KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.reloc Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 512B - Virtual size: 469B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ