Static task
static1
Behavioral task
behavioral1
Sample
$R4UBC5O.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
$R4UBC5O.exe
Resource
win10v2004-20241007-en
General
-
Target
$R4UBC5O.exe
-
Size
208KB
-
MD5
40f7ef5677b0ab00743c0a66b2d9c96a
-
SHA1
a3b64e7d2731a21d9b574ab3f3a804474d5ce3ff
-
SHA256
eb841ffe2d0c66d018d4d53b6a787a61c405c28def7bed3274814dddf793ae4a
-
SHA512
9d8fd1de044f8bb399d6b6003abb573ecf00bfc270fa4d2c19f1d97d3dbc040557acf838e4673d5b859817aa9e76d008a5ac999320ee2b0ded409fe7de624689
-
SSDEEP
3072:wZ4mW1Q1X5y/62wLAebhfcZsPj9w1RBeg8+/yGNV:i4ZA5862w79kZYkRBeA
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource $R4UBC5O.exe
Files
-
$R4UBC5O.exe.exe windows:5 windows x86 arch:x86
4579d21a0e9605f673d9c393af3cdfd9
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
GetLocaleInfoA
HeapAlloc
SystemTimeToFileTime
InterlockedDecrement
ReadConsoleOutputAttribute
HeapFree
GetProfileSectionA
SetComputerNameW
GetTimeFormatA
SetEvent
GetNumaAvailableMemoryNode
GlobalAlloc
LoadLibraryW
GetFileAttributesA
LocalReAlloc
GetModuleFileNameW
CreateFileW
MultiByteToWideChar
FindNextVolumeMountPointW
RaiseException
CreateJobObjectA
SetThreadLocale
GetLastError
HeapSize
GetAtomNameA
FindAtomA
CreatePipe
BuildCommDCBA
VirtualProtect
GetCurrentDirectoryA
SetCalendarInfoA
HeapReAlloc
GetCommandLineA
HeapSetInformation
GetStartupInfoW
TerminateProcess
GetCurrentProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
GetProcAddress
GetModuleHandleW
ExitProcess
DecodePointer
WriteFile
GetStdHandle
HeapCreate
EncodePointer
GetModuleFileNameA
FreeEnvironmentStringsW
WideCharToMultiByte
GetEnvironmentStringsW
SetHandleCount
InitializeCriticalSectionAndSpinCount
GetFileType
DeleteCriticalSection
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
InterlockedIncrement
SetLastError
GetCurrentThreadId
QueryPerformanceCounter
GetTickCount
GetCurrentProcessId
GetSystemTimeAsFileTime
LeaveCriticalSection
EnterCriticalSection
GetCPInfo
GetACP
GetOEMCP
IsValidCodePage
Sleep
RtlUnwind
LCMapStringW
GetStringTypeW
IsProcessorFeaturePresent
user32
GetMonitorInfoW
Sections
.text Size: 20KB - Virtual size: 19KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 90KB - Virtual size: 89KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 9KB - Virtual size: 253KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 88KB - Virtual size: 87KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ