Static task
static1
Behavioral task
behavioral1
Sample
CodeX_RBX.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
CodeX_RBX.exe
Resource
win10v2004-20240412-en
General
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Target
CodeX_RBX.rar
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Size
2.4MB
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MD5
3b3fbd6a16e3528a02c32933a9cce1d1
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SHA1
0b62f6ddc5d0bf31c0e9ccf7c7c6f4c31a4226fc
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SHA256
db252c120c909057a36a1917a8351216023dafb4d4d4bb24462667b40f1a557a
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SHA512
1617671346fa905439b926a48d4cb4f42460eda6a24ec797c5435fa09e5f1441a01121ecaf5488b3c6b47fa0824f4ef44b37740afd57791ef8eb1098c948500c
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SSDEEP
49152:JaSZMWuZA62tSsrESvKsCxiF5id+kry7DPHmR5Bt2Hv9v3VxE:JNMWzlysCxim4trGB8P9o
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/CodeX_RBX.exe
Files
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CodeX_RBX.rar.rar
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CodeX_RBX.exe.exe windows:6 windows x86 arch:x86
19233e39149f52fdb71945647d5026f4
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
user32
GetUpdateRgn
kernel32
FreeLibrary
CreateFileW
WaitForSingleObject
CloseHandle
FreeConsole
CreateThread
VirtualProtectEx
WideCharToMultiByte
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
EncodePointer
DecodePointer
MultiByteToWideChar
LCMapStringEx
GetStringTypeW
GetCPInfo
IsProcessorFeaturePresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
HeapSize
RaiseException
RtlUnwind
GetLastError
SetLastError
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
WriteConsoleW
GetProcAddress
LoadLibraryExW
GetStdHandle
WriteFile
GetModuleFileNameW
ExitProcess
GetModuleHandleExW
GetCommandLineA
GetCommandLineW
HeapAlloc
HeapFree
GetFileType
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
ReadFile
GetFileSizeEx
SetFilePointerEx
ReadConsoleW
HeapReAlloc
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
SetStdHandle
GetProcessHeap
Sections
.text Size: 130KB - Virtual size: 130KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.bss Size: 1024B - Virtual size: 969B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 39KB - Virtual size: 39KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 2.3MB - Virtual size: 2.3MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 7KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ