Static task
static1
Behavioral task
behavioral1
Sample
rbxfpsunlocker.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
rbxfpsunlocker.exe
Resource
win10v2004-20230220-en
General
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Target
230520-wfbk7adh75_pw_infected.zip
-
Size
210KB
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MD5
eb5ae3a09124a32023fc17163a7ccdae
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SHA1
5332cb48655da3316053ba126506449821d05bca
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SHA256
183ae70bcbaedefb2bc05f0d566603994d261f30ee01e21f1fe8b234e4b5c226
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SHA512
ca10048a44bb7f467f2469415bcd62fde07d61d9be535b2137c100809f02916f2fcc5e0f695742b27807002494f7cc231c83b17723645f3974b13b3d13a2314a
-
SSDEEP
6144:94K/37lPhkwuyBGIsuFyGIyjqTwlAF8k4XYyY7jhU8:iorlPhlykq6Adjh5
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack002/rbxfpsunlocker.exe
Files
-
230520-wfbk7adh75_pw_infected.zip.zip
Password: infected
-
rbxfpsunlocker-x64.zip.zip
-
rbxfpsunlocker.exe.exe windows x64
425d7c5209bd024f60a34a012e0490a7
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
SetConsoleTextAttribute
GetStdHandle
GetProcessId
CreateMutexA
Sleep
GetLastError
CloseHandle
ReadProcessMemory
CheckRemoteDebuggerPresent
GetExitCodeProcess
Process32First
K32EnumProcessModulesEx
OpenProcess
CreateToolhelp32Snapshot
K32GetModuleFileNameExA
QueryFullProcessImageNameA
Process32Next
K32GetModuleInformation
IsWow64Process
VirtualQueryEx
GetCurrentProcess
SetConsoleTitleA
TerminateThread
FreeConsole
CreateThread
GetConsoleScreenBufferInfo
AllocConsole
WriteConsoleW
HeapSize
SetStdHandle
GetProcessHeap
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineW
GetCommandLineA
GetOEMCP
GetACP
IsValidCodePage
HeapReAlloc
ReadConsoleW
ReadFile
GetConsoleMode
GetConsoleOutputCP
FlushFileBuffers
SetFilePointerEx
GetFileSizeEx
GetFileType
EnumSystemLocalesW
GetUserDefaultLCID
GetConsoleWindow
WriteProcessMemory
IsValidLocale
GetLocaleInfoW
LCMapStringW
HeapFree
LocalFree
FormatMessageA
GetLocaleInfoEx
CreateFileW
FindClose
FindFirstFileExW
FindNextFileW
GetFileInformationByHandle
AreFileApisANSI
GetModuleHandleW
GetProcAddress
GetFileInformationByHandleEx
MultiByteToWideChar
WideCharToMultiByte
QueryPerformanceCounter
QueryPerformanceFrequency
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree
InitializeCriticalSectionEx
GetSystemTimeAsFileTime
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
EncodePointer
DecodePointer
LCMapStringEx
CompareStringEx
GetCPInfo
GetStringTypeW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
GetCurrentProcessId
GetCurrentThreadId
InitializeSListHead
RtlUnwindEx
RtlPcToFileHeader
RaiseException
SetLastError
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
RtlUnwind
ExitProcess
GetModuleHandleExW
GetModuleFileNameW
WriteFile
HeapAlloc
SetEndOfFile
user32
GetWindowTextA
MessageBoxA
EnumWindows
IsWindowVisible
GetSystemMenu
GetMessageA
CheckMenuRadioItem
DispatchMessageA
LoadCursorA
CreatePopupMenu
TrackPopupMenu
ShowWindow
DefWindowProcA
CreateWindowExA
TranslateMessage
LoadIconA
AppendMenuA
CheckMenuItem
PostQuitMessage
EnableMenuItem
RegisterClassExA
SetForegroundWindow
GetCursorPos
GetWindowThreadProcessId
gdi32
GetStockObject
shell32
ShellExecuteA
Shell_NotifyIconA
wininet
InternetOpenA
InternetCloseHandle
InternetReadFile
InternetOpenUrlA
Sections
.text Size: 276KB - Virtual size: 275KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 99KB - Virtual size: 98KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 6KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 14KB - Virtual size: 14KB
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: 101KB - Virtual size: 100KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ