Behavioral task
behavioral1
Sample
Nursultan.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
Nursultan.exe
Resource
win10v2004-20241007-en
General
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Target
Nursultan.rar
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Size
7.6MB
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MD5
a8ec4989c64da9c63e8825c78023e336
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SHA1
a8e2b32cba485a531ae35dce674a79c15ae92369
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SHA256
6f82cc68a2096433ec78add9d6fc07d780917c2e3c0b55625d3c9c59af59ba37
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SHA512
2b6024fa0850602e0e8b78de621620d745bb058ab8bc422acdcfc6d5c230fe23f86c27c461ae3f97b943127edaa7f75c59aa0e9af825dac5bcc3754aaf13454d
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SSDEEP
196608:FRSH5i/nNrtRJlCLRrTIVpdwyzXceQpUUKuYgA+QHFmQddb/+Td6XrW:WA/nNnfC1r03dz4pseA7lmPdiC
Malware Config
Signatures
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A stealer written in Python and packaged with Pyinstaller 1 IoCs
resource yara_rule static1/unpack002/'�AھR.pyc blankgrabber -
Blankgrabber family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/Nursultan.exe
Files
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Nursultan.rar.rar
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Configi/clearmc.file
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Configi/mcvision.file
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Configi/rapybox.file
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Configi/rapyprac.file
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Nursultan.exe.exe windows:6 windows x64 arch:x64
72c4e339b7af8ab1ed2eb3821c98713a
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
Imports
user32
CreateWindowExW
ShutdownBlockReasonCreate
MsgWaitForMultipleObjects
ShowWindow
DestroyWindow
RegisterClassW
DefWindowProcW
PeekMessageW
DispatchMessageW
TranslateMessage
PostMessageW
GetMessageW
MessageBoxW
MessageBoxA
SystemParametersInfoW
DestroyIcon
SetWindowLongPtrW
GetWindowLongPtrW
GetClientRect
InvalidateRect
ReleaseDC
GetDC
DrawTextW
GetDialogBaseUnits
EndDialog
DialogBoxIndirectParamW
MoveWindow
SendMessageW
comctl32
ord380
kernel32
GetACP
IsValidCodePage
GetStringTypeW
GetFileAttributesExW
SetEnvironmentVariableW
FlushFileBuffers
GetCurrentDirectoryW
LCMapStringW
CompareStringW
FlsFree
GetOEMCP
GetCPInfo
GetModuleHandleW
MulDiv
FormatMessageW
GetLastError
GetModuleFileNameW
LoadLibraryExW
SetDllDirectoryW
CreateSymbolicLinkW
GetProcAddress
GetEnvironmentStringsW
GetCommandLineW
GetEnvironmentVariableW
ExpandEnvironmentStringsW
DeleteFileW
FindClose
FindFirstFileW
FindNextFileW
GetDriveTypeW
RemoveDirectoryW
GetTempPathW
CloseHandle
QueryPerformanceCounter
QueryPerformanceFrequency
WaitForSingleObject
Sleep
GetCurrentProcess
TerminateProcess
GetExitCodeProcess
CreateProcessW
GetStartupInfoW
FreeLibrary
LocalFree
SetConsoleCtrlHandler
K32EnumProcessModules
K32GetModuleFileNameExW
CreateFileW
FindFirstFileExW
GetFinalPathNameByHandleW
MultiByteToWideChar
WideCharToMultiByte
FlsSetValue
FreeEnvironmentStringsW
GetProcessHeap
GetTimeZoneInformation
HeapSize
HeapReAlloc
WriteConsoleW
SetEndOfFile
CreateDirectoryW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsProcessorFeaturePresent
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
RtlUnwindEx
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
EncodePointer
RaiseException
RtlPcToFileHeader
GetCommandLineA
GetFileInformationByHandle
GetFileType
PeekNamedPipe
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
ReadFile
GetFullPathNameW
SetStdHandle
GetStdHandle
WriteFile
ExitProcess
GetModuleHandleExW
HeapFree
GetConsoleMode
ReadConsoleW
SetFilePointerEx
GetConsoleOutputCP
GetFileSizeEx
HeapAlloc
FlsAlloc
FlsGetValue
advapi32
OpenProcessToken
GetTokenInformation
ConvertStringSecurityDescriptorToSecurityDescriptorW
ConvertSidToStringSidW
gdi32
SelectObject
DeleteObject
CreateFontIndirectW
Sections
.text Size: 168KB - Virtual size: 167KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 75KB - Virtual size: 74KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 20KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 9KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 27KB - Virtual size: 27KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
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'�AھR.pyc