Behavioral task
behavioral1
Sample
st33ler.zip
Resource
win10v2004-20231215-en
General
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Target
st33ler.zip
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Size
96.1MB
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MD5
2c6ac4e383be694cf321b61f206a50d5
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SHA1
14459b22703f384126b740c1d91e6ab06129a1b9
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SHA256
f07cfc07bd67baa43f5c1742cfb46f1352f6e92a93a22447e9213c2d347ce010
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SHA512
9e6d58e9971b939cbafd77b4174fcbafc6c2d01e2e66bd0a37c5ca093c2324d1380b2bfe9a2bbf3233d7902d1a6ee84cbc961ea331248e3fdfa36ecfd8a93cd4
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SSDEEP
3145728:h6K3W4m2RJJszAozk8a5+z6hqjq8Jc6XrMsBEKAXMy1O:h6BP2lszks6NiTEKAXH1O
Malware Config
Signatures
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Detects Pyinstaller 1 IoCs
resource yara_rule static1/unpack001/st33ler/sc.exe pyinstaller -
Unsigned PE 3 IoCs
Checks for missing Authenticode signature.
resource unpack001/st33ler/main.exe unpack001/st33ler/sc.exe unpack001/st33ler/start.exe
Files
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st33ler.zip.zip
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st33ler/bat/main.bat
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st33ler/bat/start.bat
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st33ler/main.exe.exe windows:4 windows x64 arch:x64
7182b1ea6f92adbf459a2c65d8d4dd9e
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
msvcrt
memset
wcsncmp
memmove
wcsncpy
wcsstr
_wcsnicmp
_wcsdup
free
_wcsicmp
wcslen
wcscpy
wcscmp
memcpy
tolower
wcscat
malloc
kernel32
GetModuleHandleW
HeapCreate
GetStdHandle
HeapDestroy
ExitProcess
WriteFile
GetTempFileNameW
LoadLibraryExW
EnumResourceTypesW
FreeLibrary
RemoveDirectoryW
GetExitCodeProcess
EnumResourceNamesW
GetCommandLineW
LoadResource
SizeofResource
FreeResource
FindResourceW
GetShortPathNameW
GetSystemDirectoryW
EnterCriticalSection
CloseHandle
LeaveCriticalSection
InitializeCriticalSection
WaitForSingleObject
TerminateThread
CreateThread
Sleep
WideCharToMultiByte
HeapAlloc
HeapFree
LoadLibraryW
GetProcAddress
GetCurrentProcessId
GetCurrentThreadId
GetModuleFileNameW
GetEnvironmentVariableW
SetEnvironmentVariableW
GetCurrentProcess
TerminateProcess
RtlLookupFunctionEntry
RtlVirtualUnwind
RemoveVectoredExceptionHandler
AddVectoredExceptionHandler
HeapSize
MultiByteToWideChar
CreateDirectoryW
SetFileAttributesW
GetTempPathW
DeleteFileW
GetCurrentDirectoryW
SetCurrentDirectoryW
CreateFileW
SetFilePointer
TlsFree
TlsGetValue
TlsSetValue
TlsAlloc
HeapReAlloc
DeleteCriticalSection
GetLastError
SetLastError
UnregisterWait
GetCurrentThread
DuplicateHandle
RegisterWaitForSingleObject
shell32
ShellExecuteExW
SHGetFolderLocation
SHGetPathFromIDListW
winmm
timeBeginPeriod
ole32
CoInitialize
CoTaskMemFree
shlwapi
PathAddBackslashW
PathRenameExtensionW
PathQuoteSpacesW
PathRemoveArgsW
PathRemoveBackslashW
user32
CharUpperW
CharLowerW
MessageBoxW
DefWindowProcW
GetWindowLongPtrW
GetWindowTextLengthW
GetWindowTextW
EnableWindow
DestroyWindow
UnregisterClassW
LoadIconW
LoadCursorW
RegisterClassExW
IsWindowEnabled
GetSystemMetrics
CreateWindowExW
SetWindowLongPtrW
SendMessageW
SetFocus
CreateAcceleratorTableW
SetForegroundWindow
BringWindowToTop
GetMessageW
TranslateAcceleratorW
TranslateMessage
DispatchMessageW
DestroyAcceleratorTable
PostMessageW
GetForegroundWindow
GetWindowThreadProcessId
IsWindowVisible
EnumWindows
SetWindowPos
gdi32
GetStockObject
comctl32
InitCommonControlsEx
Sections
.code Size: 23KB - Virtual size: 22KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.text Size: 65KB - Virtual size: 65KB
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
.pdata Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 5KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 5KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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st33ler/readme.txt
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st33ler/sc.exe.exe windows:5 windows x64 arch:x64
1af6c885af093afc55142c2f1761dbe8
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
MessageBoxW
MessageBoxA
SystemParametersInfoW
DestroyIcon
SetWindowLongPtrW
GetWindowLongPtrW
GetClientRect
InvalidateRect
ReleaseDC
GetDC
DrawTextW
GetDialogBaseUnits
EndDialog
DialogBoxIndirectParamW
MoveWindow
SendMessageW
comctl32
ord380
kernel32
IsValidCodePage
GetStringTypeW
GetFileAttributesExW
HeapReAlloc
FlushFileBuffers
GetCurrentDirectoryW
GetACP
GetOEMCP
GetModuleHandleW
MulDiv
GetLastError
SetDllDirectoryW
GetModuleFileNameW
CreateSymbolicLinkW
GetProcAddress
GetCommandLineW
GetEnvironmentVariableW
GetCPInfo
ExpandEnvironmentStringsW
CreateDirectoryW
GetTempPathW
WaitForSingleObject
Sleep
GetExitCodeProcess
CreateProcessW
GetStartupInfoW
FreeLibrary
LoadLibraryExW
SetConsoleCtrlHandler
FindClose
FindFirstFileExW
CloseHandle
GetCurrentProcess
LocalFree
FormatMessageW
MultiByteToWideChar
WideCharToMultiByte
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetProcessHeap
GetTimeZoneInformation
HeapSize
WriteConsoleW
SetEndOfFile
SetEnvironmentVariableW
RtlUnwindEx
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
EncodePointer
RaiseException
RtlPcToFileHeader
GetCommandLineA
CreateFileW
GetDriveTypeW
GetFileInformationByHandle
GetFileType
PeekNamedPipe
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
GetFullPathNameW
RemoveDirectoryW
FindNextFileW
SetStdHandle
DeleteFileW
ReadFile
GetStdHandle
WriteFile
ExitProcess
GetModuleHandleExW
HeapFree
GetConsoleMode
ReadConsoleW
SetFilePointerEx
GetConsoleOutputCP
GetFileSizeEx
HeapAlloc
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree
CompareStringW
LCMapStringW
advapi32
OpenProcessToken
GetTokenInformation
ConvertStringSecurityDescriptorToSecurityDescriptorW
ConvertSidToStringSidW
gdi32
SelectObject
DeleteObject
CreateFontIndirectW
Sections
.text Size: 167KB - Virtual size: 166KB
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: 12KB
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
_RDATA Size: 512B - Virtual size: 348B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 61KB - Virtual size: 61KB
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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sc.pyc
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st33ler/start.exe.exe windows:4 windows x64 arch:x64
7182b1ea6f92adbf459a2c65d8d4dd9e
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
msvcrt
memset
wcsncmp
memmove
wcsncpy
wcsstr
_wcsnicmp
_wcsdup
free
_wcsicmp
wcslen
wcscpy
wcscmp
memcpy
tolower
wcscat
malloc
kernel32
GetModuleHandleW
HeapCreate
GetStdHandle
HeapDestroy
ExitProcess
WriteFile
GetTempFileNameW
LoadLibraryExW
EnumResourceTypesW
FreeLibrary
RemoveDirectoryW
GetExitCodeProcess
EnumResourceNamesW
GetCommandLineW
LoadResource
SizeofResource
FreeResource
FindResourceW
GetShortPathNameW
GetSystemDirectoryW
EnterCriticalSection
CloseHandle
LeaveCriticalSection
InitializeCriticalSection
WaitForSingleObject
TerminateThread
CreateThread
Sleep
WideCharToMultiByte
HeapAlloc
HeapFree
LoadLibraryW
GetProcAddress
GetCurrentProcessId
GetCurrentThreadId
GetModuleFileNameW
GetEnvironmentVariableW
SetEnvironmentVariableW
GetCurrentProcess
TerminateProcess
RtlLookupFunctionEntry
RtlVirtualUnwind
RemoveVectoredExceptionHandler
AddVectoredExceptionHandler
HeapSize
MultiByteToWideChar
CreateDirectoryW
SetFileAttributesW
GetTempPathW
DeleteFileW
GetCurrentDirectoryW
SetCurrentDirectoryW
CreateFileW
SetFilePointer
TlsFree
TlsGetValue
TlsSetValue
TlsAlloc
HeapReAlloc
DeleteCriticalSection
GetLastError
SetLastError
UnregisterWait
GetCurrentThread
DuplicateHandle
RegisterWaitForSingleObject
shell32
ShellExecuteExW
SHGetFolderLocation
SHGetPathFromIDListW
winmm
timeBeginPeriod
ole32
CoInitialize
CoTaskMemFree
shlwapi
PathAddBackslashW
PathRenameExtensionW
PathQuoteSpacesW
PathRemoveArgsW
PathRemoveBackslashW
user32
CharUpperW
CharLowerW
MessageBoxW
DefWindowProcW
GetWindowLongPtrW
GetWindowTextLengthW
GetWindowTextW
EnableWindow
DestroyWindow
UnregisterClassW
LoadIconW
LoadCursorW
RegisterClassExW
IsWindowEnabled
GetSystemMetrics
CreateWindowExW
SetWindowLongPtrW
SendMessageW
SetFocus
CreateAcceleratorTableW
SetForegroundWindow
BringWindowToTop
GetMessageW
TranslateAcceleratorW
TranslateMessage
DispatchMessageW
DestroyAcceleratorTable
PostMessageW
GetForegroundWindow
GetWindowThreadProcessId
IsWindowVisible
EnumWindows
SetWindowPos
gdi32
GetStockObject
comctl32
InitCommonControlsEx
Sections
.code Size: 23KB - Virtual size: 22KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.text Size: 65KB - Virtual size: 65KB
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
.pdata Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 5KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 133KB - Virtual size: 133KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ