Behavioral task
behavioral1
Sample
overlay_script.rar
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
overlay_script.rar
Resource
win10v2004-20240709-en
Behavioral task
behavioral3
Sample
overlay_script.exe
Resource
win7-20240704-en
Behavioral task
behavioral4
Sample
overlay_script.exe
Resource
win10v2004-20240709-en
Behavioral task
behavioral5
Sample
overlay_script.pyc
Resource
win7-20240705-en
Behavioral task
behavioral6
Sample
overlay_script.pyc
Resource
win10v2004-20240704-en
General
-
Target
overlay_script.rar
-
Size
8.9MB
-
MD5
bfe71e1f7446c80b174f9a2ae297c70b
-
SHA1
2f67edb7c5c20925b466bf9f60cb5af595219a74
-
SHA256
b382aba149fd12b3d3d6692237661c9cd7028e3b13a8bec610ddbfb8ee961973
-
SHA512
718fdfa52f6a7547a2e8efc958f734025e3753f87a8c48d27f4f4a15ff39637384b0931775b4a14f1dea937ddb05d75391f86160f5a721195126e30408b8bcea
-
SSDEEP
196608:j1c1EEOBzSBtmGcDjiV14cHmKQ87BWTA5X5ZuHkbf:jumsmGcDjiV1ji7UDZuED
Malware Config
Signatures
-
Detects Pyinstaller 1 IoCs
resource yara_rule static1/unpack001/overlay_script.exe pyinstaller -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/overlay_script.exe
Files
-
overlay_script.rar.rar
Password: bark
-
overlay_script.exe.exe windows:5 windows x86 arch:x86
Password: bark
ee41bfd99de62a6758b4b314e4232921
Headers
DLL Characteristics
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
IMAGE_FILE_32BIT_MACHINE
Imports
user32
GetWindowThreadProcessId
ShowWindow
kernel32
GetModuleFileNameW
SetDllDirectoryW
CreateSymbolicLinkW
GetProcAddress
CreateDirectoryW
GetCommandLineW
GetEnvironmentVariableW
ExpandEnvironmentStringsW
DeleteFileW
FindClose
FindFirstFileW
FindNextFileW
GetDriveTypeW
RemoveDirectoryW
GetTempPathW
CloseHandle
FormatMessageW
Sleep
GetCurrentProcess
GetCurrentProcessId
GetExitCodeProcess
CreateProcessW
GetStartupInfoW
FreeLibrary
LoadLibraryExW
LocalFree
SetConsoleCtrlHandler
GetConsoleWindow
CreateFileW
FindFirstFileExW
GetFinalPathNameByHandleW
MultiByteToWideChar
WideCharToMultiByte
HeapReAlloc
GetLastError
WriteConsoleW
SetEndOfFile
WaitForSingleObject
EnterCriticalSection
IsProcessorFeaturePresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
QueryPerformanceCounter
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetModuleHandleW
RtlUnwind
SetLastError
DecodePointer
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
EncodePointer
RaiseException
GetFileInformationByHandle
GetFileType
PeekNamedPipe
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
ReadFile
GetFullPathNameW
SetStdHandle
GetStdHandle
WriteFile
ExitProcess
GetModuleHandleExW
GetCommandLineA
HeapFree
GetConsoleMode
ReadConsoleW
SetFilePointerEx
GetConsoleOutputCP
GetFileSizeEx
HeapAlloc
CompareStringW
LCMapStringW
GetCurrentDirectoryW
FlushFileBuffers
SetEnvironmentVariableW
GetFileAttributesExW
GetStringTypeW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetProcessHeap
GetTimeZoneInformation
HeapSize
advapi32
ConvertSidToStringSidW
GetTokenInformation
OpenProcessToken
ConvertStringSecurityDescriptorToSecurityDescriptorW
Sections
.text Size: 152KB - Virtual size: 152KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 53KB - Virtual size: 52KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 26KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 60KB - Virtual size: 59KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 7KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
-
overlay_script.pyc