Behavioral task
behavioral1
Sample
nitro_gen.exe
Resource
win7-20231215-en
General
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Target
nitro_gen.zip
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Size
7.5MB
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MD5
c10c3905b7af673ea8eb38f853452fe4
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SHA1
670ac4245e920a651ca7f922eb37df2e6b97b577
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SHA256
47d9f0523c4d265c69f5ef69536b29643b7d8df31eeed4792498da3da723d949
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SHA512
1bfb4b7f6560f04a513a7365f13185b998c8e5f4ad441279828a255f4c997e4d4f405a9ed3e9cbb6b386c4745b3637a5982d0e27b1a32b5e2209cd149b71916a
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SSDEEP
196608:wE2rYiQxfUbCorQWOweW+GfjQLnrtqHnB6:wrQxfUOorQWOtiQjQHnB6
Malware Config
Signatures
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Detects Pyinstaller 1 IoCs
resource yara_rule static1/unpack001/nitro_gen.exe pyinstaller -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/nitro_gen.exe
Files
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nitro_gen.zip.zip
Password: nitro
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nitro_gen.exe.exe windows:5 windows x86 arch:x86
Password: nitro
4f699d9195f8b90fd792f147d3831279
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Imports
user32
MessageBoxW
MessageBoxA
kernel32
GetModuleFileNameW
GetProcAddress
GetCommandLineW
GetEnvironmentVariableW
SetEnvironmentVariableW
ExpandEnvironmentStringsW
CreateDirectoryW
GetTempPathW
WaitForSingleObject
Sleep
SetDllDirectoryW
CreateProcessW
GetStartupInfoW
LoadLibraryExW
CloseHandle
GetCurrentProcess
LocalFree
FormatMessageW
LoadLibraryA
MultiByteToWideChar
WideCharToMultiByte
GetLastError
DecodePointer
GetExitCodeProcess
CreateFileW
SetEndOfFile
HeapReAlloc
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetModuleHandleW
RtlUnwind
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetCommandLineA
ReadFile
RaiseException
GetDriveTypeW
GetFileType
PeekNamedPipe
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
GetFullPathNameW
RemoveDirectoryW
FindClose
FindFirstFileExW
FindNextFileW
SetStdHandle
SetConsoleCtrlHandler
DeleteFileW
GetStdHandle
WriteFile
ExitProcess
GetModuleHandleExW
GetACP
HeapFree
HeapAlloc
GetConsoleMode
ReadConsoleW
SetFilePointerEx
GetConsoleCP
CompareStringW
LCMapStringW
GetCurrentDirectoryW
FlushFileBuffers
SetEnvironmentVariableA
GetFileAttributesExW
IsValidCodePage
GetOEMCP
GetCPInfo
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetStringTypeW
GetProcessHeap
WriteConsoleW
GetTimeZoneInformation
HeapSize
advapi32
ConvertSidToStringSidW
GetTokenInformation
OpenProcessToken
ConvertStringSecurityDescriptorToSecurityDescriptorW
ws2_32
ntohl
Sections
.text Size: 122KB - Virtual size: 122KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 45KB - Virtual size: 45KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 2KB - Virtual size: 41KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.gfids Size: 512B - Virtual size: 184B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 68KB - Virtual size: 67KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 6KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
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tester.pyc