Behavioral task
behavioral1
Sample
NEAS.b23f4ef6e89a4700202bf6c0e4552e0c_JC.exe
Resource
win7-20230831-en
General
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Target
NEAS.b23f4ef6e89a4700202bf6c0e4552e0c_JC.exe
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Size
429KB
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MD5
b23f4ef6e89a4700202bf6c0e4552e0c
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SHA1
658779b491d79b4602b4249bb007868d410ad629
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SHA256
3ab92f661867d02961383d1f13e0d7010e62742802275a2f5681eef0710d7bc4
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SHA512
6719c539184b0c00bec32a0399a904c28ff1943490b0dc9cdf7f1c50858272903b936dc6efb06e77437ba7a25ccc12103dc76f6e75a578735f953976ba7f1990
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SSDEEP
6144:CEK25f5ySIcWLsxIIW4DYM6SB6v+qLnAzYmhwrxcvkzmSOpII:CMpASIcWYx2U6hAJQnk
Malware Config
Signatures
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Urelas family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource NEAS.b23f4ef6e89a4700202bf6c0e4552e0c_JC.exe
Files
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NEAS.b23f4ef6e89a4700202bf6c0e4552e0c_JC.exe.exe windows:5 windows x86
a74af8b06f2835630017cd7cc4b0782d
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
GetSystemDirectoryW
DeleteFileW
GetModuleHandleW
FindResourceW
SizeofResource
LoadResource
LockResource
FreeResource
MultiByteToWideChar
GetVersionExW
CreateFileW
GetFileSizeEx
GetLastError
GetCurrentProcessId
TerminateProcess
GetModuleHandleA
GetProcAddress
GetTempPathA
GetModuleFileNameA
CreateFileA
WriteFile
ReadFile
SetFilePointer
FlushFileBuffers
DeviceIoControl
SystemTimeToFileTime
GetCurrentDirectoryW
LocalFileTimeToFileTime
WideCharToMultiByte
CreateThread
SetFileAttributesW
GetProcessHeap
SetEndOfFile
GetLocaleInfoA
GetStringTypeW
GetStringTypeA
LCMapStringA
HeapSize
WriteConsoleW
GetConsoleOutputCP
WriteConsoleA
LoadLibraryA
GetTempPathW
CreateEventW
CloseHandle
OpenEventW
GetFileAttributesW
Sleep
GetTickCount
ExitProcess
SetStdHandle
InitializeCriticalSectionAndSpinCount
GetSystemTimeAsFileTime
QueryPerformanceCounter
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
LCMapStringW
IsValidCodePage
GetOEMCP
GetACP
GetCPInfo
RaiseException
GetConsoleMode
GetConsoleCP
GetModuleFileNameW
HeapCreate
HeapReAlloc
HeapAlloc
HeapFree
GetStartupInfoW
GetCurrentProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
TlsGetValue
TlsAlloc
TlsSetValue
TlsFree
InterlockedIncrement
SetLastError
GetCurrentThreadId
InterlockedDecrement
EnterCriticalSection
LeaveCriticalSection
RtlUnwind
SetHandleCount
GetStdHandle
GetFileType
GetStartupInfoA
DeleteCriticalSection
VirtualFree
VirtualAlloc
user32
EndPaint
LoadStringW
LoadAcceleratorsW
LoadIconW
LoadCursorW
RegisterClassExW
CreateWindowExW
wsprintfW
DialogBoxParamW
EndDialog
PostQuitMessage
BeginPaint
DefWindowProcW
DestroyWindow
advapi32
RegOpenKeyExW
RegQueryValueExW
RegCloseKey
RegSetValueExW
shell32
ShellExecuteW
ShellExecuteA
ws2_32
WSAGetLastError
recv
send
closesocket
connect
htons
WSAStartup
htonl
gethostbyaddr
socket
gethostbyname
inet_addr
iphlpapi
GetAdaptersInfo
Sections
.text Size: 377KB - Virtual size: 380KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 50KB - Virtual size: 52KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE