Behavioral task
behavioral1
Sample
335942ff9bf94bc829ccfbfbc0a3d481a36bf880eb354d82265eaca350ae212e.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
335942ff9bf94bc829ccfbfbc0a3d481a36bf880eb354d82265eaca350ae212e.exe
Resource
win10v2004-20230831-en
General
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Target
335942ff9bf94bc829ccfbfbc0a3d481a36bf880eb354d82265eaca350ae212e
-
Size
11.2MB
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MD5
245aa02c169abc627da28e7b3dc0e3e0
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SHA1
44460ccc4fd0fbd32515a3afd7677001b29c532a
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SHA256
335942ff9bf94bc829ccfbfbc0a3d481a36bf880eb354d82265eaca350ae212e
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SHA512
26f8468317958bd3976c1f1c1719172890905cd1558b2aa58d0e2699ae8b7468b241ae230df37aa27d22245e570838354920b6ab5afb261087cb8da5f4c715be
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SSDEEP
196608:jcFYfyUULoYyyAzMcGGtF2AsSZxhuT4FoSRCU:QFxUULoYyVMcGGQUFoSB
Malware Config
Signatures
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CoreEntity .NET Packer 1 IoCs
A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.
resource yara_rule sample coreentity -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 335942ff9bf94bc829ccfbfbc0a3d481a36bf880eb354d82265eaca350ae212e
Files
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335942ff9bf94bc829ccfbfbc0a3d481a36bf880eb354d82265eaca350ae212e.exe windows x64
c7d3c724d93ab379982693ee9624fc0e
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
kernel32
FindResourceA
FreeResource
SetCurrentDirectoryA
CreateToolhelp32Snapshot
Sleep
GetTickCount64
GetLastError
CreateFileA
LockResource
Process32Next
CreateMutexW
LoadResource
HeapAlloc
Beep
GetComputerNameW
GetProcessHeap
lstrcmpiA
CreateProcessA
WriteConsoleW
CreateFileW
WriteFile
HeapFree
Process32First
SizeofResource
CloseHandle
ExitProcess
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
RtlUnwindEx
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
EncodePointer
RaiseException
RtlPcToFileHeader
GetStdHandle
GetModuleFileNameW
GetModuleHandleExW
GetFileType
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree
LCMapStringW
MultiByteToWideChar
CreateDirectoryW
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
WideCharToMultiByte
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetStdHandle
GetStringTypeW
SetFilePointerEx
HeapSize
HeapReAlloc
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
user32
MessageBoxA
Sections
.text Size: 81KB - Virtual size: 80KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 42KB - Virtual size: 42KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 5KB - Virtual size: 4KB
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: 1.1MB - Virtual size: 1.1MB
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