Static task
static1
Behavioral task
behavioral1
Sample
stub.exe
Resource
win7-20230621-en
Behavioral task
behavioral2
Sample
stub.exe
Resource
win10v2004-20230621-en
General
-
Target
stub.exe
-
Size
3.9MB
-
MD5
3c5eed7ac128281864220f63e6412c59
-
SHA1
579fe5035be02b0b3fce46b6013ec5a8c67062df
-
SHA256
fb5f53643e10eb252f4a9c21620c6702f219d136eaf4ed7d1d7c59f428fc9429
-
SHA512
37b2ab606a47fa2962c2a73cbfc26482cc6642336d83d2e1d7ce3a404c557f8bcfa1b8145fa4f4851ea987f1aad9edebd61542c6246a57bae3b07108c0a3acdf
-
SSDEEP
98304:oHiJh5PU2BAvyFDDKJcUQWiTYScSiQp4oApMDMXf:o65PvB6iqyUeThtb2KDcf
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource stub.exe
Files
-
stub.exe.exe windows x64
1428460712004bbc8ddf2853101cb81c
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED
Imports
kernel32
AcquireSRWLockExclusive
AcquireSRWLockShared
AddVectoredExceptionHandler
CloseHandle
CreateFileMappingA
CreateFileW
CreateMutexA
CreateToolhelp32Snapshot
DeleteCriticalSection
DuplicateHandle
EnterCriticalSection
ExitProcess
FormatMessageW
GetConsoleMode
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentThread
GetEnvironmentVariableW
GetFileInformationByHandle
GetFileInformationByHandleEx
GetFullPathNameW
GetLastError
GetModuleHandleA
GetModuleHandleW
GetProcAddress
GetProcessHeap
GetStdHandle
HeapAlloc
HeapFree
HeapReAlloc
InitOnceBeginInitialize
InitOnceComplete
InitializeCriticalSection
LeaveCriticalSection
LoadLibraryA
MapViewOfFile
Module32FirstW
Module32NextW
RaiseException
ReleaseMutex
ReleaseSRWLockExclusive
ReleaseSRWLockShared
RtlCaptureContext
RtlLookupFunctionEntry
RtlUnwindEx
RtlVirtualUnwind
SetLastError
SetThreadStackGuarantee
SetUnhandledExceptionFilter
Sleep
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TryAcquireSRWLockExclusive
UnmapViewOfFile
VirtualProtect
VirtualQuery
WaitForSingleObject
WaitForSingleObjectEx
WriteConsoleW
__C_specific_handler
msvcrt
__getmainargs
__initenv
__iob_func
__set_app_type
__setusermatherr
_amsg_exit
_cexit
_commode
_fmode
_fpreset
_initterm
_onexit
abort
calloc
exit
fprintf
free
fwrite
malloc
memcmp
memcpy
memmove
memset
signal
strlen
strncmp
vfprintf
Sections
.text Size: 222KB - Virtual size: 222KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 240B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 3.7MB - Virtual size: 3.7MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.pdata Size: 5KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.xdata Size: 8KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.bss Size: - Virtual size: 640B
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.CRT Size: 512B - Virtual size: 112B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: 512B - Virtual size: 16B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ