STUN[.]exe | Triage

Resubmissions

02-10-2023 13:17

231002-qjh7jsba7z 10

02-10-2023 13:03

231002-qarsbsce88 10

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General

Target

STUN.exe
Size

633KB
MD5

7efd3c231c6d7613c8fd43c8db4fedd1
SHA1

407e7c91fbfa9b8e83cf377bb78ac63e6258bc60
SHA256

f1237e97949054e65fda58c114d87b78365f1c144afcb66c80d2e12afce5ccf5
SHA512

8bd52171770606c4ad56d946733dc85fbf7e2a47bedf40a0565136a8af1616af722814a908aff0a8e352fc412b826cd9f513947a0c5862fcdf75df1623602fb1
SSDEEP

12288:lBr2SeCp+maN8ab6nWL3EiBXntVvmbzvYFhlowf:lQSeCp+maN8aOcfBXaXvYFhlowf

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
STUN.exe

Files

STUN.exe
.exe windows:4 windows x64

ab72fb043fe445ffa6e4f18e31b48ab9

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_LARGE_ADDRESS_AWARE

Imports

kernel32

AddAtomA
AddVectoredExceptionHandler
CloseHandle
CreateEventA
CreateMutexA
CreateSemaphoreA
DeleteAtom
DeleteCriticalSection
DuplicateHandle
EnterCriticalSection
EnumUILanguagesW
FindAtomA
FormatMessageA
GetAtomNameA
GetConsoleWindow
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetHandleInformation
GetLastError
GetProcessAffinityMask
GetStartupInfoA
GetSystemTimeAsFileTime
GetThreadContext
GetThreadPriority
GetTickCount
InitializeCriticalSection
IsDBCSLeadByteEx
IsDebuggerPresent
LeaveCriticalSection
LocalFree
MultiByteToWideChar
OpenProcess
OutputDebugStringA
QueryPerformanceCounter
QueryPerformanceFrequency
RaiseException
ReleaseMutex
ReleaseSemaphore
RemoveVectoredExceptionHandler
ResetEvent
ResumeThread
SetEvent
SetLastError
SetProcessAffinityMask
SetThreadContext
SetThreadPriority
SetUnhandledExceptionFilter
Sleep
SuspendThread
TlsAlloc
TlsGetValue
TlsSetValue
TryEnterCriticalSection
VirtualProtect
VirtualQuery
WaitForMultipleObjects
WaitForSingleObject
WideCharToMultiByte
__C_specific_handler

msvcrt

___lc_codepage_func
___mb_cur_max_func
__getmainargs
__initenv
__iob_func
__lconv_init
__set_app_type
__setusermatherr
_acmdln
_amsg_exit
_beginthreadex
_cexit
_commode
_endthreadex
_errno
_fmode
_initterm
_lock
_memccpy
_onexit
_setjmp
_strdup
_ultoa
_unlock
abort
calloc
exit
fprintf
fputc
free
fwrite
localeconv
longjmp
malloc
memcpy
memmove
memset
printf
realloc
signal
strerror
strlen
strncmp
vfprintf
wcslen

user32

ShowWindow

Sections

.text
Size: 67KB - Virtual size: 66KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 273KB - Virtual size: 273KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.pdata
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.xdata
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 3KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 4KB - 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: 512B - Virtual size: 140B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/4
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/19
Size: 75KB - Virtual size: 75KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/31
Size: 12KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/45
Size: 31KB - Virtual size: 30KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/57
Size: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/70
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/81
Size: 72KB - Virtual size: 72KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/92
Size: 5KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Resubmissions

Sharing

General

Malware Config

Signatures

Files

ab72fb043fe445ffa6e4f18e31b48ab9

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

msvcrt

user32

Sections

.text Size: 67KB - Virtual size: 66KB

.data Size: 273KB - Virtual size: 273KB

.rdata Size: 4KB - Virtual size: 4KB

.pdata Size: 3KB - Virtual size: 3KB

.xdata Size: 3KB - Virtual size: 2KB

.bss Size: - Virtual size: 3KB

.idata Size: 4KB - Virtual size: 3KB

.CRT Size: 512B - Virtual size: 112B

.tls Size: 512B - Virtual size: 16B

.rsrc Size: 1KB - Virtual size: 1KB

.reloc Size: 512B - Virtual size: 140B

/4 Size: 2KB - Virtual size: 1KB

/19 Size: 75KB - Virtual size: 75KB

/31 Size: 12KB - Virtual size: 12KB

/45 Size: 31KB - Virtual size: 30KB

/57 Size: 8KB - Virtual size: 8KB

/70 Size: 2KB - Virtual size: 2KB

/81 Size: 72KB - Virtual size: 72KB

/92 Size: 5KB - Virtual size: 5KB

.text
Size: 67KB - Virtual size: 66KB

.data
Size: 273KB - Virtual size: 273KB

.rdata
Size: 4KB - Virtual size: 4KB

.pdata
Size: 3KB - Virtual size: 3KB

.xdata
Size: 3KB - Virtual size: 2KB

.bss
Size: - Virtual size: 3KB

.idata
Size: 4KB - Virtual size: 3KB

.CRT
Size: 512B - Virtual size: 112B

.tls
Size: 512B - Virtual size: 16B

.rsrc
Size: 1KB - Virtual size: 1KB

.reloc
Size: 512B - Virtual size: 140B

/4
Size: 2KB - Virtual size: 1KB

/19
Size: 75KB - Virtual size: 75KB

/31
Size: 12KB - Virtual size: 12KB

/45
Size: 31KB - Virtual size: 30KB

/57
Size: 8KB - Virtual size: 8KB

/70
Size: 2KB - Virtual size: 2KB

/81
Size: 72KB - Virtual size: 72KB

/92
Size: 5KB - Virtual size: 5KB