update_temp[.]exe

Sharing

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General

Target

update_temp.exe
Size

9.2MB
MD5

a89f46c225d8026a0ee6a490ff7b6756
SHA1

3ba733b23f8d673693e9bc02832f1160688dff5f
SHA256

a32250efbfc4908e976adcdbf2fb4612be812b16487707e6928baba12a90cbf0
SHA512

83475eb64a2a88acfd66ea5191541fcff2cca41e78dc4c4b8b950a75ba89b317125d8f88d455a459970fbbd17b61070cf2bc1e6138649ce8d2e1591f18b4168c
SSDEEP

98304:73llhT92Nb71UTyIVJfOvn5Lp9+H+GtEiHWh0u1:zMUWcW5LG+Am

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
update_temp.exe

Files

update_temp.exe
.exe windows:6 windows x64 arch:x64

a0e61ff3d3bca8da90d86afe4056b8ec

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_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED

Imports

kernel32

AddVectoredExceptionHandler
AreFileApisANSI
CloseHandle
CreateEventA
CreateFileA
CreateFileMappingW
CreateFileW
CreateIoCompletionPort
CreateMutexW
CreateThread
CreateWaitableTimerA
CreateWaitableTimerExW
DeleteCriticalSection
DeleteFileA
DeleteFileW
DuplicateHandle
EnterCriticalSection
ExitProcess
FlushFileBuffers
FlushViewOfFile
FormatMessageA
FormatMessageW
FreeEnvironmentStringsW
FreeLibrary
GetConsoleMode
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetDiskFreeSpaceA
GetDiskFreeSpaceW
GetEnvironmentStringsW
GetFileAttributesA
GetFileAttributesExW
GetFileAttributesW
GetFileSize
GetFullPathNameA
GetFullPathNameW
GetLastError
GetProcAddress
GetProcessAffinityMask
GetProcessHeap
GetQueuedCompletionStatusEx
GetStartupInfoA
GetStdHandle
GetSystemDirectoryA
GetSystemInfo
GetSystemTime
GetSystemTimeAsFileTime
GetTempPathA
GetTempPathW
GetThreadContext
GetTickCount
GlobalAlloc
GlobalFree
HeapAlloc
HeapCompact
HeapCreate
HeapDestroy
HeapFree
HeapReAlloc
HeapSize
HeapValidate
InitializeCriticalSection
IsDBCSLeadByteEx
LeaveCriticalSection
LoadLibraryA
LoadLibraryW
LocalFree
LockFile
LockFileEx
MapViewOfFile
MultiByteToWideChar
OpenProcess
OutputDebugStringA
OutputDebugStringW
PostQueuedCompletionStatus
QueryPerformanceCounter
ReadFile
ResumeThread
SetConsoleCtrlHandler
SetEndOfFile
SetErrorMode
SetEvent
SetFilePointer
SetProcessPriorityBoost
SetThreadContext
SetUnhandledExceptionFilter
SetWaitableTimer
Sleep
SuspendThread
SwitchToThread
SystemTimeToFileTime
TlsAlloc
TlsGetValue
TryEnterCriticalSection
UnlockFile
UnlockFileEx
UnmapViewOfFile
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WaitForMultipleObjects
WaitForSingleObject
WaitForSingleObjectEx
WideCharToMultiByte
WriteConsoleW
WriteFile
__C_specific_handler

msvcrt

___lc_codepage_func
___mb_cur_max_func
__getmainargs
__initenv
__iob_func
__lconv_init
__set_app_type
__setusermatherr
_acmdln
_amsg_exit
_beginthread
_beginthreadex
_cexit
_commode
_endthreadex
_errno
_fmode
_initterm
_localtime64
_lock
_onexit
_unlock
abort
calloc
exit
fprintf
fputc
free
fwrite
localeconv
malloc
memcmp
memcpy
memmove
memset
qsort
realloc
signal
strcmp
strcspn
strerror
strlen
strncmp
strrchr
strspn
strstr
vfprintf
wcslen

Exports

Exports

_cgo_dummy_export
authorizerTrampoline
callbackTrampoline
commitHookTrampoline
compareTrampoline
doneTrampoline
preUpdateHookTrampoline
rollbackHookTrampoline
stepTrampoline
updateHookTrampoline

Sections

.text
Size: 4.9MB - Virtual size: 4.9MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 288KB - Virtual size: 287KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 3.9MB - Virtual size: 3.9MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.pdata
Size: 23KB - Virtual size: 22KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.xdata
Size: 26KB - Virtual size: 26KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 387KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.edata
Size: 512B - Virtual size: 345B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.idata
Size: 6KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 104B

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

.reloc
Size: 71KB - Virtual size: 71KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

a0e61ff3d3bca8da90d86afe4056b8ec

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

msvcrt

Exports

Exports

Sections

.text Size: 4.9MB - Virtual size: 4.9MB

.data Size: 288KB - Virtual size: 287KB

.rdata Size: 3.9MB - Virtual size: 3.9MB

.pdata Size: 23KB - Virtual size: 22KB

.xdata Size: 26KB - Virtual size: 26KB

.bss Size: - Virtual size: 387KB

.edata Size: 512B - Virtual size: 345B

.idata Size: 6KB - Virtual size: 5KB

.CRT Size: 512B - Virtual size: 104B

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

.reloc Size: 71KB - Virtual size: 71KB

.text
Size: 4.9MB - Virtual size: 4.9MB

.data
Size: 288KB - Virtual size: 287KB

.rdata
Size: 3.9MB - Virtual size: 3.9MB

.pdata
Size: 23KB - Virtual size: 22KB

.xdata
Size: 26KB - Virtual size: 26KB

.bss
Size: - Virtual size: 387KB

.edata
Size: 512B - Virtual size: 345B

.idata
Size: 6KB - Virtual size: 5KB

.CRT
Size: 512B - Virtual size: 104B

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

.reloc
Size: 71KB - Virtual size: 71KB