lock[.]exe | Triage

Sharing

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General

Target

lock.exe
Size

913KB
MD5

b2b488a02695eebb4665503c30378f9b
SHA1

a28db1fddde8c2a64184549e798be852a02ff7bc
SHA256

943262dae4a465d1dbb88841a43fc4a9d9e5b229ccd026f0dcf2c1e71fb45ff5
SHA512

79226e8fd4f1c55d51153c081a733731f7f3533b2d61539ba69851ee80d256235350f7a44b8de7a283e2cbb834ce7de3a1b9d7fcb5827688b9fbe3ee0fe449c3
SSDEEP

24576:dsWscZFgaSfJnZx2DEDMi9CMBfQWxLZPKD6yBJ64WoDoV+BB6:ZFga6hZ4lMBfQALZPK5v

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
lock.exe

Files

lock.exe
.exe windows:4 windows x64 arch:x64

3dd6d3e5b6f0ede92284d2e88e4f9173

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED

Imports

advapi32

AdjustTokenPrivileges
LookupPrivilegeValueA
OpenProcessToken

kernel32

AddVectoredExceptionHandler
CloseHandle
CreateEventA
CreateFileW
CreateSemaphoreA
DeleteCriticalSection
DuplicateHandle
EnterCriticalSection
FindResourceA
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetHandleInformation
GetLastError
GetModuleHandleA
GetProcessAffinityMask
GetStartupInfoA
GetSystemTimeAsFileTime
GetThreadContext
GetThreadPriority
GetTickCount
InitializeCriticalSection
IsDBCSLeadByteEx
IsDebuggerPresent
LeaveCriticalSection
LoadResource
LockResource
MultiByteToWideChar
OutputDebugStringA
QueryPerformanceCounter
RaiseException
ReleaseSemaphore
RemoveVectoredExceptionHandler
ResetEvent
ResumeThread
RtlAddFunctionTable
RtlCaptureContext
RtlLookupFunctionEntry
RtlUnwindEx
RtlVirtualUnwind
SetEvent
SetLastError
SetProcessAffinityMask
SetThreadContext
SetThreadPriority
SetUnhandledExceptionFilter
SizeofResource
Sleep
SuspendThread
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TryEnterCriticalSection
UnhandledExceptionFilter
VirtualProtect
VirtualQuery
WaitForMultipleObjects
WaitForSingleObject
WideCharToMultiByte
WriteFile

msvcrt

__C_specific_handler
___lc_codepage_func
___mb_cur_max_func
__doserrno
__getmainargs
__initenv
__iob_func
__lconv_init
__pioinfo
__set_app_type
__setusermatherr
_acmdln
_amsg_exit
_beginthreadex
_cexit
_endthreadex
_errno
_fdopen
_filelengthi64
_fileno
_fileno
_fmode
_fstat64
_initterm
_lseeki64
_onexit
_read
_setjmp
_strdup
_strnicmp
_ultoa
_write
_write
abort
calloc
exit
fclose
fflush
fgetpos
fopen
fprintf
fputc
fputs
fread
free
fsetpos
fwrite
getc
getchar
getwc
isspace
iswctype
localeconv
longjmp
malloc
memchr
memcmp
memcpy
memmove
memset
printf
putc
putwc
realloc
setlocale
setvbuf
signal
sprintf
strcmp
strcoll
strerror
strftime
strlen
strncmp
strtoul
strxfrm
towlower
towupper
ungetc
ungetwc
vfprintf
wcscoll
wcsftime
wcslen
wcsxfrm

user32

ExitWindowsEx

Sections

.text
Size: 644KB - Virtual size: 643KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 12KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 57KB - Virtual size: 57KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.pdata
Size: 44KB - Virtual size: 43KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.xdata
Size: 58KB - Virtual size: 58KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 5KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

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: 90KB - Virtual size: 89KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

3dd6d3e5b6f0ede92284d2e88e4f9173

Headers

File Characteristics

Imports

advapi32

kernel32

msvcrt

user32

Sections

.text Size: 644KB - Virtual size: 643KB

.data Size: 12KB - Virtual size: 11KB

.rdata Size: 57KB - Virtual size: 57KB

.pdata Size: 44KB - Virtual size: 43KB

.xdata Size: 58KB - Virtual size: 58KB

.bss Size: - Virtual size: 5KB

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

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

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

.rsrc Size: 90KB - Virtual size: 89KB

.text
Size: 644KB - Virtual size: 643KB

.data
Size: 12KB - Virtual size: 11KB

.rdata
Size: 57KB - Virtual size: 57KB

.pdata
Size: 44KB - Virtual size: 43KB

.xdata
Size: 58KB - Virtual size: 58KB

.bss
Size: - Virtual size: 5KB

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

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

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

.rsrc
Size: 90KB - Virtual size: 89KB