WannaCry[.]ex | Triage

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General

Target

WannaCry.ex
Size

3.4MB
MD5

f42d29367786af1b8919a9d0cbedfd3f
SHA1

28f4efd9fbb9bb8e14d2946da97eff28fed682c9
SHA256

04f468bec220fa9dfd4897adf86f28f8ceb04a72806c473cd22e366f716389a3
SHA512

fb0f9703f592ec503f65c261f062df043d5dcc50f3732f73edbc7b6bfdb5988b272db9ee14d37f9b5bf237f4472f42a9993b0da202ee2b6f9b6da765436f4010
SSDEEP

98304:QqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAFj:QqPe1Cxcxk3ZAEUadzR8yOj

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
WannaCry.ex

Files

WannaCry.ex
.exe windows:4 windows x86 arch:x86

68f013d7437aa653a8a98a05807afeb1

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

GetFileAttributesW
GetFileSizeEx
CreateFileA
InitializeCriticalSection
DeleteCriticalSection
ReadFile
GetFileSize
WriteFile
LeaveCriticalSection
EnterCriticalSection
SetFileAttributesW
SetCurrentDirectoryW
CreateDirectoryW
GetTempPathW
GetWindowsDirectoryW
GetFileAttributesA
SizeofResource
LockResource
LoadResource
MultiByteToWideChar
Sleep
OpenMutexA
GetFullPathNameA
CopyFileA
GetModuleFileNameA
VirtualAlloc
VirtualFree
FreeLibrary
HeapAlloc
GetProcessHeap
GetModuleHandleA
SetLastError
VirtualProtect
IsBadReadPtr
HeapFree
SystemTimeToFileTime
LocalFileTimeToFileTime
CreateDirectoryA
GetStartupInfoA
SetFilePointer
SetFileTime
GetComputerNameW
GetCurrentDirectoryA
SetCurrentDirectoryA
GlobalAlloc
LoadLibraryA
GetProcAddress
GlobalFree
CreateProcessA
CloseHandle
WaitForSingleObject
TerminateProcess
GetExitCodeProcess
FindResourceA

user32

wsprintfA

advapi32

CreateServiceA
OpenServiceA
StartServiceA
CloseServiceHandle
CryptReleaseContext
RegCreateKeyW
RegSetValueExA
RegQueryValueExA
RegCloseKey
OpenSCManagerA

msvcrt

realloc
fclose
fwrite
fread
fopen
sprintf
rand
srand
strcpy
memset
strlen
wcscat
wcslen
__CxxFrameHandler
??3@YAXPAX@Z
memcmp
_except_handler3
_local_unwind2
wcsrchr
swprintf
??2@YAPAXI@Z
memcpy
strcmp
strrchr
__p___argv
__p___argc
_stricmp
free
malloc
??0exception@@QAE@ABV0@@Z
??1exception@@UAE@XZ
??0exception@@QAE@ABQBD@Z
_CxxThrowException
calloc
strcat
_mbsstr
??1type_info@@UAE@XZ
_exit
_XcptFilter
exit
_acmdln
__getmainargs
_initterm
__setusermatherr
_adjust_fdiv
__p__commode
__p__fmode
__set_app_type
_controlfp

Sections

.text
Size: 28KB - Virtual size: 26KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 24KB - Virtual size: 23KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 8KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 3.3MB - Virtual size: 3.3MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

68f013d7437aa653a8a98a05807afeb1

Headers

File Characteristics

Imports

kernel32

user32

advapi32

msvcrt

Sections

.text Size: 28KB - Virtual size: 26KB

.rdata Size: 24KB - Virtual size: 23KB

.data Size: 8KB - Virtual size: 6KB

.rsrc Size: 3.3MB - Virtual size: 3.3MB

.text
Size: 28KB - Virtual size: 26KB

.rdata
Size: 24KB - Virtual size: 23KB

.data
Size: 8KB - Virtual size: 6KB

.rsrc
Size: 3.3MB - Virtual size: 3.3MB