NEAS[.]2023-09-07_558b05e59b333aef5224e1da7d03f2e9_sierrabravo_wannacry_JC[.]exe

General

Target

NEAS.2023-09-07_558b05e59b333aef5224e1da7d03f2e9_sierrabravo_wannacry_JC.exe
Size

120KB
MD5

558b05e59b333aef5224e1da7d03f2e9
SHA1

d68e616cbf0b22680de34c4d3615cbfc866176bc
SHA256

55120454e6afa0416c07b905d38434768542cd93b36279bcdbc0a894854b7d11
SHA512

5ccffff98ac76452c802ff92cd566fff0ede3312ab2fcf5e379906c20412c56d4f6a5be71c2bf9f2cec90ec718fcef3bdfc321e6b969e556692c5f3b2d1d3fa9
SSDEEP

1536:mJEm/pQa4bWMJipB6V7EtADu/WlXu05rlD8MeRYq1Ce:aEm/pQa4btJ4IBm+1lXu059femWR

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
NEAS.2023-09-07_558b05e59b333aef5224e1da7d03f2e9_sierrabravo_wannacry_JC.exe

Files

NEAS.2023-09-07_558b05e59b333aef5224e1da7d03f2e9_sierrabravo_wannacry_JC.exe
.exe windows:4 windows x86

a49ad1d64126f3ac266ed2f5f4e22129

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

WaitForSingleObject
GetTickCount
ExitProcess
WideCharToMultiByte
MultiByteToWideChar
TerminateThread
GetLastError
LoadLibraryA
CopyFileA
GetFileAttributesA
CreateDirectoryA
Sleep
CreateProcessA
MoveFileExA
FindResourceA
LoadResource
LockResource
SizeofResource
CreateFileA
WriteFile
CloseHandle
GetProcAddress
GetModuleFileNameA
GetModuleHandleA
GetStartupInfoA

advapi32

ControlService
StartServiceA
DeleteService
OpenSCManagerA
OpenServiceA
CloseServiceHandle
StartServiceCtrlDispatcherA
RegisterServiceCtrlHandlerA
ChangeServiceConfig2A
SetServiceStatus
CreateServiceA

ws2_32

send
recv
WSAGetLastError
ntohs
inet_addr
inet_ntoa
htons
closesocket
ioctlsocket
connect
select
WSAStartup
socket

netapi32

NetUserEnum
NetApiBufferFree

mpr

WNetCancelConnection2A
WNetAddConnection2A

msvcrt

_except_handler3
__set_app_type
__p__fmode
__p__commode
_controlfp
__setusermatherr
_initterm
__getmainargs
_acmdln
exit
_XcptFilter
_adjust_fdiv
rand
_endthreadex
strncpy
sprintf
_beginthreadex
_exit
srand
time
__CxxFrameHandler
printf

Sections

.text
Size: 20KB - Virtual size: 16KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 4KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 292KB - Virtual size: 291KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 4.4MB - Virtual size: 4.4MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

a49ad1d64126f3ac266ed2f5f4e22129

Headers

File Characteristics

Imports

kernel32

advapi32

ws2_32

netapi32

mpr

msvcrt

Sections

.text Size: 20KB - Virtual size: 16KB

.rdata Size: 4KB - Virtual size: 2KB

.data Size: 292KB - Virtual size: 291KB

.rsrc Size: 4.4MB - Virtual size: 4.4MB

.text
Size: 20KB - Virtual size: 16KB

.rdata
Size: 4KB - Virtual size: 2KB

.data
Size: 292KB - Virtual size: 291KB

.rsrc
Size: 4.4MB - Virtual size: 4.4MB