BackdoorWormSMB2[.]0[.]exe

General

Target

BackdoorWormSMB2.0.exe
Size

204KB
MD5

4731cbaee7aca37b596e38690160a749
SHA1

80fac6361184a3e24b33f6acb8688a6b7276b0f2
SHA256

077d9e0e12357d27f7f0c336239e961a7049971446f7a3f10268d9439ef67885
SHA512

9fdc1bf087d3e2fa80ff4ed749b11a2b3f863bed7a59850f6330fc1467c38eed052eee0337d2f82f9fe8e145f68199b966ae3c08f7ad1475b665beb8cd29f6d7
SSDEEP

6144:M6atGpHk4NdSksOBbNUyb4ajb1TWiYW9ebYwtJEGLYMYR4:Msdk4NdSksOv

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
BackdoorWormSMB2.0.exe

Files

BackdoorWormSMB2.0.exe
.exe windows:4 windows x86 arch:x86

e8cd12071a8e823ebc434c8ee3e23203

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

Sleep
GetSystemDirectoryA
GetWindowsDirectoryA
GetModuleFileNameA
FindResourceA
GetStringTypeA
LCMapStringW
LCMapStringA
MultiByteToWideChar
SetEndOfFile
LoadResource
LockResource
SizeofResource
DeleteFileA
CreateFileA
SetFileTime
CloseHandle
WriteFile
GetTickCount
GetLocalTime
SystemTimeToFileTime
GetFileAttributesA
CreateDirectoryA
GetModuleHandleA
GetStartupInfoA
GetCommandLineA
GetVersion
ExitProcess
HeapFree
GetLastError
ReadFile
HeapAlloc
TerminateProcess
GetCurrentProcess
UnhandledExceptionFilter
FreeEnvironmentStringsA
FreeEnvironmentStringsW
WideCharToMultiByte
GetEnvironmentStrings
GetEnvironmentStringsW
SetHandleCount
GetStdHandle
GetFileType
HeapDestroy
HeapCreate
VirtualFree
RtlUnwind
VirtualAlloc
HeapReAlloc
SetStdHandle
FlushFileBuffers
SetFilePointer
GetCPInfo
GetACP
GetOEMCP
GetProcAddress
LoadLibraryA
GetStringTypeW

user32

ShowWindow
EndDialog
PostQuitMessage
DialogBoxParamA

advapi32

OpenSCManagerA
OpenServiceA
CloseServiceHandle
QueryServiceStatus
ControlService
DeleteService
RegOpenKeyExA
RegSetValueExA
RegCloseKey
CreateServiceA
ChangeServiceConfig2A
RegCreateKeyA
StartServiceA

Sections

.text
Size: 24KB - Virtual size: 21KB

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: 4KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 168KB - Virtual size: 165KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

e8cd12071a8e823ebc434c8ee3e23203

Headers

File Characteristics

Imports

kernel32

user32

advapi32

Sections

.text Size: 24KB - Virtual size: 21KB

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

.data Size: 4KB - Virtual size: 11KB

.rsrc Size: 168KB - Virtual size: 165KB

.text
Size: 24KB - Virtual size: 21KB

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

.data
Size: 4KB - Virtual size: 11KB

.rsrc
Size: 168KB - Virtual size: 165KB