BackdoorDLLworm[.]bin

General

Target

BackdoorDLLworm.bin
Size

76KB
MD5

4613f51087f01715bf9132c704aea2c2
SHA1

6b1ddf0e63e04146d68cd33b0e18e668b29035c4
SHA256

a1c483b0ee740291b91b11e18dd05f0a460127acfc19d47b446d11cd0e26d717
SHA512

37fa5336d1554557250e4a3bcb4ccfca79f4873264cb161dee340d35a2f8f17f7853fe942809bb343ac1eae0a37122b5e8fd703a9b820ec96abb65c8327c1b6a
SSDEEP

768:qtT2AxNtcgpqLepcy2y6/chYdP8KuSFM+Cs5CBaho9S4AJKqBz8MZdVsrQVBnVGa:qwONtBqL1dDMrs5CN9S4A3HOYBnVL

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
BackdoorDLLworm.bin

Files

BackdoorDLLworm.bin
.dll windows:4 windows x86 arch:x86

f6f7b2e00921129d18061822197111cd

Headers

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

Imports

kernel32

SetFileAttributesA
FindClose
FindNextFileA
RemoveDirectoryA
FindFirstFileA
Sleep
LocalAlloc
GetLocalTime
WaitForSingleObject
CreateThread
CloseHandle
GlobalFree
GlobalAlloc
GetProcAddress
LoadLibraryA
GetModuleHandleA
OutputDebugStringA
LeaveCriticalSection
EnterCriticalSection
WaitForMultipleObjects
DeleteCriticalSection
InitializeCriticalSection
GetLocaleInfoA
GetVersionExA
GetModuleFileNameA
GetSystemDirectoryA
GetTickCount

user32

ShowWindow
DialogBoxParamA

advapi32

SetServiceStatus

oleaut32

SystemTimeToVariantTime

msvcrt

_stricmp
_adjust_fdiv
strncpy
strstr
sprintf
rand
srand
__CxxFrameHandler
strncmp
??2@YAPAXI@Z
_endthreadex
fclose
fread
fopen
fwrite
_strupr
free
malloc
??0exception@@QAE@ABV0@@Z
??1exception@@UAE@XZ
??0exception@@QAE@ABQBD@Z
_CxxThrowException
_except_handler3
_EH_prolog
memset
memcpy
??1type_info@@UAE@XZ
_initterm

Exports

Exports

??0CMssvcdll@@QAE@XZ
??4CMssvcdll@@QAEAAV0@ABV0@@Z
?fnMssvcdll@@YAHXZ
?nMssvcdll@@3HA
ServiceMain

Sections

.text
Size: 40KB - Virtual size: 39KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 20KB - Virtual size: 17KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 55KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 4KB - Virtual size: 640B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

f6f7b2e00921129d18061822197111cd

Headers

File Characteristics

Imports

kernel32

user32

advapi32

oleaut32

msvcrt

Exports

Exports

Sections

.text Size: 40KB - Virtual size: 39KB

.rdata Size: 20KB - Virtual size: 17KB

.data Size: 4KB - Virtual size: 55KB

.rsrc Size: 4KB - Virtual size: 640B

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

.text
Size: 40KB - Virtual size: 39KB

.rdata
Size: 20KB - Virtual size: 17KB

.data
Size: 4KB - Virtual size: 55KB

.rsrc
Size: 4KB - Virtual size: 640B

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