maldev[.]bin | Triage

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General

Target

maldev.bin
Size

917KB
MD5

c62030e94bf8e0a5ed2e0b8214439fb2
SHA1

83346a4b582a350c3b10a70c971ebc6ec24cf805
SHA256

7318e6f7a2f0b872b290104a2f6dcaa8747d062e973cf8c5d5323f51cf51faf6
SHA512

8795bf91e54347f446141aee302494567fe819e79d48fab79b32d8ace920db7a6e6d8f03ed9f965f648e5e0beacd24d1045040158b7216307037a1942ff6c7a7
SSDEEP

12288:I6oX3noaUlkkBl5GuqdMqUv66WT2nBhVa5P/BRNAKrZXZMZYZ8WKmNUNJX/:I6q3klkkBlBqA66WTOpaXR5Y8Ub/

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
maldev.bin

Files

maldev.bin
.exe windows:4 windows x86 arch:x86

fb877db5193a6cda9cbf3f1691ed62bc

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
IMAGE_FILE_DEBUG_STRIPPED

Imports

advapi32

GetUserNameA

kernel32

AllocConsole
CloseHandle
CreateSemaphoreW
DeleteCriticalSection
EnterCriticalSection
ExitProcess
FindClose
FindFirstFileA
FindNextFileA
FreeLibrary
GetCommandLineA
GetComputerNameA
GetCurrentDirectoryA
GetCurrentThreadId
GetLastError
GetModuleHandleA
GetProcAddress
InitializeCriticalSection
InterlockedDecrement
InterlockedExchange
InterlockedIncrement
IsDBCSLeadByteEx
LeaveCriticalSection
LoadLibraryA
MultiByteToWideChar
ReleaseSemaphore
SetLastError
SetUnhandledExceptionFilter
Sleep
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
VirtualProtect
VirtualQuery
WaitForSingleObject
WideCharToMultiByte

msvcrt

_fdopen
_fstat
_lseek
_read
_strdup
_stricoll
_write
__getmainargs
__mb_cur_max
__p__environ
__p__fmode
__set_app_type
_cexit
_errno
_filbuf
_flsbuf
_fpreset
_fullpath
_iob
_isctype
_onexit
_pctype
_setmode
abort
atexit
atoi
calloc
exit
fclose
fflush
fopen
fputc
fputs
fread
free
fseek
ftell
fwrite
getenv
getwc
iswctype
localeconv
malloc
mbstowcs
memchr
memcmp
memcpy
memmove
memset
putwc
realloc
setlocale
setvbuf
signal
sprintf
strcat
strchr
strcmp
strcoll
strerror
strftime
strlen
strncmp
strtod
strtoul
strxfrm
tolower
towlower
towupper
ungetc
ungetwc
vfprintf
wcscoll
wcsftime
wcslen
wcstombs
wcsxfrm

user32

FindWindowA
ShowWindow

ws2_32

WSACleanup
WSAStartup
closesocket
connect
htons
inet_addr
recv
send
socket

Sections

.text
Size: 635KB - Virtual size: 634KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 7KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 41KB - Virtual size: 41KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.eh_fram
Size: 228KB - Virtual size: 228KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 2KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 24B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 32B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

fb877db5193a6cda9cbf3f1691ed62bc

Headers

File Characteristics

Imports

advapi32

kernel32

msvcrt

user32

ws2_32

Sections

.text Size: 635KB - Virtual size: 634KB

.data Size: 7KB - Virtual size: 6KB

.rdata Size: 41KB - Virtual size: 41KB

.eh_fram Size: 228KB - Virtual size: 228KB

.bss Size: - Virtual size: 2KB

.idata Size: 3KB - Virtual size: 3KB

.CRT Size: 512B - Virtual size: 24B

.tls Size: 512B - Virtual size: 32B

.text
Size: 635KB - Virtual size: 634KB

.data
Size: 7KB - Virtual size: 6KB

.rdata
Size: 41KB - Virtual size: 41KB

.eh_fram
Size: 228KB - Virtual size: 228KB

.bss
Size: - Virtual size: 2KB

.idata
Size: 3KB - Virtual size: 3KB

.CRT
Size: 512B - Virtual size: 24B

.tls
Size: 512B - Virtual size: 32B