rainbow[.]exe | Triage

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General

Target

rainbow.exe
Size

87KB
MD5

4f5e87ff89b4f604820d576bae351567
SHA1

d6c01d648fdeee9d147e483f6928581e6626b73c
SHA256

f94647601e7f0f55c2c9444cea1113781a1f1976bab937f20945e241c59d2fd3
SHA512

2959664065e9ff185d78244fec4793124101abcdc265d5eb36e62d42673abd4f708c5112ca95534b2030bb15decf333d79026f6797e135d2be244675ee2456dc
SSDEEP

1536:QeQ+p4MVD2n5/AlViTgxpYfWQt0xp9SzqEn//nJA/cJP5L5qRP8qWm+ftUw:GMVD2n5/AAQmWMqy36/cJP5L5K8jm+fr

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
rainbow.exe

Files

rainbow.exe
.exe windows:4 windows x64 arch:x64

d44f8563272957c04842060ff8564cb5

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

kernel32

AddVectoredExceptionHandler
CloseHandle
CreateEventA
CreateSemaphoreA
DeleteCriticalSection
DuplicateHandle
EnterCriticalSection
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetHandleInformation
GetLastError
GetProcessAffinityMask
GetSystemTimeAsFileTime
GetThreadContext
GetThreadPriority
GetTickCount64
InitializeCriticalSection
IsDBCSLeadByteEx
IsDebuggerPresent
LeaveCriticalSection
MultiByteToWideChar
OpenProcess
OutputDebugStringA
RaiseException
ReleaseSemaphore
RemoveVectoredExceptionHandler
ResetEvent
ResumeThread
SetEvent
SetLastError
SetProcessAffinityMask
SetThreadContext
SetThreadPriority
SetUnhandledExceptionFilter
Sleep
SuspendThread
TlsAlloc
TlsGetValue
TlsSetValue
TryEnterCriticalSection
VirtualProtect
VirtualQuery
WaitForMultipleObjects
WaitForSingleObject
WideCharToMultiByte
__C_specific_handler

msvcrt

___lc_codepage_func
___mb_cur_max_func
__getmainargs
__initenv
__iob_func
__set_app_type
__setusermatherr
_amsg_exit
_beginthreadex
_cexit
_commode
_errno
_endthreadex
_fmode
_initterm
_lock
free
memcpy
memmove
memset
printf
_onexit
_ultoa
_unlock
_setjmp
abort
calloc
exit
fflush
fprintf
fputc
fwrite
localeconv
longjmp
malloc
puts
realloc
signal
strerror
strlen
strncmp
system
vfprintf
wcslen
_strdup

ws2_32

WSAGetLastError
WSAStartup
bind
htons
inet_addr
inet_ntoa
ntohs
recvfrom
sendto
socket

Sections

.text
Size: 55KB - Virtual size: 55KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 304B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

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: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 104B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 512B - Virtual size: 140B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/4
Size: 512B - Virtual size: 48B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/19
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/31
Size: 1024B - Virtual size: 577B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/45
Size: 1024B - Virtual size: 528B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/57
Size: 512B - Virtual size: 208B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/70
Size: 512B - Virtual size: 55B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/81
Size: 1024B - Virtual size: 531B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

d44f8563272957c04842060ff8564cb5

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

msvcrt

ws2_32

Sections

.text Size: 55KB - Virtual size: 55KB

.data Size: 512B - Virtual size: 304B

.rdata Size: 5KB - Virtual size: 4KB

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

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

.bss Size: - Virtual size: 2KB

.idata Size: 4KB - Virtual size: 3KB

.CRT Size: 512B - Virtual size: 104B

.tls Size: 512B - Virtual size: 16B

.rsrc Size: 1KB - Virtual size: 1KB

.reloc Size: 512B - Virtual size: 140B

/4 Size: 512B - Virtual size: 48B

/19 Size: 3KB - Virtual size: 3KB

/31 Size: 1024B - Virtual size: 577B

/45 Size: 1024B - Virtual size: 528B

/57 Size: 512B - Virtual size: 208B

/70 Size: 512B - Virtual size: 55B

/81 Size: 1024B - Virtual size: 531B

.text
Size: 55KB - Virtual size: 55KB

.data
Size: 512B - Virtual size: 304B

.rdata
Size: 5KB - Virtual size: 4KB

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

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

.bss
Size: - Virtual size: 2KB

.idata
Size: 4KB - Virtual size: 3KB

.CRT
Size: 512B - Virtual size: 104B

.tls
Size: 512B - Virtual size: 16B

.rsrc
Size: 1KB - Virtual size: 1KB

.reloc
Size: 512B - Virtual size: 140B

/4
Size: 512B - Virtual size: 48B

/19
Size: 3KB - Virtual size: 3KB

/31
Size: 1024B - Virtual size: 577B

/45
Size: 1024B - Virtual size: 528B

/57
Size: 512B - Virtual size: 208B

/70
Size: 512B - Virtual size: 55B

/81
Size: 1024B - Virtual size: 531B