Bromine[.]exe | Triage

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General

Target

Bromine.exe
Size

24KB
MD5

36ab990e7ad0611aa110d01a8c86a702
SHA1

3006427e8e802520ebeed0b7749eba81148b8a3c
SHA256

b8058f7fb9ce6094037f4092e6676e7500719c5ecc407f69bac916feeef69748
SHA512

7bb1fbc23b29761ebfd79cb0b8ab904875c48c9523650ea398c76ead18ca2f1c871511d94a76f0eb47bb6c2e054836e995829f8ae737904964e4ad234a44bfcf
SSDEEP

384:XbuLBd2XcHXSYxj3Utsi9kxqhspsLXDpZ3Su:XiCcHXSYxZtp8DGu

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Bromine.exe

Files

Bromine.exe
.exe windows:4 windows x86 arch:x86

314841f92bc69a32c51236c8d987fdf9

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

kernel32

CloseHandle
CreateFileW
CreateThread
DeleteCriticalSection
EnterCriticalSection
ExitProcess
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetLastError
GetStartupInfoA
GetSystemTimeAsFileTime
GetTickCount
InitializeCriticalSection
LeaveCriticalSection
QueryPerformanceCounter
SetUnhandledExceptionFilter
Sleep
TerminateProcess
TerminateThread
TlsGetValue
UnhandledExceptionFilter
VirtualAlloc
VirtualProtect
VirtualQuery
WriteFile

ntdll

NtRaiseHardError
RtlAdjustPrivilege
memcpy
memset
sin
strlen
wcslen

winmm

PlaySoundW
waveOutClose
waveOutOpen
waveOutPrepareHeader
waveOutUnprepareHeader
waveOutWrite

gdi32

BitBlt
CreateBitmap
CreateCompatibleDC
CreateEllipticRgn
CreateSolidBrush
DeleteDC
DeleteObject
GetBitmapBits
PatBlt
PlgBlt
SelectClipRgn
SelectObject
SetBitmapBits
SetBkColor
SetTextColor
TextOutW

msvcrt

__dllonexit
__getmainargs
__initenv
__lconv_init
__set_app_type
__setusermatherr
_acmdln
_amsg_exit
_cexit
_fmode
_initterm
_iob
_lock
_onexit
_unlock
abort
calloc
exit
fprintf
free
fwrite
malloc
rand
signal
strncmp
vfprintf

user32

EnumChildWindows
GetDC
GetDesktopWindow
GetSystemMetrics
GetWindowDC
GetWindowRect
InvalidateRect
MessageBoxW
ReleaseDC
ShowWindow

Sections

.text
Size: 12KB - Virtual size: 12KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 44B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 1KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 52B

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

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

314841f92bc69a32c51236c8d987fdf9

Headers

File Characteristics

Imports

kernel32

ntdll

winmm

gdi32

msvcrt

user32

Sections

.text Size: 12KB - Virtual size: 12KB

.data Size: 512B - Virtual size: 44B

.rdata Size: 3KB - Virtual size: 2KB

.bss Size: - Virtual size: 1KB

.idata Size: 3KB - Virtual size: 2KB

.CRT Size: 512B - Virtual size: 52B

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

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

.text
Size: 12KB - Virtual size: 12KB

.data
Size: 512B - Virtual size: 44B

.rdata
Size: 3KB - Virtual size: 2KB

.bss
Size: - Virtual size: 1KB

.idata
Size: 3KB - Virtual size: 2KB

.CRT
Size: 512B - Virtual size: 52B

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

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