brozer[.]exe | Triage

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General

Target

brozer.exe
Size

2.5MB
MD5

183e24b654414d7be786ccd8e6a108a5
SHA1

a18e6d0f9d1e67f404985adfa2cc6d756e8680ac
SHA256

69f8cea7a5b6e5de711e9849f4bc0244f1344966364520bc12987f1b90013754
SHA512

8cb2d66a7ffe9e84b9bace8bbd859f050fbf7dc0cb9c4a262bf3467a39d3db43272d40a071fd2867e84a4cd262baa6e5347a46556dcae1a1bffa0497a147850b
SSDEEP

24576:MoEKQByjnqh0lhSMXlybSXuRVRoTahOpEfc:jLzjneSan

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs
Checks for missing Authenticode signature.

Processes:

resource

brozer.exe

resource
brozer.exe

Files

brozer.exe
.exe windows:6 windows x64 arch:x64

06e3eec5fa7862a0cf11cfb70dc048e6

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

ntdll

RtlImageDirectoryEntryToData
RtlLeaveCriticalSection
RtlEnterCriticalSection
RtlCompareMemory
NtProtectVirtualMemory
RtlImageNtHeader
NtQueryVirtualMemory
RtlGetNtVersionNumbers

kernel32

GetEnvironmentStringsW
GetCommandLineW
GetCommandLineA
FindNextFileW
FindFirstFileExW
FindClose
VirtualFree
VirtualAlloc
GetModuleHandleW
LoadLibraryA
WriteFile
CreateFileW
CloseHandle
GetProcAddress
GetCurrentProcess
VirtualQuery
EnterCriticalSection
GetModuleFileNameW
LeaveCriticalSection
MultiByteToWideChar
ExitProcess
WideCharToMultiByte
GetLastError
SetLastError
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
HeapAlloc
HeapFree
GetCurrentThreadId
DeleteCriticalSection
GetStdHandle
GetFileType
FreeEnvironmentStringsW
RaiseException
HeapReAlloc
HeapSize
GetProcessHeap
FlsAlloc
FlsGetValue
FlsSetValue
InitializeCriticalSectionAndSpinCount
GetSystemTimeAsFileTime
FreeLibrary
LoadLibraryExW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetStringTypeW
GetModuleHandleExW
SetFilePointerEx
SetStdHandle
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
WriteConsoleW
QueryPerformanceCounter
GetCurrentProcessId
InitializeSListHead
RtlUnwindEx
RtlPcToFileHeader
EncodePointer
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
DecodePointer
GetStartupInfoW
FlsFree
InitializeCriticalSectionEx

user32

LoadAcceleratorsA
LoadAcceleratorsW

advapi32

GetTokenInformation
OpenProcessToken

Sections

.text
Size: 218KB - Virtual size: 218KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 2.3MB - Virtual size: 2.3MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 11KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 480B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

06e3eec5fa7862a0cf11cfb70dc048e6

Headers

DLL Characteristics

File Characteristics

Imports

ntdll

kernel32

user32

advapi32

Sections

.text Size: 218KB - Virtual size: 218KB

.rdata Size: 2.3MB - Virtual size: 2.3MB

.data Size: 4KB - Virtual size: 10KB

.pdata Size: 11KB - Virtual size: 11KB

.rsrc Size: 512B - Virtual size: 480B

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

.text
Size: 218KB - Virtual size: 218KB

.rdata
Size: 2.3MB - Virtual size: 2.3MB

.data
Size: 4KB - Virtual size: 10KB

.pdata
Size: 11KB - Virtual size: 11KB

.rsrc
Size: 512B - Virtual size: 480B

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