Backrooms[.]exe

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General

Target

Backrooms.exe
Size

382KB
MD5

18366315188fcc703715e0f854d053a1
SHA1

c50042c8e8d4cef13405984e8e70974b924a8546
SHA256

6cfaf11f648b646f60042a74471bbab38d5a0283f158cf0403380709e016b6e2
SHA512

e528b6922e957e726ea34185f5cb16f8a7eb05b69f5df71ebd97ed76db283802696dde88d200515d5cfdb4b32f841963b4c16e70c1693920532c0015afdb69b3
SSDEEP

6144:gVrHeL+9xIVJ1eAfxtuRLnBRwjghgsjkEjQciQaxtkXsT/V9zMyMEaTz:gVr+acn17xcyEhgsjk3ciLwsR9zMyZi

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Backrooms.exe

Files

Backrooms.exe
.exe windows:6 windows x64 arch:x64

Password: password

e5fd3bf866baeff55ff34b7bd9ed8363

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

kernel32

GetExitCodeProcess
CreateProcessW
GetModuleFileNameW
LoadResource
LockResource
WaitForSingleObject
FindResourceW
LoadLibraryW
WriteConsoleW
CreateFileW
GetLastError
CloseHandle
SizeofResource
GetFileAttributesW
GetConsoleMode
GetConsoleCP
FlushFileBuffers
HeapReAlloc
HeapSize
SetFilePointerEx
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
RtlUnwindEx
RtlPcToFileHeader
RaiseException
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
GetStdHandle
WriteFile
ExitProcess
GetModuleHandleExW
HeapFree
HeapAlloc
GetFileType
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
MultiByteToWideChar
WideCharToMultiByte
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetStdHandle
GetStringTypeW
LCMapStringW
GetProcessHeap

user32

wsprintfW
MessageBoxW

advapi32

RegOpenKeyExW
RegCloseKey
RegQueryValueExW

shell32

ShellExecuteExW

shlwapi

PathCombineW
PathRemoveFileSpecW
PathCanonicalizeW

Sections

.text
Size: 62KB - Virtual size: 61KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 42KB - Virtual size: 41KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 148B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 268KB - Virtual size: 267KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Password: password

e5fd3bf866baeff55ff34b7bd9ed8363

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

advapi32

shell32

shlwapi

Sections

.text Size: 62KB - Virtual size: 61KB

.rdata Size: 42KB - Virtual size: 41KB

.data Size: 3KB - Virtual size: 7KB

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

_RDATA Size: 512B - Virtual size: 148B

.rsrc Size: 268KB - Virtual size: 267KB

.reloc Size: 2KB - Virtual size: 1KB

.text
Size: 62KB - Virtual size: 61KB

.rdata
Size: 42KB - Virtual size: 41KB

.data
Size: 3KB - Virtual size: 7KB

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

_RDATA
Size: 512B - Virtual size: 148B

.rsrc
Size: 268KB - Virtual size: 267KB

.reloc
Size: 2KB - Virtual size: 1KB