njrat | Bloxstrap[.]exe

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General

Target

Bloxstrap.exe
Size

11.2MB
MD5

29ca7831b80bf263095bb878555b5161
SHA1

7190385a69c313a6cc9d60a17434b2227d01edc3
SHA256

c32a5b371401abc7904e2bfaddc23f69ef7c8a7d40bd3e7a8f045f6de64a3201
SHA512

4c3b75db351f59a5842d6bb4d212cdf25282525bf5683864b40580e56c3976464e335bcd5d737da990a4737ea4a217a494fac56868700a9db41e4af4b24dae06
SSDEEP

98304:ksqZ+pv3Tscod5DFasb/r5vGWD3EOYoHwfLk3vSmaR0+Mc4AN0edaAHDfysrTlUv:ksqZ+pLscVsb/r5vGlObAbN0

Score

10^/10

njrat

Malware Config

Signatures

Njrat family
njrat

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Bloxstrap.exe

Files

Bloxstrap.exe
.exe windows:5 windows x86 arch:x86

9222d372923baed7aa9dfa28449a94ea

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

PDB Paths

C:\Users\DarkCoderSc\Desktop\Celesty Binder\Stub\STATIC\Stub.pdb

Imports

kernel32

CreateFileA
FindResourceA
FreeLibrary
LoadResource
WriteFile
SizeofResource
GetProcAddress
LoadLibraryA
LockResource
EnumResourceNamesA
CloseHandle
FreeResource
GetWindowsDirectoryA
OutputDebugStringA
GetTempPathA
GetModuleHandleW
ExitProcess
DecodePointer
EncodePointer
GetCommandLineA
HeapSetInformation
GetStartupInfoW
RaiseException
TerminateProcess
GetCurrentProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
HeapAlloc
GetLastError
HeapFree
IsProcessorFeaturePresent
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
LeaveCriticalSection
EnterCriticalSection
LoadLibraryW
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
InterlockedIncrement
SetLastError
GetCurrentThreadId
InterlockedDecrement
GetStdHandle
GetModuleFileNameW
Sleep
HeapSize
GetModuleFileNameA
FreeEnvironmentStringsW
WideCharToMultiByte
GetEnvironmentStringsW
SetHandleCount
GetFileType
HeapCreate
QueryPerformanceCounter
GetTickCount
GetCurrentProcessId
GetSystemTimeAsFileTime
RtlUnwind
GetCPInfo
GetACP
GetOEMCP
IsValidCodePage
HeapReAlloc
LCMapStringW
MultiByteToWideChar
GetStringTypeW

shell32

ShellExecuteA
SHGetSpecialFolderPathA

Sections

.text
Size: 30KB - Virtual size: 30KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 11.2MB - Virtual size: 11.2MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

9222d372923baed7aa9dfa28449a94ea

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

shell32

Sections

.text Size: 30KB - Virtual size: 30KB

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

.data Size: 3KB - Virtual size: 6KB

.rsrc Size: 11.2MB - Virtual size: 11.2MB

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

.text
Size: 30KB - Virtual size: 30KB

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

.data
Size: 3KB - Virtual size: 6KB

.rsrc
Size: 11.2MB - Virtual size: 11.2MB

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