nullcore[.]dll

Sharing

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General

Target

nullcore.dll
Size

1.9MB
MD5

911e3775356c0331da85079c70baf67e
SHA1

2a789547508182e16a067d9bef9ea90add64c5c5
SHA256

e09eddfcef77f4195c653a2ccc8cd3d6107d469aaf0d14df5c979cb2b498fb95
SHA512

57001f60990f92627d04b1b1114632f39d0133672499eb79087529d9c459e9322e6a255a1f6092a262037a91f5c61c0f4a5b33f67c9b1a9155b77b038ba89e2e
SSDEEP

24576:Uv2FgPCZ0DrclXbMJj2Ev326uA6d695cUDLizNpdGkQ748w/tzs+NF7F:82FgPCZ0DrclX22NAJ92iLix926fxF

Score

1^/10

Malware Config

Signatures

Files

nullcore.dll
.dll windows x86

7d33085ec7b047521da96fa9c729072e

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

VirtualAlloc
GetModuleHandleA
Sleep
DisableThreadLibraryCalls
LoadLibraryA
CloseHandle
CreateThread
Beep
GetProcAddress
GetTickCount
VirtualFree
VirtualQuery
HeapCreate
VirtualProtect
HeapFree
GetCurrentProcess
Thread32Next
Thread32First
GetCurrentThreadId
SuspendThread
ResumeThread
CreateToolhelp32Snapshot
GetLastError
HeapReAlloc
HeapAlloc
GetThreadContext
GetCurrentProcessId
GetModuleHandleW
FlushInstructionCache
SetThreadContext
OpenThread
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
SetEvent
ResetEvent
WaitForSingleObjectEx
CreateEventW
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
QueryPerformanceCounter
GetSystemTimeAsFileTime
InitializeSListHead

user32

MessageBoxA

msvcp140

?_Xlength_error@std@@YAXPBD@Z
?_Xout_of_range@std@@YAXPBD@Z

vcruntime140

__std_exception_destroy
memset
_CxxThrowException
_except_handler4_common
__std_exception_copy
__std_type_info_destroy_list
memcpy

api-ms-win-crt-utility-l1-1-0

srand
rand

api-ms-win-crt-stdio-l1-1-0

__stdio_common_vsprintf_s
__stdio_common_vsprintf

api-ms-win-crt-runtime-l1-1-0

_initterm
_configure_narrow_argv
_cexit
_crt_atexit
_execute_onexit_table
_register_onexit_function
_invalid_parameter_noinfo_noreturn
_initialize_narrow_environment
_initialize_onexit_table
_seh_filter_dll
_initterm_e

api-ms-win-crt-heap-l1-1-0

_callnewh
malloc
free

Sections

.text
Size: 17KB - Virtual size: 17KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 8KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1.9MB - Virtual size: 1.9MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

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

7d33085ec7b047521da96fa9c729072e

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

msvcp140

vcruntime140

api-ms-win-crt-utility-l1-1-0

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-heap-l1-1-0

Sections

.text Size: 17KB - Virtual size: 17KB

.rdata Size: 8KB - Virtual size: 7KB

.data Size: 1.9MB - Virtual size: 1.9MB

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

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

.text
Size: 17KB - Virtual size: 17KB

.rdata
Size: 8KB - Virtual size: 7KB

.data
Size: 1.9MB - Virtual size: 1.9MB

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

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