memorycrasher[.]exe

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General

Target

memorycrasher.exe
Size

7.4MB
MD5

c7939542e04dc12cda89e16988c1d644
SHA1

865a3e28cfb0d486e4991e79c88b4a1dad72c023
SHA256

d886242146ab1d4112ab2b19392f6c75e558a3cdbcd9b9c6bc8d5c47f6981068
SHA512

b833f2b2b6d5f1e6d3ae4e2ca473680defc55aa50866bf70fd6e0679e1aeaebbcd615bfc85b4eb31b388bc87adada814b32dba8a3d9423c1ab18273a9b7178e2
SSDEEP

196608:naRzqn8z/yRjbCOD7iZd9O5cvTHz1cEs8g5zRnBVlzR:UzqxRxOdA5mTWEe5zRnLz

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
memorycrasher.exe

Files

memorycrasher.exe
.exe windows:4 windows x86 arch:x86

340b26a6ac96e1f65d062cee2842c6ed

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE

Imports

oleaut32

SysAllocStringLen
SysAllocString
VariantClear
SysFreeString
SysStringLen

ole32

CoUninitialize
CoTaskMemFree
CoCreateInstance
CoInitialize
OleInitialize

user32

CheckDlgButton
IsDlgButtonChecked
EndDialog
SetDlgItemTextW
GetFocus
SetFocus
GetKeyState
InvalidateRect
SetWindowTextW
EnableWindow
PostMessageW
MessageBoxW
DialogBoxParamW
SetWindowLongW
GetWindowLongW
SetTimer
GetParent
ShowWindow
MoveWindow
ScreenToClient
GetDlgItem
GetWindowRect
MapDialogRect
MonitorFromWindow
GetMonitorInfoA
SystemParametersInfoW
GetWindowTextLengthW
GetWindowTextW
SendMessageW
LoadStringW
SetClipboardData
EmptyClipboard
CloseClipboard
OpenClipboard
CharUpperW
LoadIconW
SetCursor
LoadCursorW
KillTimer

shell32

SHBrowseForFolderW
SHGetFileInfoW
SHGetPathFromIDListW

msvcrt

free
wcsstr
wcscmp
strlen
_beginthreadex
_except_handler3
??1type_info@@UAE@XZ
?terminate@@YAXXZ
__dllonexit
_onexit
_exit
_XcptFilter
exit
_acmdln
__getmainargs
_initterm
__setusermatherr
_adjust_fdiv
__p__commode
__p__fmode
__set_app_type
_controlfp
memcpy
memmove
memset
_purecall
memcmp
_CxxThrowException
__CxxFrameHandler
malloc

kernel32

GetStartupInfoA
InitializeCriticalSection
ReleaseSemaphore
CreateSemaphoreW
ResetEvent
SetEvent
CreateEventW
WaitForSingleObject
GetVersion
IsProcessorFeaturePresent
VirtualFree
VirtualAlloc
SetPriorityClass
WaitForMultipleObjects
DeleteCriticalSection
Sleep
EnterCriticalSection
LeaveCriticalSection
GetStdHandle
GlobalMemoryStatus
GetSystemInfo
GetCurrentProcess
GetProcessAffinityMask
FileTimeToLocalFileTime
FileTimeToSystemTime
CompareFileTime
GlobalFree
GlobalAlloc
SetEndOfFile
WriteFile
ReadFile
SetFilePointer
GetFileSize
GetLogicalDriveStringsW
GetFileInformationByHandle
GetFileAttributesW
GetModuleHandleA
FindNextFileW
FindFirstFileW
FindClose
GetTickCount
GetCurrentDirectoryW
SetLastError
DeleteFileW
CreateDirectoryW
GetModuleHandleW
MoveFileW
RemoveDirectoryW
SetFileAttributesW
CreateFileW
SetFileTime
CloseHandle
GetSystemDirectoryW
FormatMessageW
LocalFree
GetModuleFileNameW
LoadLibraryExW
GlobalLock
GlobalUnlock
MultiByteToWideChar
GetLastError
LoadLibraryW
GetProcAddress
FreeLibrary
GetCommandLineW
GetVersionExW

Sections

.text
Size: 171KB - Virtual size: 170KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 26KB - Virtual size: 26KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 17KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.sxdata
Size: 512B - Virtual size: 4B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 10KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

340b26a6ac96e1f65d062cee2842c6ed

Headers

DLL Characteristics

File Characteristics

Imports

oleaut32

ole32

user32

shell32

msvcrt

kernel32

Sections

.text Size: 171KB - Virtual size: 170KB

.rdata Size: 26KB - Virtual size: 26KB

.data Size: 512B - Virtual size: 17KB

.sxdata Size: 512B - Virtual size: 4B

.rsrc Size: 10KB - Virtual size: 9KB

.text
Size: 171KB - Virtual size: 170KB

.rdata
Size: 26KB - Virtual size: 26KB

.data
Size: 512B - Virtual size: 17KB

.sxdata
Size: 512B - Virtual size: 4B

.rsrc
Size: 10KB - Virtual size: 9KB