Static task
static1
Behavioral task
behavioral1
Sample
MEMZ-Destructive.exe
Resource
win7-20230220-en
General
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Target
MEMZ(passsword is password).zip
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Size
50KB
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MD5
750828ca6e24f61408685e5ec5d49ca4
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SHA1
77e4ba9a0893a6dbe21d3e0a3e4e19a33aa354bb
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SHA256
d6a186bd73f8ca38bef4fc39ff164f6a7b9f5e50f3ad920516482454c0887d37
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SHA512
3ccd0e4a0ed8e76d94470e23363894c46ceca980039cc275373cf1505dd3d1d175034cc41fc48dbd105464aa02332a1ad87f70e01cb99d59e149a51903a3f3b4
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SSDEEP
768:D196l+f/oVkKGlFD4/07aIx/lgrjPnlwYi/UH/XMInnfSkjxO9ECEj3:b6l4vS7xn+P8fcInfSkjo9Ep
Malware Config
Signatures
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Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/MEMZ-Clean.exe unpack001/MEMZ-Destructive.exe
Files
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MEMZ(passsword is password).zip.zip
Password: password
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MEMZ-Clean.bat.bat .vbs
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MEMZ-Clean.exe.exe windows x86
Password: password
fa1a2f2198605213f450e3c9a78158a8
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
Sleep
ExitProcess
FormatMessageW
GetCurrentThreadId
GlobalFree
GlobalAlloc
GetModuleHandleW
CreateThread
lstrlenW
GetCurrentProcessId
user32
AdjustWindowRect
MessageBoxA
GetWindowLongW
GetDesktopWindow
EnumWindows
GetWindowThreadProcessId
EndPaint
SendMessageTimeoutW
SendInput
DrawIcon
GetWindowDC
ReleaseDC
MessageBoxW
SetCursorPos
GetCursorPos
GetWindowRect
SetWindowsHookExW
UnhookWindowsHookEx
CallNextHookEx
LoadIconW
BeginPaint
UpdateWindow
GetSystemMetrics
GetKeyState
ShowWindow
CreateWindowExW
RegisterClassExW
DefWindowProcW
SendMessageW
DispatchMessageW
TranslateMessage
EnumChildWindows
RedrawWindow
GetMessageW
IsDialogMessageW
gdi32
CreateFontW
SelectObject
GetObjectW
TextOutW
BitBlt
StretchBlt
GetStockObject
advapi32
CryptAcquireContextW
CryptGenRandom
shell32
ShellExecuteA
winmm
PlaySoundA
comctl32
ord17
Sections
.text Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 5KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 552B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1024B - Virtual size: 736B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 500B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
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MEMZ-Destructive.bat.bat .vbs
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MEMZ-Destructive.exe.exe windows x86
Password: password
52753d226ff5a8a88caf9829928cd5d1
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
WriteFile
CloseHandle
lstrcmpA
lstrcmpW
LoadLibraryA
GetModuleFileNameW
GetCommandLineW
Sleep
SetPriorityClass
CreateToolhelp32Snapshot
Process32FirstW
Process32NextW
GlobalAlloc
GlobalFree
lstrlenW
GetCurrentThreadId
CreateThread
ExitProcess
GetCurrentProcess
OpenProcess
LocalFree
LocalAlloc
CreateFileA
GetProcAddress
user32
GetWindowRect
MessageBoxW
SetCursorPos
GetCursorPos
GetDesktopWindow
EnumChildWindows
CallNextHookEx
LoadIconW
ReleaseDC
UnhookWindowsHookEx
MessageBoxA
GetSystemMetrics
CreateWindowExA
RegisterClassExA
DefWindowProcW
ExitWindowsEx
DispatchMessageW
TranslateMessage
GetWindowDC
DrawIcon
SendInput
SendMessageTimeoutW
GetMessageW
SetWindowsHookExW
gdi32
BitBlt
StretchBlt
advapi32
OpenProcessToken
AdjustTokenPrivileges
LookupPrivilegeValueW
CryptAcquireContextW
CryptGenRandom
shell32
CommandLineToArgvW
ShellExecuteW
ShellExecuteA
ShellExecuteExW
winmm
PlaySoundA
psapi
GetProcessImageFileNameA
Sections
.text Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 404B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 512B - Virtual size: 488B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 524B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ