Static task
static1
Behavioral task
behavioral1
Sample
MEMZ 4.0 Clean/MEMZ.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
MEMZ 4.0 Clean/MEMZ.exe
Resource
win10v2004-20240611-en
General
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Target
VIRUSES.zip
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Size
23KB
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MD5
be2f559b97278f40ddd255e0f494320a
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SHA1
dc1a02c3dd29748e9d1a73549b6c6fd9af2e71e0
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SHA256
764ad7142e6104dc3448bb6de639ae06164f1ce7095d248b64f1efe705d79cdf
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SHA512
1c40bd726b70012947cabeb342e6041fcd7cff9a38627f563e0b8e56d91cd2eda8bc565d99d9821c1180c3155f03d32ed0f37e7797df34fa2eac84492f925dba
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SSDEEP
384:D0z8nz9zAiGfprKjuguQjv2Ccfezb2mlnUJiZjWrg9tcxxIwtqizpW4QMWO0mw3c:D0YzBAiGhrKjughjaezpnPgPI8WOnw3c
Malware Config
Signatures
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Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/MEMZ 4.0 Clean/MEMZ-Clean.exe unpack001/MEMZ 4.0 Clean/MEMZ.exe
Files
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VIRUSES.zip.zip
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MEMZ 4.0 Clean/MEMZ-Clean.bat.bat .vbs
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MEMZ 4.0 Clean/MEMZ-Clean.exe.exe windows:5 windows x86 arch:x86
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 4.0 Clean/MEMZ.exe.exe windows:5 windows x86 arch:x86
2eb516ca11536a75b455bb2361a5a574
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
CreateFileA
Sleep
CreateToolhelp32Snapshot
Process32FirstW
Process32NextW
GlobalAlloc
GlobalFree
GetModuleHandleW
lstrlenW
GetCurrentThreadId
CreateThread
ExitProcess
GetCurrentProcess
OpenProcess
LocalFree
LocalAlloc
SetPriorityClass
GetProcAddress
user32
MessageBoxW
SetCursorPos
GetCursorPos
GetDesktopWindow
EnumChildWindows
CallNextHookEx
LoadIconW
GetWindowRect
SetWindowsHookExW
MessageBoxA
CreateWindowExA
RegisterClassExA
DefWindowProcW
ExitWindowsEx
DispatchMessageW
TranslateMessage
GetWindowDC
DrawIcon
GetSystemMetrics
SendMessageTimeoutW
SendInput
GetMessageW
UnhookWindowsHookEx
gdi32
BitBlt
StretchBlt
advapi32
OpenProcessToken
AdjustTokenPrivileges
LookupPrivilegeValueW
CryptAcquireContextW
CryptGenRandom
shell32
CommandLineToArgvW
ShellExecuteW
ShellExecuteA
ShellExecuteExW
winmm
waveOutWrite
PlaySoundA
waveOutPrepareHeader
waveOutOpen
psapi
GetProcessImageFileNameA
Sections
.text Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 9KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 624B
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: 1024B - Virtual size: 528B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
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__MACOSX/._MEMZ 4.0 Clean
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__MACOSX/MEMZ 4.0 Clean/._MEMZ-Clean.bat
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__MACOSX/MEMZ 4.0 Clean/._MEMZ-Clean.exe
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__MACOSX/MEMZ 4.0 Clean/._MEMZ.exe