matanbuchus_20240326[.]zip

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General

Target

matanbuchus_20240326.zip
Size

148KB
MD5

d45b14fa731f241e07c598f4d7c4c8ad
SHA1

c32d160a2dd537657ba4787f834d8b160f059c94
SHA256

1f2e933cd2256878324ba1766acef4e297b92c01cb4cb88135a3779fe4659a20
SHA512

e115f76f613b54f71958ae5f2e4a4de889c3e82624c70ef0da8e6cd70c63604013ae2446b6dbed928768661905f6aafaccf88f02d082914705d00423712b1fbd
SSDEEP

3072:QWCUd+EVLrE5AcMV4nBnXYBgccmCrGJvKBmZMsW6dQR97a3tRm1BeQ:QWCMVLrE5AcPnxl/BqvZOZQI

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/matanbuchus_20240326/Dad.dll

Files

matanbuchus_20240326.zip
.zip

Password: infected
matanbuchus_20240326/.DS_Store
matanbuchus_20240326/Dad.dll
.dll regsvr32 windows:6 windows x86 arch:x86

c54312c8f26c83c247a922c8510d9a3d

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

Imports

kernel32

DecodePointer
GetLastError
SetLastError
HeapDestroy
HeapAlloc
HeapReAlloc
HeapFree
HeapSize
GetProcessHeap
InitializeCriticalSectionEx
DeleteCriticalSection
Sleep
lstrlenA
lstrlenW
IsValidCodePage
GetOEMCP
SetUnhandledExceptionFilter
CreateThread
OpenProcess
CreateFileW
CloseHandle
GetConsoleMode
GetConsoleOutputCP
IsDebuggerPresent
OutputDebugStringW
RaiseException
EnterCriticalSection
LeaveCriticalSection
IsProcessorFeaturePresent
UnhandledExceptionFilter
GetStartupInfoW
GetModuleHandleW
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
GetCurrentProcess
TerminateProcess
RtlUnwind
InterlockedFlushSList
EncodePointer
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
ExitProcess
GetModuleHandleExW
GetModuleFileNameW
GetStdHandle
GetFileType
FindClose
FindFirstFileExW
FindNextFileW
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
MultiByteToWideChar
WideCharToMultiByte
GetEnvironmentStringsW
FreeEnvironmentStringsW
LCMapStringW
SetFilePointerEx
GetStringTypeW
SetStdHandle
FlushFileBuffers
WriteFile
WriteConsoleW

user32

IsWindowVisible

Exports

Exports

DllRegisterServer
DllUnregisterServer
_CheckLicense@4
_DllInitialize@16
_DllUpdate@20
_Init@16
_Init@20
_InitDll@8
_InitDlls@8
_UnregisterDll@4

Sections

.text
Size: 208KB - Virtual size: 207KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 54KB - Virtual size: 53KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 6.0MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 14KB - Virtual size: 13KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
matanbuchus_20240326/launcher.bat

Sharing

General

Malware Config

Signatures

Files

Password: infected

c54312c8f26c83c247a922c8510d9a3d

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

Exports

Exports

Sections

.text Size: 208KB - Virtual size: 207KB

.rdata Size: 54KB - Virtual size: 53KB

.data Size: 3KB - Virtual size: 6.0MB

.reloc Size: 14KB - Virtual size: 13KB

.text
Size: 208KB - Virtual size: 207KB

.rdata
Size: 54KB - Virtual size: 53KB

.data
Size: 3KB - Virtual size: 6.0MB

.reloc
Size: 14KB - Virtual size: 13KB