Static task
static1
Behavioral task
behavioral1
Sample
buildz.exe
Resource
win10v2004-20231215-en
General
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Target
buildz.exe
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Size
757KB
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MD5
045188bade8c7af9746904044a40a479
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SHA1
93fa651cb180f32a4ed2586b0cc8b9ed3be11e2b
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SHA256
123ff21851f3b1e11f928142fc0b48c00acab2971d7e7c0e77d936de1916922c
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SHA512
401f7667cbf1f5a5882636a5e4151f6eb336ad9ce79b40873ff928211427e9965d4f1e9e83ea5d2eb0d0204924869655eef460d2f2a0fbc2a8db5b0cd5329546
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SSDEEP
12288:F6SBJg1u6wjxTImI/xe2/9NPCkUaIZVvttchXWWg5Yb7PlvFUQLe7e+SOKLJZlr:FnOM6wxImI/Fpqai05nXRXejc7lr
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource buildz.exe
Files
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buildz.exe.exe windows:5 windows x86 arch:x86
3f4c70baa03792826e2fe054d90d8b62
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
LocalUnlock
TryEnterCriticalSection
CopyFileExW
SetEndOfFile
CreateJobObjectW
HeapFree
FreeEnvironmentStringsA
GetModuleHandleW
GetWindowsDirectoryA
GetCompressedFileSizeW
GlobalAlloc
IsProcessInJob
SetConsoleCP
DnsHostnameToComputerNameW
GetAtomNameW
GetModuleFileNameW
GetTimeZoneInformation
CompareStringW
SetConsoleTitleA
VirtualUnlock
GetLastError
GetLongPathNameW
CreateNamedPipeA
EnumDateFormatsExA
SetVolumeLabelW
GetConsoleDisplayMode
SetFileAttributesA
LoadLibraryA
OpenWaitableTimerW
GlobalFindAtomW
lstrcatW
VirtualProtect
QueryPerformanceFrequency
CreateWaitableTimerA
LocalFree
TlsFree
LCMapStringW
CompareStringA
GetLocaleInfoW
WideCharToMultiByte
TerminateProcess
GetCurrentProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
HeapReAlloc
HeapAlloc
GetStartupInfoW
RaiseException
RtlUnwind
GetProcAddress
TlsGetValue
TlsAlloc
TlsSetValue
InterlockedIncrement
SetLastError
GetCurrentThreadId
InterlockedDecrement
GetCurrentThread
DeleteCriticalSection
LeaveCriticalSection
FatalAppExitA
EnterCriticalSection
HeapCreate
HeapDestroy
VirtualFree
VirtualAlloc
Sleep
ExitProcess
WriteFile
GetStdHandle
GetModuleFileNameA
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineW
SetHandleCount
GetFileType
GetStartupInfoA
QueryPerformanceCounter
GetTickCount
GetCurrentProcessId
GetSystemTimeAsFileTime
GetCPInfo
GetACP
GetOEMCP
IsValidCodePage
InitializeCriticalSectionAndSpinCount
HeapSize
SetConsoleCtrlHandler
FreeLibrary
InterlockedExchange
GetTimeFormatA
GetDateFormatA
GetUserDefaultLCID
GetLocaleInfoA
EnumSystemLocalesA
IsValidLocale
GetStringTypeA
MultiByteToWideChar
GetStringTypeW
LCMapStringA
SetEnvironmentVariableA
user32
GetProcessDefaultLayout
GetMonitorInfoA
Sections
.text Size: 681KB - Virtual size: 680KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 17KB - Virtual size: 16KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: 512B - Virtual size: 417B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tizu Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.xak Size: 1024B - Virtual size: 577B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 52KB - Virtual size: 52KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ