Static task
static1
Behavioral task
behavioral1
Sample
buildz.exe
Resource
win10v2004-20231215-en
General
-
Target
buildz.exe
-
Size
747KB
-
MD5
74b2cc3273b5d6233cf940e5078ddbd0
-
SHA1
726fd3b73d3de45aa06387af2fafe109a921c78b
-
SHA256
061e7f2ae2becb661e2fa99438de425e46980021c1a053be35b19a86d796d548
-
SHA512
10936f03b4f112220915ae0ba380077a821b9df0a3a3dd84f11f4386ce21cda99f4ef3e477f4cf44883fa1ef2e4d27291d0180b2c84a1a1c924f2c345b3e744b
-
SSDEEP
12288:V7YUK2iHG9/lcFuHj+F7Px13EgODn8DZUU2FHOheeiOnD2wFq2uXubjVCst6tfUY:BbJ9cWM7DR7DZUUsOheWnKqq2u+9t6X
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource buildz.exe
Files
-
buildz.exe.exe windows:5 windows x86 arch:x86
29e9a83cf46d069e3c96a002bdc0c7b5
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
LocalUnlock
OpenFile
TryEnterCriticalSection
GetConsoleAliasesLengthW
CopyFileExW
SetEndOfFile
FreeLibrary
CreateJobObjectW
FreeEnvironmentStringsA
CreateNamedPipeW
GetWindowsDirectoryA
GetConsoleCP
GlobalAlloc
IsProcessInJob
WriteConsoleOutputA
InitAtomTable
LeaveCriticalSection
GetTimeFormatW
GetAtomNameW
GetCompressedFileSizeA
GetTimeZoneInformation
SetConsoleTitleA
VirtualUnlock
GetLastError
GetLongPathNameW
HeapSize
EnumDateFormatsExA
SetVolumeLabelW
GetConsoleDisplayMode
SetFileAttributesA
BuildCommDCBW
OpenWaitableTimerA
LoadLibraryA
OpenWaitableTimerW
DnsHostnameToComputerNameA
GlobalFindAtomW
GetModuleFileNameA
GetModuleHandleA
lstrcatW
VirtualProtect
CompareStringA
QueryPerformanceFrequency
LocalFree
LCMapStringW
CompareStringW
LCMapStringA
GetStringTypeW
HeapReAlloc
HeapAlloc
GetStartupInfoW
TerminateProcess
GetCurrentProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
DeleteCriticalSection
FatalAppExitA
EnterCriticalSection
HeapCreate
HeapDestroy
VirtualFree
HeapFree
VirtualAlloc
GetModuleHandleW
Sleep
GetProcAddress
ExitProcess
WriteFile
GetStdHandle
GetModuleFileNameW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineW
SetHandleCount
GetFileType
GetStartupInfoA
TlsGetValue
TlsAlloc
TlsSetValue
TlsFree
InterlockedIncrement
SetLastError
GetCurrentThreadId
InterlockedDecrement
GetCurrentThread
QueryPerformanceCounter
GetTickCount
GetCurrentProcessId
GetSystemTimeAsFileTime
InitializeCriticalSectionAndSpinCount
RtlUnwind
SetConsoleCtrlHandler
InterlockedExchange
GetCPInfo
GetACP
GetOEMCP
IsValidCodePage
GetLocaleInfoW
GetLocaleInfoA
WideCharToMultiByte
GetTimeFormatA
GetDateFormatA
GetUserDefaultLCID
EnumSystemLocalesA
IsValidLocale
GetStringTypeA
MultiByteToWideChar
SetEnvironmentVariableA
user32
GetDesktopWindow
GetMonitorInfoA
Sections
.text Size: 648KB - Virtual size: 647KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 12KB - Virtual size: 11KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 7KB - Virtual size: 14KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rixasa Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.gefadas Size: 1024B - Virtual size: 577B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 77KB - Virtual size: 76KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ