buildz[.]exe | Triage

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General

Target

buildz.exe
Size

709KB
MD5

b7cb7f2b5cd9bd047710650295dc88f7
SHA1

3740ba8e89055cb0f5068ec9176b05c77432e799
SHA256

e01c0429a58b33013305aab35ef863cd2b88962e479e39566a687ca37c68510f
SHA512

e6bd45366d067dcc6cdcdc4d917c4e819942caccf22b64a1b1cf45199cdbf58defa0773a8d6a76c0672db2824a724018253efb0db1a0baf0c2f105d07758b471
SSDEEP

12288:9CwgCcyMy1Nncixi2NWXCAcrIQBjljKsFKfFDKZNF:9cCp9KGiAAcUwjljKAK8ZNF

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs
Checks for missing Authenticode signature.

Processes:

resource

buildz.exe

resource
buildz.exe

Files

buildz.exe
.exe windows:5 windows x86 arch:x86

8476d457b634f13fb056aaafe72c2253

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

OpenJobObjectA
InterlockedDecrement
ZombifyActCtx
FreeEnvironmentStringsA
GetModuleHandleW
GetConsoleAliasesA
LoadLibraryW
SetVolumeMountPointA
WriteConsoleW
GetAtomNameW
SetUnhandledExceptionFilter
GetProcAddress
LoadLibraryA
OpenWaitableTimerW
LocalAlloc
GetCommMask
EnumDateFormatsA
CreateWaitableTimerW
lstrcatW
FindFirstVolumeW
AreFileApisANSI
SetLastError
GetNumaProcessorNode
GetLastError
HeapFree
GetStartupInfoW
TerminateProcess
GetCurrentProcess
UnhandledExceptionFilter
IsDebuggerPresent
HeapCreate
VirtualFree
DeleteCriticalSection
LeaveCriticalSection
EnterCriticalSection
HeapAlloc
VirtualAlloc
HeapReAlloc
Sleep
ExitProcess
WriteFile
GetStdHandle
GetModuleFileNameA
GetModuleFileNameW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineW
SetHandleCount
GetFileType
GetStartupInfoA
TlsGetValue
TlsAlloc
TlsSetValue
TlsFree
InterlockedIncrement
GetCurrentThreadId
QueryPerformanceCounter
GetTickCount
GetCurrentProcessId
GetSystemTimeAsFileTime
SetFilePointer
WideCharToMultiByte
GetConsoleCP
GetConsoleMode
GetCPInfo
GetACP
GetOEMCP
IsValidCodePage
InitializeCriticalSectionAndSpinCount
RtlUnwind
MultiByteToWideChar
SetStdHandle
WriteConsoleA
GetConsoleOutputCP
LCMapStringA
LCMapStringW
GetStringTypeA
GetStringTypeW
GetLocaleInfoA
FlushFileBuffers
ReadFile
HeapSize
CreateFileA
CloseHandle

advapi32

ReadEventLogA

Sections

.text
Size: 628KB - Virtual size: 627KB

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: 7KB - Virtual size: 565KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.yar
Size: 512B - Virtual size: 12B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.befajam
Size: 1024B - Virtual size: 1024B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 63KB - Virtual size: 62KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

8476d457b634f13fb056aaafe72c2253

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

advapi32

Sections

.text Size: 628KB - Virtual size: 627KB

.rdata Size: 8KB - Virtual size: 8KB

.data Size: 7KB - Virtual size: 565KB

.yar Size: 512B - Virtual size: 12B

.befajam Size: 1024B - Virtual size: 1024B

.rsrc Size: 63KB - Virtual size: 62KB

.text
Size: 628KB - Virtual size: 627KB

.rdata
Size: 8KB - Virtual size: 8KB

.data
Size: 7KB - Virtual size: 565KB

.yar
Size: 512B - Virtual size: 12B

.befajam
Size: 1024B - Virtual size: 1024B

.rsrc
Size: 63KB - Virtual size: 62KB