Static task
static1
Behavioral task
behavioral1
Sample
build.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
build.exe
Resource
win10v2004-20230915-en
General
-
Target
build.exe
-
Size
1.3MB
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MD5
7d2b87d76a65372655ef9f3ee0dc641e
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SHA1
9cd216d8529a8a5fa687f8692e761ecc2f93e752
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SHA256
6a3babfcd30ab8adcb217a57c60e19c2d75729af67004737926dec0391456805
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SHA512
5d3ad7789b1045400292e47bffb04407ee9aa3422ed2868ff5c01149442f0ff6457c9fb354929ca65a5df934b469076dc66fb13faab3edb39900b60f41105441
-
SSDEEP
24576:ZOxLX958dvLzi6t9a9cRMx+6dB6kZaD3t:cFIvLzi6t9eLn6kZaD3t
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource build.exe
Files
-
build.exe.exe windows:6 windows x86
8d5160aba42ffb2e8789bc5aa4f2911e
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
RaiseException
CloseHandle
WaitForSingleObjectEx
Sleep
SwitchToThread
GetCurrentThreadId
GetExitCodeThread
GetNativeSystemInfo
InitializeSRWLock
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
TryEnterCriticalSection
DeleteCriticalSection
InitializeConditionVariable
WakeConditionVariable
WakeAllConditionVariable
SleepConditionVariableCS
SleepConditionVariableSRW
FormatMessageA
WideCharToMultiByte
MultiByteToWideChar
GetStringTypeW
InitOnceBeginInitialize
InitOnceComplete
GetLastError
FreeLibraryWhenCallbackReturns
CreateThreadpoolWork
SubmitThreadpoolWork
CloseThreadpoolWork
GetModuleHandleExW
RtlCaptureStackBackTrace
IsProcessorFeaturePresent
QueryPerformanceCounter
QueryPerformanceFrequency
SetFileInformationByHandle
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree
InitOnceExecuteOnce
CreateEventExW
CreateSemaphoreExW
FlushProcessWriteBuffers
GetCurrentProcessorNumber
GetSystemTimeAsFileTime
GetTickCount64
CreateThreadpoolTimer
SetThreadpoolTimer
WaitForThreadpoolTimerCallbacks
CloseThreadpoolTimer
CreateThreadpoolWait
SetThreadpoolWait
CloseThreadpoolWait
GetModuleHandleW
GetProcAddress
GetFileInformationByHandleEx
CreateSymbolicLinkW
LocalFree
EncodePointer
DecodePointer
LCMapStringEx
GetLocaleInfoEx
CompareStringEx
GetCPInfo
InitializeCriticalSectionAndSpinCount
SetEvent
ResetEvent
CreateEventW
GetCurrentProcessId
InitializeSListHead
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
GetCurrentProcess
TerminateProcess
CreateFileW
RtlUnwind
InterlockedPushEntrySList
InterlockedFlushSList
SetLastError
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
CreateThread
ExitThread
ResumeThread
FreeLibraryAndExitThread
GetStdHandle
WriteFile
GetModuleFileNameW
ExitProcess
GetCommandLineA
GetCommandLineW
GetCurrentThread
HeapAlloc
HeapFree
SetConsoleCtrlHandler
GetDateFormatW
GetTimeFormatW
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetFileType
GetFileSizeEx
SetFilePointerEx
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
ReadFile
ReadConsoleW
HeapReAlloc
GetTimeZoneInformation
OutputDebugStringW
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
SetStdHandle
GetProcessHeap
HeapSize
WriteConsoleW
Sections
.textbss Size: - Virtual size: 309KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.text Size: 708KB - Virtual size: 707KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 111KB - Virtual size: 111KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 13KB - Virtual size: 20KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 5KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.Ballo Size: 63KB - Virtual size: 63KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: 1024B - Virtual size: 777B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.00cfg Size: 512B - Virtual size: 270B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 24KB - Virtual size: 24KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.jimmy Size: 391KB - Virtual size: 390KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ