build_1320[.]exe | Triage™

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General

Target
build_1320.exe
Size 1.9MB
Sample260423-rxea7ae16j
SHA256 858a20b157d66acacb205f631e062a16c1b318d9ccf2aa16c4aacedf8c8ed545
MD5 e74f8e23f12c80cd635cbd26eb5535f6
SHA1 786799ade1eacd2ce876d489a5f821ba520f100e
SHA512 c75123d9a982e62a4c1829c8d7293b4beeaed58bef75c67993341f00cc494c6caf2f051c77b9f553d101294fe31f479836535b69e2258c2a32701a5afdd33935
SSDEEP 49152:hoGheiSraGa7VHri7mitBPQnMiq8BRMLlPHE7MCr3KNZXIU6isx:hoGZiFFQN7BiB86g+sx
TLSH
T188956D43E69581FCC05EC1B887579736FA32B88D053476EB2BD04B642E26F906F1DB29
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
build_1320.exe

File Explorer

build_1320.exe

.exe 1.9MB

build_1320.exe

IMPHASH a0a005ec11df7327099e98fc94834a6c
SHA256 858a20b157d66acacb205f631e062a16c1b318d9ccf2aa16c4aacedf8c8ed545
MD5 e74f8e23f12c80cd635cbd26eb5535f6
SHA1 786799ade1eacd2ce876d489a5f821ba520f100e
SHA512 c75123d9a982e62a4c1829c8d7293b4beeaed58bef75c67993341f00cc494c6caf2f051c77b9f553d101294fe31f479836535b69e2258c2a32701a5afdd33935
SSDEEP 49152:hoGheiSraGa7VHri7mitBPQnMiq8BRMLlPHE7MCr3KNZXIU6isx:hoGZiFFQN7BiB86g+sx
TLSH
T188956D43E69581FCC05EC1B887579736FA32B88D053476EB2BD04B642E26F906F1DB29
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x64 arch:x64

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

5328

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LOCAL_SYMS_STRIPPED IMAGE_FILE_LARGE_ADDRESS_AWARE IMAGE_FILE_DEBUG_STRIPPED

PDB paths

kernel32

AddVectoredExceptionHandler CompareStringOrdinal CreateFileMappingA CreateProcessW CreateThread CreateToolhelp32Snapshot CreateWaitableTimerExW FormatMessageW FreeEnvironmentStringsW GetConsoleMode GetConsoleOutputCP GetCurrentDirectoryW GetCurrentProcess GetCurrentThread GetCurrentThreadId GetEnvironmentStringsW GetEnvironmentVariableW GetExitCodeProcess GetModuleFileNameW GetModuleHandleA GetModuleHandleW GetProcAddress GetProcessHeap GetStartupInfoA GetStdHandle GetSystemDirectoryW GetSystemTimePreciseAsFileTime GetWindowsDirectoryW HeapAlloc HeapFree HeapReAlloc InitOnceBeginInitialize InitOnceComplete MapViewOfFile Module32FirstW Module32NextW MultiByteToWideChar QueryPerformanceCounter QueryPerformanceFrequency RtlCaptureContext RtlLookupFunctionEntry RtlVirtualUnwind SetThreadStackGuarantee SetUnhandledExceptionFilter SetWaitableTimer Sleep SleepEx SwitchToThread TlsAlloc TlsFree TlsGetValue TlsSetValue UnmapViewOfFile WaitForSingleObject WriteConsoleW lstrlenW CancelIoEx CloseHandle CreateDirectoryW CreateFileW CreateIoCompletionPort DuplicateHandle FindClose FindFirstFileExW GetFileAttributesW GetFileInformationByHandle GetFileInformationByHandleEx GetFinalPathNameByHandleW GetFullPathNameW GetLastError GetOverlappedResult GetQueuedCompletionStatusEx PostQueuedCompletionStatus ReadFile ReadFileEx SetFileCompletionNotificationModes SetFileInformationByHandle SetHandleInformation SetLastError WriteFile WriteFileEx DeleteCriticalSection EnterCriticalSection InitializeCriticalSection LeaveCriticalSection RaiseException RtlUnwindEx VirtualProtect VirtualQuery __C_specific_handler

ole32

CoTaskMemFree

shell32

SHGetKnownFolderPath

api-ms-win-core-synch-l1-2-0

WaitOnAddress WakeByAddressAll WakeByAddressSingle

bcryptprimitives

ProcessPrng

ntdll

NtCancelIoFileEx NtCreateFile NtDeviceIoControlFile NtOpenFile NtReadFile NtWriteFile RtlNtStatusToDosError NtCreateNamedPipeFile

ws2_32

WSACleanup WSAGetLastError WSAIoctl WSASend WSASocketW WSAStartup bind closesocket connect freeaddrinfo getaddrinfo getpeername getsockname getsockopt ioctlsocket recv send setsockopt shutdown

advapi32

SystemFunction036

bcrypt

BCryptGenRandom

msvcrt

__getmainargs __initenv __iob_func __lconv_init __set_app_type __setusermatherr _acmdln _amsg_exit _cexit _commode _fmode _fpreset _initterm _onexit abort calloc exit fprintf free fwrite malloc memcmp memcpy memmove memset signal strlen strncmp vfprintf

Name

.text

Size

1.2MB

Virtual Size

1.2MB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.data

Size

5KB

Virtual Size

2KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rdata

Size

580KB

Virtual Size

576KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.pdata

Size

37KB

Virtual Size

37KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.xdata

Size

51KB

Virtual Size

50KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.bss

Size

Virtual Size

608B

Characteristics

IMAGE_SCN_CNT_UNINITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.idata

Size

6KB

Virtual Size

6KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.CRT

Size

512B

Virtual Size

112B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.tls

Size

512B

Virtual Size

16B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.reloc

Size

8KB

Virtual Size

8KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

build_1320.exe

kernel32

ole32

shell32

api-ms-win-core-synch-l1-2-0

bcryptprimitives

ntdll

ws2_32

advapi32

bcrypt

msvcrt

generic