Static task
static1
Behavioral task
behavioral1
Sample
BuildTools.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
BuildTools.exe
Resource
win10v2004-20240221-en
General
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Target
BuildTools.exe
-
Size
3.6MB
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MD5
498b8eff61520d11a65acbc2ac174bd9
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SHA1
3c6a359d2d4a8d717c3b07591b50f080d468dbcc
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SHA256
7f49de637175d128cf9bcb97e27b61b127de4f891858ce15b941f9ea00711f82
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SHA512
e4d35de0c1e6b04b29c659c930bb70599aa2b51c86297ae1ff810a8eb83c08495d2226e512dc7eb2f31d148807969191e62319ae9e94cd739f965f369a418340
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SSDEEP
49152:0CAXJ7tAMOun4UruqquJeEjAWG/ZinOPZ33jomN/kbqe3aisXJqnT1gtjO/I7KzV:EZ8K4UrIu4E8v/WCsFqZ4DzV
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource BuildTools.exe
Files
-
BuildTools.exe.exe windows:4 windows x86 arch:x86
1f2702872592229d2f4cb1162cfbc55b
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Imports
advapi32
RegCloseKey
RegEnumKeyExA
RegOpenKeyExA
RegQueryValueExA
kernel32
CloseHandle
CreateMutexA
CreatePipe
CreateProcessA
DeleteCriticalSection
EnterCriticalSection
ExitProcess
FindResourceExA
FormatMessageA
GetCommandLineA
GetCurrentDirectoryA
GetCurrentProcess
GetEnvironmentVariableA
GetExitCodeProcess
GetLastError
GetModuleFileNameA
GetModuleHandleA
GetProcAddress
GetStartupInfoA
GlobalMemoryStatusEx
InitializeCriticalSection
InterlockedExchange
IsDBCSLeadByteEx
LeaveCriticalSection
LoadResource
LocalFree
LockResource
MultiByteToWideChar
ReadFile
SetEnvironmentVariableA
SetHandleInformation
SetLastError
SetUnhandledExceptionFilter
Sleep
TlsGetValue
VirtualProtect
VirtualQuery
WaitForSingleObject
WideCharToMultiByte
msvcrt
_strdup
_stricoll
__getmainargs
__mb_cur_max
__p__environ
__p__fmode
__set_app_type
_cexit
_chdir
_close
_errno
_findclose
_findfirst
_findnext
_fullpath
_iob
_itoa
_onexit
_open
_read
_setmode
_stat64
_stricmp
abort
atexit
atoi
calloc
fclose
fopen
fprintf
fputc
fputs
free
fwrite
getenv
isspace
localeconv
malloc
mbstowcs
memcpy
printf
puts
realloc
setlocale
signal
strcat
strchr
strcmp
strcoll
strcpy
strlen
strncat
strncpy
strpbrk
strrchr
strstr
strtok
tolower
vfprintf
wcslen
wcstombs
shell32
ShellExecuteA
user32
CreateWindowExA
DispatchMessageA
EnumWindows
FindWindowExA
GetMessageA
GetSystemMetrics
GetWindowLongA
GetWindowRect
GetWindowTextA
GetWindowThreadProcessId
KillTimer
LoadImageA
MessageBoxA
PostQuitMessage
SendMessageA
SetForegroundWindow
SetTimer
SetWindowPos
ShowWindow
TranslateMessage
UpdateWindow
Sections
.text Size: 43KB - Virtual size: 42KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 40B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.eh_fram Size: 7KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.bss Size: - Virtual size: 37KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.CRT Size: 512B - Virtual size: 24B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: 512B - Virtual size: 32B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 278KB - Virtual size: 277KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE