build[.]exe | Triage

Sharing

Copy URL Twitter E-mail

General

Target

build.exe
Size

114KB
MD5

96e21a5a3fb5907620b055b87918cd9f
SHA1

f2b8e9cca25dc11b5fdf92651d45183686d43507
SHA256

2b66056116fe99066291995164f935a2c9789b3a89858fa94529d6e88fb0b85d
SHA512

1c2e112446958d7104754a37179f777a1c639b3f64174ed46c33d45455620e8b67e6bcc626e62c3ce93662c293b60d7314a488ace0cfe731dd3963226ff23939
SSDEEP

3072:ttc1r2AfG9U8Lh/lVgCoNNl40Y/swht7:ttgr2ajGh/lVgjNS0csM7

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
build.exe

Files

build.exe
.exe windows:6 windows x64 arch:x64

2f2c851ada42bf9ce939603ac36a840f

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

kernel32

Process32FirstW
CloseHandle
Process32NextW
VirtualAllocEx
RtlLookupFunctionEntry
Sleep
CreateToolhelp32Snapshot
SizeofResource
WideCharToMultiByte
GetModuleHandleW
FindResourceW
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
RtlCaptureContext

advapi32

CryptAcquireContextW
CryptDecrypt
CryptSetKeyParam
CryptImportKey
CryptReleaseContext
CryptDestroyKey

msvcp140

?good@ios_base@std@@QEBA_NXZ
??6?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QEAAAEAV01@P6AAEAV01@AEAV01@@Z@Z
?uncaught_exceptions@std@@YAHXZ
?wcout@std@@3V?$basic_ostream@_WU?$char_traits@_W@std@@@1@A
?sputn@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@QEAA_JPEB_W_J@Z
?widen@?$basic_ios@_WU?$char_traits@_W@std@@@std@@QEBA_WD@Z
?put@?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QEAAAEAV12@_W@Z
?sputc@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@QEAAG_W@Z
?_Osfx@?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QEAAXXZ
?flush@?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QEAAAEAV12@XZ
??6?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QEAAAEAV01@K@Z
?setstate@?$basic_ios@_WU?$char_traits@_W@std@@@std@@QEAAXH_N@Z

vcruntime140_1

__CxxFrameHandler4

vcruntime140

__std_exception_destroy
__std_exception_copy
memset
__current_exception_context
__current_exception
__C_specific_handler
__std_terminate
memcpy
_CxxThrowException

api-ms-win-crt-string-l1-1-0

_wcsicmp

api-ms-win-crt-runtime-l1-1-0

_register_onexit_function
_crt_atexit
_initialize_onexit_table
_register_thread_local_exe_atexit_callback
__p___argv
_seh_filter_exe
_c_exit
_cexit
__p___argc
_set_app_type
_exit
exit
_initterm_e
_initterm
_get_initial_narrow_environment
_initialize_narrow_environment
_configure_narrow_argv
terminate

api-ms-win-crt-math-l1-1-0

__setusermatherr

api-ms-win-crt-stdio-l1-1-0

__p__commode
_set_fmode

api-ms-win-crt-locale-l1-1-0

_configthreadlocale

api-ms-win-crt-heap-l1-1-0

free
_set_new_mode
_callnewh
malloc

Sections

.text
Size: 10KB - Virtual size: 9KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 7KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 1024B - Virtual size: 660B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 94KB - Virtual size: 93KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 88B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

2f2c851ada42bf9ce939603ac36a840f

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

advapi32

msvcp140

vcruntime140_1

vcruntime140

api-ms-win-crt-string-l1-1-0

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-math-l1-1-0

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-locale-l1-1-0

api-ms-win-crt-heap-l1-1-0

Sections

.text Size: 10KB - Virtual size: 9KB

.rdata Size: 7KB - Virtual size: 7KB

.data Size: 512B - Virtual size: 1KB

.pdata Size: 1024B - Virtual size: 660B

.rsrc Size: 94KB - Virtual size: 93KB

.reloc Size: 512B - Virtual size: 88B

.text
Size: 10KB - Virtual size: 9KB

.rdata
Size: 7KB - Virtual size: 7KB

.data
Size: 512B - Virtual size: 1KB

.pdata
Size: 1024B - Virtual size: 660B

.rsrc
Size: 94KB - Virtual size: 93KB

.reloc
Size: 512B - Virtual size: 88B