a2b58X9n[.]exe

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General

Target

a2b58X9n.exe
Size

3.2MB
MD5

4c8c98396afb9305534a58b6e801306e
SHA1

e8d0e9dc1d12b73dd613f3d2e1f2161fe7fde9cf
SHA256

ad3aea2a10807977da5c1f0530769f0c6904e39b33c0c3a4a6a33f7b4dd7f212
SHA512

27b688ea3d46580aa8c9b85f96987277b0df4952e95fb993429256d772032db7b4972e56eeae379a760e68311e11f5325d796be803b008ff1a3fe1f0fd69bf42
SSDEEP

49152:DlMWposLIqBsOUS8bmacCrkAOmN+S+RqrseNM4Yj+6LfwJKsufaxN4u:DlRF+O38b8CVOmN5S4YeJtufaL

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
a2b58X9n.exe

Files

a2b58X9n.exe
.exe windows x86

4ecfbe6e42943fae92c4582752c63b2b

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

GetCurrentThread
VirtualAlloc
GetProcAddress
LoadLibraryA
GetStdHandle
CreateFileW
CloseHandle
HeapDestroy
DeviceIoControl
Sleep
GetSystemInfo
GetTickCount
GetModuleHandleA
lstrlenW
K32EnumDeviceDrivers
K32GetDeviceDriverBaseNameW
GetCurrentProcess
GetModuleHandleW
IsProcessorFeaturePresent
SetUnhandledExceptionFilter
UnhandledExceptionFilter
IsDebuggerPresent
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
QueryPerformanceCounter
TerminateProcess

user32

GetRawInputDeviceList
GetRawInputDeviceInfoW

msvcp140

?uncaught_exception@std@@YA_NXZ
_Thrd_detach
_Cnd_do_broadcast_at_thread_exit
?_Throw_C_error@std@@YAXH@Z
?_Throw_Cpp_error@std@@YAXH@Z
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAEHD@Z
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAE_JPBD_J@Z
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QAEXH_N@Z
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEXXZ
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV01@N@Z
_Query_perf_frequency
_Query_perf_counter
?_Xlength_error@std@@YAXPBD@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV01@P6AAAV01@AAV01@@Z@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV01@P6AAAVios_base@1@AAV21@@Z@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV01@H@Z
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV12@XZ
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV12@D@Z
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QBEDD@Z

shlwapi

StrStrIW
StrStrIA

vcruntime140

__std_exception_copy
_purecall
__current_exception
__CxxFrameHandler3
_except_handler4_common
__current_exception_context
memcpy
memcmp
memmove
memset
wcsstr
__std_exception_destroy
_CxxThrowException

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

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

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

strcmp
strcpy
strcpy_s
wcscmp

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

fabs
__setusermatherr

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

_set_new_mode
_callnewh
free
malloc

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

_time64
_difftime64

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

__p__commode
_set_fmode

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

_configthreadlocale

Sections

.text
Size: 162KB - Virtual size: 161KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 2.4MB - Virtual size: 2.5MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

f4h530
Size: 571KB - Virtual size: 570KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

4ecfbe6e42943fae92c4582752c63b2b

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

msvcp140

shlwapi

vcruntime140

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

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

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

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

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

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

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

Sections

.text Size: 162KB - Virtual size: 161KB

.data Size: 2.4MB - Virtual size: 2.5MB

.idata Size: 4KB - Virtual size: 3KB

f4h530 Size: 571KB - Virtual size: 570KB

.text
Size: 162KB - Virtual size: 161KB

.data
Size: 2.4MB - Virtual size: 2.5MB

.idata
Size: 4KB - Virtual size: 3KB

f4h530
Size: 571KB - Virtual size: 570KB