last3e[.]exe | Triage

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General

Target

last3e.exe
Size

134KB
MD5

6e9a336fbc15e0630319ee7625c841f2
SHA1

a84e616e879f12517ac487d9a8e9e11ba64253bb
SHA256

26ee77c30290195cdd76cd678757d9d41e8e56dda8588c93aab056a0d766f7e9
SHA512

30e461c4a04c1382f8b6f0b27606b25a3a15a9f95d20ea2fb90389ba2be214ec01596d104664cb8c85ee2987f980d3cff5ac4cd9d8ad5a6ec321ca9267550804
SSDEEP

3072:eFjC66DHr+gWEFWyZem6LDIzH/BOc62mS42/E4Ii9s2mCUO9V3bd/Ivlx1q9:eZC6gHatyH6ikp2mS42V9ZsOnrd/Ilq

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
last3e.exe

Files

last3e.exe
.exe windows:6 windows x64 arch:x64

a42bba37317f0c16f6dd56155a629bfe

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

libcrypto-3-x64

SHA256

msvcp140

?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADD@Z
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@D@Z
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAV01@AEAV01@@Z@Z
?good@ios_base@std@@QEBA_NXZ
?_Throw_Cpp_error@std@@YAXH@Z
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?uncaught_exception@std@@YA_NXZ
?_Xout_of_range@std@@YAXPEBD@Z
?_Random_device@std@@YAIXZ
?_Xlength_error@std@@YAXPEBD@Z
_Mtx_destroy_in_situ
_Mtx_lock
_Mtx_init_in_situ
_Mtx_unlock
_Thrd_join
_Thrd_id
_Cnd_do_broadcast_at_thread_exit

vcruntime140_1

__CxxFrameHandler4

vcruntime140

memset
memmove
_CxxThrowException
__current_exception_context
__current_exception
__std_terminate
__std_exception_copy
__std_exception_destroy
memcpy
__C_specific_handler
memcmp

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

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

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

atoi

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

malloc
_callnewh
free
_set_new_mode

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

kernel32

GetCurrentThreadId
InitializeSListHead
GetSystemTimeAsFileTime
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetModuleHandleW
QueryPerformanceCounter
GetCurrentProcessId

Sections

.text
Size: 79KB - Virtual size: 79KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 51KB - Virtual size: 50KB

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: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 480B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 108B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

a42bba37317f0c16f6dd56155a629bfe

Headers

DLL Characteristics

File Characteristics

Imports

libcrypto-3-x64

msvcp140

vcruntime140_1

vcruntime140

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

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

api-ms-win-crt-heap-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

kernel32

Sections

.text Size: 79KB - Virtual size: 79KB

.rdata Size: 51KB - Virtual size: 50KB

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

.pdata Size: 1KB - Virtual size: 1KB

.rsrc Size: 512B - Virtual size: 480B

.reloc Size: 512B - Virtual size: 108B

.text
Size: 79KB - Virtual size: 79KB

.rdata
Size: 51KB - Virtual size: 50KB

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

.pdata
Size: 1KB - Virtual size: 1KB

.rsrc
Size: 512B - Virtual size: 480B

.reloc
Size: 512B - Virtual size: 108B