downloader[.]exe

Sharing

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General

Target

downloader.exe
Size

20KB
MD5

c9b3455f8dbd6469e088689a0ecf1d64
SHA1

24d33debd561157544f11688ca5cb5ef90813e81
SHA256

b521c01055e7709c2f49908980f2f0f1537d43ac08918d97c6a10cd26f017dc0
SHA512

5a39b5bda272020acc7d6d04ab9a968d9e2ca22ac5e7caceea9197396534be7c11669239d3dd2ad15606784ff91d8c453da254b28de21b3e7275d30ce7df73e1
SSDEEP

384:DE2wpsA3Xbb0xBNMkYD4g9c9/ItdZo9n6w3Tbr:M5bb5/Ci7mnD3H

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
downloader.exe

Files

downloader.exe
.exe windows:6 windows x64 arch:x64

9277a7497ac2098cf13b19ab9c05eaca

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

msvcp140

?get@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAHXZ
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAV01@AEAV01@@Z@Z
?good@ios_base@std@@QEBA_NXZ
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@J@Z
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@D@Z
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADD@Z
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?_Xlength_error@std@@YAXPEBD@Z
?cerr@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?cin@std@@3V?$basic_istream@DU?$char_traits@D@std@@@1@A
?uncaught_exception@std@@YA_NXZ

urlmon

URLDownloadToFileW

vcruntime140_1

__CxxFrameHandler4

vcruntime140

__current_exception_context
__current_exception
_CxxThrowException
__C_specific_handler
__std_terminate
memcpy
__std_exception_copy
memchr
memcmp
memset
__std_exception_destroy

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

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

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

free
_set_new_mode
malloc
_callnewh

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

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

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 7KB - Virtual size: 6KB

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: 684B

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: 88B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

9277a7497ac2098cf13b19ab9c05eaca

Headers

DLL Characteristics

File Characteristics

Imports

msvcp140

urlmon

vcruntime140_1

vcruntime140

api-ms-win-crt-runtime-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: 10KB - Virtual size: 9KB

.rdata Size: 7KB - Virtual size: 6KB

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

.pdata Size: 1024B - Virtual size: 684B

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

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

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

.rdata
Size: 7KB - Virtual size: 6KB

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

.pdata
Size: 1024B - Virtual size: 684B

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

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