downloader[.]exe

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General

Target

downloader.exe
Size

18KB
MD5

dd4ab8b383b3c511a2549593ff8c503d
SHA1

209d0796d977bf7b459cd4d68171a877366e54d8
SHA256

6e3d50aebe66ffc7ae810579968829196f9384b659f44dd605483e24377ec50b
SHA512

e651f70f6b70a40f63ea2fe3f5ca052b8f1d0083bac01f6c9ad2f0819166af3374a167ec353367c1d40ab3713ac673fd40b6dfe4f6fe4b482bbed68fc3415ed5
SSDEEP

192:XcIGibciyOhFSGuY4atm98Y+5d09TecTJwcj6D/9Isc2B8nGDd2assgAV2P93Q5a:XcIG4SGOimoiNfSc+D/9IN2enGm3Tp

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

51ecc026090e7c82815a21efaed5a736

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

??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@J@Z
?good@ios_base@std@@QEBA_NXZ
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAV01@AEAV01@@Z@Z
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
?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
?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
memset
__std_exception_destroy

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

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

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

malloc
_set_new_mode
free
_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
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetCurrentProcessId
QueryPerformanceCounter
IsProcessorFeaturePresent
TerminateProcess
GetCurrentProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
GetModuleHandleW
RtlLookupFunctionEntry
GetCurrentThreadId

Sections

.text
Size: 8KB - Virtual size: 7KB

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: 600B

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

51ecc026090e7c82815a21efaed5a736

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: 8KB - Virtual size: 7KB

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

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

.pdata Size: 1024B - Virtual size: 600B

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

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

.text
Size: 8KB - Virtual size: 7KB

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

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

.pdata
Size: 1024B - Virtual size: 600B

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

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