FileDropper[.]exe

Sharing

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General

Target

FileDropper.exe
Size

21KB
MD5

5e638bd534b962e2b963ce4830956eb5
SHA1

403facaf7e2b533b11166ed3cdd581dc1c71a97e
SHA256

f221c7ea90a7dd995cf23f3b358e6a1a34704fba9bebe296b454118e62c2f0ed
SHA512

93729b2df23af699a4fec8d7a655be0e86e46c83b46c7438bf9dc823907f49d414024a0c15f1933f62d45613dfa33dfb1002cb864fc6a8176e49e98ef287b0e6
SSDEEP

384:o5w8ljGSvxUSYfvA+XC3j9vGQQaiJ3jelm6:n383j9+faU36F

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
FileDropper.exe

Files

FileDropper.exe
.exe windows:6 windows x64 arch:x64

a9d4bc1c6e1d0d5a60721a087eb7a171

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

PDB Paths

C:\Users\zanzu\source\repos\FileDropper\x64\Release\FileDropper.pdb

Imports

kernel32

GetLastError
CloseHandle
GetConsoleWindow
GetTempPathA
CreateDirectoryA
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
WaitForSingleObject
CreateProcessA
GetCurrentProcess
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetModuleHandleW
RtlCaptureContext

user32

ShowWindow

advapi32

GetTokenInformation
OpenProcessToken

shell32

ShellExecuteExA

msvcp140

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

shlwapi

PathCombineA

urlmon

URLDownloadToFileA

vcruntime140_1

__CxxFrameHandler4

vcruntime140

__std_exception_copy
memmove
memcpy
_CxxThrowException
memset
__current_exception_context
__current_exception
__std_terminate
__std_exception_destroy
__C_specific_handler

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

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

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

malloc
free
_set_new_mode
_callnewh

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

__setusermatherr

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

_set_fmode
__p__commode

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

_configthreadlocale

Sections

.text
Size: 9KB - Virtual size: 8KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 8KB - Virtual size: 8KB

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: 648B

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

a9d4bc1c6e1d0d5a60721a087eb7a171

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

advapi32

shell32

msvcp140

shlwapi

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

Sections

.text Size: 9KB - Virtual size: 8KB

.rdata Size: 8KB - Virtual size: 8KB

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

.pdata Size: 1024B - Virtual size: 648B

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

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

.text
Size: 9KB - Virtual size: 8KB

.rdata
Size: 8KB - Virtual size: 8KB

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

.pdata
Size: 1024B - Virtual size: 648B

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

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