Loader[.]exe | Triage

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General

Target

Loader.exe
Size

43KB
MD5

ca6c805337fe82b471bda644e34e590b
SHA1

8ecd3d968cf52f9e580fc7695da1b05c60587e30
SHA256

a66cc92d48fc97401c60c6a52124b911c7a51e4af407cc65166db5f9cfa1f3ff
SHA512

942abc43238c0f38c1ed98d87ac3d704f835dbdee92949dd622a8b1fb1de23f4e6c02049e3900b1038e9f71e1862cdfac7a493bbfddecda62bf4213769efba6d
SSDEEP

768:Jx1kfov1KIgjcoZ/FHNRrMqP/7zNUrLfRqYL42ppVPSww:Jgfov1KIgrFzyAa5puww

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Loader.exe

Files

Loader.exe
.exe windows:6 windows x64 arch:x64

a5eef13597ca80b1255236eb6530cf47

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

kernel32

GetModuleHandleA
OpenProcess
CreateToolhelp32Snapshot
Sleep
GetLastError
Process32Next
CloseHandle
WaitForSingleObject
VirtualAllocEx
LocalFree
DeleteCriticalSection
GetModuleHandleW
CreateRemoteThread
FormatMessageA
InitializeCriticalSectionEx
WriteProcessMemory
GetProcAddress
Process32First
CreateFileW
FindClose
FindFirstFileW
FindFirstFileExW
FindNextFileW
GetFileAttributesExW
AreFileApisANSI
GetFileInformationByHandleEx
MultiByteToWideChar
WideCharToMultiByte
IsDebuggerPresent
OutputDebugStringW
RtlCaptureContext
RtlLookupFunctionEntry
GetLocaleInfoEx
RtlVirtualUnwind
InitializeSListHead
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime

msvcp140

??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAV01@AEAV01@@Z@Z
?uncaught_exceptions@std@@YAHXZ
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?cin@std@@3V?$basic_istream@DU?$char_traits@D@std@@@1@A
?_Xout_of_range@std@@YAXPEBD@Z
?_Winerror_map@std@@YAHH@Z
?_Xlength_error@std@@YAXPEBD@Z
?_Syserror_map@std@@YAPEBDH@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
?get@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAHXZ
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@D@Z
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ

vcruntime140_1

__CxxFrameHandler4

vcruntime140

__std_exception_copy
__std_terminate
memmove
memcpy
__C_specific_handler
_CxxThrowException
__current_exception
__std_exception_destroy
memset
__current_exception_context

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

malloc
_callnewh
free
_set_new_mode

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

_stricmp

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

exit
_initterm_e
_initterm
_get_initial_wide_environment
_c_exit
_configure_wide_argv
_exit
_set_app_type
__p___wargv
_cexit
_crt_atexit
_register_onexit_function
_initialize_onexit_table
_register_thread_local_exe_atexit_callback
__p___argc
terminate
_initialize_wide_environment
_invalid_parameter_noinfo_noreturn
_seh_filter_exe

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

___lc_codepage_func
_configthreadlocale

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

__setusermatherr

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

__p__commode
_set_fmode

Sections

.text
Size: 25KB - Virtual size: 25KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 13KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1024B - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 2KB - 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: 176B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

a5eef13597ca80b1255236eb6530cf47

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

msvcp140

vcruntime140_1

vcruntime140

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

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

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

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

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

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

Sections

.text Size: 25KB - Virtual size: 25KB

.rdata Size: 13KB - Virtual size: 12KB

.data Size: 1024B - Virtual size: 2KB

.pdata Size: 2KB - Virtual size: 1KB

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

.reloc Size: 512B - Virtual size: 176B

.text
Size: 25KB - Virtual size: 25KB

.rdata
Size: 13KB - Virtual size: 12KB

.data
Size: 1024B - Virtual size: 2KB

.pdata
Size: 2KB - Virtual size: 1KB

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

.reloc
Size: 512B - Virtual size: 176B