loader[.]exe | Triage

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General

Target

loader.exe
Size

12.0MB
MD5

b0b1abd7638bf58ad7116fe208a6657b
SHA1

c8add2888d59bdc2783f9a3bbb23a809e14df0a9
SHA256

c958af79592d98d3b1463d70cafdfbb3d630fd7117b477906309848c1112bd0e
SHA512

4a491ae52a22e49af51c9bf2a776ebf5e12d24e5b45ef9dd83f01fb84742e821d277e43d0259eaa2afaa4c1b0d4e4c7dd8149c62e4d79308b473b5c506adb714
SSDEEP

98304:v6TxGxyjZ1WUaEKPTBKeRWclZSo8V6DKCr6Ofz:NojZ1hKMO7nL

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

d767f5b1020c0e40eb4b2b19a33e7a01

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_LINE_NUMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

kernel32

AddVectoredContinueHandler
AddVectoredExceptionHandler
CloseHandle
CreateEventA
CreateFileA
CreateIoCompletionPort
CreateThread
CreateWaitableTimerExW
DeleteCriticalSection
DuplicateHandle
EnterCriticalSection
ExitProcess
FreeEnvironmentStringsW
GetConsoleMode
GetCurrentThreadId
GetEnvironmentStringsW
GetErrorMode
GetLastError
GetProcAddress
GetProcessAffinityMask
GetQueuedCompletionStatusEx
GetStdHandle
GetSystemDirectoryA
GetSystemInfo
GetThreadContext
InitializeCriticalSection
LeaveCriticalSection
LoadLibraryExW
LoadLibraryW
PostQueuedCompletionStatus
RaiseFailFastException
ResumeThread
RtlLookupFunctionEntry
RtlVirtualUnwind
SetConsoleCtrlHandler
SetErrorMode
SetEvent
SetProcessPriorityBoost
SetThreadContext
SetUnhandledExceptionFilter
SetWaitableTimer
Sleep
SuspendThread
SwitchToThread
TlsAlloc
TlsGetValue
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WaitForMultipleObjects
WaitForSingleObject
WerGetFlags
WerSetFlags
WriteConsoleW
WriteFile
__C_specific_handler

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

__p__environ
__p__wenviron

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

_set_new_mode
calloc
free
malloc

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

__setusermatherr

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

memcpy

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

__p___argc
__p___argv
__p___wargv
_beginthread
_cexit
_configure_narrow_argv
_configure_wide_argv
_crt_at_quick_exit
_crt_atexit
_errno
_exit
_initialize_narrow_environment
_initialize_wide_environment
_initterm
_set_app_type
_set_invalid_parameter_handler
abort
exit
signal

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

__acrt_iob_func
__p__commode
__p__fmode
__stdio_common_vfprintf
__stdio_common_vfwprintf
fwrite

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

strlen
strncmp

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

__daylight
__timezone
__tzname
_tzset

Exports

Exports

_cgo_dummy_export

Sections

.text
Size: 2.3MB - Virtual size: 2.3MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 213KB - Virtual size: 213KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 2.4MB - Virtual size: 2.4MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.pdata
Size: 56KB - Virtual size: 55KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.xdata
Size: 1024B - Virtual size: 836B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 567KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.edata
Size: 512B - Virtual size: 78B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.idata
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 96B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 43KB - Virtual size: 42KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/4
Size: 1024B - Virtual size: 560B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/19
Size: 1.7MB - Virtual size: 1.7MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/31
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/45
Size: 792KB - Virtual size: 792KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/57
Size: 279KB - Virtual size: 278KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/70
Size: 512B - Virtual size: 247B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/81
Size: 2.9MB - Virtual size: 2.9MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/92
Size: 869KB - Virtual size: 869KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/106
Size: 512B - Virtual size: 48B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/125
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/141
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/157
Size: 512B - Virtual size: 49B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

d767f5b1020c0e40eb4b2b19a33e7a01

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

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

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

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

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

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

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

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

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

Exports

Exports

Sections

.text Size: 2.3MB - Virtual size: 2.3MB

.data Size: 213KB - Virtual size: 213KB

.rdata Size: 2.4MB - Virtual size: 2.4MB

.pdata Size: 56KB - Virtual size: 55KB

.xdata Size: 1024B - Virtual size: 836B

.bss Size: - Virtual size: 567KB

.edata Size: 512B - Virtual size: 78B

.idata Size: 4KB - Virtual size: 4KB

.CRT Size: 512B - Virtual size: 96B

.tls Size: 512B - Virtual size: 16B

.reloc Size: 43KB - Virtual size: 42KB

/4 Size: 1024B - Virtual size: 560B

/19 Size: 1.7MB - Virtual size: 1.7MB

/31 Size: 3KB - Virtual size: 3KB

/45 Size: 792KB - Virtual size: 792KB

/57 Size: 279KB - Virtual size: 278KB

/70 Size: 512B - Virtual size: 247B

/81 Size: 2.9MB - Virtual size: 2.9MB

/92 Size: 869KB - Virtual size: 869KB

/106 Size: 512B - Virtual size: 48B

/125 Size: 2KB - Virtual size: 2KB

/141 Size: 1KB - Virtual size: 1KB

/157 Size: 512B - Virtual size: 49B

.text
Size: 2.3MB - Virtual size: 2.3MB

.data
Size: 213KB - Virtual size: 213KB

.rdata
Size: 2.4MB - Virtual size: 2.4MB

.pdata
Size: 56KB - Virtual size: 55KB

.xdata
Size: 1024B - Virtual size: 836B

.bss
Size: - Virtual size: 567KB

.edata
Size: 512B - Virtual size: 78B

.idata
Size: 4KB - Virtual size: 4KB

.CRT
Size: 512B - Virtual size: 96B

.tls
Size: 512B - Virtual size: 16B

.reloc
Size: 43KB - Virtual size: 42KB

/4
Size: 1024B - Virtual size: 560B

/19
Size: 1.7MB - Virtual size: 1.7MB

/31
Size: 3KB - Virtual size: 3KB

/45
Size: 792KB - Virtual size: 792KB

/57
Size: 279KB - Virtual size: 278KB

/70
Size: 512B - Virtual size: 247B

/81
Size: 2.9MB - Virtual size: 2.9MB

/92
Size: 869KB - Virtual size: 869KB

/106
Size: 512B - Virtual size: 48B

/125
Size: 2KB - Virtual size: 2KB

/141
Size: 1KB - Virtual size: 1KB

/157
Size: 512B - Virtual size: 49B