mainloader[.]exe

Sharing

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General

Target

mainloader.exe
Size

6.4MB
MD5

9addaf3927443dbf6251c1b19fd3c384
SHA1

f4d53f14ebf8b36525f629bf414a8d5fb960a613
SHA256

b11cc9a343a3c4d043e855ac4a2da41b9bbba4f41d254482476728b476c1453b
SHA512

1898c27b79e6a0816978649b463e2dc466793ec9e2536fa5cf95542efa2d9a9bf8e81b6a1275e6def42c080cc5f97354bd0268ba0c6f39a24238fba5f44b8b18
SSDEEP

196608:8JMbX8eWD0cbSpckZBAElEXKO692agoWPEQ:8JMlWDJbSCcaE+XKVYagJ

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
mainloader.exe

Files

mainloader.exe
.exe windows:6 windows x64

d0af41660d70ff9a74bb740440640707

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

WaitForMultipleObjects
GetVersion
LocalAlloc
LocalFree
GetModuleFileNameW
ExitProcess
LoadLibraryA
GetModuleHandleA
GetProcAddress

user32

DispatchMessageA
CharUpperBuffW

gdi32

GetDeviceCaps

advapi32

CryptDestroyHash

shell32

ShellExecuteA

imm32

ImmSetCompositionWindow

msvcp140

?setw@std@@YA?AU?$_Smanip@_J@1@_J@Z

d3d9

Direct3DCreate9

normaliz

IdnToAscii

wldap32

ord60

crypt32

CertGetCertificateChain

ws2_32

getpeername

rpcrt4

UuidCreate

psapi

GetModuleInformation

userenv

UnloadUserProfile

vcruntime140_1

__CxxFrameHandler4

vcruntime140

__std_exception_destroy

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

__stdio_common_vfprintf

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

qsort

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

strncpy

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

_set_new_mode

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

strtol

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

_resetstkoflw

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

_configthreadlocale

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

_dclass

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

_time64

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

_stat64

Sections

.text
Size: - Virtual size: 710KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: - Virtual size: 150KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: - Virtual size: 30KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.9Ax
Size: - Virtual size: 3.7MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.X9#
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.F"7
Size: 6.4MB - Virtual size: 6.4MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 212B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 469B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

d0af41660d70ff9a74bb740440640707

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

advapi32

shell32

imm32

msvcp140

d3d9

normaliz

wldap32

crypt32

ws2_32

rpcrt4

psapi

userenv

vcruntime140_1

vcruntime140

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

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

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

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

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

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

Sections

.text Size: - Virtual size: 710KB

.rdata Size: - Virtual size: 150KB

.data Size: - Virtual size: 4KB

.pdata Size: - Virtual size: 30KB

.9Ax Size: - Virtual size: 3.7MB

.X9# Size: 5KB - Virtual size: 4KB

.F"7 Size: 6.4MB - Virtual size: 6.4MB

.reloc Size: 512B - Virtual size: 212B

.rsrc Size: 512B - Virtual size: 469B

.text
Size: - Virtual size: 710KB

.rdata
Size: - Virtual size: 150KB

.data
Size: - Virtual size: 4KB

.pdata
Size: - Virtual size: 30KB

.9Ax
Size: - Virtual size: 3.7MB

.X9#
Size: 5KB - Virtual size: 4KB

.F"7
Size: 6.4MB - Virtual size: 6.4MB

.reloc
Size: 512B - Virtual size: 212B

.rsrc
Size: 512B - Virtual size: 469B