icexloader | Opus[.]exe

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General

Target

Opus.exe
Size

348KB
MD5

96bdd68cfa84ba3d7390b4e172837370
SHA1

f3f5908c8138881e04db463a78172ca510073788
SHA256

0911819d0e050ddc5884ea40b4b39a716a7ef8de0179d0dfded9f043546cede9
SHA512

17775d7dbf6776620f59a0a2f4ea2753a4ddf39a9b05e7f2d28dae2e48a809c8aa30382d5fdddff70c76d948f6a1991a1585271e3b820576feb18825b178f4b0
SSDEEP

6144:cbslI7IBoZ1jMYORbxV9b+WvHfyVQhAyPl//2:cbvII1MtD+WffyVQhAyPl//2

Score

10^/10

icexloader

Malware Config

Extracted

Family

icexloader

http://stealthelite.one/magnumopus/Script.php

Signatures

Detects IceXLoader v3.0 1 IoCs

Processes:

resource yara_rule

sample family_icexloader_v3
Icexloader family
icexloader

resource	yara_rule
sample	family_icexloader_v3

Files

Opus.exe
.exe windows x86

ddb8da8ce9f6d7c99471e82a46c98901

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

DeleteCriticalSection
EnterCriticalSection
FreeLibrary
GetLastError
GetModuleHandleA
GetModuleHandleW
GetProcAddress
GetStartupInfoA
InitializeCriticalSection
IsDBCSLeadByteEx
LeaveCriticalSection
LoadLibraryA
MultiByteToWideChar
SetUnhandledExceptionFilter
Sleep
TlsGetValue
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WideCharToMultiByte

msvcrt

__getmainargs
__initenv
__lconv_init
__mb_cur_max
__p__acmdln
__p__commode
__p__fmode
__set_app_type
__setusermatherr
_amsg_exit
_cexit
_errno
_fileno
_initterm
_iob
_lock
_onexit
_setjmp3
_setmode
_unlock
_wfopen
abort
atoi
calloc
exit
fclose
fflush
fprintf
fputc
free
fwrite
getenv
localeconv
longjmp
malloc
memchr
memcmp
memcpy
memset
setlocale
setvbuf
signal
strchr
strerror
strlen
strncmp
strstr
vfprintf
wcslen

user32

MessageBoxA

Sections

.text
Size: 138KB - Virtual size: 138KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 244B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 30KB - Virtual size: 30KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

/4
Size: 26KB - Virtual size: 26KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 47KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 52B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 8B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1024B - Virtual size: 548B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 10KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/14
Size: 512B - Virtual size: 216B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/29
Size: 9KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/41
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/55
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/67
Size: 512B - Virtual size: 56B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/80
Size: 512B - Virtual size: 117B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/91
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/107
Size: 512B - Virtual size: 112B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Extracted

Signatures

Files

ddb8da8ce9f6d7c99471e82a46c98901

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

msvcrt

user32

Sections

.text Size: 138KB - Virtual size: 138KB

.data Size: 512B - Virtual size: 244B

.rdata Size: 30KB - Virtual size: 30KB

/4 Size: 26KB - Virtual size: 26KB

.bss Size: - Virtual size: 47KB

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

.CRT Size: 512B - Virtual size: 52B

.tls Size: 512B - Virtual size: 8B

.rsrc Size: 1024B - Virtual size: 548B

.reloc Size: 10KB - Virtual size: 9KB

/14 Size: 512B - Virtual size: 216B

/29 Size: 9KB - Virtual size: 8KB

/41 Size: 1KB - Virtual size: 1KB

/55 Size: 2KB - Virtual size: 2KB

/67 Size: 512B - Virtual size: 56B

/80 Size: 512B - Virtual size: 117B

/91 Size: 4KB - Virtual size: 3KB

/107 Size: 512B - Virtual size: 112B

.text
Size: 138KB - Virtual size: 138KB

.data
Size: 512B - Virtual size: 244B

.rdata
Size: 30KB - Virtual size: 30KB

/4
Size: 26KB - Virtual size: 26KB

.bss
Size: - Virtual size: 47KB

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

.CRT
Size: 512B - Virtual size: 52B

.tls
Size: 512B - Virtual size: 8B

.rsrc
Size: 1024B - Virtual size: 548B

.reloc
Size: 10KB - Virtual size: 9KB

/14
Size: 512B - Virtual size: 216B

/29
Size: 9KB - Virtual size: 8KB

/41
Size: 1KB - Virtual size: 1KB

/55
Size: 2KB - Virtual size: 2KB

/67
Size: 512B - Virtual size: 56B

/80
Size: 512B - Virtual size: 117B

/91
Size: 4KB - Virtual size: 3KB

/107
Size: 512B - Virtual size: 112B