nullmixer | 526a9fc97b473cf866ec18a716e66bd0

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General

Target

526a9fc97b473cf866ec18a716e66bd0
Size

2.1MB
MD5

526a9fc97b473cf866ec18a716e66bd0
SHA1

17b644767e319c391133a6d8cdcad25cb0149f48
SHA256

63633c7cf0dc040490a901d44a50cf499ceb84435442ce65998d3889d23c0b2c
SHA512

c69533f441f49582623be27e1c085ecd2710835ec8ae8b1b89687243799ab77bf69b2039cfc5fd15d3bceae19f6dca99016674b6b3cca8de0ddef2077d8a2ec7
SSDEEP

24576:lmumYRYLrvHc8kXviTdwus0vx+b0Ub6F/l3juQ55313U:lmz1s0Rxl38

Score

10^/10

nullmixer

Malware Config

Extracted

Family

nullmixer

http://watira.xyz/

Signatures

Nullmixer family
nullmixer

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
526a9fc97b473cf866ec18a716e66bd0

Files

526a9fc97b473cf866ec18a716e66bd0
.exe windows:4 windows x86 arch:x86

d173f25d526d5f050813bc0d3087b139

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Imports

libcurlpp

_ZN6curlpp10OptionBaseC2E10CURLoption
_ZN6curlpp10OptionBaseD2Ev
_ZN6curlpp11UnsetOptionC1EPKc
_ZN6curlpp12RuntimeErrorD2Ev
_ZN6curlpp20libcurlRuntimeAssertEPKc8CURLcode
_ZN6curlpp4Easy7performEv
_ZN6curlpp4EasyC1Ev
_ZN6curlpp4EasyD1Ev
_ZN6curlpp7CleanupC1Ev
_ZN6curlpp7CleanupD1Ev
_ZNK6curlpp10OptionBaseltERKS0_

libcurl

curl_easy_setopt

kernel32

DeleteCriticalSection
EnterCriticalSection
FreeLibrary
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetLastError
GetModuleHandleA
GetModuleHandleW
GetProcAddress
GetStartupInfoA
GetSystemTimeAsFileTime
GetTickCount
InitializeCriticalSection
IsDBCSLeadByteEx
LeaveCriticalSection
LoadLibraryA
MultiByteToWideChar
QueryPerformanceCounter
SetUnhandledExceptionFilter
Sleep
TerminateProcess
TlsGetValue
UnhandledExceptionFilter
VirtualProtect
VirtualQuery
WideCharToMultiByte

msvcrt

___mb_cur_max_func
__doserrno
__getmainargs
__initenv
__lconv_init
__p__acmdln
__p__fmode
__pioinfo
__set_app_type
__setusermatherr
_amsg_exit
_cexit
_errno
_fdopen
_filelengthi64
_fileno
_fileno
_fstat64
_initterm
_iob
_lseeki64
_onexit
_popen
_read
_strnicmp
_write
_write
abort
atoi
calloc
exit
fclose
fflush
fgetpos
fopen
fprintf
fputc
fputs
fread
free
fsetpos
fwrite
getc
getwc
isspace
iswctype
localeconv
malloc
memchr
memcmp
memcpy
memmove
memset
putc
putwc
realloc
rename
setlocale
setvbuf
signal
sprintf
strchr
strcmp
strcoll
strerror
strftime
strlen
strncmp
strtoul
strxfrm
towlower
towupper
ungetc
ungetwc
vfprintf
wcscoll
wcsftime
wcslen
wcsxfrm

libwinpthread-1

pthread_cond_broadcast
pthread_cond_wait
pthread_getspecific
pthread_key_create
pthread_mutex_destroy
pthread_mutex_init
pthread_mutex_lock
pthread_mutex_unlock
pthread_once
pthread_setspecific

user32

FindWindowA
ShowWindow

Sections

.text
Size: 630KB - Virtual size: 629KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 7KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 40KB - Virtual size: 40KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

/4
Size: 232KB - Virtual size: 231KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 3KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 4KB - Virtual size: 3KB

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

/14
Size: 512B - Virtual size: 240B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/29
Size: 100KB - Virtual size: 99KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/41
Size: 6KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/55
Size: 21KB - Virtual size: 21KB

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: 1024B - Virtual size: 714B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/91
Size: 42KB - Virtual size: 41KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/102
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Extracted

Signatures

Files

d173f25d526d5f050813bc0d3087b139

Headers

File Characteristics

Imports

libcurlpp

libcurl

kernel32

msvcrt

libwinpthread-1

user32

Sections

.text Size: 630KB - Virtual size: 629KB

.data Size: 7KB - Virtual size: 6KB

.rdata Size: 40KB - Virtual size: 40KB

/4 Size: 232KB - Virtual size: 231KB

.bss Size: - Virtual size: 3KB

.idata Size: 4KB - Virtual size: 3KB

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

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

/14 Size: 512B - Virtual size: 240B

/29 Size: 100KB - Virtual size: 99KB

/41 Size: 6KB - Virtual size: 6KB

/55 Size: 21KB - Virtual size: 21KB

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

/80 Size: 1024B - Virtual size: 714B

/91 Size: 42KB - Virtual size: 41KB

/102 Size: 4KB - Virtual size: 4KB

.text
Size: 630KB - Virtual size: 629KB

.data
Size: 7KB - Virtual size: 6KB

.rdata
Size: 40KB - Virtual size: 40KB

/4
Size: 232KB - Virtual size: 231KB

.bss
Size: - Virtual size: 3KB

.idata
Size: 4KB - Virtual size: 3KB

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

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

/14
Size: 512B - Virtual size: 240B

/29
Size: 100KB - Virtual size: 99KB

/41
Size: 6KB - Virtual size: 6KB

/55
Size: 21KB - Virtual size: 21KB

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

/80
Size: 1024B - Virtual size: 714B

/91
Size: 42KB - Virtual size: 41KB

/102
Size: 4KB - Virtual size: 4KB