Sample : b8d6b7eb1f3f10e8e829d0bafaaba182e60b7597eace99846b76773fd6779afb

Summary


OS ABI

UNIX - Linux
CPU class

32 bit
Persistence (user)

No
Persistence (root)

No
CPU byte order

2's complement LSB
File type

ELF 32-bit LSB executable, Intel 80386, version 1 (GNU/Linux), statically linked, stripped
CPU type

Intel 80386
Entropy

7.87655719335
Syscalls executed (root)

26
Syscalls executed (user)

25
ELF type

Executable file

ELF


Class

32 bit
Data encoding

2's complement LSB
Operating system ABI

UNIX - Linux
Object file type

Executable file
ELF version

0.1
Machine

Intel 80386
Link

static
Entrypoint

0xc06dd0
Number of segments

3
Number of sections

0
Program header table offset

52
Section header table offset

0
Program header table - size of entry

32
Section header table - size of entry

40
Program header table - entries

3
Section header table - entries

0
Section header table - index sections names

0
Stripped

True
Sections stripped

True
Anomalies


Segments
High entropy : PT_LOAD at offset 0x0 - 7.881539
Memory size doubles physical size : PT_LOAD at offset 0x920


Sections
Section header table offset empty : True
Number of section headers empty : True


Debug information

False

Hash


MD5

a7dbd8a978c746107c9f00f58da23541
SHA1

0b2bfea5c1037c68a047913d2c54dd66073145e2
SHA256

b8d6b7eb1f3f10e8e829d0bafaaba182e60b7597eace99846b76773fd6779afb
SHA512

f2db1157c12a8c1707f3808334af967a7d17c7ea4321a3ae98f60386084649c77a2051e57b6909d4a68425f67ed99855219308492756c4eae0b2eb099cb22ca3
ssdeep

384:M4yQpEKtpgy8AK+z3p+Ddttetxut0cOybZto5K2f0cneZFQETEax/jj8TVU+v1RX:/8D+bp+Li3cOybHuKwneZdTr/sBPX

Bytes


Entropy

7.87655719335
Min entropy (16KB blocks)

7.86871383895
Max entropy (16KB blocks)

7.86871383895
Unique bytes (0-255)

256
Null bytes

444
White spaces

1009
Printable bytes

9595
First 16B

7f 45 4c 46 01 01 01 03 00 00 00 00 00 00 00 00
Last 16B

ad 00 00 00 70 03 01 00 46 06 00 3e a0 00 00 00
Longest same bytes sequence

Byte : 0x0

Offset : 0x7a

Length : 19

Three rarest bytes

0x71 - 47 times

0xf5 - 41 times

0xe5 - 37 times

Three most common bytes

0x0 - 444 times

0x1 - 274 times

0x20 - 265 times

File type


Mime type

application/x-executable
File type

ELF 32-bit LSB executable, Intel 80386, version 1 (GNU/Linux), statically linked, stripped

VirusTotal


URL

https://www.virustotal.com/#/file/b8d6b7eb1f3f10e8e829d0bafaaba182e60b7597eace99846b76773fd6779afb
Positive

18
Total AVs

60
Scan date

2018-06-21 04:07:56
AVClass

mirai
Detection

Symantec : Linux.Mirai

McAfee : RDN/Generic BackDoor

AegisLab : Backdoor.Linux.Mirai!c

Jiangmin : Backdoor.Linux.avjd

Fortinet : ELF/Mirai.AT!tr

Ikarus : Trojan.Linux.Mirai

ESET-NOD32 : a variant of Linux/Mirai.L

DrWeb : Linux.Mirai.793

TrendMicro : TROJ_GEN.R002C0OFK18

Qihoo-360 : Win32/Backdoor.996

TrendMicro-HouseCall : TROJ_GEN.F04JC00FL18

Avira : LINUX/Mirai.ceukf

Sophos : Mal/Generic-S

ZoneAlarm : HEUR:Backdoor.Linux.Mirai.ad

NANO-Antivirus : Trojan.Elf32.Mirai.fehkiu

Cyren : ELF/Trojan.NMFE-14

Kaspersky : HEUR:Backdoor.Linux.Mirai.ad

GData : Linux.Trojan.Agent.01D0TH

Data Explore


Paths

/proc/sm

URLs

http://upx.sf.net

Code Explore


Nucleus

Number of functions : 0

Eh_frame

Sandbox (user)


Standard output

Standard error

Segmentation fault

Sandbox (root)


Standard output

Standard error

Segmentation fault

Behavior


User behavior

Errors


Segmentation fault
True

Syscalls


Unique
fcntl
setsockopt
socket
rt_sigaction
bind
mprotect
time
getppid
getpid
times
brk
connect
getsockname
close
readlink
munmap
rt_sigprocmask
execve
listen


Unique number
19

Total number
25

Instrumented libc calls


Unique
strchr


Unique number
1

Total number
1

Number of processes

1

Trace lines lost

0

Max sleep

-1.0



Root behavior

Errors


Segmentation fault
True

Syscalls


Unique
fcntl
setsockopt
bind
socket
rt_sigaction
commit_creds
mprotect
time
getppid
getpid
times
readlink
connect
getsockname
close
brk
munmap
rt_sigprocmask
execve
listen


Unique number
20

Total number
26

Instrumented libc calls


Unique
strchr


Unique number
1

Total number
1

Number of processes

1

Trace lines lost

0

Max sleep

-1.0